./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2764072892 <...> esumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6312] munmap(0x7fa6be400000, 138412032) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6313] <... prctl resumed>) = 0 [pid 6313] setpgid(0, 0 [pid 5833] getdents64(4, [pid 6313] <... setpgid resumed>) = 0 [pid 6313] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6314 attached [pid 6314] set_robust_list(0x555567654760, 24 [pid 6313] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 6312] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6314] <... set_robust_list resumed>) = 0 [pid 6312] <... openat resumed>) = 4 [pid 6311] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6314 [pid 5833] close(4) = 0 [pid 6314] chdir("./91" [pid 6311] sync( [pid 5833] rmdir("./88/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6314] <... chdir resumed>) = 0 [pid 6313] write(3, "1000", 4 [pid 6312] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... rmdir resumed>) = 0 [pid 6314] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6313] <... write resumed>) = 4 [pid 6311] <... sync resumed>) = 0 [pid 5833] umount2("./88/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6314] setpgid(0, 0) = 0 [pid 6311] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./88/binderfs", [pid 6314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6311] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./88/binderfs" [pid 6311] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [pid 6314] <... openat resumed>) = 3 [pid 5833] getdents64(3, [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6311, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6314] write(3, "1000", 4 [pid 6313] close(3 [pid 5833] close(3) = 0 [pid 6313] <... close resumed>) = 0 [pid 5833] rmdir("./88" [pid 6313] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... rmdir resumed>) = 0 [pid 6313] <... symlink resumed>) = 0 [pid 5833] mkdir("./89", 0777) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6313] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 3 [pid 6313] <... write resumed>) = 18 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6313] memfd_create("syzkaller", 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6314] <... write resumed>) = 4 [pid 6313] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6315 attached [pid 6314] close(3 [pid 5830] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6314] <... close resumed>) = 0 [pid 6314] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6315] set_robust_list(0x555567654760, 24 [pid 6314] <... symlink resumed>) = 0 [pid 6313] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6312] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 executing program [pid 6315] <... set_robust_list resumed>) = 0 [pid 6313] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] newfstatat(3, "", [pid 6315] chdir("./89" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6314] write(1, "executing program\n", 18 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6315 [pid 5830] getdents64(3, [pid 6314] <... write resumed>) = 18 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6314] memfd_create("syzkaller", 0 [pid 6312] close(3) = 0 [pid 6312] close(4) = 0 [pid 6312] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6315] <... chdir resumed>) = 0 [pid 6312] <... mkdir resumed>) = 0 [pid 5830] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6314] <... memfd_create resumed>) = 3 [pid 6314] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6313] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6312] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6314] <... mmap resumed>) = 0x7fa6be400000 [ 134.562190][ T6312] loop0: detected capacity change from 0 to 1024 [pid 6313] <... write resumed>) = 524288 [pid 6314] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6315] <... prctl resumed>) = 0 [pid 6315] setpgid(0, 0 [pid 6312] <... mount resumed>) = 0 [pid 6312] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6312] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6312] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6312] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6315] <... setpgid resumed>) = 0 [pid 6315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6312] <... mknod resumed>) = 0 [pid 6315] <... openat resumed>) = 3 [pid 6315] write(3, "1000", 4) = 4 [pid 6315] close(3) = 0 [pid 6315] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6312] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = 0 executing program [pid 6315] write(1, "executing program\n", 18 [pid 5830] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6315] <... write resumed>) = 18 [pid 6313] munmap(0x7fa6be400000, 138412032 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6315] memfd_create("syzkaller", 0 [pid 5830] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6313] <... munmap resumed>) = 0 [pid 6313] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6315] <... memfd_create resumed>) = 3 [pid 6313] <... openat resumed>) = 4 [pid 5830] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6315] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6313] ioctl(4, LOOP_SET_FD, 3 [pid 6312] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6315] <... mmap resumed>) = 0x7fa6be400000 [pid 6314] <... write resumed>) = 524288 [pid 6312] sync( [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6314] munmap(0x7fa6be400000, 138412032 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6314] <... munmap resumed>) = 0 [pid 5830] getdents64(4, [pid 6315] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6314] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6313] <... ioctl resumed>) = 0 [pid 6314] ioctl(4, LOOP_SET_FD, 3 [pid 6312] <... sync resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] close(3 [pid 6312] exit_group(0 [pid 6313] <... close resumed>) = 0 [pid 6312] <... exit_group resumed>) = ? [pid 6314] <... ioctl resumed>) = 0 [pid 6313] close(4 [pid 6312] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] <... close resumed>) = 0 [pid 6313] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6312, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6313] <... mkdir resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6315] <... write resumed>) = 524288 [pid 5830] newfstatat(AT_FDCWD, "./93/binderfs", [pid 5829] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 5830] unlink("./93/binderfs" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6313] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... unlink resumed>) = 0 [pid 6315] munmap(0x7fa6be400000, 138412032 [pid 5829] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6315] <... munmap resumed>) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6315] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6315] <... openat resumed>) = 4 [pid 6314] close(3 [pid 5830] rmdir("./93" [pid 6315] ioctl(4, LOOP_SET_FD, 3 [pid 6314] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6314] close(4) = 0 [pid 6314] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] mkdir("./94", 0777 [pid 5829] <... umount2 resumed>) = 0 [ 134.662365][ T6313] loop2: detected capacity change from 0 to 1024 [ 134.699932][ T6314] loop3: detected capacity change from 0 to 1024 [pid 6314] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6313] <... mount resumed>) = 0 [pid 6313] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6314] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6313] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6313] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] <... chdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... ioctl resumed>) = 0 [pid 6313] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6316 attached [pid 6313] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6313] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6316] set_robust_list(0x555567654760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6316 [pid 5829] <... openat resumed>) = 4 [pid 6316] <... set_robust_list resumed>) = 0 [pid 6315] <... ioctl resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6316] chdir("./94" [pid 6315] close(3) = 0 [pid 5829] getdents64(4, [pid 6315] close(4 [pid 6313] <... mknod resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6316] <... chdir resumed>) = 0 [pid 6316] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6313] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] getdents64(4, [pid 6316] <... prctl resumed>) = 0 [pid 6315] <... close resumed>) = 0 [pid 6314] <... mount resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6316] setpgid(0, 0 [pid 5829] close(4 [pid 6316] <... setpgid resumed>) = 0 [pid 6315] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6314] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6315] <... mkdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6316] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6315] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6314] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] <... openat resumed>) = 3 [pid 5829] newfstatat(AT_FDCWD, "./94/binderfs", [pid 6316] write(3, "1000", 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6316] <... write resumed>) = 4 [ 134.744653][ T6315] loop4: detected capacity change from 0 to 1024 [pid 6316] close(3 [pid 6314] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6313] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] unlink("./94/binderfs" [pid 6316] <... close resumed>) = 0 [pid 6314] <... chdir resumed>) = 0 [pid 6316] symlink("/dev/binderfs", "./binderfs" [pid 6314] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6313] sync( [pid 5829] <... unlink resumed>) = 0 executing program [pid 6316] <... symlink resumed>) = 0 [pid 6314] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] getdents64(3, [pid 6316] write(1, "executing program\n", 18 [pid 6314] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6316] <... write resumed>) = 18 [pid 6316] memfd_create("syzkaller", 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6316] <... memfd_create resumed>) = 3 [pid 6315] <... mount resumed>) = 0 [pid 5829] close(3 [pid 6316] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6315] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 6316] <... mmap resumed>) = 0x7fa6be400000 [pid 6315] <... openat resumed>) = 3 [pid 5829] rmdir("./94") = 0 [pid 5829] mkdir("./95", 0777 [pid 6315] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... mkdir resumed>) = 0 [pid 6315] <... chdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6315] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = 3 [pid 6315] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6314] <... mknod resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6314] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6315] <... mknod resumed>) = 0 [pid 6315] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6317 attached [pid 6316] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6314] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6313] <... sync resumed>) = 0 [pid 6317] set_robust_list(0x555567654760, 24) = 0 [pid 6317] chdir("./95") = 0 [pid 6317] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6314] sync( [pid 6313] exit_group(0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6317 [pid 6317] <... prctl resumed>) = 0 [pid 6317] setpgid(0, 0) = 0 [pid 6317] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6317] write(3, "1000", 4) = 4 [pid 6317] close(3 [pid 6316] <... write resumed>) = 524288 [pid 6315] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6313] <... exit_group resumed>) = ? [pid 6316] munmap(0x7fa6be400000, 138412032) = 0 [pid 6315] sync( [pid 6313] +++ exited with 0 +++ [pid 6317] <... close resumed>) = 0 [pid 6316] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6317] symlink("/dev/binderfs", "./binderfs" [pid 6316] <... openat resumed>) = 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6313, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6317] <... symlink resumed>) = 0 [pid 5831] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] write(1, "executing program\n", 18 [pid 6316] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6317] <... write resumed>) = 18 [pid 5831] <... openat resumed>) = 3 [pid 6317] memfd_create("syzkaller", 0 [pid 5831] newfstatat(3, "", [pid 6317] <... memfd_create resumed>) = 3 [pid 6317] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6317] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6315] <... sync resumed>) = 0 [pid 6314] <... sync resumed>) = 0 [pid 6315] exit_group(0 [pid 6314] exit_group(0 [pid 6315] <... exit_group resumed>) = ? [pid 6314] <... exit_group resumed>) = ? [pid 6315] +++ exited with 0 +++ [pid 6314] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6314, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6315, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] umount2("./89", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6317] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "./89", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] <... ioctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] close(3 [pid 5832] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6316] <... close resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] <... openat resumed>) = 3 [pid 6316] close(4 [pid 5832] newfstatat(3, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6316] <... close resumed>) = 0 [pid 6316] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] getdents64(3, [pid 5832] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6316] <... mkdir resumed>) = 0 [ 134.895723][ T6316] loop1: detected capacity change from 0 to 1024 [pid 6316] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6317] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6317] munmap(0x7fa6be400000, 138412032 [pid 5831] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6317] <... munmap resumed>) = 0 [pid 6316] <... mount resumed>) = 0 [pid 6317] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6316] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6317] <... openat resumed>) = 4 [pid 6316] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] ioctl(4, LOOP_SET_FD, 3 [pid 6316] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6316] <... chdir resumed>) = 0 [pid 5832] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(4, "", [pid 5833] umount2("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6316] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5831] <... openat resumed>) = 4 [pid 6316] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] newfstatat(4, "", [pid 6316] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... openat resumed>) = 4 [pid 5832] getdents64(4, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5831] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5832] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6316] <... mknod resumed>) = 0 [pid 5831] getdents64(4, [pid 6317] <... ioctl resumed>) = 0 [pid 6316] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6317] close(3) = 0 [pid 5831] close(4 [pid 6317] close(4) = 0 [pid 5831] <... close resumed>) = 0 [pid 6317] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(4, [pid 5832] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./91/binderfs", [pid 6317] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./91/binderfs") = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6317] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] newfstatat(AT_FDCWD, "./92/binderfs", [pid 5833] close(4 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] close(3 [pid 5833] rmdir("./89/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] rmdir("./91" [pid 5831] unlink("./92/binderfs" [pid 5832] <... rmdir resumed>) = 0 [pid 5833] umount2("./89/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./89/binderfs", [pid 5832] mkdir("./92", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mkdir resumed>) = 0 [ 134.982283][ T6317] loop0: detected capacity change from 0 to 1024 [pid 6316] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] unlink("./89/binderfs" [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(3, [pid 6316] sync( [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] rmdir("./92" [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6318 ./strace-static-x86_64: Process 6318 attached [pid 5831] mkdir("./93", 0777 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./89") = 0 [pid 6318] set_robust_list(0x555567654760, 24 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6318] <... set_robust_list resumed>) = 0 [pid 6318] chdir("./92" [pid 5833] mkdir("./90", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6318] <... chdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6318] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6318] setpgid(0, 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] close(3 [pid 6318] <... setpgid resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6317] <... mount resumed>) = 0 [pid 5833] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6319 attached [pid 6318] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6320 attached [pid 6319] set_robust_list(0x555567654760, 24 [pid 6318] write(3, "1000", 4 [pid 6317] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6319] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6319 [pid 6319] chdir("./90" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6320 [pid 6317] <... openat resumed>) = 3 [pid 6320] set_robust_list(0x555567654760, 24 [pid 6319] <... chdir resumed>) = 0 [pid 6318] <... write resumed>) = 4 [pid 6317] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6320] <... set_robust_list resumed>) = 0 [pid 6319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6318] close(3 [pid 6316] <... sync resumed>) = 0 [pid 6317] <... chdir resumed>) = 0 [pid 6320] chdir("./93" [pid 6319] <... prctl resumed>) = 0 [pid 6318] <... close resumed>) = 0 [pid 6317] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6316] exit_group(0 [pid 6319] setpgid(0, 0 [pid 6317] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6316] <... exit_group resumed>) = ? [pid 6318] symlink("/dev/binderfs", "./binderfs" [pid 6320] <... chdir resumed>) = 0 [pid 6319] <... setpgid resumed>) = 0 [pid 6320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6320] <... prctl resumed>) = 0 [pid 6318] <... symlink resumed>) = 0 [pid 6319] <... openat resumed>) = 3 [pid 6320] setpgid(0, 0 [pid 6319] write(3, "1000", 4 [pid 6320] <... setpgid resumed>) = 0 [pid 6319] <... write resumed>) = 4 [pid 6319] close(3) = 0 [pid 6319] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6319] write(1, "executing program\n", 18executing program executing program [pid 6320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6319] <... write resumed>) = 18 [pid 6318] write(1, "executing program\n", 18 [pid 6317] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6316] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6316, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6318] <... write resumed>) = 18 [pid 6320] <... openat resumed>) = 3 [pid 6319] memfd_create("syzkaller", 0 [pid 6318] memfd_create("syzkaller", 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6319] <... memfd_create resumed>) = 3 [pid 6319] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6320] write(3, "1000", 4 [pid 6319] <... mmap resumed>) = 0x7fa6be400000 [pid 6318] <... memfd_create resumed>) = 3 [pid 6317] <... mknod resumed>) = 0 [pid 6320] <... write resumed>) = 4 [pid 6319] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6320] close(3 [pid 6318] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6317] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6320] <... close resumed>) = 0 [pid 6318] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6319] <... write resumed>) = 524288 [pid 6320] symlink("/dev/binderfs", "./binderfs" [pid 6318] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... openat resumed>) = 3 executing program [pid 6320] <... symlink resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6320] write(1, "executing program\n", 18 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6320] <... write resumed>) = 18 [pid 5830] getdents64(3, [pid 6319] munmap(0x7fa6be400000, 138412032 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6320] memfd_create("syzkaller", 0 [pid 5830] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] <... memfd_create resumed>) = 3 [pid 6319] <... munmap resumed>) = 0 [pid 6320] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6319] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6317] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6319] ioctl(4, LOOP_SET_FD, 3 [pid 6317] sync( [pid 6319] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6319] ioctl(4, LOOP_CLR_FD) = 0 [pid 6319] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6319] close(4) = 0 [pid 6319] close(3 [pid 6320] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6319] <... close resumed>) = 0 [pid 6319] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6319] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6318] <... write resumed>) = 524288 [pid 6319] sync( [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6318] munmap(0x7fa6be400000, 138412032 [pid 6317] <... sync resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6320] <... write resumed>) = 524288 [pid 6318] <... munmap resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6318] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6317] exit_group(0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6318] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6317] <... exit_group resumed>) = ? [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6319] <... sync resumed>) = 0 [pid 6320] munmap(0x7fa6be400000, 138412032 [pid 6319] exit_group(0 [pid 5830] <... openat resumed>) = 4 [pid 6319] <... exit_group resumed>) = ? [pid 6320] <... munmap resumed>) = 0 [pid 6319] +++ exited with 0 +++ [pid 5830] newfstatat(4, "", [pid 6320] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6319, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6320] <... openat resumed>) = 4 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6320] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./90", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5833] openat(AT_FDCWD, "./90", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6317] +++ exited with 0 +++ [pid 5833] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6317, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5830] close(4 [pid 5833] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] unlink("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... rmdir resumed>) = 0 [pid 6318] <... ioctl resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6318] close(3 [pid 5833] umount2("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./94/binderfs", [pid 5829] newfstatat(3, "", [pid 6318] <... close resumed>) = 0 [pid 6318] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6318] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6318] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./94/binderfs" [pid 5829] getdents64(3, [pid 6318] <... mkdir resumed>) = 0 [pid 5833] unlink("./90/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6318] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./90/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5829] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6320] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6320] close(3 [pid 5833] newfstatat(AT_FDCWD, "./90/binderfs", [pid 5830] close(3 [pid 6320] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6320] close(4 [pid 5830] <... close resumed>) = 0 [pid 6320] <... close resumed>) = 0 [pid 5833] unlink("./90/binderfs" [pid 5829] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... unlink resumed>) = 0 [ 135.219201][ T6318] loop3: detected capacity change from 0 to 1024 [ 135.241265][ T6320] loop2: detected capacity change from 0 to 1024 [pid 5829] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6320] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6318] <... mount resumed>) = 0 [pid 5833] getdents64(3, [pid 5830] rmdir("./94" [pid 6320] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6318] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6318] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6318] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6320] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6318] <... chdir resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6318] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] rmdir("./90" [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] getdents64(4, [pid 6318] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6318] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] mkdir("./95", 0777 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] mkdir("./91", 0777 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./95/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./95/binderfs") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./95" [pid 5830] close(3 [pid 6318] <... mknod resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6318] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6321 attached [pid 6320] <... mount resumed>) = 0 [pid 6318] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6321 [pid 5829] mkdir("./96", 0777 [pid 6321] set_robust_list(0x555567654760, 24) = 0 [pid 6321] chdir("./95") = 0 [pid 6321] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... mkdir resumed>) = 0 [pid 6321] <... prctl resumed>) = 0 [pid 6320] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... close resumed>) = 0 [pid 6321] setpgid(0, 0 [pid 6318] sync( [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6321] <... setpgid resumed>) = 0 [pid 6320] <... openat resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6320] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6321] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6321] write(3, "1000", 4) = 4 [pid 6321] close(3) = 0 [pid 6321] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6320] <... chdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6321] write(1, "executing program\n", 18) = 18 [pid 6321] memfd_create("syzkaller", 0) = 3 [pid 6320] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6321] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6320] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6320] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6322 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6322 [pid 5829] <... close resumed>) = 0 [pid 6322] set_robust_list(0x555567654760, 24) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6322] chdir("./91" [pid 6321] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6322] <... chdir resumed>) = 0 [pid 6322] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6321] <... write resumed>) = 524288 [pid 6320] <... mknod resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6323 ./strace-static-x86_64: Process 6323 attached [pid 6322] setpgid(0, 0) = 0 [pid 6322] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6323] set_robust_list(0x555567654760, 24 [pid 6322] <... openat resumed>) = 3 [pid 6320] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6323] <... set_robust_list resumed>) = 0 [pid 6323] chdir("./96" [pid 6322] write(3, "1000", 4 [pid 6323] <... chdir resumed>) = 0 [pid 6322] <... write resumed>) = 4 [pid 6323] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6322] close(3 [pid 6323] <... prctl resumed>) = 0 [pid 6322] <... close resumed>) = 0 [pid 6322] symlink("/dev/binderfs", "./binderfs" [pid 6323] setpgid(0, 0executing program ) = 0 [pid 6322] <... symlink resumed>) = 0 [pid 6323] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] write(1, "executing program\n", 18) = 18 [pid 6322] memfd_create("syzkaller", 0 [pid 6321] munmap(0x7fa6be400000, 138412032) = 0 [pid 6323] <... openat resumed>) = 3 [pid 6322] <... memfd_create resumed>) = 3 [pid 6320] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6323] write(3, "1000", 4 [pid 6322] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6320] sync( [pid 6322] <... mmap resumed>) = 0x7fa6be400000 [pid 6323] <... write resumed>) = 4 [pid 6322] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6321] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6318] <... sync resumed>) = 0 [pid 6323] close(3) = 0 [pid 6323] symlink("/dev/binderfs", "./binderfs" [pid 6318] exit_group(0 [pid 6323] <... symlink resumed>) = 0 [pid 6321] <... openat resumed>) = 4 [pid 6318] <... exit_group resumed>) = ? executing program [pid 6323] write(1, "executing program\n", 18 [pid 6321] ioctl(4, LOOP_SET_FD, 3 [pid 6318] +++ exited with 0 +++ [pid 6323] <... write resumed>) = 18 [pid 6320] <... sync resumed>) = 0 [pid 6323] memfd_create("syzkaller", 0 [pid 6320] exit_group(0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6318, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6323] <... memfd_create resumed>) = 3 [pid 6320] <... exit_group resumed>) = ? [pid 5832] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6323] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6320] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 6323] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] newfstatat(3, "", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6320, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6321] <... ioctl resumed>) = 0 [pid 6323] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6322] <... write resumed>) = 524288 [pid 5831] <... umount2 resumed>) = 0 [pid 6323] <... write resumed>) = 524288 [pid 6322] munmap(0x7fa6be400000, 138412032 [pid 6321] close(3 [pid 5832] <... umount2 resumed>) = 0 [ 135.466227][ T6321] loop1: detected capacity change from 0 to 1024 [pid 6321] <... close resumed>) = 0 [pid 6322] <... munmap resumed>) = 0 [pid 6321] close(4) = 0 [pid 6321] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6323] munmap(0x7fa6be400000, 138412032 [pid 6322] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6321] <... mkdir resumed>) = 0 [pid 5831] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6321] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6323] <... munmap resumed>) = 0 [pid 6322] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6322] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./92/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./92/binderfs" [pid 6323] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... unlink resumed>) = 0 [pid 5831] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6323] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6323] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(4, "", [pid 5832] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./92") = 0 [pid 5832] mkdir("./93", 0777) = 0 [pid 5831] getdents64(4, [pid 6322] <... ioctl resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6322] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(4, [pid 6322] close(4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6322] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] close(4 [pid 6322] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6322] <... mkdir resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6323] <... ioctl resumed>) = 0 [pid 6322] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6323] close(3 [pid 5831] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6323] <... close resumed>) = 0 [pid 6322] <... mount resumed>) = 0 [pid 6321] <... mount resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./93/binderfs", [pid 6323] close(4 [pid 6322] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6321] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./93/binderfs" [pid 6323] <... close resumed>) = 0 [pid 6322] <... openat resumed>) = 3 [pid 6321] <... openat resumed>) = 3 [pid 5831] <... unlink resumed>) = 0 [pid 6323] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6322] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6323] <... mkdir resumed>) = 0 [pid 6322] <... chdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6322] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6321] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6322] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6321] <... chdir resumed>) = 0 [pid 5831] close(3 [pid 6321] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... close resumed>) = 0 [ 135.533587][ T6322] loop4: detected capacity change from 0 to 1024 [ 135.554588][ T6323] loop0: detected capacity change from 0 to 1024 [pid 6321] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6323] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6322] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] rmdir("./93" [pid 6321] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6324 [pid 5831] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6324 attached [pid 5831] mkdir("./94", 0777) = 0 [pid 6324] set_robust_list(0x555567654760, 24) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6324] chdir("./93") = 0 [pid 6324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... openat resumed>) = 3 [pid 6324] <... prctl resumed>) = 0 [pid 6324] setpgid(0, 0) = 0 [pid 6324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6321] <... mknod resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6324] <... openat resumed>) = 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6324] write(3, "1000", 4) = 4 [pid 6324] close(3 [pid 6321] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6324] <... close resumed>) = 0 [pid 6322] <... mknod resumed>) = 0 [pid 6324] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6322] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6324] write(1, "executing program\n", 18) = 18 [pid 6324] memfd_create("syzkaller", 0 [pid 6323] <... mount resumed>) = 0 [pid 5831] close(3 [pid 6324] <... memfd_create resumed>) = 3 [pid 6324] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6323] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 6323] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6323] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6322] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6321] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6321] sync(./strace-static-x86_64: Process 6325 attached [pid 6323] <... chdir resumed>) = 0 [pid 6322] sync( [pid 6323] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6325 [pid 6323] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6325] set_robust_list(0x555567654760, 24 [pid 6324] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6325] <... set_robust_list resumed>) = 0 [pid 6325] chdir("./94" [pid 6323] <... mknod resumed>) = 0 [pid 6325] <... chdir resumed>) = 0 [pid 6325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6323] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6325] <... prctl resumed>) = 0 [pid 6325] setpgid(0, 0 [pid 6322] <... sync resumed>) = 0 [pid 6321] <... sync resumed>) = 0 [pid 6321] exit_group(0) = ? [pid 6325] <... setpgid resumed>) = 0 [pid 6321] +++ exited with 0 +++ [pid 6325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6322] exit_group(0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6321, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6325] <... openat resumed>) = 3 [pid 6324] <... write resumed>) = 524288 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6325] write(3, "1000", 4 [pid 6322] <... exit_group resumed>) = ? [pid 6325] <... write resumed>) = 4 [pid 6323] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6322] +++ exited with 0 +++ [pid 6325] close(3 [pid 6323] sync( [pid 6325] <... close resumed>) = 0 [pid 6325] symlink("/dev/binderfs", "./binderfs" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6322, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] <... restart_syscall resumed>) = 0 [pid 6325] <... symlink resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6325] write(1, "executing program\n", 18 [pid 6324] munmap(0x7fa6be400000, 138412032 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6325] <... write resumed>) = 18 [pid 6325] memfd_create("syzkaller", 0 [pid 6324] <... munmap resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6325] <... memfd_create resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6324] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6325] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6324] ioctl(4, LOOP_SET_FD, 3 [pid 6325] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] umount2("./91", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6323] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6323] exit_group(0 [pid 5833] openat(AT_FDCWD, "./91", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6323] <... exit_group resumed>) = ? [pid 5833] <... openat resumed>) = 3 [pid 6323] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6323, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] newfstatat(3, "", [pid 6325] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6325] <... write resumed>) = 524288 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6324] <... ioctl resumed>) = 0 [pid 6324] close(3) = 0 [pid 6324] close(4 [pid 5833] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6325] munmap(0x7fa6be400000, 138412032 [pid 6324] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6324] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] <... munmap resumed>) = 0 [pid 6324] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6324] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] newfstatat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 135.721545][ T6324] loop3: detected capacity change from 0 to 1024 [pid 6325] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6325] <... openat resumed>) = 4 [pid 5833] umount2("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5829] newfstatat(3, "", [pid 6325] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] openat(AT_FDCWD, "./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] getdents64(3, [pid 5830] getdents64(4, [pid 6324] <... mount resumed>) = 0 [pid 6324] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6324] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6324] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6324] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... openat resumed>) = 4 [pid 5830] getdents64(4, [pid 5829] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6324] <... mknod resumed>) = 0 [pid 6324] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(4, "", [pid 5830] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... close resumed>) = 0 [pid 6325] <... ioctl resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6325] close(3) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6325] close(4 [pid 5833] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 6325] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 6325] <... mkdir resumed>) = 0 [pid 5833] rmdir("./91/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(AT_FDCWD, "./95/binderfs", [pid 6325] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6324] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] unlink("./95/binderfs" [pid 6324] sync( [pid 5833] umount2("./91/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5833] newfstatat(AT_FDCWD, "./91/binderfs", [pid 5830] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 135.795571][ T6325] loop2: detected capacity change from 0 to 1024 [pid 5830] rmdir("./95" [pid 5829] <... umount2 resumed>) = 0 [pid 6325] <... mount resumed>) = 0 [pid 5833] unlink("./91/binderfs" [pid 5830] <... rmdir resumed>) = 0 [pid 6325] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] <... openat resumed>) = 3 [pid 5833] <... unlink resumed>) = 0 [pid 5830] mkdir("./96", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6325] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6325] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] close(3 [pid 5829] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] rmdir("./91" [pid 5829] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6324] <... sync resumed>) = 0 [pid 5833] mkdir("./92", 0777 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] getdents64(4, [pid 6324] exit_group(0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6324] <... exit_group resumed>) = ? [pid 5829] getdents64(4, [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5829] close(4) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6325] <... mknod resumed>) = 0 [pid 6324] +++ exited with 0 +++ [pid 5833] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6324, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] newfstatat(AT_FDCWD, "./96/binderfs", [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] unlink("./96/binderfs" [pid 5832] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5829] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(3, [pid 5832] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6326 attached [pid 5829] close(3 [pid 6325] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6326 [pid 6326] set_robust_list(0x555567654760, 24 [pid 6325] sync( [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... close resumed>) = 0 [pid 6326] <... set_robust_list resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./96"./strace-static-x86_64: Process 6327 attached [pid 6326] chdir("./96" [pid 5829] <... rmdir resumed>) = 0 [pid 6327] set_robust_list(0x555567654760, 24 [pid 5829] mkdir("./97", 0777 [pid 6326] <... chdir resumed>) = 0 [pid 6326] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6327] <... set_robust_list resumed>) = 0 [pid 6326] <... prctl resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6327] chdir("./92" [pid 6326] setpgid(0, 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6327 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6327] <... chdir resumed>) = 0 [pid 6326] <... setpgid resumed>) = 0 [pid 6325] <... sync resumed>) = 0 [pid 6327] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6327] <... prctl resumed>) = 0 [pid 6326] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6327] setpgid(0, 0) = 0 [pid 6325] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... ioctl resumed>) = 0 [pid 6326] <... openat resumed>) = 3 [pid 5829] close(3 [pid 6327] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6326] write(3, "1000", 4 [pid 6325] <... exit_group resumed>) = ? [pid 5832] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6328 attached [pid 6326] <... write resumed>) = 4 [pid 5832] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6327] <... openat resumed>) = 3 [pid 6326] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6325] +++ exited with 0 +++ [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6328 [pid 6328] set_robust_list(0x555567654760, 24 [pid 6326] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6326] symlink("/dev/binderfs", "./binderfs" [pid 6328] <... set_robust_list resumed>) = 0 [pid 6327] write(3, "1000", 4 [pid 6328] chdir("./97" [pid 6327] <... write resumed>) = 4 [pid 6328] <... chdir resumed>) = 0 [pid 6327] close(3 [pid 6326] <... symlink resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6325, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] <... prctl resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 6327] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] setpgid(0, 0 [pid 6327] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6328] <... setpgid resumed>) = 0 [pid 6327] <... symlink resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... openat resumed>) = 3 executing program executing program [pid 6328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6327] write(1, "executing program\n", 18 [pid 6326] write(1, "executing program\n", 18 [pid 5832] getdents64(4, [pid 5831] newfstatat(3, "", [pid 6327] <... write resumed>) = 18 [pid 6326] <... write resumed>) = 18 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6328] <... openat resumed>) = 3 [pid 6327] memfd_create("syzkaller", 0 [pid 6326] memfd_create("syzkaller", 0 [pid 5832] close(4 [pid 5831] getdents64(3, [pid 6328] write(3, "1000", 4 [pid 6327] <... memfd_create resumed>) = 3 [pid 6326] <... memfd_create resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6328] <... write resumed>) = 4 [pid 6327] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6326] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] close(3 [pid 6327] <... mmap resumed>) = 0x7fa6be400000 [pid 6328] <... close resumed>) = 0 [pid 6326] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... rmdir resumed>) = 0 [pid 6328] symlink("/dev/binderfs", "./binderfs" [pid 5832] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6328] <... symlink resumed>) = 0 [pid 6326] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] write(1, "executing program\n", 18 [pid 5832] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6328] <... write resumed>) = 18 [pid 5832] unlink("./93/binderfs" [pid 6328] memfd_create("syzkaller", 0 [pid 6327] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5832] getdents64(3, [pid 6328] <... memfd_create resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6328] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] <... close resumed>) = 0 [pid 6328] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] rmdir("./93") = 0 [pid 6326] <... write resumed>) = 524288 [pid 5832] mkdir("./94", 0777 [pid 6327] <... write resumed>) = 524288 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6327] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6327] <... munmap resumed>) = 0 [pid 6326] munmap(0x7fa6be400000, 138412032 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6327] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6326] <... munmap resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6327] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6329 attached [pid 6328] <... write resumed>) = 524288 [pid 6327] ioctl(4, LOOP_SET_FD, 3 [pid 6326] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6329] set_robust_list(0x555567654760, 24 [pid 6328] munmap(0x7fa6be400000, 138412032 [pid 6326] <... openat resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6329 [pid 5831] getdents64(4, [pid 6326] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6328] <... munmap resumed>) = 0 [pid 6329] <... set_robust_list resumed>) = 0 [pid 6328] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] close(4 [pid 6329] chdir("./94" [pid 6328] <... openat resumed>) = 4 [pid 6327] <... ioctl resumed>) = 0 [pid 6326] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6329] <... chdir resumed>) = 0 [pid 6328] ioctl(4, LOOP_SET_FD, 3 [pid 6327] close(3 [pid 5831] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6327] <... close resumed>) = 0 [pid 6327] close(4 [pid 5831] <... rmdir resumed>) = 0 [pid 6329] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6327] <... close resumed>) = 0 [pid 6326] close(3 [pid 5831] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6329] setpgid(0, 0 [pid 6327] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6326] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6328] <... ioctl resumed>) = 0 [pid 6329] <... setpgid resumed>) = 0 [pid 6328] close(3 [pid 6327] <... mkdir resumed>) = 0 [pid 6326] close(4 [pid 5831] newfstatat(AT_FDCWD, "./94/binderfs", [pid 6329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6328] <... close resumed>) = 0 [pid 6327] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6326] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6328] close(4 [pid 5831] unlink("./94/binderfs" [pid 6328] <... close resumed>) = 0 [pid 6329] <... openat resumed>) = 3 [pid 6328] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6326] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... unlink resumed>) = 0 [ 136.077842][ T6327] loop4: detected capacity change from 0 to 1024 [ 136.089819][ T6326] loop1: detected capacity change from 0 to 1024 [ 136.105624][ T6328] loop0: detected capacity change from 0 to 1024 [pid 6329] write(3, "1000", 4 [pid 6328] <... mkdir resumed>) = 0 [pid 6326] <... mkdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6329] <... write resumed>) = 4 [pid 6328] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6326] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6329] close(3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6329] <... close resumed>) = 0 [pid 6329] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... close resumed>) = 0 [pid 6329] <... symlink resumed>) = 0 [pid 6327] <... mount resumed>) = 0 [pid 5831] rmdir("./94" [pid 6329] write(1, "executing program\n", 18 [pid 6327] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./95", 0777executing program [pid 6327] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 6329] <... write resumed>) = 18 [pid 6329] memfd_create("syzkaller", 0 [pid 6327] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6328] <... mount resumed>) = 0 [pid 6327] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6329] <... memfd_create resumed>) = 3 [pid 6328] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6327] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6329] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... openat resumed>) = 3 [pid 6329] <... mmap resumed>) = 0x7fa6be400000 [pid 6328] <... openat resumed>) = 3 [pid 6327] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6326] <... mount resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6327] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6328] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6326] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 6327] <... mknod resumed>) = 0 [pid 6327] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6327] sync( [pid 6326] <... openat resumed>) = 3 [pid 6328] <... chdir resumed>) = 0 [pid 6326] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6328] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6328] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6326] <... chdir resumed>) = 0 [pid 6329] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6326] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6326] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6328] <... mknod resumed>) = 0 [pid 6328] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6330 attached [pid 6326] <... mknod resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6330 [pid 6326] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6329] <... write resumed>) = 524288 [pid 6330] set_robust_list(0x555567654760, 24) = 0 [pid 6330] chdir("./95") = 0 [pid 6326] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6326] sync( [pid 6330] <... prctl resumed>) = 0 [pid 6330] setpgid(0, 0 [pid 6329] munmap(0x7fa6be400000, 138412032 [pid 6328] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6330] <... setpgid resumed>) = 0 [pid 6330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6329] <... munmap resumed>) = 0 [pid 6328] sync( [pid 6330] <... openat resumed>) = 3 [pid 6330] write(3, "1000", 4 [pid 6329] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6330] <... write resumed>) = 4 [pid 6330] close(3 [pid 6329] ioctl(4, LOOP_SET_FD, 3 [pid 6330] <... close resumed>) = 0 [pid 6330] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6327] <... sync resumed>) = 0 [pid 6327] exit_group(0) = ? executing program [pid 6330] write(1, "executing program\n", 18) = 18 [pid 6330] memfd_create("syzkaller", 0) = 3 [pid 6326] <... sync resumed>) = 0 [pid 6330] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6326] exit_group(0 [pid 6328] <... sync resumed>) = 0 [pid 6329] <... ioctl resumed>) = 0 [pid 6328] exit_group(0 [pid 6327] +++ exited with 0 +++ [pid 6326] <... exit_group resumed>) = ? [pid 6329] close(3 [pid 6328] <... exit_group resumed>) = ? [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6327, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6328] +++ exited with 0 +++ [pid 6330] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6329] <... close resumed>) = 0 [pid 6326] +++ exited with 0 +++ [pid 5833] umount2("./92", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6329] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6326, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6328, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6329] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./92", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6329] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... openat resumed>) = 3 [pid 6329] <... mkdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 6329] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(3, "", [pid 5829] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6330] <... write resumed>) = 524288 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6330] munmap(0x7fa6be400000, 138412032 [pid 5833] getdents64(3, [pid 5830] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6330] <... munmap resumed>) = 0 [pid 5829] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] <... openat resumed>) = 4 [ 136.292185][ T6329] loop3: detected capacity change from 0 to 1024 [pid 6330] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6329] <... mount resumed>) = 0 [pid 6329] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... umount2 resumed>) = 0 [pid 6329] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = 0 [pid 6330] close(3) = 0 [pid 6329] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6330] close(4 [pid 5829] <... umount2 resumed>) = 0 [pid 6330] <... close resumed>) = 0 [pid 6329] <... chdir resumed>) = 0 [pid 5829] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6329] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6330] <... mkdir resumed>) = 0 [pid 6329] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6329] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] newfstatat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6330] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(4, "", [pid 5829] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6329] <... mknod resumed>) = 0 [pid 6329] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(4, "", [pid 5829] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 5830] getdents64(4, [pid 5833] getdents64(4, [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] close(4 [pid 5833] close(4 [pid 5829] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5830] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] rmdir("./92/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] unlink("./97/binderfs" [pid 6330] <... mount resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6329] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6330] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6329] sync( [pid 5833] umount2("./92/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5833] newfstatat(AT_FDCWD, "./92/binderfs", [pid 5829] <... close resumed>) = 0 [ 136.342722][ T6330] loop2: detected capacity change from 0 to 1024 [pid 6330] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./97" [pid 5833] unlink("./92/binderfs" [pid 5830] newfstatat(AT_FDCWD, "./96/binderfs", [pid 5829] <... rmdir resumed>) = 0 [pid 6330] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6330] <... chdir resumed>) = 0 [pid 5833] getdents64(3, [pid 6330] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6330] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(3 [pid 5830] unlink("./96/binderfs" [pid 6330] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] mkdir("./98", 0777 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./92" [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6330] <... mknod resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6330] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 6329] <... sync resumed>) = 0 [pid 6329] exit_group(0 [pid 5829] close(3 [pid 6329] <... exit_group resumed>) = ? [pid 5830] <... close resumed>) = 0 [pid 6330] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6329] +++ exited with 0 +++ [pid 5829] <... close resumed>) = 0 [pid 5833] mkdir("./93", 0777 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6329, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] rmdir("./96" [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6330] sync( [pid 5830] mkdir("./97", 0777 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6331 attached [pid 5833] <... close resumed>) = 0 [pid 5832] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6331 [pid 6331] set_robust_list(0x555567654760, 24 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6331] <... set_robust_list resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... ioctl resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6331] chdir("./98" [pid 5832] newfstatat(3, "", [pid 5830] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6330] <... sync resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6331] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6332 [pid 5832] getdents64(3, [pid 6331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6330] exit_group(0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6331] <... prctl resumed>) = 0 [pid 5832] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6330] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6332 attached [pid 6331] setpgid(0, 0 [pid 6332] set_robust_list(0x555567654760, 24 [pid 5832] <... umount2 resumed>) = 0 [pid 6332] <... set_robust_list resumed>) = 0 [pid 6331] <... setpgid resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6332] chdir("./93") = 0 [pid 6332] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6332] setpgid(0, 0) = 0 [pid 6332] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6332] write(3, "1000", 4) = 4 [pid 6332] close(3) = 0 [pid 6332] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6330] +++ exited with 0 +++ [pid 5832] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6330, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- ./strace-static-x86_64: Process 6333 attached [pid 6331] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6333] set_robust_list(0x555567654760, 24 [pid 6332] write(1, "executing program\n", 18 [pid 6331] write(3, "1000", 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6333 [pid 6333] <... set_robust_list resumed>) = 0 [pid 6331] <... write resumed>) = 4 [pid 5832] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6331] close(3 [pid 6333] chdir("./97" [pid 6332] <... write resumed>) = 18 [pid 6331] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6333] <... chdir resumed>) = 0 [pid 6332] memfd_create("syzkaller", 0 [pid 6331] symlink("/dev/binderfs", "./binderfs" [pid 5832] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6333] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6332] <... memfd_create resumed>) = 3 executing program [pid 6333] <... prctl resumed>) = 0 [pid 6332] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6331] <... symlink resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6332] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6333] setpgid(0, 0 [pid 6332] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6331] write(1, "executing program\n", 18 [pid 5832] newfstatat(4, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6333] <... setpgid resumed>) = 0 [pid 6331] <... write resumed>) = 18 [pid 5831] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6331] memfd_create("syzkaller", 0 [pid 5832] getdents64(4, [pid 5831] <... openat resumed>) = 3 [pid 6333] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6333] <... openat resumed>) = 3 [pid 5832] getdents64(4, [pid 6333] write(3, "1000", 4 [pid 5831] getdents64(3, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6333] <... write resumed>) = 4 [pid 6331] <... memfd_create resumed>) = 3 [pid 5832] close(4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6333] close(3 [pid 6331] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... close resumed>) = 0 [pid 6333] <... close resumed>) = 0 [pid 5831] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6331] <... mmap resumed>) = 0x7fa6be400000 [pid 6333] symlink("/dev/binderfs", "./binderfs" [pid 6332] <... write resumed>) = 524288 [pid 5832] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6333] <... symlink resumed>) = 0 [pid 6331] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6333] write(1, "executing program\n", 18 [pid 5832] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./94/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6333] <... write resumed>) = 18 [pid 5832] unlink("./94/binderfs" [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 5832] <... unlink resumed>) = 0 [pid 6332] munmap(0x7fa6be400000, 138412032 [pid 6333] memfd_create("syzkaller", 0 [pid 6332] <... munmap resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6333] <... memfd_create resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6333] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] close(3 [pid 5831] getdents64(4, [pid 6333] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6332] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] rmdir("./94" [pid 5831] getdents64(4, [pid 6332] <... openat resumed>) = 4 [pid 6332] ioctl(4, LOOP_SET_FD, 3 [pid 6333] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6331] <... write resumed>) = 524288 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] close(4 [pid 5832] mkdir("./95", 0777 [pid 5831] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6331] munmap(0x7fa6be400000, 138412032 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 6333] <... write resumed>) = 524288 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6333] munmap(0x7fa6be400000, 138412032 [pid 6331] <... munmap resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6333] <... munmap resumed>) = 0 [pid 6331] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6333] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6332] <... ioctl resumed>) = 0 [pid 6331] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./95/binderfs", [pid 6333] <... openat resumed>) = 4 [pid 6331] ioctl(4, LOOP_SET_FD, 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./95/binderfs" [pid 6333] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6334 attached [pid 6334] set_robust_list(0x555567654760, 24) = 0 [ 136.564844][ T6332] loop4: detected capacity change from 0 to 1024 [pid 6332] close(3 [pid 6334] chdir("./95") = 0 [pid 6334] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6334] setpgid(0, 0) = 0 [pid 6334] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6334] write(3, "1000", 4 [pid 6333] <... ioctl resumed>) = 0 [pid 6332] <... close resumed>) = 0 [pid 6334] <... write resumed>) = 4 [pid 5831] getdents64(3, [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6334 [pid 6332] close(4 [pid 6334] close(3) = 0 [pid 6332] <... close resumed>) = 0 [pid 6334] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6334] write(1, "executing program\n", 18 [pid 6332] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6334] <... write resumed>) = 18 [pid 6334] memfd_create("syzkaller", 0) = 3 [pid 5831] close(3 [pid 6334] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6332] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6332] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] rmdir("./95") = 0 [pid 5831] mkdir("./96", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 6331] <... ioctl resumed>) = 0 [pid 6331] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6335 attached [ 136.609272][ T6333] loop1: detected capacity change from 0 to 1024 [ 136.617727][ T6331] loop0: detected capacity change from 0 to 1024 [pid 6334] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6333] close(3 [pid 6331] <... close resumed>) = 0 [pid 6335] set_robust_list(0x555567654760, 24 [pid 6332] <... mount resumed>) = 0 [pid 6331] close(4 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6335 [pid 6332] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6335] <... set_robust_list resumed>) = 0 [pid 6334] <... write resumed>) = 524288 [pid 6333] <... close resumed>) = 0 [pid 6332] <... openat resumed>) = 3 [pid 6331] <... close resumed>) = 0 [pid 6332] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6331] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6332] <... chdir resumed>) = 0 [pid 6332] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6335] chdir("./96" [pid 6332] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6334] munmap(0x7fa6be400000, 138412032 [pid 6333] close(4 [pid 6332] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6334] <... munmap resumed>) = 0 [pid 6334] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6333] <... close resumed>) = 0 [pid 6331] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6335] <... chdir resumed>) = 0 [pid 6333] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6334] <... openat resumed>) = 4 [pid 6333] <... mkdir resumed>) = 0 [pid 6335] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6334] ioctl(4, LOOP_SET_FD, 3 [pid 6335] <... prctl resumed>) = 0 [pid 6333] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6332] <... mknod resumed>) = 0 [pid 6335] setpgid(0, 0) = 0 [pid 6332] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6335] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6335] write(3, "1000", 4) = 4 [pid 6335] close(3 [pid 6334] <... ioctl resumed>) = 0 [pid 6334] close(3) = 0 [pid 6334] close(4) = 0 [pid 6334] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6334] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6335] <... close resumed>) = 0 [pid 6334] <... mount resumed>) = 0 [pid 6335] symlink("/dev/binderfs", "./binderfs" [pid 6331] <... mount resumed>) = 0 [pid 6335] <... symlink resumed>) = 0 [pid 6334] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6331] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6334] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 136.715715][ T6334] loop3: detected capacity change from 0 to 1024 [pid 6334] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program [pid 6331] <... openat resumed>) = 3 [pid 6335] write(1, "executing program\n", 18 [pid 6334] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6332] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6331] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6335] <... write resumed>) = 18 [pid 6332] sync( [pid 6331] <... chdir resumed>) = 0 [pid 6335] memfd_create("syzkaller", 0 [pid 6334] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6333] <... mount resumed>) = 0 [pid 6331] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6335] <... memfd_create resumed>) = 3 [pid 6333] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6331] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6335] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6333] <... openat resumed>) = 3 [pid 6334] <... mknod resumed>) = 0 [pid 6334] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6333] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6335] <... mmap resumed>) = 0x7fa6be400000 [pid 6333] <... chdir resumed>) = 0 [pid 6333] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6333] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6331] <... mknod resumed>) = 0 [pid 6334] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6334] sync( [pid 6331] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6333] <... mknod resumed>) = 0 [pid 6333] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6335] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6333] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6331] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6333] sync( [pid 6331] sync( [pid 6335] <... write resumed>) = 524288 [pid 6335] munmap(0x7fa6be400000, 138412032) = 0 [pid 6335] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6335] ioctl(4, LOOP_SET_FD, 3 [pid 6332] <... sync resumed>) = 0 [pid 6332] exit_group(0) = ? [pid 6332] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6332, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./93", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./93", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6335] <... ioctl resumed>) = 0 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6335] close(3 [pid 6334] <... sync resumed>) = 0 [pid 6331] <... sync resumed>) = 0 [pid 5833] getdents64(3, [pid 6335] <... close resumed>) = 0 [pid 6334] exit_group(0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6335] close(4 [pid 6334] <... exit_group resumed>) = ? [ 136.855155][ T6335] loop2: detected capacity change from 0 to 1024 [pid 6331] exit_group(0 [pid 6335] <... close resumed>) = 0 [pid 6334] +++ exited with 0 +++ [pid 6333] <... sync resumed>) = 0 [pid 6331] <... exit_group resumed>) = ? [pid 5833] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6334, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6333] exit_group(0 [pid 6331] +++ exited with 0 +++ [pid 6333] <... exit_group resumed>) = ? [pid 6333] +++ exited with 0 +++ [pid 6335] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6331, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6335] <... mkdir resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6335] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6333, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] newfstatat(3, "", [pid 5833] newfstatat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5833] openat(AT_FDCWD, "./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] newfstatat(4, "", [pid 5832] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6335] <... mount resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6335] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6335] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6335] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6335] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(4 [pid 5832] getdents64(4, [pid 6335] <... mknod resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] rmdir("./93/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] getdents64(4, [pid 6335] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5833] umount2("./93/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./93/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./95/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] unlink("./93/binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] unlink("./95/binderfs" [pid 5830] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6335] sync( [pid 5833] rmdir("./93" [pid 5832] getdents64(3, [pid 5830] <... openat resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(4, "", [pid 5832] close(3) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./95" [pid 5830] getdents64(4, [pid 5833] mkdir("./94", 0777) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5832] mkdir("./96", 0777 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... mkdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6336 attached [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6335] <... sync resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6335] exit_group(0 [pid 5832] <... openat resumed>) = 3 [pid 5830] close(4 [pid 5829] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6336] set_robust_list(0x555567654760, 24 [pid 6335] <... exit_group resumed>) = ? [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6336] <... set_robust_list resumed>) = 0 [pid 6335] +++ exited with 0 +++ [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6336 [pid 5829] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... ioctl resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6335, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] chdir("./94" [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] close(3 [pid 5829] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6336] <... chdir resumed>) = 0 [pid 6336] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] setpgid(0, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6336] <... setpgid resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 6336] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6336] write(3, "1000", 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6336] <... write resumed>) = 4 [pid 5831] getdents64(3, [pid 6336] close(3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... close resumed>) = 0 [pid 6336] <... close resumed>) = 0 [pid 5831] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 6336] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6336] write(1, "executing program\n", 18) = 18 [pid 6336] memfd_create("syzkaller", 0) = 3 [pid 6336] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6336] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(4, [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(4, ./strace-static-x86_64: Process 6337 attached [pid 5831] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./97/binderfs" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6337] set_robust_list(0x555567654760, 24 [pid 5831] <... openat resumed>) = 4 [pid 5830] getdents64(3, [pid 5829] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6337] <... set_robust_list resumed>) = 0 [pid 6336] <... write resumed>) = 524288 [pid 5831] newfstatat(4, "", [pid 6337] chdir("./96" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6337] <... chdir resumed>) = 0 [pid 6336] munmap(0x7fa6be400000, 138412032 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6337 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] close(3 [pid 5829] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6337] <... prctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] setpgid(0, 0 [pid 6336] <... munmap resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./98/binderfs", [pid 6337] <... setpgid resumed>) = 0 [pid 6336] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] getdents64(4, [pid 5830] rmdir("./97" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6336] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] unlink("./98/binderfs" [pid 6336] ioctl(4, LOOP_SET_FD, 3 [pid 5831] close(4 [pid 6337] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6337] write(3, "1000", 4) = 4 [pid 5830] mkdir("./98", 0777 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6337] close(3 [pid 5831] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6337] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 6337] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 6337] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6337] <... write resumed>) = 18 [pid 5830] <... openat resumed>) = 3 [pid 5829] rmdir("./98" [pid 5831] newfstatat(AT_FDCWD, "./96/binderfs", [pid 6337] memfd_create("syzkaller", 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./96/binderfs") = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6337] <... memfd_create resumed>) = 3 [pid 5831] getdents64(3, [pid 5829] mkdir("./99", 0777 [pid 6337] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./96" [pid 6337] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5831] mkdir("./97", 0777) = 0 [pid 6337] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6336] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6336] close(3 [pid 5829] <... openat resumed>) = 3 [pid 6336] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6336] close(4) = 0 [pid 6336] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6336] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 6336] <... mount resumed>) = 0 [pid 6336] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6338 attached [pid 6337] <... write resumed>) = 524288 [pid 6336] <... openat resumed>) = 3 [pid 6336] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6336] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6336] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6338] set_robust_list(0x555567654760, 24) = 0 [pid 6337] munmap(0x7fa6be400000, 138412032 [pid 5831] <... close resumed>) = 0 [ 137.072758][ T6336] loop4: detected capacity change from 0 to 1024 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6338] chdir("./98" [pid 6337] <... munmap resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6338 [pid 6338] <... chdir resumed>) = 0 [pid 6338] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6339 attached ) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6340 ./strace-static-x86_64: Process 6340 attached [pid 6339] set_robust_list(0x555567654760, 24 [pid 6338] setpgid(0, 0 [pid 6337] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6336] <... mknod resumed>) = 0 [pid 6340] set_robust_list(0x555567654760, 24 [pid 6336] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6339] <... set_robust_list resumed>) = 0 [pid 6337] <... openat resumed>) = 4 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6339 [pid 6338] <... setpgid resumed>) = 0 [pid 6337] ioctl(4, LOOP_SET_FD, 3 [pid 6340] <... set_robust_list resumed>) = 0 [pid 6339] chdir("./97" [pid 6338] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] chdir("./99") = 0 [pid 6340] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6340] setpgid(0, 0) = 0 [pid 6340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6338] <... openat resumed>) = 3 [pid 6336] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6340] write(3, "1000", 4 [pid 6339] <... chdir resumed>) = 0 [pid 6338] write(3, "1000", 4 [pid 6336] sync( [pid 6340] <... write resumed>) = 4 [pid 6340] close(3 [pid 6338] <... write resumed>) = 4 [pid 6340] <... close resumed>) = 0 [pid 6339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6338] close(3 [pid 6337] <... ioctl resumed>) = 0 [pid 6339] <... prctl resumed>) = 0 [pid 6338] <... close resumed>) = 0 [pid 6337] close(3 [pid 6339] setpgid(0, 0 [pid 6338] symlink("/dev/binderfs", "./binderfs" [pid 6339] <... setpgid resumed>) = 0 [pid 6337] <... close resumed>) = 0 [pid 6337] close(4 [pid 6339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6337] <... close resumed>) = 0 [pid 6338] <... symlink resumed>) = 0 [pid 6337] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6339] <... openat resumed>) = 3 executing program [pid 6340] symlink("/dev/binderfs", "./binderfs" [pid 6339] write(3, "1000", 4 [pid 6338] write(1, "executing program\n", 18 [pid 6337] <... mkdir resumed>) = 0 [pid 6339] <... write resumed>) = 4 [pid 6338] <... write resumed>) = 18 [pid 6337] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6339] close(3) = 0 [pid 6340] <... symlink resumed>) = 0 executing program [pid 6340] write(1, "executing program\n", 18 [pid 6339] symlink("/dev/binderfs", "./binderfs" [pid 6338] memfd_create("syzkaller", 0 [pid 6336] <... sync resumed>) = 0 [pid 6340] <... write resumed>) = 18 [pid 6339] <... symlink resumed>) = 0 [pid 6336] exit_group(0executing program [pid 6340] memfd_create("syzkaller", 0 [pid 6339] write(1, "executing program\n", 18 [pid 6338] <... memfd_create resumed>) = 3 [pid 6336] <... exit_group resumed>) = ? [pid 6339] <... write resumed>) = 18 [pid 6338] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6336] +++ exited with 0 +++ [pid 6339] memfd_create("syzkaller", 0 [pid 6338] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6336, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6340] <... memfd_create resumed>) = 3 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6340] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6340] <... mmap resumed>) = 0x7fa6be400000 [pid 6339] <... memfd_create resumed>) = 3 [pid 6338] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6339] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] umount2("./94", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6339] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./94", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6339] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [ 137.147648][ T6337] loop3: detected capacity change from 0 to 1024 [pid 5833] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5833] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6337] <... mount resumed>) = 0 [pid 6337] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6337] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6337] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6340] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6338] <... write resumed>) = 524288 [pid 6337] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... openat resumed>) = 4 [pid 6338] munmap(0x7fa6be400000, 138412032 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6338] <... munmap resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6340] <... write resumed>) = 524288 [pid 6339] <... write resumed>) = 524288 [pid 6338] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6337] <... mknod resumed>) = 0 [pid 6338] <... openat resumed>) = 4 [pid 6337] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6338] ioctl(4, LOOP_SET_FD, 3 [pid 6340] munmap(0x7fa6be400000, 138412032 [pid 6339] munmap(0x7fa6be400000, 138412032 [pid 5833] close(4 [pid 6339] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6340] <... munmap resumed>) = 0 [pid 5833] rmdir("./94/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6340] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./94/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6340] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6340] ioctl(4, LOOP_SET_FD, 3 [pid 5833] newfstatat(AT_FDCWD, "./94/binderfs", [pid 6339] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6338] <... ioctl resumed>) = 0 [pid 6337] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6339] <... openat resumed>) = 4 [pid 6339] ioctl(4, LOOP_SET_FD, 3 [pid 6337] sync( [pid 6338] close(3) = 0 [pid 5833] unlink("./94/binderfs") = 0 [pid 6338] close(4 [pid 5833] getdents64(3, [pid 6338] <... close resumed>) = 0 [pid 6338] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./94") = 0 [pid 5833] mkdir("./95", 0777) = 0 [pid 6339] <... ioctl resumed>) = 0 [pid 6338] <... mkdir resumed>) = 0 [pid 6339] close(3) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6339] close(4) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6339] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6338] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6337] <... sync resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6341 attached [pid 6339] <... mkdir resumed>) = 0 [pid 6337] exit_group(0) = ? [pid 6341] set_robust_list(0x555567654760, 24 [pid 6340] <... ioctl resumed>) = 0 [pid 6341] <... set_robust_list resumed>) = 0 [pid 6340] close(3 [pid 6339] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6341] chdir("./95" [pid 6340] <... close resumed>) = 0 [pid 6340] close(4 [pid 6341] <... chdir resumed>) = 0 [pid 6340] <... close resumed>) = 0 [pid 6341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6340] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6341 [pid 6341] <... prctl resumed>) = 0 [pid 6340] <... mkdir resumed>) = 0 [pid 6341] setpgid(0, 0) = 0 [pid 6341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6340] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6341] <... openat resumed>) = 3 [pid 6338] <... mount resumed>) = 0 [pid 6337] +++ exited with 0 +++ [ 137.248013][ T6338] loop1: detected capacity change from 0 to 1024 [ 137.253783][ T6340] loop0: detected capacity change from 0 to 1024 [ 137.264355][ T6339] loop2: detected capacity change from 0 to 1024 [pid 6341] write(3, "1000", 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6337, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6341] <... write resumed>) = 4 [pid 6338] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6341] close(3) = 0 [pid 6341] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] <... restart_syscall resumed>) = 0 executing program [pid 6338] <... openat resumed>) = 3 [pid 6341] write(1, "executing program\n", 18) = 18 [pid 6341] memfd_create("syzkaller", 0 [pid 6338] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6341] <... memfd_create resumed>) = 3 [pid 6339] <... mount resumed>) = 0 [pid 5832] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6339] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6338] <... chdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6341] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6339] <... openat resumed>) = 3 [pid 6338] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6339] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6341] <... mmap resumed>) = 0x7fa6be400000 [pid 6339] <... chdir resumed>) = 0 [pid 6338] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... openat resumed>) = 3 [pid 6340] <... mount resumed>) = 0 [pid 6339] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6340] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6339] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6338] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] getdents64(3, [pid 6340] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6340] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6341] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6340] <... chdir resumed>) = 0 [pid 5832] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6339] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6340] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6340] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6339] <... mknod resumed>) = 0 [pid 6338] <... mknod resumed>) = 0 [pid 6341] <... write resumed>) = 524288 [pid 6339] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6338] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6340] <... mknod resumed>) = 0 [pid 6340] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6341] munmap(0x7fa6be400000, 138412032) = 0 [pid 6341] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6340] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6341] <... openat resumed>) = 4 [pid 6340] sync( [pid 6341] ioctl(4, LOOP_SET_FD, 3 [pid 6339] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6339] sync( [pid 6338] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6338] sync( [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", [pid 6341] <... ioctl resumed>) = 0 [pid 6341] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 6341] <... close resumed>) = 0 [pid 6341] close(4) = 0 [pid 6341] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6341] <... mkdir resumed>) = 0 [pid 5832] getdents64(4, [pid 6341] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6339] <... sync resumed>) = 0 [pid 6338] <... sync resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [ 137.362939][ T6341] loop4: detected capacity change from 0 to 1024 [pid 6340] <... sync resumed>) = 0 [pid 5832] close(4 [pid 6340] exit_group(0 [pid 6339] exit_group(0 [pid 5832] <... close resumed>) = 0 [pid 6339] <... exit_group resumed>) = ? [pid 6338] exit_group(0 [pid 5832] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6340] <... exit_group resumed>) = ? [pid 6340] +++ exited with 0 +++ [pid 6339] +++ exited with 0 +++ [pid 6338] <... exit_group resumed>) = ? [pid 5832] <... rmdir resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6339, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6340, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] newfstatat(AT_FDCWD, "./96/binderfs", [pid 6341] <... mount resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] unlink("./96/binderfs" [pid 6341] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... unlink resumed>) = 0 [pid 6341] <... openat resumed>) = 3 [pid 6338] +++ exited with 0 +++ [pid 5831] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6341] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6338, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6341] <... chdir resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6341] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6341] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] getdents64(3, [pid 6341] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6341] <... mknod resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6341] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./96" [pid 5830] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 6341] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6341] sync( [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] mkdir("./97", 0777) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 4 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(4, "", [pid 5832] close(3) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(4, [pid 5830] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6341] <... sync resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] close(4 [pid 6341] exit_group(0 [pid 5831] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 6341] <... exit_group resumed>) = ? [pid 5831] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5829] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6342 attached [pid 6341] +++ exited with 0 +++ [pid 5831] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6342] set_robust_list(0x555567654760, 24 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 6342] <... set_robust_list resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6341, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6342] chdir("./97" [pid 5831] getdents64(4, [pid 5830] getdents64(4, [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6342 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./95", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] close(4 [pid 6342] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6342] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] openat(AT_FDCWD, "./95", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] <... prctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] close(4 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./99/binderfs", [pid 6342] setpgid(0, 0 [pid 5833] newfstatat(3, "", [pid 6342] <... setpgid resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6342] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] getdents64(3, [pid 5831] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] unlink("./99/binderfs" [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./98/binderfs", [pid 6342] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./98/binderfs" [pid 5829] getdents64(3, [pid 6342] write(3, "1000", 4 [pid 5831] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6342] <... write resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 6342] close(3 [pid 5831] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5829] close(3 [pid 6342] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 6342] symlink("/dev/binderfs", "./binderfs" [pid 5831] unlink("./97/binderfs" [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./99" [pid 6342] <... symlink resumed>) = 0 executing program [pid 6342] write(1, "executing program\n", 18 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 6342] <... write resumed>) = 18 [pid 5831] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 6342] memfd_create("syzkaller", 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] rmdir("./98" [pid 5829] mkdir("./100", 0777 [pid 5831] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6342] <... memfd_create resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] rmdir("./97" [pid 6342] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] mkdir("./99", 0777 [pid 6342] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] umount2("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", [pid 5829] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] getdents64(4, [pid 5831] mkdir("./98", 0777 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] close(3 [pid 5833] getdents64(4, [pid 5830] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6342] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] close(4 [pid 5830] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6343 attached [pid 5833] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] close(3 [pid 5833] rmdir("./95/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 6343] set_robust_list(0x555567654760, 24 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6343] <... set_robust_list resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6343 [pid 6343] chdir("./100" [pid 5831] close(3./strace-static-x86_64: Process 6344 attached [pid 6343] <... chdir resumed>) = 0 [pid 5833] umount2("./95/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 6343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6343] <... prctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./95/binderfs", ./strace-static-x86_64: Process 6345 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6343] setpgid(0, 0) = 0 [pid 6345] set_robust_list(0x555567654760, 24 [pid 6344] set_robust_list(0x555567654760, 24 [pid 6343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] unlink("./95/binderfs" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6344 [pid 6344] <... set_robust_list resumed>) = 0 [pid 6345] <... set_robust_list resumed>) = 0 [pid 6344] chdir("./99" [pid 6343] <... openat resumed>) = 3 [pid 5833] <... unlink resumed>) = 0 [pid 6345] chdir("./98" [pid 5833] getdents64(3, [pid 6345] <... chdir resumed>) = 0 [pid 6343] write(3, "1000", 4 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6345] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6343] <... write resumed>) = 4 [pid 6345] <... prctl resumed>) = 0 [pid 6343] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6345 [pid 6345] setpgid(0, 0 [pid 6343] <... close resumed>) = 0 [pid 5833] close(3 [pid 6345] <... setpgid resumed>) = 0 [pid 6344] <... chdir resumed>) = 0 [pid 6343] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... close resumed>) = 0 [pid 6343] <... symlink resumed>) = 0 [pid 6345] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6344] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6342] <... write resumed>) = 524288 [pid 5833] rmdir("./95" [pid 6344] <... prctl resumed>) = 0 [pid 6344] setpgid(0, 0 [pid 5833] <... rmdir resumed>) = 0 executing program [pid 6345] <... openat resumed>) = 3 [pid 6344] <... setpgid resumed>) = 0 [pid 6343] write(1, "executing program\n", 18) = 18 [pid 6344] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6343] memfd_create("syzkaller", 0 [pid 5833] mkdir("./96", 0777 [pid 6344] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 6345] write(3, "1000", 4 [pid 6344] write(3, "1000", 4 [pid 6343] <... memfd_create resumed>) = 3 [pid 6345] <... write resumed>) = 4 [pid 6343] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6342] munmap(0x7fa6be400000, 138412032 [pid 6345] close(3 [pid 6344] <... write resumed>) = 4 [pid 6343] <... mmap resumed>) = 0x7fa6be400000 [pid 6342] <... munmap resumed>) = 0 [pid 6344] close(3 [pid 6345] <... close resumed>) = 0 [pid 6344] <... close resumed>) = 0 [pid 6342] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6344] symlink("/dev/binderfs", "./binderfs" [pid 6345] symlink("/dev/binderfs", "./binderfs" [pid 6344] <... symlink resumed>) = 0 [pid 6342] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 executing program [pid 6345] <... symlink resumed>) = 0 [pid 6342] ioctl(4, LOOP_SET_FD, 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6345] write(1, "executing program\n", 18executing program ) = 18 [pid 6344] write(1, "executing program\n", 18 [pid 5833] <... ioctl resumed>) = 0 [pid 6344] <... write resumed>) = 18 [pid 6343] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6345] memfd_create("syzkaller", 0) = 3 [pid 6345] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6344] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 6346 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6346 [pid 6346] set_robust_list(0x555567654760, 24) = 0 [pid 6346] chdir("./96") = 0 [pid 6346] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6346] setpgid(0, 0) = 0 [pid 6346] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6344] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6342] <... ioctl resumed>) = 0 [pid 6345] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6344] <... mmap resumed>) = 0x7fa6be400000 [pid 6346] write(3, "1000", 4 [pid 6342] close(3 [pid 6346] <... write resumed>) = 4 [pid 6342] <... close resumed>) = 0 [pid 6346] close(3 [pid 6342] close(4 [pid 6346] <... close resumed>) = 0 [pid 6343] <... write resumed>) = 524288 [pid 6342] <... close resumed>) = 0 [pid 6346] symlink("/dev/binderfs", "./binderfs" [pid 6343] munmap(0x7fa6be400000, 138412032 [pid 6342] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6346] <... symlink resumed>) = 0 [pid 6343] <... munmap resumed>) = 0 [pid 6342] <... mkdir resumed>) = 0 executing program [pid 6346] write(1, "executing program\n", 18 [pid 6345] <... write resumed>) = 524288 [pid 6344] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6346] <... write resumed>) = 18 [pid 6343] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6342] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6346] memfd_create("syzkaller", 0 [pid 6343] <... openat resumed>) = 4 [ 137.639711][ T6342] loop3: detected capacity change from 0 to 1024 [pid 6346] <... memfd_create resumed>) = 3 [pid 6343] ioctl(4, LOOP_SET_FD, 3 [pid 6346] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6346] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6345] munmap(0x7fa6be400000, 138412032) = 0 [pid 6345] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6343] <... ioctl resumed>) = 0 [pid 6343] close(3) = 0 [pid 6343] close(4) = 0 [pid 6343] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6345] <... openat resumed>) = 4 [pid 6343] <... mkdir resumed>) = 0 [pid 6345] ioctl(4, LOOP_SET_FD, 3 [pid 6343] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6342] <... mount resumed>) = 0 [pid 6344] <... write resumed>) = 524288 [pid 6342] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6344] munmap(0x7fa6be400000, 138412032 [pid 6342] <... openat resumed>) = 3 [pid 6342] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6345] <... ioctl resumed>) = 0 [pid 6342] <... chdir resumed>) = 0 [pid 6345] close(3 [pid 6342] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6346] <... write resumed>) = 524288 [pid 6345] <... close resumed>) = 0 [pid 6342] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6344] <... munmap resumed>) = 0 [pid 6345] close(4 [pid 6342] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6344] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6345] <... close resumed>) = 0 [pid 6345] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6345] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6346] munmap(0x7fa6be400000, 138412032) = 0 [pid 6344] <... openat resumed>) = 4 [pid 6342] <... mknod resumed>) = 0 [pid 6342] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6346] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6344] ioctl(4, LOOP_SET_FD, 3 [pid 6343] <... mount resumed>) = 0 [ 137.696711][ T6343] loop0: detected capacity change from 0 to 1024 [ 137.728944][ T6345] loop2: detected capacity change from 0 to 1024 [pid 6346] <... openat resumed>) = 4 [pid 6343] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6346] ioctl(4, LOOP_SET_FD, 3 [pid 6343] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6343] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6343] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6345] <... mount resumed>) = 0 [pid 6345] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6345] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6345] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6342] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6342] sync( [pid 6345] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6343] <... mknod resumed>) = 0 [pid 6343] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6345] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6343] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6344] <... ioctl resumed>) = 0 [pid 6343] sync( [pid 6345] <... mknod resumed>) = 0 [pid 6345] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6344] close(3) = 0 [pid 6344] close(4) = 0 [ 137.773992][ T6344] loop1: detected capacity change from 0 to 1024 [ 137.776200][ T6346] loop4: detected capacity change from 0 to 1024 [pid 6344] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6346] <... ioctl resumed>) = 0 [pid 6345] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6344] <... mkdir resumed>) = 0 [pid 6345] sync( [pid 6346] close(3 [pid 6344] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6346] <... close resumed>) = 0 [pid 6342] <... sync resumed>) = 0 [pid 6346] close(4) = 0 [pid 6346] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6342] exit_group(0) = ? [pid 6346] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6343] <... sync resumed>) = 0 [pid 6343] exit_group(0) = ? [pid 6342] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6342, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6343] +++ exited with 0 +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6343, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] getdents64(3, [pid 5832] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6346] <... mount resumed>) = 0 [pid 6346] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", [pid 6346] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6346] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6345] <... sync resumed>) = 0 [pid 6344] <... mount resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6345] exit_group(0 [pid 6344] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] getdents64(3, [pid 6346] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6345] <... exit_group resumed>) = ? [pid 6345] +++ exited with 0 +++ [pid 6344] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6344] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6344] <... chdir resumed>) = 0 [pid 5832] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6344] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6345, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6344] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6346] <... mknod resumed>) = 0 [pid 5829] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6344] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6346] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5831] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6346] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] rmdir("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6346] sync( [pid 6344] <... mknod resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6344] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 3 [pid 5829] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./100/binderfs", [pid 5831] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./100/binderfs" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3) = 0 [pid 5829] rmdir("./100") = 0 [pid 5829] mkdir("./101", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6344] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6344] sync(./strace-static-x86_64: Process 6347 attached [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6347 [pid 6347] set_robust_list(0x555567654760, 24) = 0 [pid 6347] chdir("./101") = 0 [pid 6347] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6347] setpgid(0, 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6347] <... setpgid resumed>) = 0 [pid 6347] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6346] <... sync resumed>) = 0 [pid 6344] <... sync resumed>) = 0 [pid 5832] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6344] exit_group(0) = ? [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6347] write(3, "1000", 4 [pid 6346] exit_group(0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6347] <... write resumed>) = 4 [pid 6346] <... exit_group resumed>) = ? [pid 5832] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6347] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6347] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6347] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", executing program [pid 6344] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6347] write(1, "executing program\n", 18) = 18 [pid 6347] memfd_create("syzkaller", 0) = 3 [pid 6346] +++ exited with 0 +++ [pid 5832] getdents64(4, [pid 6347] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6346, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6347] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6344, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5831] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] umount2("./96", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5831] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./96", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 5830] newfstatat(3, "", [pid 5832] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5831] getdents64(4, [pid 5830] getdents64(3, [pid 5833] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] unlink("./97/binderfs" [pid 5831] getdents64(4, [pid 5830] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... unlink resumed>) = 0 [pid 5833] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4) = 0 [pid 6347] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6347] <... write resumed>) = 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] close(3) = 0 [pid 5831] newfstatat(AT_FDCWD, "./98/binderfs", [pid 5832] rmdir("./97" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6347] munmap(0x7fa6be400000, 138412032 [pid 5831] unlink("./98/binderfs" [pid 6347] <... munmap resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6347] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6347] ioctl(4, LOOP_CLR_FD) = 0 [pid 6347] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6347] close(4) = 0 [pid 6347] close(3 [pid 5831] getdents64(3, [pid 5832] mkdir("./98", 0777 [pid 6347] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] close(3 [pid 5830] <... umount2 resumed>) = 0 [pid 6347] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] rmdir("./98" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6347] <... mknod resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] close(3 [pid 5830] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6347] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5831] mkdir("./99", 0777 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6347] <... link resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6347] sync( [pid 5833] openat(AT_FDCWD, "./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", ./strace-static-x86_64: Process 6348 attached [pid 5833] <... openat resumed>) = 4 [pid 6348] set_robust_list(0x555567654760, 24 [pid 5833] newfstatat(4, "", [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6348 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] getdents64(4, [pid 6348] <... set_robust_list resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6348] chdir("./98" [pid 5831] <... ioctl resumed>) = 0 [pid 5833] getdents64(4, [pid 6348] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] close(3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] getdents64(4, [pid 6348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./96/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] close(4./strace-static-x86_64: Process 6349 attached [pid 6348] <... prctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6348] setpgid(0, 0 [pid 6347] <... sync resumed>) = 0 [pid 5833] umount2("./96/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6349] set_robust_list(0x555567654760, 24 [pid 6347] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6347] <... exit_group resumed>) = ? [pid 5833] newfstatat(AT_FDCWD, "./96/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6349] <... set_robust_list resumed>) = 0 [pid 6348] <... setpgid resumed>) = 0 [pid 6347] +++ exited with 0 +++ [pid 5833] unlink("./96/binderfs" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6349 [pid 5830] <... rmdir resumed>) = 0 [pid 6348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6348] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6347, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6349] chdir("./99" [pid 6348] write(3, "1000", 4 [pid 5833] <... unlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./99/binderfs", [pid 5833] getdents64(3, [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6348] <... write resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 5830] unlink("./99/binderfs" [pid 5829] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6349] <... chdir resumed>) = 0 [pid 6348] close(3 [pid 5833] rmdir("./96" [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6348] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6349] <... prctl resumed>) = 0 [pid 5833] mkdir("./97", 0777 [pid 5829] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6349] setpgid(0, 0 [pid 6348] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 6349] <... setpgid resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] <... symlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6349] <... openat resumed>) = 3 [pid 6348] write(1, "executing program\n", 18 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] close(3 [pid 5829] getdents64(3, [pid 6349] write(3, "1000", 4 [pid 6348] <... write resumed>) = 18 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6349] <... write resumed>) = 4 [pid 6348] memfd_create("syzkaller", 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] rmdir("./99" [pid 5829] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6349] close(3 [pid 6348] <... memfd_create resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6349] <... close resumed>) = 0 [pid 6348] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] close(3 [pid 5830] mkdir("./100", 0777 [pid 5829] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6349] symlink("/dev/binderfs", "./binderfs" [pid 6348] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6349] <... symlink resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 5830] <... mkdir resumed>) = 0 [pid 5829] unlink("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6350 attached [pid 6349] write(1, "executing program\n", 18 [pid 5829] <... unlink resumed>) = 0 [pid 6349] <... write resumed>) = 18 [pid 5829] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6349] memfd_create("syzkaller", 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6350 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6350] set_robust_list(0x555567654760, 24 [pid 5829] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6350] <... set_robust_list resumed>) = 0 [pid 6349] <... memfd_create resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6350] chdir("./97" [pid 6349] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] unlink("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6350] <... chdir resumed>) = 0 [pid 6349] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... unlink resumed>) = 0 [pid 6350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6350] <... prctl resumed>) = 0 [pid 6350] setpgid(0, 0 [pid 5830] <... openat resumed>) = 3 [pid 6350] <... setpgid resumed>) = 0 [pid 6350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6348] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./101/binderfs" [pid 5830] close(3 [pid 5829] <... unlink resumed>) = 0 [pid 6350] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6350] write(3, "1000", 4) = 4 [pid 5829] getdents64(3, executing program ./strace-static-x86_64: Process 6351 attached [pid 6350] close(3 [pid 6349] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6350] <... close resumed>) = 0 [pid 5829] close(3 [pid 6350] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... close resumed>) = 0 [pid 6350] <... symlink resumed>) = 0 [pid 5829] rmdir("./101") = 0 [pid 6350] write(1, "executing program\n", 18) = 18 [pid 5829] mkdir("./102", 0777 [pid 6350] memfd_create("syzkaller", 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6350] <... memfd_create resumed>) = 3 [pid 6348] <... write resumed>) = 524288 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6350] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... openat resumed>) = 3 [pid 6350] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6351 [pid 6351] set_robust_list(0x555567654760, 24 [pid 6349] <... write resumed>) = 524288 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6351] <... set_robust_list resumed>) = 0 [pid 6348] munmap(0x7fa6be400000, 138412032 [pid 6351] chdir("./100" [pid 6348] <... munmap resumed>) = 0 [pid 6351] <... chdir resumed>) = 0 [pid 6351] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6352 attached [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6352 [pid 6352] set_robust_list(0x555567654760, 24) = 0 [pid 6352] chdir("./102") = 0 [pid 6352] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6352] setpgid(0, 0) = 0 [pid 6352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6351] <... prctl resumed>) = 0 [pid 6350] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6348] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6352] <... openat resumed>) = 3 [pid 6351] setpgid(0, 0) = 0 [pid 6350] <... write resumed>) = 524288 [pid 6352] write(3, "1000", 4) = 4 [pid 6352] close(3) = 0 [pid 6352] symlink("/dev/binderfs", "./binderfs" [pid 6351] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6352] <... symlink resumed>) = 0 [pid 6351] <... openat resumed>) = 3 [pid 6351] write(3, "1000", 4executing program [pid 6352] write(1, "executing program\n", 18 [pid 6351] <... write resumed>) = 4 [pid 6350] munmap(0x7fa6be400000, 138412032 [pid 6349] munmap(0x7fa6be400000, 138412032 [pid 6348] <... openat resumed>) = 4 [pid 6352] <... write resumed>) = 18 [pid 6352] memfd_create("syzkaller", 0) = 3 [pid 6352] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6348] ioctl(4, LOOP_SET_FD, 3 [pid 6352] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6348] <... ioctl resumed>) = 0 [pid 6350] <... munmap resumed>) = 0 [pid 6349] <... munmap resumed>) = 0 [pid 6351] close(3 [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6351] <... close resumed>) = 0 [pid 6350] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6349] ioctl(4, LOOP_SET_FD, 3 [pid 6350] <... openat resumed>) = 4 [pid 6352] <... write resumed>) = 524288 [pid 6352] munmap(0x7fa6be400000, 138412032) = 0 [pid 6351] symlink("/dev/binderfs", "./binderfs" [pid 6350] ioctl(4, LOOP_SET_FD, 3executing program [pid 6351] <... symlink resumed>) = 0 [pid 6350] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6351] write(1, "executing program\n", 18 [pid 6350] ioctl(4, LOOP_CLR_FD) = 0 [pid 6351] <... write resumed>) = 18 [pid 6352] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6351] memfd_create("syzkaller", 0 [pid 6352] <... openat resumed>) = 4 [pid 6351] <... memfd_create resumed>) = 3 [pid 6352] ioctl(4, LOOP_SET_FD, 3 [pid 6351] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6349] <... ioctl resumed>) = 0 [pid 6348] close(3 [pid 6350] ioctl(4, LOOP_SET_FD, 3 [pid 6349] close(3 [pid 6351] <... mmap resumed>) = 0x7fa6be400000 [pid 6348] <... close resumed>) = 0 [pid 6350] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6349] <... close resumed>) = 0 [pid 6348] close(4 [pid 6350] close(4 [pid 6349] close(4 [pid 6348] <... close resumed>) = 0 [pid 6349] <... close resumed>) = 0 [pid 6348] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6349] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6348] <... mkdir resumed>) = 0 [pid 6349] <... mkdir resumed>) = 0 [pid 6350] <... close resumed>) = 0 [pid 6349] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 138.259960][ T6348] loop3: detected capacity change from 0 to 1024 [ 138.281925][ T6349] loop2: detected capacity change from 0 to 1024 [pid 6348] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6351] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6350] close(3) = 0 [pid 6352] <... ioctl resumed>) = 0 [pid 6351] <... write resumed>) = 524288 [pid 6348] <... mount resumed>) = 0 [pid 6348] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6350] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6348] <... openat resumed>) = 3 [pid 6350] <... mknod resumed>) = 0 [pid 6348] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6348] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6348] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6352] close(3) = 0 [pid 6351] munmap(0x7fa6be400000, 138412032 [pid 6352] close(4) = 0 [pid 6351] <... munmap resumed>) = 0 [pid 6350] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6352] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6350] <... link resumed>) = 0 [pid 6349] <... mount resumed>) = 0 [pid 6352] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6351] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6348] <... mknod resumed>) = 0 [pid 6351] ioctl(4, LOOP_SET_FD, 3 [pid 6350] sync( [pid 6349] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6348] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6349] <... openat resumed>) = 3 [pid 6349] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6349] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6349] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6348] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6348] sync( [pid 6349] <... mknod resumed>) = 0 [pid 6349] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6351] <... ioctl resumed>) = 0 [pid 6351] close(3) = 0 [pid 6351] close(4) = 0 [pid 6352] <... mount resumed>) = 0 [pid 6351] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6349] <... link resumed>) = -1 ENOSPC (No space left on device) [ 138.328218][ T6352] loop0: detected capacity change from 0 to 1024 [ 138.367450][ T6351] loop1: detected capacity change from 0 to 1024 [pid 6352] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6351] <... mkdir resumed>) = 0 [pid 6349] sync( [pid 6352] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6351] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6352] <... chdir resumed>) = 0 [pid 6352] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6352] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6352] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6351] <... mount resumed>) = 0 [pid 6351] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6350] <... sync resumed>) = 0 [pid 6348] <... sync resumed>) = 0 [pid 6348] exit_group(0 [pid 6351] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6348] <... exit_group resumed>) = ? [pid 6350] exit_group(0 [pid 6348] +++ exited with 0 +++ [pid 6351] <... chdir resumed>) = 0 [pid 6351] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6348, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6351] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6350] <... exit_group resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6351] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6350] +++ exited with 0 +++ [pid 5832] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6350, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6352] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6352] sync( [pid 5833] umount2("./97", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./97", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6351] <... mknod resumed>) = 0 [pid 5833] getdents64(3, [pid 6351] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5833] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6349] <... sync resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6349] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6349] <... exit_group resumed>) = ? [pid 6349] +++ exited with 0 +++ [pid 5833] unlink("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6349, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] <... unlink resumed>) = 0 [pid 5832] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6351] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6351] sync( [pid 5833] newfstatat(AT_FDCWD, "./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./97/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... unlink resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./97/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6352] <... sync resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./97/binderfs", [pid 5832] close(4) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6352] exit_group(0 [pid 5833] unlink("./97/binderfs" [pid 5832] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6351] <... sync resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6351] exit_group(0 [pid 5832] <... rmdir resumed>) = 0 [pid 6352] <... exit_group resumed>) = ? [pid 6351] <... exit_group resumed>) = ? [pid 5833] getdents64(3, [pid 5832] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6352] +++ exited with 0 +++ [pid 5832] newfstatat(AT_FDCWD, "./98/binderfs", [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6352, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] <... close resumed>) = 0 [pid 5832] unlink("./98/binderfs" [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] rmdir("./97" [pid 5832] <... unlink resumed>) = 0 [pid 5831] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] mkdir("./98", 0777 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] close(3 [pid 5831] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./98" [pid 6351] +++ exited with 0 +++ [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6351, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] <... openat resumed>) = 4 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5832] mkdir("./99", 0777 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(3, "", [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(3 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6353 attached [pid 5832] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./99/binderfs", [pid 5830] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6353] set_robust_list(0x555567654760, 24 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6353] <... set_robust_list resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6353] chdir("./98" [pid 5832] close(3 [pid 6353] <... chdir resumed>) = 0 [pid 5831] unlink("./99/binderfs" [pid 6353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... close resumed>) = 0 [pid 6353] <... prctl resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6353 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6353] setpgid(0, 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3./strace-static-x86_64: Process 6354 attached ) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6354 [pid 5831] rmdir("./99" [pid 6354] set_robust_list(0x555567654760, 24 [pid 5831] <... rmdir resumed>) = 0 [pid 6354] <... set_robust_list resumed>) = 0 [pid 6354] chdir("./99" [pid 6353] <... setpgid resumed>) = 0 [pid 5831] mkdir("./100", 0777 [pid 6353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... mkdir resumed>) = 0 [pid 6354] <... chdir resumed>) = 0 [pid 6354] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6354] setpgid(0, 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6353] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = 0 [pid 6353] write(3, "1000", 4 [pid 6354] <... setpgid resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6353] <... write resumed>) = 4 [pid 6354] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6353] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6353] <... close resumed>) = 0 [pid 6354] <... openat resumed>) = 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6353] symlink("/dev/binderfs", "./binderfs" [pid 5831] close(3 [pid 6354] write(3, "1000", 4 [pid 5831] <... close resumed>) = 0 [pid 6354] <... write resumed>) = 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6355 attached [pid 6354] close(3 [pid 6353] <... symlink resumed>) = 0 [pid 5829] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6353] write(1, "executing program\n", 18executing program [pid 6355] set_robust_list(0x555567654760, 24 [pid 6354] <... close resumed>) = 0 [pid 6353] <... write resumed>) = 18 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6355] <... set_robust_list resumed>) = 0 [pid 6354] symlink("/dev/binderfs", "./binderfs" [pid 6353] memfd_create("syzkaller", 0 [pid 5829] newfstatat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6355] chdir("./100" [pid 6354] <... symlink resumed>) = 0 [pid 6353] <... memfd_create resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6353] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 6354] write(1, "executing program\n", 18 [pid 6353] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6355 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6354] <... write resumed>) = 18 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6354] memfd_create("syzkaller", 0 [pid 5829] openat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6354] <... memfd_create resumed>) = 3 [pid 5829] newfstatat(4, "", [pid 6355] <... chdir resumed>) = 0 [pid 5830] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6355] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6354] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] getdents64(4, [pid 6354] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6355] <... prctl resumed>) = 0 [pid 6354] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6353] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] close(4 [pid 6355] setpgid(0, 0 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6355] <... setpgid resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] close(4 [pid 5829] rmdir("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6355] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5830] rmdir("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6355] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./102/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./100/binderfs", [pid 5829] unlink("./102/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5830] unlink("./100/binderfs" [pid 5829] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6355] write(3, "1000", 4 [pid 5829] close(3 [pid 5830] close(3 [pid 6355] <... write resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6353] <... write resumed>) = 524288 [pid 6355] close(3 [pid 6353] munmap(0x7fa6be400000, 138412032 [pid 6355] <... close resumed>) = 0 [pid 6355] symlink("/dev/binderfs", "./binderfs" [pid 6354] <... write resumed>) = 524288 [pid 6353] <... munmap resumed>) = 0 [pid 5830] rmdir("./100" [pid 5829] rmdir("./102" [pid 6355] <... symlink resumed>) = 0 [pid 6353] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... rmdir resumed>) = 0 executing program [pid 6355] write(1, "executing program\n", 18 [pid 6353] <... openat resumed>) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] mkdir("./103", 0777 [pid 6355] <... write resumed>) = 18 [pid 6353] ioctl(4, LOOP_SET_FD, 3 [pid 5830] mkdir("./101", 0777 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] close(3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 6354] munmap(0x7fa6be400000, 138412032 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6356 attached [pid 6355] memfd_create("syzkaller", 0 [pid 6354] <... munmap resumed>) = 0 [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6356 [pid 6354] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6357 attached ) = 4 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6357 [pid 6354] ioctl(4, LOOP_SET_FD, 3 [pid 6357] set_robust_list(0x555567654760, 24 [pid 6355] <... memfd_create resumed>) = 3 [pid 6356] set_robust_list(0x555567654760, 24 [pid 6357] <... set_robust_list resumed>) = 0 [pid 6356] <... set_robust_list resumed>) = 0 [pid 6355] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6357] chdir("./101" [pid 6356] chdir("./103" [pid 6355] <... mmap resumed>) = 0x7fa6be400000 [pid 6357] <... chdir resumed>) = 0 [pid 6355] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6356] <... chdir resumed>) = 0 [pid 6357] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6357] setpgid(0, 0) = 0 [pid 6357] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6356] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6353] <... ioctl resumed>) = 0 [pid 6356] <... prctl resumed>) = 0 [pid 6353] close(3 [pid 6356] setpgid(0, 0 [pid 6353] <... close resumed>) = 0 [pid 6356] <... setpgid resumed>) = 0 [pid 6353] close(4 [pid 6357] <... openat resumed>) = 3 [pid 6356] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6353] <... close resumed>) = 0 [pid 6357] write(3, "1000", 4 [pid 6356] <... openat resumed>) = 3 [pid 6353] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6356] write(3, "1000", 4 [pid 6357] <... write resumed>) = 4 [pid 6357] close(3) = 0 [pid 6356] <... write resumed>) = 4 [pid 6353] <... mkdir resumed>) = 0 [pid 6357] symlink("/dev/binderfs", "./binderfs" [pid 6356] close(3 [pid 6357] <... symlink resumed>) = 0 [pid 6353] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""executing program [pid 6357] write(1, "executing program\n", 18 [pid 6356] <... close resumed>) = 0 [pid 6357] <... write resumed>) = 18 [pid 6356] symlink("/dev/binderfs", "./binderfs" [pid 6357] memfd_create("syzkaller", 0 [pid 6354] <... ioctl resumed>) = 0 [pid 6357] <... memfd_create resumed>) = 3 [pid 6356] <... symlink resumed>) = 0 [pid 6354] close(3 [pid 6357] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 6356] write(1, "executing program\n", 18 [pid 6354] <... close resumed>) = 0 [pid 6357] <... mmap resumed>) = 0x7fa6be400000 [pid 6356] <... write resumed>) = 18 [pid 6354] close(4 [pid 6356] memfd_create("syzkaller", 0 [pid 6354] <... close resumed>) = 0 [pid 6353] <... mount resumed>) = 0 [pid 6356] <... memfd_create resumed>) = 3 [pid 6353] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6354] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6353] <... openat resumed>) = 3 [pid 6354] <... mkdir resumed>) = 0 [ 138.665303][ T6353] loop4: detected capacity change from 0 to 1024 [ 138.679851][ T6354] loop3: detected capacity change from 0 to 1024 [pid 6354] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6357] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6356] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6355] <... write resumed>) = 524288 [pid 6353] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6355] munmap(0x7fa6be400000, 138412032 [pid 6353] <... chdir resumed>) = 0 [pid 6353] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6356] <... mmap resumed>) = 0x7fa6be400000 [pid 6355] <... munmap resumed>) = 0 [pid 6353] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6353] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6355] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6357] <... write resumed>) = 524288 [pid 6355] <... openat resumed>) = 4 [pid 6353] <... mknod resumed>) = 0 [pid 6353] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6355] ioctl(4, LOOP_SET_FD, 3 [pid 6357] munmap(0x7fa6be400000, 138412032 [pid 6356] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6357] <... munmap resumed>) = 0 [pid 6357] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6353] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6353] sync( [pid 6357] <... openat resumed>) = 4 [pid 6357] ioctl(4, LOOP_SET_FD, 3 [pid 6355] <... ioctl resumed>) = 0 [pid 6355] close(3) = 0 [pid 6355] close(4 [pid 6356] <... write resumed>) = 524288 [pid 6355] <... close resumed>) = 0 [pid 6354] <... mount resumed>) = 0 [pid 6356] munmap(0x7fa6be400000, 138412032 [pid 6355] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6354] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6356] <... munmap resumed>) = 0 [pid 6355] <... mkdir resumed>) = 0 [pid 6354] <... openat resumed>) = 3 [ 138.756672][ T6355] loop2: detected capacity change from 0 to 1024 [ 138.771090][ T6357] loop1: detected capacity change from 0 to 1024 [pid 6355] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6357] <... ioctl resumed>) = 0 [pid 6356] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6354] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6357] close(3 [pid 6356] <... openat resumed>) = 4 [pid 6354] <... chdir resumed>) = 0 [pid 6357] <... close resumed>) = 0 [pid 6356] ioctl(4, LOOP_SET_FD, 3 [pid 6354] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6354] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6357] close(4 [pid 6354] <... mknod resumed>) = 0 [pid 6357] <... close resumed>) = 0 [pid 6354] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6357] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6357] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6354] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6356] <... ioctl resumed>) = 0 [pid 6354] sync( [pid 6356] close(3) = 0 [pid 6356] close(4) = 0 [pid 6355] <... mount resumed>) = 0 [pid 6355] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6357] <... mount resumed>) = 0 [pid 6356] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6355] <... openat resumed>) = 3 [pid 6357] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6356] <... mkdir resumed>) = 0 [pid 6355] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6353] <... sync resumed>) = 0 [pid 6357] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6356] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6353] exit_group(0 [pid 6357] <... chdir resumed>) = 0 [pid 6355] <... chdir resumed>) = 0 [pid 6353] <... exit_group resumed>) = ? [pid 6357] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6355] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6357] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6355] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6357] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6355] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6357] <... mknod resumed>) = 0 [ 138.804737][ T6356] loop0: detected capacity change from 0 to 1024 [pid 6357] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6356] <... mount resumed>) = 0 [pid 6353] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6353, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6356] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6355] <... mknod resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6356] <... openat resumed>) = 3 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6356] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6355] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6356] <... chdir resumed>) = 0 [pid 6356] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./98", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./98", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6356] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 6357] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6356] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6357] sync( [pid 6356] <... mknod resumed>) = 0 [pid 5833] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6356] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6354] <... sync resumed>) = 0 [pid 6354] exit_group(0 [pid 6356] sync( [pid 6354] <... exit_group resumed>) = ? [pid 6355] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6354] +++ exited with 0 +++ [pid 6355] sync( [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6354, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6357] <... sync resumed>) = 0 [pid 6357] exit_group(0) = ? [pid 6356] <... sync resumed>) = 0 [pid 6355] <... sync resumed>) = 0 [pid 5833] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6355] exit_group(0) = ? [pid 5833] newfstatat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6356] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6357] +++ exited with 0 +++ [pid 6356] <... exit_group resumed>) = ? [pid 6355] +++ exited with 0 +++ [pid 5833] umount2("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6355, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6357, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] <... umount2 resumed>) = 0 [pid 6356] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6356, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(4, "", [pid 5831] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 4 [pid 5831] newfstatat(3, "", [pid 5830] newfstatat(3, "", [pid 5829] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(3, "", [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(3, [pid 5830] getdents64(3, [pid 5833] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] getdents64(3, [pid 5833] rmdir("./98/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./98/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./98/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./98/binderfs" [pid 5832] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./99/binderfs", [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(3, [pid 5832] unlink("./99/binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(3) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("./98" [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./99" [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] mkdir("./99", 0777 [pid 5831] openat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./100", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5833] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... ioctl resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 5833] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(4, "", [pid 5833] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] close(4 [pid 5830] openat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5832] close(3 [pid 5830] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5831] rmdir("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6358 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6358 [pid 6358] set_robust_list(0x555567654760, 24 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6358] <... set_robust_list resumed>) = 0 [pid 5831] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6358] chdir("./99" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5829] close(4 [pid 5831] newfstatat(AT_FDCWD, "./100/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... close resumed>) = 0 [pid 5831] unlink("./100/binderfs" [pid 5830] getdents64(4, [pid 5829] rmdir("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6359 attached [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6359] set_robust_list(0x555567654760, 24 [pid 6358] <... chdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6359 [pid 5831] getdents64(3, [pid 5829] <... rmdir resumed>) = 0 [pid 6358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6358] <... prctl resumed>) = 0 [pid 5831] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6358] setpgid(0, 0 [pid 5831] <... close resumed>) = 0 [pid 5830] close(4 [pid 5829] newfstatat(AT_FDCWD, "./103/binderfs", [pid 6359] <... set_robust_list resumed>) = 0 [pid 6358] <... setpgid resumed>) = 0 [pid 5831] rmdir("./100" [pid 5830] <... close resumed>) = 0 [pid 6359] chdir("./100" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6359] <... chdir resumed>) = 0 [pid 6358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6359] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... rmdir resumed>) = 0 [pid 5829] unlink("./103/binderfs" [pid 6358] <... openat resumed>) = 3 [pid 5831] mkdir("./101", 0777 [pid 6359] <... prctl resumed>) = 0 [pid 6358] write(3, "1000", 4 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... unlink resumed>) = 0 [pid 6358] <... write resumed>) = 4 [pid 6358] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6358] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 6359] setpgid(0, 0 [pid 6358] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6358] <... symlink resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 5831] close(3 [pid 5830] newfstatat(AT_FDCWD, "./101/binderfs", [pid 5829] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6359] <... setpgid resumed>) = 0 [pid 5830] unlink("./101/binderfs") = 0 [pid 6359] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 ./strace-static-x86_64: Process 6360 attached executing program [pid 6359] <... openat resumed>) = 3 [pid 6358] write(1, "executing program\n", 18 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6360 [pid 5829] rmdir("./103" [pid 5830] rmdir("./101" [pid 6360] set_robust_list(0x555567654760, 24 [pid 6359] write(3, "1000", 4 [pid 6358] <... write resumed>) = 18 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6359] <... write resumed>) = 4 [pid 6359] close(3) = 0 [pid 5830] mkdir("./102", 0777 [pid 6360] <... set_robust_list resumed>) = 0 [pid 6358] memfd_create("syzkaller", 0 [pid 6360] chdir("./101" [pid 6358] <... memfd_create resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] mkdir("./104", 0777 [pid 6358] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6359] symlink("/dev/binderfs", "./binderfs" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6359] <... symlink resumed>) = 0 [pid 6358] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 executing program [pid 6360] <... chdir resumed>) = 0 [pid 6359] write(1, "executing program\n", 18 [pid 6358] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6359] <... write resumed>) = 18 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6360] <... prctl resumed>) = 0 [pid 6360] setpgid(0, 0 [pid 6359] memfd_create("syzkaller", 0 [pid 5830] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6359] <... memfd_create resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6360] <... setpgid resumed>) = 0 [pid 6359] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] close(3./strace-static-x86_64: Process 6361 attached [pid 6360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6359] <... mmap resumed>) = 0x7fa6be400000 [pid 6358] <... write resumed>) = 524288 [pid 5829] <... close resumed>) = 0 [pid 6360] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6361 ./strace-static-x86_64: Process 6362 attached [pid 6361] set_robust_list(0x555567654760, 24) = 0 [pid 6359] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6362] set_robust_list(0x555567654760, 24 [pid 6361] chdir("./102" [pid 6360] write(3, "1000", 4 [pid 6361] <... chdir resumed>) = 0 [pid 6362] <... set_robust_list resumed>) = 0 [pid 6361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6360] <... write resumed>) = 4 [pid 6358] munmap(0x7fa6be400000, 138412032 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6362 [pid 6361] <... prctl resumed>) = 0 [pid 6362] chdir("./104" [pid 6361] setpgid(0, 0 [pid 6360] close(3 [pid 6358] <... munmap resumed>) = 0 [pid 6362] <... chdir resumed>) = 0 [pid 6361] <... setpgid resumed>) = 0 [pid 6360] <... close resumed>) = 0 [pid 6358] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6360] symlink("/dev/binderfs", "./binderfs" [pid 6362] <... prctl resumed>) = 0 [pid 6361] <... openat resumed>) = 3 [pid 6360] <... symlink resumed>) = 0 [pid 6359] <... write resumed>) = 524288 [pid 6362] setpgid(0, 0 [pid 6361] write(3, "1000", 4) = 4 [pid 6362] <... setpgid resumed>) = 0 [pid 6361] close(3) = 0 [pid 6361] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 6362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6361] <... symlink resumed>) = 0 [pid 6360] write(1, "executing program\n", 18 [pid 6358] <... openat resumed>) = 4 [pid 6360] <... write resumed>) = 18 [pid 6358] ioctl(4, LOOP_SET_FD, 3 [pid 6362] <... openat resumed>) = 3 [pid 6361] write(1, "executing program\n", 18 [pid 6362] write(3, "1000", 4 [pid 6361] <... write resumed>) = 18 [pid 6360] memfd_create("syzkaller", 0 [pid 6362] <... write resumed>) = 4 [pid 6361] memfd_create("syzkaller", 0 [pid 6360] <... memfd_create resumed>) = 3 [pid 6362] close(3 [pid 6361] <... memfd_create resumed>) = 3 [pid 6359] munmap(0x7fa6be400000, 138412032 [pid 6362] <... close resumed>) = 0 [pid 6360] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6361] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6359] <... munmap resumed>) = 0 [pid 6361] <... mmap resumed>) = 0x7fa6be400000 [pid 6359] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6359] ioctl(4, LOOP_CLR_FD) = 0 [pid 6362] symlink("/dev/binderfs", "./binderfs" [pid 6360] <... mmap resumed>) = 0x7fa6be400000 [pid 6359] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6362] <... symlink resumed>) = 0 [pid 6359] close(4) = 0 [pid 6359] close(3 [pid 6361] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6360] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6359] <... close resumed>) = 0 [pid 6362] write(1, "executing program\n", 18 [pid 6361] <... write resumed>) = 524288 [pid 6359] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6362] <... write resumed>) = 18 [pid 6359] <... mknod resumed>) = 0 [pid 6362] memfd_create("syzkaller", 0) = 3 [pid 6360] <... write resumed>) = 524288 [pid 6359] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6362] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6361] munmap(0x7fa6be400000, 138412032 [pid 6362] <... mmap resumed>) = 0x7fa6be400000 [pid 6361] <... munmap resumed>) = 0 [pid 6362] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6359] <... link resumed>) = 0 [pid 6361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6359] sync( [pid 6361] <... openat resumed>) = 4 [pid 6361] ioctl(4, LOOP_SET_FD, 3 [pid 6360] munmap(0x7fa6be400000, 138412032 [pid 6358] <... ioctl resumed>) = 0 [pid 6360] <... munmap resumed>) = 0 [pid 6358] close(3 [pid 6360] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6358] <... close resumed>) = 0 [pid 6360] <... openat resumed>) = 4 [pid 6358] close(4 [pid 6360] ioctl(4, LOOP_SET_FD, 3 [pid 6358] <... close resumed>) = 0 [pid 6358] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6359] <... sync resumed>) = 0 [pid 6359] exit_group(0) = ? [pid 6358] <... mkdir resumed>) = 0 [pid 6358] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6359] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6359, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6361] <... ioctl resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 6362] <... write resumed>) = 524288 [pid 6360] <... ioctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6362] munmap(0x7fa6be400000, 138412032 [pid 6360] close(3 [pid 6361] close(3 [pid 5832] getdents64(3, [pid 6361] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6362] <... munmap resumed>) = 0 [pid 6361] close(4 [pid 6360] <... close resumed>) = 0 [pid 5832] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6362] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6361] <... close resumed>) = 0 [pid 6360] close(4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6361] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6362] <... openat resumed>) = 4 [pid 6361] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 139.216538][ T6358] loop4: detected capacity change from 0 to 1024 [ 139.244051][ T6361] loop1: detected capacity change from 0 to 1024 [ 139.258885][ T6360] loop2: detected capacity change from 0 to 1024 [pid 6362] ioctl(4, LOOP_SET_FD, 3 [pid 6361] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] unlink("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6360] <... close resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6360] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6358] <... mount resumed>) = 0 [pid 5832] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6358] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6360] <... mkdir resumed>) = 0 [pid 6358] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6358] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] newfstatat(AT_FDCWD, "./100/binderfs", [pid 6362] <... ioctl resumed>) = 0 [pid 6360] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6358] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./100/binderfs" [pid 6362] close(3 [pid 6361] <... mount resumed>) = 0 [pid 6358] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... unlink resumed>) = 0 [pid 6362] <... close resumed>) = 0 [pid 6358] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6362] close(4) = 0 [pid 6361] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] getdents64(3, [pid 6362] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6361] <... openat resumed>) = 3 [pid 6358] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6361] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] close(3 [pid 6361] <... chdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./100" [pid 6362] <... mkdir resumed>) = 0 [pid 6361] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6358] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 6362] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6361] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] mkdir("./101", 0777 [pid 6361] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6358] <... link resumed>) = -1 ENOSPC (No space left on device) [ 139.292377][ T6362] loop0: detected capacity change from 0 to 1024 [pid 6358] sync( [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6360] <... mount resumed>) = 0 [pid 6360] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6361] <... mknod resumed>) = 0 [pid 6360] <... openat resumed>) = 3 [pid 6360] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6363 attached [pid 6361] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6360] <... chdir resumed>) = 0 [pid 6360] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6360] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6363] set_robust_list(0x555567654760, 24 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6363 [pid 6363] <... set_robust_list resumed>) = 0 [pid 6363] chdir("./101") = 0 [pid 6363] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6363] setpgid(0, 0) = 0 [pid 6363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6362] <... mount resumed>) = 0 [pid 6360] <... mknod resumed>) = 0 [pid 6363] <... openat resumed>) = 3 [pid 6361] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6363] write(3, "1000", 4 [pid 6361] sync( [pid 6360] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6362] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6363] <... write resumed>) = 4 [pid 6362] <... openat resumed>) = 3 [pid 6363] close(3) = 0 [pid 6363] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6363] write(1, "executing program\n", 18) = 18 [pid 6363] memfd_create("syzkaller", 0) = 3 [pid 6363] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6362] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6362] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6363] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6362] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6360] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6362] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6363] <... write resumed>) = 524288 [pid 6360] sync( [pid 6362] <... mknod resumed>) = 0 [pid 6362] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6363] munmap(0x7fa6be400000, 138412032) = 0 [pid 6358] <... sync resumed>) = 0 [pid 6363] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6358] exit_group(0) = ? [pid 6362] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6362] sync( [pid 6361] <... sync resumed>) = 0 [pid 6363] ioctl(4, LOOP_SET_FD, 3 [pid 6361] exit_group(0 [pid 6358] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6358, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6361] <... exit_group resumed>) = ? [pid 6361] +++ exited with 0 +++ [pid 6360] <... sync resumed>) = 0 [pid 5833] umount2("./99", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6361, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6362] <... sync resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./99", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6360] exit_group(0 [pid 5830] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", [pid 6362] exit_group(0 [pid 6360] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 6360] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... openat resumed>) = 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6360, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [ 139.453405][ T6363] loop3: detected capacity change from 0 to 1024 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6362] <... exit_group resumed>) = ? [pid 5830] newfstatat(3, "", [pid 6363] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6363] close(3) = 0 [pid 6363] close(4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6363] <... close resumed>) = 0 [pid 6363] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6363] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "") = 0 [pid 6363] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6363] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6363] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6363] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6362] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6362, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6363] <... mknod resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6363] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6363] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6363] sync( [pid 5833] <... umount2 resumed>) = 0 [pid 5831] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6363] <... sync resumed>) = 0 [pid 5833] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6363] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6363] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6363] +++ exited with 0 +++ [pid 5833] umount2("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6363, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", [pid 5833] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(4 [pid 5830] openat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5833] rmdir("./99/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] getdents64(4, [pid 5831] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5830] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] rmdir("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./99/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(4, "", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./99/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./102/binderfs", [pid 5829] getdents64(4, [pid 5831] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] unlink("./99/binderfs" [pid 5831] rmdir("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] getdents64(4, [pid 5830] unlink("./102/binderfs" [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5832] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(4 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(AT_FDCWD, "./101/binderfs", [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] rmdir("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./102" [pid 5833] getdents64(3, [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 5829] newfstatat(AT_FDCWD, "./104/binderfs", [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] unlink("./101/binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] rmdir("./99" [pid 5831] <... unlink resumed>) = 0 [pid 5830] mkdir("./103", 0777 [pid 5829] unlink("./104/binderfs" [pid 5833] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5832] getdents64(4, [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 5831] close(3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5829] rmdir("./104" [pid 5831] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] rmdir("./101" [pid 5832] rmdir("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5832] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./101/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./101/binderfs" [pid 5831] mkdir("./102", 0777 [pid 5833] mkdir("./100", 0777 [pid 5830] close(3 [pid 5829] mkdir("./105", 0777 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6364 attached [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5832] rmdir("./101" [pid 5833] <... openat resumed>) = 3 [pid 6364] set_robust_list(0x555567654760, 24 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6364 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6364] <... set_robust_list resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6364] chdir("./103" [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5832] mkdir("./102", 0777 [pid 5829] close(3 [pid 5831] close(3 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... mkdir resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6365 attached [pid 6364] <... chdir resumed>) = 0 [pid 5833] close(3 [pid 6364] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6364] <... prctl resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6365 [pid 6365] set_robust_list(0x555567654760, 24 [pid 6364] setpgid(0, 0./strace-static-x86_64: Process 6366 attached [pid 6365] <... set_robust_list resumed>) = 0 [pid 6364] <... setpgid resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6365] chdir("./102" [pid 5832] <... ioctl resumed>) = 0 [pid 6365] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] close(3 [pid 6366] set_robust_list(0x555567654760, 24 [pid 6365] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6364] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... close resumed>) = 0 [pid 6365] <... prctl resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6367 attached [pid 6366] <... set_robust_list resumed>) = 0 [pid 6365] setpgid(0, 0 [pid 6364] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6366 [pid 6366] chdir("./105" [pid 6365] <... setpgid resumed>) = 0 [pid 6364] write(3, "1000", 4 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6364] <... write resumed>) = 4 [pid 6367] set_robust_list(0x555567654760, 24 [pid 6365] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6368 attached [pid 6367] <... set_robust_list resumed>) = 0 [pid 6364] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6367 [pid 6365] <... openat resumed>) = 3 [pid 6366] <... chdir resumed>) = 0 [pid 6364] <... close resumed>) = 0 [pid 6368] set_robust_list(0x555567654760, 24 [pid 6366] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] write(3, "1000", 4 [pid 6364] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6368 [pid 6368] <... set_robust_list resumed>) = 0 [pid 6368] chdir("./100" [pid 6366] <... prctl resumed>) = 0 [pid 6365] <... write resumed>) = 4 [pid 6364] <... symlink resumed>) = 0 executing program executing program [pid 6368] <... chdir resumed>) = 0 [pid 6367] chdir("./102" [pid 6366] setpgid(0, 0 [pid 6364] write(1, "executing program\n", 18 [pid 6368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6364] <... write resumed>) = 18 [pid 6368] <... prctl resumed>) = 0 [pid 6366] <... setpgid resumed>) = 0 [pid 6368] setpgid(0, 0 [pid 6367] <... chdir resumed>) = 0 [pid 6365] close(3) = 0 [pid 6366] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] symlink("/dev/binderfs", "./binderfs" [pid 6368] <... setpgid resumed>) = 0 [pid 6367] <... prctl resumed>) = 0 [pid 6366] <... openat resumed>) = 3 [pid 6365] <... symlink resumed>) = 0 [pid 6364] memfd_create("syzkaller", 0 [pid 6366] write(3, "1000", 4 [pid 6368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6367] setpgid(0, 0 [pid 6366] <... write resumed>) = 4 [pid 6365] write(1, "executing program\n", 18 [pid 6366] close(3 [pid 6364] <... memfd_create resumed>) = 3 [pid 6367] <... setpgid resumed>) = 0 [pid 6365] <... write resumed>) = 18 [pid 6366] <... close resumed>) = 0 [pid 6364] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6368] <... openat resumed>) = 3 [pid 6367] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6366] symlink("/dev/binderfs", "./binderfs" [pid 6365] memfd_create("syzkaller", 0 [pid 6364] <... mmap resumed>) = 0x7fa6be400000 [pid 6367] <... openat resumed>) = 3 [pid 6365] <... memfd_create resumed>) = 3 [pid 6367] write(3, "1000", 4 [pid 6365] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6367] <... write resumed>) = 4 [pid 6365] <... mmap resumed>) = 0x7fa6be400000 executing program [pid 6367] close(3 [pid 6366] <... symlink resumed>) = 0 [pid 6366] write(1, "executing program\n", 18) = 18 [pid 6367] <... close resumed>) = 0 [pid 6367] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6368] write(3, "1000", 4 [pid 6367] write(1, "executing program\n", 18 [pid 6366] memfd_create("syzkaller", 0executing program [pid 6364] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6368] <... write resumed>) = 4 [pid 6366] <... memfd_create resumed>) = 3 [pid 6368] close(3) = 0 [pid 6367] <... write resumed>) = 18 [pid 6366] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6368] symlink("/dev/binderfs", "./binderfs" [pid 6367] memfd_create("syzkaller", 0) = 3 [pid 6367] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6368] <... symlink resumed>) = 0 [pid 6364] <... write resumed>) = 524288 [pid 6368] write(1, "executing program\n", 18 [pid 6365] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6368] <... write resumed>) = 18 [pid 6365] <... write resumed>) = 524288 [pid 6368] memfd_create("syzkaller", 0 [pid 6367] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6366] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6364] munmap(0x7fa6be400000, 138412032 [pid 6368] <... memfd_create resumed>) = 3 [pid 6368] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6364] <... munmap resumed>) = 0 [pid 6368] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6364] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6365] munmap(0x7fa6be400000, 138412032) = 0 [pid 6365] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6365] ioctl(4, LOOP_SET_FD, 3 [pid 6364] ioctl(4, LOOP_SET_FD, 3 [pid 6366] <... write resumed>) = 524288 [pid 6364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6364] ioctl(4, LOOP_CLR_FD) = 0 [pid 6366] munmap(0x7fa6be400000, 138412032 [pid 6364] ioctl(4, LOOP_SET_FD, 3 [pid 6367] <... write resumed>) = 524288 [pid 6368] <... write resumed>) = 524288 [pid 6366] <... munmap resumed>) = 0 [pid 6364] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6364] close(4 [pid 6367] munmap(0x7fa6be400000, 138412032) = 0 [pid 6367] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6367] ioctl(4, LOOP_CLR_FD) = 0 [pid 6367] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6367] close(4 [pid 6366] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6368] munmap(0x7fa6be400000, 138412032 [pid 6367] <... close resumed>) = 0 [pid 6367] close(3 [pid 6368] <... munmap resumed>) = 0 [pid 6367] <... close resumed>) = 0 [pid 6366] <... openat resumed>) = 4 [pid 6364] <... close resumed>) = 0 [ 139.805264][ T6365] loop2: detected capacity change from 0 to 1024 [pid 6368] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6366] ioctl(4, LOOP_SET_FD, 3 [pid 6364] close(3 [pid 6368] <... openat resumed>) = 4 [pid 6365] <... ioctl resumed>) = 0 [pid 6367] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6368] ioctl(4, LOOP_SET_FD, 3 [pid 6367] <... mknod resumed>) = 0 [pid 6365] close(3) = 0 [pid 6365] close(4) = 0 [pid 6367] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6365] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6367] <... link resumed>) = 0 [pid 6365] <... mkdir resumed>) = 0 [pid 6367] sync( [pid 6365] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6368] <... ioctl resumed>) = 0 [pid 6365] <... mount resumed>) = 0 [pid 6365] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6364] <... close resumed>) = 0 [pid 6365] <... openat resumed>) = 3 [pid 6364] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6365] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6365] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6364] <... mknod resumed>) = 0 [pid 6368] close(3 [pid 6366] <... ioctl resumed>) = 0 [pid 6364] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6368] <... close resumed>) = 0 [pid 6366] close(3 [pid 6367] <... sync resumed>) = 0 [pid 6365] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6364] <... link resumed>) = 0 [pid 6367] exit_group(0 [pid 6364] sync( [pid 6366] <... close resumed>) = 0 [pid 6368] close(4 [pid 6366] close(4 [pid 6368] <... close resumed>) = 0 [pid 6366] <... close resumed>) = 0 [ 139.853451][ T6366] loop0: detected capacity change from 0 to 1024 [ 139.861026][ T6368] loop4: detected capacity change from 0 to 1024 [pid 6368] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6367] <... exit_group resumed>) = ? [pid 6366] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6368] <... mkdir resumed>) = 0 [pid 6367] +++ exited with 0 +++ [pid 6368] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6366] <... mkdir resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6367, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6366] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6365] <... mknod resumed>) = 0 [pid 6365] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5832] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6368] <... mount resumed>) = 0 [pid 6366] <... mount resumed>) = 0 [pid 5832] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6366] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6368] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6366] <... openat resumed>) = 3 [pid 6365] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] newfstatat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6368] <... openat resumed>) = 3 [pid 6368] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6366] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6368] <... chdir resumed>) = 0 [pid 6366] <... chdir resumed>) = 0 [pid 6368] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6366] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6368] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6366] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6365] sync( [pid 5832] unlink("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6366] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... unlink resumed>) = 0 [pid 5832] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6368] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6366] <... mknod resumed>) = 0 [pid 6366] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./102/binderfs") = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./102") = 0 [pid 5832] mkdir("./103", 0777 [pid 6368] <... mknod resumed>) = 0 [pid 6366] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6368] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6366] sync( [pid 5832] <... mkdir resumed>) = 0 [pid 6364] <... sync resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6364] exit_group(0 [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5832] close(3 [pid 6364] <... exit_group resumed>) = ? [pid 5832] <... close resumed>) = 0 [pid 6364] +++ exited with 0 +++ [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6364, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6369 attached [pid 6368] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6368] sync( [pid 6369] set_robust_list(0x555567654760, 24) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6369 [pid 6369] chdir("./103") = 0 [pid 6365] <... sync resumed>) = 0 [pid 6365] exit_group(0) = ? [pid 6369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6365] +++ exited with 0 +++ [pid 5830] <... restart_syscall resumed>) = 0 [pid 6369] <... prctl resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6365, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6369] setpgid(0, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6369] <... setpgid resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6369] write(3, "1000", 4 [pid 5830] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6369] <... write resumed>) = 4 [pid 6366] <... sync resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6369] close(3 [pid 6366] exit_group(0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6366] <... exit_group resumed>) = ? [pid 6369] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6369] symlink("/dev/binderfs", "./binderfs" [pid 6366] +++ exited with 0 +++ [pid 5831] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 executing program [pid 6369] <... symlink resumed>) = 0 [pid 6368] <... sync resumed>) = 0 [pid 5830] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6369] write(1, "executing program\n", 18) = 18 [pid 6368] exit_group(0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6366, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6369] memfd_create("syzkaller", 0 [pid 5830] newfstatat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6369] <... memfd_create resumed>) = 3 [pid 6368] <... exit_group resumed>) = ? [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] unlink("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6369] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] newfstatat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6369] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6369] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] unlink("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6368] +++ exited with 0 +++ [pid 5830] <... unlink resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6368, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./103/binderfs", [pid 5833] umount2("./100", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./103/binderfs" [pid 5833] openat(AT_FDCWD, "./100", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 5833] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 6369] <... write resumed>) = 524288 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./103" [pid 5829] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5833] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./104", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 5829] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] openat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] close(4 [pid 5829] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6369] munmap(0x7fa6be400000, 138412032 [pid 5833] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] getdents64(4, [pid 6369] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5829] close(4 [pid 6369] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./102/binderfs", [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... close resumed>) = 0 ./strace-static-x86_64: Process 6370 attached [pid 6369] <... openat resumed>) = 4 [pid 5833] openat(AT_FDCWD, "./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] rmdir("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6369] ioctl(4, LOOP_SET_FD, 3 [pid 5831] unlink("./102/binderfs" [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 5829] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(4, "", [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6370 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6370] set_robust_list(0x555567654760, 24 [pid 5833] getdents64(4, [pid 5831] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./105/binderfs", [pid 6370] <... set_robust_list resumed>) = 0 [pid 6369] <... ioctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./102" [pid 6370] chdir("./104") = 0 [pid 5833] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 5829] unlink("./105/binderfs" [pid 6370] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] mkdir("./103", 0777 [pid 5829] <... unlink resumed>) = 0 [pid 5833] close(4 [pid 5829] getdents64(3, [pid 6370] <... prctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6370] setpgid(0, 0 [pid 5833] rmdir("./100/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] close(3 [pid 6370] <... setpgid resumed>) = 0 [pid 6370] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] rmdir("./105" [pid 6370] <... openat resumed>) = 3 [pid 5833] umount2("./100/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6370] write(3, "1000", 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 6370] <... write resumed>) = 4 [pid 6370] close(3 [pid 5831] <... close resumed>) = 0 [pid 6369] close(3 [pid 5833] newfstatat(AT_FDCWD, "./100/binderfs", [pid 5829] mkdir("./106", 0777 [pid 6369] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6370] <... close resumed>) = 0 [pid 6369] close(4 [pid 5833] unlink("./100/binderfs" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6369] <... close resumed>) = 0 [pid 6369] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... unlink resumed>) = 0 [pid 6369] <... mkdir resumed>) = 0 [pid 5833] getdents64(3, [pid 6369] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./100" [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5833] mkdir("./101", 0777 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6372 attached ./strace-static-x86_64: Process 6371 attached [pid 6370] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... mkdir resumed>) = 0 [pid 6372] set_robust_list(0x555567654760, 24executing program ) = 0 [pid 6371] set_robust_list(0x555567654760, 24 [pid 6370] <... symlink resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6371 [pid 6372] chdir("./106" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6371] <... set_robust_list resumed>) = 0 [pid 6370] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 3 [pid 6371] chdir("./103" [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6372 [pid 6372] <... chdir resumed>) = 0 [pid 6370] <... write resumed>) = 18 [pid 6372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6371] <... chdir resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6372] <... prctl resumed>) = 0 [pid 6371] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6372] setpgid(0, 0 [pid 6371] <... prctl resumed>) = 0 [pid 6370] memfd_create("syzkaller", 0 [pid 5833] <... ioctl resumed>) = 0 [pid 6372] <... setpgid resumed>) = 0 [pid 6371] setpgid(0, 0 [pid 5833] close(3 [pid 6372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6371] <... setpgid resumed>) = 0 [pid 6370] <... memfd_create resumed>) = 3 [ 140.148571][ T6369] loop3: detected capacity change from 0 to 1024 [pid 6371] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6370] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6371] <... openat resumed>) = 3 [pid 6370] <... mmap resumed>) = 0x7fa6be400000 [pid 6372] <... openat resumed>) = 3 [pid 6371] write(3, "1000", 4) = 4 [pid 6371] close(3 [pid 6372] write(3, "1000", 4 [pid 6371] <... close resumed>) = 0 [pid 6372] <... write resumed>) = 4 [pid 6371] symlink("/dev/binderfs", "./binderfs" [pid 6372] close(3 [pid 6371] <... symlink resumed>) = 0 [pid 6372] <... close resumed>) = 0 executing program [pid 6372] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6371] write(1, "executing program\n", 18 [pid 6369] <... mount resumed>) = 0 [pid 6371] <... write resumed>) = 18 [pid 6371] memfd_create("syzkaller", 0 [pid 6369] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6369] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6372] write(1, "executing program\n", 18 [pid 6371] <... memfd_create resumed>) = 3 [pid 6369] <... chdir resumed>) = 0 [pid 6372] <... write resumed>) = 18 [pid 6371] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6369] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6372] memfd_create("syzkaller", 0 [pid 6371] <... mmap resumed>) = 0x7fa6be400000 [pid 6369] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] <... memfd_create resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 6372] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6369] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6373 attached [pid 6370] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6373] set_robust_list(0x555567654760, 24) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6373 [pid 6373] chdir("./101") = 0 [pid 6373] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6373] setpgid(0, 0) = 0 [pid 6373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6372] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6373] write(3, "1000", 4) = 4 [pid 6373] close(3) = 0 [pid 6373] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6373] write(1, "executing program\n", 18 [pid 6372] <... write resumed>) = 524288 [pid 6369] <... mknod resumed>) = 0 [pid 6369] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6373] <... write resumed>) = 18 [pid 6373] memfd_create("syzkaller", 0) = 3 [pid 6372] munmap(0x7fa6be400000, 138412032 [pid 6373] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6372] <... munmap resumed>) = 0 [pid 6371] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6373] <... mmap resumed>) = 0x7fa6be400000 [pid 6372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6372] ioctl(4, LOOP_SET_FD, 3 [pid 6370] <... write resumed>) = 524288 [pid 6370] munmap(0x7fa6be400000, 138412032 [pid 6369] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6369] sync( [pid 6372] <... ioctl resumed>) = 0 [pid 6370] <... munmap resumed>) = 0 [pid 6372] close(3) = 0 [pid 6373] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6372] close(4) = 0 [pid 6372] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6370] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6371] <... write resumed>) = 524288 [pid 6372] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6371] munmap(0x7fa6be400000, 138412032 [pid 6370] ioctl(4, LOOP_SET_FD, 3 [pid 6373] <... write resumed>) = 524288 [pid 6371] <... munmap resumed>) = 0 [pid 6373] munmap(0x7fa6be400000, 138412032 [pid 6371] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6373] <... munmap resumed>) = 0 [pid 6371] <... openat resumed>) = 4 [pid 6373] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6373] ioctl(4, LOOP_SET_FD, 3 [pid 6371] ioctl(4, LOOP_SET_FD, 3 [pid 6370] <... ioctl resumed>) = 0 [ 140.280914][ T6372] loop0: detected capacity change from 0 to 1024 [ 140.307377][ T6370] loop1: detected capacity change from 0 to 1024 [ 140.322863][ T6373] loop4: detected capacity change from 0 to 1024 [pid 6370] close(3 [pid 6372] <... mount resumed>) = 0 [pid 6372] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6372] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6372] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6372] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6370] <... close resumed>) = 0 [pid 6370] close(4 [pid 6372] <... mknod resumed>) = 0 [pid 6372] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6370] <... close resumed>) = 0 [pid 6370] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6370] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6369] <... sync resumed>) = 0 [pid 6369] exit_group(0) = ? [pid 6371] <... ioctl resumed>) = 0 [pid 6373] <... ioctl resumed>) = 0 [pid 6371] close(3 [pid 6369] +++ exited with 0 +++ [pid 6373] close(3 [pid 6372] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6371] <... close resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6369, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6373] <... close resumed>) = 0 [pid 6371] close(4 [pid 6370] <... mount resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6373] close(4 [pid 6372] sync( [pid 6371] <... close resumed>) = 0 [pid 6370] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6373] <... close resumed>) = 0 [pid 6371] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6373] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6371] <... mkdir resumed>) = 0 [pid 6370] <... openat resumed>) = 3 [pid 5832] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6373] <... mkdir resumed>) = 0 [pid 6370] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6371] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6370] <... chdir resumed>) = 0 [pid 6373] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6370] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... openat resumed>) = 3 [ 140.330739][ T6371] loop2: detected capacity change from 0 to 1024 [pid 6370] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(3, "", [pid 6370] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6370] <... mknod resumed>) = 0 [pid 6371] <... mount resumed>) = 0 [pid 6370] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6371] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6373] <... mount resumed>) = 0 [pid 6371] <... openat resumed>) = 3 [pid 6373] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6371] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6370] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = 0 [pid 6373] <... openat resumed>) = 3 [pid 6371] <... chdir resumed>) = 0 [pid 6370] sync( [pid 5832] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6371] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6371] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6373] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6372] <... sync resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6372] exit_group(0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 6373] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6373] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6372] <... exit_group resumed>) = ? [pid 6371] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6370] <... sync resumed>) = 0 [pid 5832] getdents64(4, [pid 6373] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6372] +++ exited with 0 +++ [pid 6371] <... mknod resumed>) = 0 [pid 6370] exit_group(0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6373] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6370] <... exit_group resumed>) = ? [pid 5832] close(4 [pid 6371] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6372, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6370] +++ exited with 0 +++ [pid 5832] rmdir("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6370, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./103/binderfs") = 0 [pid 5832] getdents64(3, [pid 6373] <... mknod resumed>) = 0 [pid 6371] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6371] sync( [pid 5832] close(3) = 0 [pid 5832] rmdir("./103" [pid 6373] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./104", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... mkdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5830] getdents64(3, [pid 5829] newfstatat(4, "", [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] rmdir("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6373] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6371] <... sync resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = 0 [pid 5829] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6373] sync( [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./106/binderfs", [pid 6371] exit_group(0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./106/binderfs" [pid 6371] <... exit_group resumed>) = ? [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5830] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./106" [pid 5830] newfstatat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] mkdir("./107", 0777 [pid 5830] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] newfstatat(4, "", [pid 5829] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(4, [pid 5829] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] close(3 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] close(4 [pid 6371] +++ exited with 0 +++ [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6371, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6373] <... sync resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6374 attached [pid 6373] exit_group(0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6373] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6375 attached [pid 6374] set_robust_list(0x555567654760, 24 [pid 6375] set_robust_list(0x555567654760, 24 [pid 5831] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6374] <... set_robust_list resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./104/binderfs", [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6374 [pid 6375] <... set_robust_list resumed>) = 0 [pid 6374] chdir("./107" [pid 5831] <... openat resumed>) = 3 [pid 6375] chdir("./104" [pid 6374] <... chdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6375] <... chdir resumed>) = 0 [pid 6374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6375 [pid 5831] newfstatat(3, "", [pid 5830] unlink("./104/binderfs" [pid 6374] <... prctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6374] setpgid(0, 0 [pid 5831] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] getdents64(3, [pid 6375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6374] <... setpgid resumed>) = 0 [pid 5831] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] <... prctl resumed>) = 0 [pid 6374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./104" [pid 6375] setpgid(0, 0 [pid 6373] +++ exited with 0 +++ [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./105", 0777 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6373, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... mkdir resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6375] <... setpgid resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6374] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 6375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6374] write(3, "1000", 4 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 6374] <... write resumed>) = 4 [pid 5830] close(3 [pid 6375] <... openat resumed>) = 3 [pid 6374] close(3 [pid 5830] <... close resumed>) = 0 [pid 6375] write(3, "1000", 4 [pid 6374] <... close resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6376 attached [pid 6374] symlink("/dev/binderfs", "./binderfs" [pid 5833] umount2("./101", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./101", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6376] set_robust_list(0x555567654760, 24 [pid 5833] newfstatat(3, "", [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6376 [pid 6376] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6376] chdir("./105" [pid 5833] getdents64(3, [pid 6376] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = 0 [pid 6376] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6376] <... prctl resumed>) = 0 [pid 6375] <... write resumed>) = 4 [pid 6374] <... symlink resumed>) = 0 [pid 6376] setpgid(0, 0) = 0 [pid 6376] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5831] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", executing program {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6376] write(3, "1000", 4 [pid 6375] close(3 [pid 6374] write(1, "executing program\n", 18 [pid 6375] <... close resumed>) = 0 [pid 6374] <... write resumed>) = 18 [pid 6375] symlink("/dev/binderfs", "./binderfs" [pid 6374] memfd_create("syzkaller", 0 [pid 6376] <... write resumed>) = 4 [pid 6376] close(3 [pid 6375] <... symlink resumed>) = 0 [pid 5831] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6374] <... memfd_create resumed>) = 3 [pid 6376] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6376] symlink("/dev/binderfs", "./binderfs" [pid 6375] write(1, "executing program\n", 18 [pid 6374] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] openat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6376] <... symlink resumed>) = 0 [pid 6375] <... write resumed>) = 18 [pid 6374] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... openat resumed>) = 4 executing program [pid 6375] memfd_create("syzkaller", 0 [pid 6374] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] newfstatat(4, "", [pid 6376] write(1, "executing program\n", 18) = 18 [pid 6375] <... memfd_create resumed>) = 3 [pid 6375] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6376] memfd_create("syzkaller", 0 [pid 6375] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6376] <... memfd_create resumed>) = 3 [pid 6376] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] getdents64(4, [pid 6376] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6375] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4) = 0 [pid 5831] rmdir("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6376] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./103/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6374] <... write resumed>) = 524288 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./103/binderfs" [pid 5833] umount2("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5833] openat(AT_FDCWD, "./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5831] close(3 [pid 5833] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./103" [pid 6375] <... write resumed>) = 524288 [pid 6374] munmap(0x7fa6be400000, 138412032 [pid 5833] getdents64(4, [pid 6374] <... munmap resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... rmdir resumed>) = 0 [pid 6374] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] getdents64(4, [pid 5831] mkdir("./104", 0777 [pid 6375] munmap(0x7fa6be400000, 138412032 [pid 6374] <... openat resumed>) = 4 [pid 5831] <... mkdir resumed>) = 0 [pid 6374] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] close(4 [pid 5831] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] rmdir("./101/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... ioctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6377 attached [pid 5833] umount2("./101/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6375] <... munmap resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] set_robust_list(0x555567654760, 24 [pid 5833] newfstatat(AT_FDCWD, "./101/binderfs", [pid 6377] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6377] chdir("./104" [pid 5833] unlink("./101/binderfs" [pid 6376] <... write resumed>) = 524288 [pid 6375] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6377 [pid 6377] <... chdir resumed>) = 0 [pid 6375] <... openat resumed>) = 4 [pid 6375] ioctl(4, LOOP_SET_FD, 3 [pid 6377] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6376] munmap(0x7fa6be400000, 138412032 [pid 5833] getdents64(3, [pid 6377] <... prctl resumed>) = 0 [pid 6376] <... munmap resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6377] setpgid(0, 0 [pid 6374] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 6377] <... setpgid resumed>) = 0 [pid 6376] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 6377] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6376] <... openat resumed>) = 4 [pid 5833] rmdir("./101" [pid 6377] <... openat resumed>) = 3 [pid 6376] ioctl(4, LOOP_SET_FD, 3 [pid 6374] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 6374] <... close resumed>) = 0 [pid 6375] <... ioctl resumed>) = 0 [pid 6375] close(3) = 0 [pid 6377] write(3, "1000", 4 [pid 6375] close(4 [pid 6374] close(4 [pid 5833] mkdir("./102", 0777 [pid 6377] <... write resumed>) = 4 [pid 6374] <... close resumed>) = 0 [pid 6375] <... close resumed>) = 0 [pid 6377] close(3 [pid 6375] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6374] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 6377] <... close resumed>) = 0 [pid 6377] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6375] <... mkdir resumed>) = 0 [pid 6375] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6374] <... mkdir resumed>) = 0 [pid 6374] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6377] write(1, "executing program\n", 18 [pid 5833] <... ioctl resumed>) = 0 executing program [pid 6377] <... write resumed>) = 18 [pid 5833] close(3) = 0 [pid 6377] memfd_create("syzkaller", 0) = 3 [pid 6377] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6376] <... ioctl resumed>) = 0 [pid 6376] close(3) = 0 [ 140.670736][ T6374] loop0: detected capacity change from 0 to 1024 [ 140.693479][ T6375] loop3: detected capacity change from 0 to 1024 [ 140.705720][ T6376] loop1: detected capacity change from 0 to 1024 [pid 6377] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6376] close(4) = 0 [pid 6376] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6378 attached [pid 6376] <... mkdir resumed>) = 0 [pid 6378] set_robust_list(0x555567654760, 24 [pid 6376] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6378] <... set_robust_list resumed>) = 0 [pid 6378] chdir("./102") = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6378 [pid 6378] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6378] setpgid(0, 0) = 0 [pid 6378] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6374] <... mount resumed>) = 0 [pid 6378] write(3, "1000", 4) = 4 [pid 6374] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6378] close(3) = 0 [pid 6378] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6374] <... openat resumed>) = 3 [pid 6376] <... mount resumed>) = 0 [pid 6374] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6378] write(1, "executing program\n", 18 [pid 6376] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6374] <... chdir resumed>) = 0 [pid 6378] <... write resumed>) = 18 [pid 6376] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6374] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6378] memfd_create("syzkaller", 0 [pid 6376] <... chdir resumed>) = 0 [pid 6374] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6378] <... memfd_create resumed>) = 3 [pid 6376] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6374] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6376] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6377] <... write resumed>) = 524288 [pid 6378] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6377] munmap(0x7fa6be400000, 138412032 [pid 6378] <... mmap resumed>) = 0x7fa6be400000 [pid 6377] <... munmap resumed>) = 0 [pid 6376] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6375] <... mount resumed>) = 0 [pid 6375] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6374] <... mknod resumed>) = 0 [pid 6374] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6375] <... openat resumed>) = 3 [pid 6375] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6377] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6375] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6374] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6376] <... mknod resumed>) = 0 [pid 6375] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6374] sync( [pid 6378] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6377] <... openat resumed>) = 4 [pid 6376] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6375] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6377] ioctl(4, LOOP_SET_FD, 3 [pid 6375] <... mknod resumed>) = 0 [pid 6375] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6376] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6376] sync( [pid 6375] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6375] sync( [pid 6377] <... ioctl resumed>) = 0 [pid 6378] <... write resumed>) = 524288 [pid 6377] close(3 [pid 6378] munmap(0x7fa6be400000, 138412032 [pid 6377] <... close resumed>) = 0 [pid 6378] <... munmap resumed>) = 0 [pid 6377] close(4) = 0 [pid 6374] <... sync resumed>) = 0 [pid 6377] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6376] <... sync resumed>) = 0 [pid 6375] <... sync resumed>) = 0 [pid 6377] <... mkdir resumed>) = 0 [pid 6376] exit_group(0 [pid 6374] exit_group(0 [pid 6376] <... exit_group resumed>) = ? [pid 6376] +++ exited with 0 +++ [pid 6375] exit_group(0 [pid 6378] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6374] <... exit_group resumed>) = ? [pid 6378] <... openat resumed>) = 4 [pid 6377] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6375] <... exit_group resumed>) = ? [pid 6374] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6376, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [ 140.823961][ T6377] loop2: detected capacity change from 0 to 1024 [pid 6378] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6374, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6375] +++ exited with 0 +++ [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6375, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] getdents64(3, [pid 5829] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6378] <... ioctl resumed>) = 0 [pid 6378] close(3) = 0 [pid 6378] close(4) = 0 [pid 6378] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6377] <... mount resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6377] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6377] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6377] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6377] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6378] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6377] <... mknod resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6377] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] openat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [ 140.888855][ T6378] loop4: detected capacity change from 0 to 1024 [pid 5829] newfstatat(4, "", [pid 5832] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6378] <... mount resumed>) = 0 [pid 6377] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6377] sync( [pid 6378] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 6378] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... rmdir resumed>) = 0 [pid 6378] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] newfstatat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] getdents64(4, [pid 6378] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6378] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(4 [pid 6378] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6377] <... sync resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6378] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6377] exit_group(0) = ? [pid 5832] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./105/binderfs", [pid 5829] <... rmdir resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] unlink("./105/binderfs" [pid 6377] +++ exited with 0 +++ [pid 5832] getdents64(4, [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6377, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6378] <... mknod resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./107/binderfs", [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] unlink("./107/binderfs" [pid 5830] close(3 [pid 5829] <... unlink resumed>) = 0 [pid 6378] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 5832] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./105" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 5831] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./104/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] mkdir("./106", 0777 [pid 5829] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] rmdir("./107" [pid 5832] unlink("./104/binderfs" [pid 5831] newfstatat(3, "", [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] mkdir("./108", 0777 [pid 5832] getdents64(3, [pid 5831] getdents64(3, [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... mkdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... openat resumed>) = 3 [pid 5831] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] <... close resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... ioctl resumed>) = 0 [pid 5832] rmdir("./104" [pid 5829] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6379 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] mkdir("./105", 0777 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6380 [pid 5832] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6380 attached [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 6380] set_robust_list(0x555567654760, 24) = 0 [pid 5832] close(3./strace-static-x86_64: Process 6379 attached [pid 6380] chdir("./108" [pid 6378] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... close resumed>) = 0 [pid 6380] <... chdir resumed>) = 0 [pid 6378] sync( [pid 6380] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6380] setpgid(0, 0 [pid 6379] set_robust_list(0x555567654760, 24 [pid 6380] <... setpgid resumed>) = 0 [pid 6380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6379] <... set_robust_list resumed>) = 0 [pid 6380] <... openat resumed>) = 3 [pid 6380] write(3, "1000", 4 [pid 6379] chdir("./106" [pid 6380] <... write resumed>) = 4 [pid 6380] close(3) = 0 [pid 6379] <... chdir resumed>) = 0 [pid 6380] symlink("/dev/binderfs", "./binderfs" [pid 6379] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6380] <... symlink resumed>) = 0 [pid 6379] <... prctl resumed>) = 0 [pid 6379] setpgid(0, 0 executing program [pid 6380] write(1, "executing program\n", 18 [pid 6379] <... setpgid resumed>) = 0 [pid 6380] <... write resumed>) = 18 [pid 6380] memfd_create("syzkaller", 0 [pid 6379] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6381 attached [pid 6380] <... memfd_create resumed>) = 3 [pid 6379] write(3, "1000", 4 [pid 6380] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6379] <... write resumed>) = 4 [pid 6380] <... mmap resumed>) = 0x7fa6be400000 [pid 6379] close(3 [pid 6378] <... sync resumed>) = 0 [pid 6380] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6379] <... close resumed>) = 0 [pid 6378] exit_group(0 [pid 6379] symlink("/dev/binderfs", "./binderfs" [pid 6381] set_robust_list(0x555567654760, 24 [pid 6379] <... symlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6379] write(1, "executing program\n", 18 [pid 6378] <... exit_group resumed>) = ? [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6381 executing program [pid 6381] <... set_robust_list resumed>) = 0 [pid 6381] chdir("./105" [pid 6379] <... write resumed>) = 18 [pid 6378] +++ exited with 0 +++ [pid 6381] <... chdir resumed>) = 0 [pid 6381] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6378, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6381] <... prctl resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6381] setpgid(0, 0) = 0 [pid 6381] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6379] memfd_create("syzkaller", 0 [pid 5831] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] <... openat resumed>) = 3 [pid 6381] write(3, "1000", 4) = 4 [pid 6381] close(3) = 0 [pid 6381] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6379] <... memfd_create resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6381] write(1, "executing program\n", 18 [pid 6379] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] newfstatat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./102", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./102", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6381] <... write resumed>) = 18 [pid 5833] newfstatat(3, "", [pid 6381] memfd_create("syzkaller", 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6381] <... memfd_create resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6381] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6380] <... write resumed>) = 524288 [pid 6379] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] getdents64(3, [pid 5831] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6379] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... openat resumed>) = 4 [pid 5833] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6381] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] getdents64(4, [pid 6380] munmap(0x7fa6be400000, 138412032 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6380] <... munmap resumed>) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 6380] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 6380] <... openat resumed>) = 4 [pid 5831] rmdir("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6380] ioctl(4, LOOP_SET_FD, 3 [pid 6379] <... write resumed>) = 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] <... write resumed>) = 524288 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./104/binderfs", [pid 5833] <... umount2 resumed>) = 0 [pid 6381] munmap(0x7fa6be400000, 138412032 [pid 6380] <... ioctl resumed>) = 0 [pid 6379] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6380] close(3 [pid 5831] unlink("./104/binderfs" [pid 6380] <... close resumed>) = 0 [pid 5833] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6380] close(4 [pid 6379] <... munmap resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 6381] <... munmap resumed>) = 0 [pid 5831] getdents64(3, [pid 5833] newfstatat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6381] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6380] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6380] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... openat resumed>) = 4 [pid 5831] close(3 [pid 6380] <... mkdir resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 6381] ioctl(4, LOOP_SET_FD, 3 [pid 6379] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 141.120520][ T6380] loop0: detected capacity change from 0 to 1024 [pid 5831] rmdir("./104" [pid 6379] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 6380] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6379] ioctl(4, LOOP_SET_FD, 3 [pid 5831] mkdir("./105", 0777 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5833] rmdir("./102/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./102/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./102/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./102/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./102") = 0 [pid 5833] mkdir("./103", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... ioctl resumed>) = 0 [pid 6381] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6382 attached [pid 6380] <... mount resumed>) = 0 [pid 5831] close(3 [pid 6381] close(3 [pid 6380] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6382] set_robust_list(0x555567654760, 24 [pid 5831] <... close resumed>) = 0 [pid 6382] <... set_robust_list resumed>) = 0 executing program [pid 6382] chdir("./103" [pid 6380] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6380] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6382 [pid 6382] <... chdir resumed>) = 0 [pid 6381] <... close resumed>) = 0 [pid 6380] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6381] close(4 [pid 6380] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6382] <... prctl resumed>) = 0 [pid 6381] <... close resumed>) = 0 [pid 6382] setpgid(0, 0 [pid 6381] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6380] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6382] <... setpgid resumed>) = 0 [pid 6381] <... mkdir resumed>) = 0 [pid 6382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6381] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6380] <... mknod resumed>) = 0 [pid 6380] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6382] write(3, "1000", 4) = 4 [pid 6382] close(3) = 0 [pid 6382] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6382] write(1, "executing program\n", 18) = 18 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6383 [pid 6382] memfd_create("syzkaller", 0 [pid 6381] <... mount resumed>) = 0 [pid 6381] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6383 attached [pid 6382] <... memfd_create resumed>) = 3 [ 141.173182][ T6381] loop3: detected capacity change from 0 to 1024 [ 141.183401][ T6379] loop1: detected capacity change from 0 to 1024 [pid 6383] set_robust_list(0x555567654760, 24 [pid 6379] <... ioctl resumed>) = 0 [pid 6383] <... set_robust_list resumed>) = 0 [pid 6383] chdir("./105" [pid 6379] close(3 [pid 6383] <... chdir resumed>) = 0 [pid 6379] <... close resumed>) = 0 [pid 6383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6379] close(4 [pid 6383] <... prctl resumed>) = 0 [pid 6379] <... close resumed>) = 0 [pid 6379] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6383] setpgid(0, 0) = 0 [pid 6379] <... mkdir resumed>) = 0 [pid 6379] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6382] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6381] <... openat resumed>) = 3 [pid 6382] <... mmap resumed>) = 0x7fa6be400000 [pid 6381] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6383] <... openat resumed>) = 3 [pid 6381] <... chdir resumed>) = 0 [pid 6383] write(3, "1000", 4 [pid 6381] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6380] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6383] <... write resumed>) = 4 [pid 6381] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6380] sync( [pid 6383] close(3 [pid 6381] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6379] <... mount resumed>) = 0 [pid 6383] <... close resumed>) = 0 [pid 6379] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6383] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6379] <... openat resumed>) = 3 [pid 6379] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6381] <... mknod resumed>) = 0 [pid 6379] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6381] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6379] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6379] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6383] write(1, "executing program\n", 18) = 18 [pid 6383] memfd_create("syzkaller", 0) = 3 [pid 6382] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6383] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6379] <... mknod resumed>) = 0 [pid 6383] <... mmap resumed>) = 0x7fa6be400000 [pid 6383] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6379] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6381] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6381] sync( [pid 6382] <... write resumed>) = 524288 [pid 6382] munmap(0x7fa6be400000, 138412032) = 0 [pid 6380] <... sync resumed>) = 0 [pid 6379] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6380] exit_group(0) = ? [pid 6383] <... write resumed>) = 524288 [pid 6379] sync( [pid 6382] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6381] <... sync resumed>) = 0 [pid 6382] ioctl(4, LOOP_SET_FD, 3 [pid 6381] exit_group(0 [pid 6383] munmap(0x7fa6be400000, 138412032 [pid 6381] <... exit_group resumed>) = ? [pid 6380] +++ exited with 0 +++ [pid 6383] <... munmap resumed>) = 0 [pid 6381] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6380, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6383] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6379] <... sync resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6381, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6383] <... openat resumed>) = 4 [pid 6379] exit_group(0 [pid 5832] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6379] <... exit_group resumed>) = ? [pid 6383] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6382] <... ioctl resumed>) = 0 [pid 6382] close(3) = 0 [pid 6382] close(4) = 0 [pid 6382] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6382] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "") = 0 [pid 6382] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6382] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6382] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6382] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6379] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6379, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6383] <... ioctl resumed>) = 0 [pid 6383] close(3 [pid 5829] <... umount2 resumed>) = 0 [pid 6382] <... mknod resumed>) = 0 [pid 6382] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6383] <... close resumed>) = 0 [pid 5829] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6382] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] newfstatat(4, "", [pid 6382] sync( [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6383] close(4 [pid 5829] getdents64(4, [pid 6383] <... close resumed>) = 0 [ 141.326366][ T6382] loop4: detected capacity change from 0 to 1024 [ 141.357399][ T6383] loop2: detected capacity change from 0 to 1024 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6383] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6383] <... mkdir resumed>) = 0 [pid 6383] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./108/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 5832] openat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] rmdir("./108" [pid 5830] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] mkdir("./109", 0777 [pid 5832] getdents64(4, [pid 5830] newfstatat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... mkdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] close(4) = 0 [pid 5832] rmdir("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6384 [pid 5830] newfstatat(4, "", ./strace-static-x86_64: Process 6384 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6384] set_robust_list(0x555567654760, 24 [pid 5830] getdents64(4, [pid 6383] <... mount resumed>) = 0 [pid 6383] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6384] <... set_robust_list resumed>) = 0 [pid 6384] chdir("./109") = 0 [pid 6384] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6384] setpgid(0, 0) = 0 [pid 6384] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 6384] <... openat resumed>) = 3 [pid 6384] write(3, "1000", 4 [pid 5832] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6384] <... write resumed>) = 4 [pid 5832] newfstatat(AT_FDCWD, "./105/binderfs", [pid 6384] close(3 [pid 6383] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6384] <... close resumed>) = 0 [pid 6383] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] unlink("./105/binderfs" [pid 5830] close(4 [pid 6384] symlink("/dev/binderfs", "./binderfs" [pid 6383] <... chdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... close resumed>) = 0 executing program [pid 6384] <... symlink resumed>) = 0 [pid 6383] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] getdents64(3, [pid 5830] rmdir("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6383] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] close(3) = 0 [pid 5832] rmdir("./105" [pid 6384] write(1, "executing program\n", 18 [pid 6383] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6384] <... write resumed>) = 18 [pid 5832] mkdir("./106", 0777 [pid 5830] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6384] memfd_create("syzkaller", 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6384] <... memfd_create resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./106/binderfs", [pid 6384] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6384] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] unlink("./106/binderfs" [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6385 attached [pid 6383] <... mknod resumed>) = 0 [pid 6382] <... sync resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 6385] set_robust_list(0x555567654760, 24 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6382] exit_group(0 [pid 5830] close(3 [pid 6382] <... exit_group resumed>) = ? [pid 6385] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6385 [pid 5830] <... close resumed>) = 0 [pid 6385] chdir("./106") = 0 [pid 6385] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6385] setpgid(0, 0) = 0 [pid 6385] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6382] +++ exited with 0 +++ [pid 5830] rmdir("./106" [pid 6385] write(3, "1000", 4) = 4 [pid 6385] close(3) = 0 [pid 6385] symlink("/dev/binderfs", "./binderfs" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6382, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6385] <... symlink resumed>) = 0 [pid 6384] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6383] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... rmdir resumed>) = 0 executing program [pid 6384] <... write resumed>) = 524288 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] mkdir("./107", 0777 [pid 6385] write(1, "executing program\n", 18) = 18 [pid 6385] memfd_create("syzkaller", 0) = 3 [pid 5833] umount2("./103", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] openat(AT_FDCWD, "./103", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6385] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... openat resumed>) = 3 [pid 6385] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... openat resumed>) = 3 [pid 6385] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] newfstatat(3, "", [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 6383] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... close resumed>) = 0 [pid 6383] sync( [pid 6384] munmap(0x7fa6be400000, 138412032 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6384] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6386 attached [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6386 [pid 5833] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6386] set_robust_list(0x555567654760, 24 [pid 6384] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6386] <... set_robust_list resumed>) = 0 [pid 6384] <... openat resumed>) = 4 [pid 6384] ioctl(4, LOOP_SET_FD, 3 [pid 6386] chdir("./107" [pid 6385] <... write resumed>) = 524288 [pid 6386] <... chdir resumed>) = 0 [pid 6386] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6386] setpgid(0, 0) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6383] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6385] munmap(0x7fa6be400000, 138412032 [pid 6383] exit_group(0 [pid 5833] openat(AT_FDCWD, "./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6383] <... exit_group resumed>) = ? [pid 5833] <... openat resumed>) = 4 [pid 6386] <... openat resumed>) = 3 [pid 6385] <... munmap resumed>) = 0 [pid 6383] +++ exited with 0 +++ [pid 5833] newfstatat(4, "", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6383, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6386] write(3, "1000", 4) = 4 [pid 6385] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6384] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6385] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5831] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 6386] close(3) = 0 [ 141.544606][ T6384] loop0: detected capacity change from 0 to 1024 [pid 6386] symlink("/dev/binderfs", "./binderfs"executing program [pid 5833] rmdir("./103/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6386] <... symlink resumed>) = 0 [pid 6385] ioctl(4, LOOP_SET_FD, 3 [pid 6384] close(3 [pid 6386] write(1, "executing program\n", 18 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6386] <... write resumed>) = 18 [pid 5833] umount2("./103/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6386] memfd_create("syzkaller", 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6386] <... memfd_create resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./103/binderfs", [pid 5831] getdents64(3, [pid 6386] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6386] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] unlink("./103/binderfs" [pid 6386] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6384] <... close resumed>) = 0 [pid 6384] close(4 [pid 5833] getdents64(3, [pid 6384] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6384] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] close(3 [pid 6384] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./103") = 0 [pid 6384] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] mkdir("./104", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6385] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6387 attached [pid 6385] close(3) = 0 [pid 6385] close(4) = 0 [pid 6385] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6387] set_robust_list(0x555567654760, 24 [pid 6385] <... mkdir resumed>) = 0 [pid 6387] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6387 [pid 6387] chdir("./104") = 0 [pid 6385] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6387] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6387] setpgid(0, 0) = 0 [pid 6387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6386] <... write resumed>) = 524288 [pid 6384] <... mount resumed>) = 0 [pid 6387] write(3, "1000", 4) = 4 [pid 6384] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6387] close(3) = 0 [ 141.590708][ T6385] loop3: detected capacity change from 0 to 1024 [pid 6384] <... openat resumed>) = 3 [pid 6387] symlink("/dev/binderfs", "./binderfs" [pid 6386] munmap(0x7fa6be400000, 138412032 [pid 6385] <... mount resumed>) = 0 [pid 6385] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6384] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = 0 [pid 6387] <... symlink resumed>) = 0 [pid 6386] <... munmap resumed>) = 0 [pid 6385] <... openat resumed>) = 3 [pid 6386] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6385] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6384] <... chdir resumed>) = 0 executing program [pid 6387] write(1, "executing program\n", 18 [pid 6386] <... openat resumed>) = 4 [pid 6385] <... chdir resumed>) = 0 [pid 6384] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6387] <... write resumed>) = 18 [pid 6386] ioctl(4, LOOP_SET_FD, 3 [pid 6385] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6384] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6387] memfd_create("syzkaller", 0 [pid 6385] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6385] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6384] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6387] <... memfd_create resumed>) = 3 [pid 6387] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6384] <... mknod resumed>) = 0 [pid 5831] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6385] <... mknod resumed>) = 0 [pid 6384] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6385] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6384] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6384] sync( [pid 5831] newfstatat(4, "", [pid 6387] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6386] <... ioctl resumed>) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6386] close(3 [pid 6385] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6386] <... close resumed>) = 0 [pid 6386] close(4 [pid 6385] sync( [pid 5831] close(4 [pid 6386] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6386] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] rmdir("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6386] <... mkdir resumed>) = 0 [pid 6386] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... rmdir resumed>) = 0 [pid 5831] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./105/binderfs") = 0 [ 141.665529][ T6386] loop1: detected capacity change from 0 to 1024 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./105" [pid 6387] <... write resumed>) = 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 6387] munmap(0x7fa6be400000, 138412032) = 0 [pid 6387] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6387] ioctl(4, LOOP_SET_FD, 3 [pid 5831] mkdir("./106", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6386] <... mount resumed>) = 0 [pid 6386] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6387] <... ioctl resumed>) = 0 [pid 6385] <... sync resumed>) = 0 [pid 6387] close(3 [pid 6385] exit_group(0 [pid 6387] <... close resumed>) = 0 [pid 6386] <... openat resumed>) = 3 [pid 6385] <... exit_group resumed>) = ? [pid 6384] <... sync resumed>) = 0 [pid 6387] close(4 [pid 6386] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6384] exit_group(0 [pid 6386] <... chdir resumed>) = 0 [pid 6386] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6387] <... close resumed>) = 0 [pid 6386] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6386] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6385] +++ exited with 0 +++ [pid 6387] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6384] <... exit_group resumed>) = ? [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6385, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6387] <... mkdir resumed>) = 0 [pid 6384] +++ exited with 0 +++ [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6384, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6387] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6386] <... mknod resumed>) = 0 [pid 6386] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 141.738663][ T6387] loop4: detected capacity change from 0 to 1024 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6388 attached [pid 5832] getdents64(3, [pid 6386] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6388 [pid 6388] set_robust_list(0x555567654760, 24 [pid 6386] sync( [pid 5832] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6388] <... set_robust_list resumed>) = 0 [pid 6387] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6388] chdir("./106" [pid 6387] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6388] <... chdir resumed>) = 0 [pid 6387] <... openat resumed>) = 3 [pid 5832] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6388] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6387] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6388] <... prctl resumed>) = 0 [pid 6387] <... chdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] newfstatat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6387] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6387] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6387] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6388] setpgid(0, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6388] <... setpgid resumed>) = 0 [pid 6388] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6388] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 4 [pid 5829] openat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6388] write(3, "1000", 4 [pid 5832] newfstatat(4, "", [pid 5829] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6388] <... write resumed>) = 4 [pid 5832] getdents64(4, [pid 5829] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 6388] close(3 [pid 5829] getdents64(4, [pid 6388] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5832] close(4 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] close(4 [pid 5832] rmdir("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 6388] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... rmdir resumed>) = 0 [pid 5829] rmdir("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6388] <... symlink resumed>) = 0 [pid 6387] <... mknod resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5832] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./106/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./106/binderfs" [pid 5829] unlink("./109/binderfs"executing program [pid 6388] write(1, "executing program\n", 18 [pid 6387] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... unlink resumed>) = 0 [pid 6388] <... write resumed>) = 18 [pid 5829] <... unlink resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6388] memfd_create("syzkaller", 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./106") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6388] <... memfd_create resumed>) = 3 [pid 5829] close(3) = 0 [pid 5829] rmdir("./109" [pid 6388] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6386] <... sync resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5832] mkdir("./107", 0777) = 0 [pid 5829] mkdir("./110", 0777 [pid 6388] <... mmap resumed>) = 0x7fa6be400000 [pid 6386] exit_group(0 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6388] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6386] <... exit_group resumed>) = ? [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6386] +++ exited with 0 +++ [pid 5832] close(3 [pid 5829] close(3 [pid 6387] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6386, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6389 attached [pid 6389] set_robust_list(0x555567654760, 24 [pid 6388] <... write resumed>) = 524288 [pid 6387] sync( [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6389 [pid 6389] <... set_robust_list resumed>) = 0 [pid 6388] munmap(0x7fa6be400000, 138412032 [pid 6389] chdir("./110" [pid 6388] <... munmap resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6389] <... chdir resumed>) = 0 [pid 6389] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6389] setpgid(0, 0 [pid 6388] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6388] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6389] <... setpgid resumed>) = 0 [pid 6388] ioctl(4, LOOP_SET_FD, 3 [pid 5830] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6389] <... openat resumed>) = 3 [pid 6389] write(3, "1000", 4 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6389] <... write resumed>) = 4 [pid 6389] close(3) = 0 [pid 6389] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6389] write(1, "executing program\n", 18) = 18 [pid 6389] memfd_create("syzkaller", 0) = 3 [pid 6389] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 ./strace-static-x86_64: Process 6390 attached [pid 6389] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6390 [pid 5830] <... umount2 resumed>) = 0 [pid 6390] set_robust_list(0x555567654760, 24) = 0 [pid 5830] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] chdir("./107") = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6390] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6390] setpgid(0, 0) = 0 [pid 5830] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] <... ioctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6390] <... openat resumed>) = 3 [pid 6389] <... write resumed>) = 524288 [pid 6388] close(3 [pid 5830] <... openat resumed>) = 4 [pid 6387] <... sync resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6388] <... close resumed>) = 0 [pid 6388] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6388] <... close resumed>) = 0 [pid 6387] exit_group(0 [pid 5830] getdents64(4, [pid 6388] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6390] write(3, "1000", 4 [pid 6388] <... mkdir resumed>) = 0 [pid 6387] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6388] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [ 141.922484][ T6388] loop2: detected capacity change from 0 to 1024 [pid 5830] close(4 [pid 6390] <... write resumed>) = 4 [pid 6387] +++ exited with 0 +++ [pid 5830] <... close resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6387, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] umount2("./104", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6390] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./104", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6390] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 6390] symlink("/dev/binderfs", "./binderfs" [pid 5833] newfstatat(3, "", [pid 5830] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6390] <... symlink resumed>) = 0 executing program [pid 6390] write(1, "executing program\n", 18 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6389] munmap(0x7fa6be400000, 138412032 [pid 5833] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6390] <... write resumed>) = 18 [pid 6389] <... munmap resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./107/binderfs", [pid 6389] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6390] memfd_create("syzkaller", 0 [pid 6389] <... openat resumed>) = 4 [pid 6388] <... mount resumed>) = 0 [pid 5830] unlink("./107/binderfs" [pid 6388] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... unlink resumed>) = 0 [pid 6389] ioctl(4, LOOP_SET_FD, 3 [pid 5830] getdents64(3, [pid 6388] <... openat resumed>) = 3 [pid 6390] <... memfd_create resumed>) = 3 [pid 6388] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6390] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6388] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6390] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] rmdir("./107" [pid 6388] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6388] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] mkdir("./108", 0777) = 0 [pid 5833] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5830] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] getdents64(4, [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./104/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6388] <... mknod resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 6388] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./104/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./104/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./104/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./104" [pid 6389] <... ioctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6389] close(3) = 0 [pid 5833] mkdir("./105", 0777 [pid 6389] close(4 [pid 5833] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6389] <... close resumed>) = 0 [pid 6389] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6390] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... close resumed>) = 0 [pid 6388] <... link resumed>) = -1 ENOSPC (No space left on device) [ 142.016376][ T6389] loop0: detected capacity change from 0 to 1024 [pid 6389] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6388] sync( [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6391 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6391 [pid 6391] set_robust_list(0x555567654760, 24 [pid 6390] <... write resumed>) = 524288 [pid 6391] <... set_robust_list resumed>) = 0 [pid 6391] chdir("./105") = 0 [pid 6391] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6391] setpgid(0, 0) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6392 [pid 6391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6391] write(3, "1000", 4./strace-static-x86_64: Process 6392 attached [pid 6390] munmap(0x7fa6be400000, 138412032 [pid 6392] set_robust_list(0x555567654760, 24 [pid 6390] <... munmap resumed>) = 0 [pid 6392] <... set_robust_list resumed>) = 0 [pid 6391] <... write resumed>) = 4 [pid 6390] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6389] <... mount resumed>) = 0 [pid 6391] close(3 [pid 6392] chdir("./108" [pid 6391] <... close resumed>) = 0 [pid 6390] <... openat resumed>) = 4 [pid 6389] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6392] <... chdir resumed>) = 0 [pid 6392] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6391] symlink("/dev/binderfs", "./binderfs" [pid 6390] ioctl(4, LOOP_SET_FD, 3 [pid 6389] <... openat resumed>) = 3 [pid 6392] <... prctl resumed>) = 0 executing program [pid 6392] setpgid(0, 0 [pid 6391] <... symlink resumed>) = 0 [pid 6389] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6389] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6389] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6391] write(1, "executing program\n", 18) = 18 [pid 6391] memfd_create("syzkaller", 0 [pid 6392] <... setpgid resumed>) = 0 [pid 6390] <... ioctl resumed>) = 0 [pid 6389] <... mknod resumed>) = 0 [pid 6388] <... sync resumed>) = 0 [pid 6389] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6392] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6388] exit_group(0 [pid 6391] <... memfd_create resumed>) = 3 [pid 6390] close(3 [pid 6391] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6390] <... close resumed>) = 0 [pid 6391] <... mmap resumed>) = 0x7fa6be400000 [pid 6390] close(4 [pid 6388] <... exit_group resumed>) = ? [pid 6391] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6390] <... close resumed>) = 0 [pid 6388] +++ exited with 0 +++ [pid 6390] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6392] <... openat resumed>) = 3 [pid 6390] <... mkdir resumed>) = 0 [pid 6389] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6388, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6389] sync( [pid 6390] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6392] write(3, "1000", 4 [pid 5831] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... write resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [ 142.101153][ T6390] loop3: detected capacity change from 0 to 1024 [pid 6392] close(3) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6392] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5831] newfstatat(3, "", [pid 6392] write(1, "executing program\n", 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6392] <... write resumed>) = 18 [pid 5831] getdents64(3, [pid 6392] memfd_create("syzkaller", 0) = 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6392] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... mmap resumed>) = 0x7fa6be400000 [pid 6392] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6391] <... write resumed>) = 524288 [pid 6390] <... mount resumed>) = 0 [pid 6390] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6390] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6392] <... write resumed>) = 524288 [pid 6391] munmap(0x7fa6be400000, 138412032 [pid 6390] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = 0 [pid 6392] munmap(0x7fa6be400000, 138412032) = 0 [pid 6391] <... munmap resumed>) = 0 [pid 6390] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6390] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6392] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6392] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6391] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6391] <... openat resumed>) = 4 [pid 6390] <... mknod resumed>) = 0 [pid 6390] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6391] ioctl(4, LOOP_SET_FD, 3 [pid 6390] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6390] sync( [pid 6389] <... sync resumed>) = 0 [pid 6389] exit_group(0) = ? [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6392] <... ioctl resumed>) = 0 [pid 5831] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./106/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./106/binderfs" [pid 6392] close(3 [pid 6389] +++ exited with 0 +++ [pid 5831] <... unlink resumed>) = 0 [pid 6392] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 6392] close(4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6392] <... close resumed>) = 0 [pid 5831] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6389, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6392] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./106" [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./107", 0777 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5829] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... mkdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6392] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6391] <... ioctl resumed>) = 0 [pid 5829] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6391] close(3 [pid 5829] <... umount2 resumed>) = 0 [pid 6391] <... close resumed>) = 0 [ 142.217178][ T6392] loop1: detected capacity change from 0 to 1024 [ 142.245168][ T6391] loop4: detected capacity change from 0 to 1024 [pid 6391] close(4 [pid 5829] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6392] <... mount resumed>) = 0 [pid 6391] <... close resumed>) = 0 [pid 6390] <... sync resumed>) = 0 [pid 6392] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6390] exit_group(0 [pid 6392] <... openat resumed>) = 3 [pid 6391] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6392] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6391] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6390] <... exit_group resumed>) = ? [pid 6392] <... chdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6392] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6390] +++ exited with 0 +++ [pid 5829] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6390, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6392] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6392] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6392] <... mknod resumed>) = 0 [pid 6391] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6391] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 6391] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] newfstatat(3, "", [pid 6391] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6391] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] getdents64(3, [pid 6391] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6392] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6391] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] newfstatat(4, "", ./strace-static-x86_64: Process 6393 attached [pid 6392] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6393] set_robust_list(0x555567654760, 24 [pid 6392] sync( [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6393 [pid 6393] <... set_robust_list resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6391] <... mknod resumed>) = 0 [pid 6391] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6393] chdir("./107" [pid 5829] close(4 [pid 6393] <... chdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] rmdir("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6393] <... prctl resumed>) = 0 [pid 6393] setpgid(0, 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6393] <... setpgid resumed>) = 0 [pid 5829] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6391] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6391] sync( [pid 5829] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6393] <... openat resumed>) = 3 [pid 6392] <... sync resumed>) = 0 [pid 5829] unlink("./110/binderfs" [pid 6393] write(3, "1000", 4) = 4 [pid 6392] exit_group(0 [pid 5829] <... unlink resumed>) = 0 [pid 6393] close(3 [pid 6392] <... exit_group resumed>) = ? [pid 5829] getdents64(3, [pid 6393] <... close resumed>) = 0 [pid 6392] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6393] symlink("/dev/binderfs", "./binderfs" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6392, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- executing program [pid 6393] <... symlink resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] close(3 [pid 6393] write(1, "executing program\n", 18 [pid 5832] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6393] <... write resumed>) = 18 [pid 5829] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6393] memfd_create("syzkaller", 0 [pid 5832] newfstatat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] rmdir("./110" [pid 6393] <... memfd_create resumed>) = 3 [pid 6393] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6391] <... sync resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6393] <... mmap resumed>) = 0x7fa6be400000 [pid 6391] exit_group(0 [pid 5832] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 6391] <... exit_group resumed>) = ? [pid 5830] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6391] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./111", 0777 [pid 5832] openat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... mkdir resumed>) = 0 [pid 6393] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6391, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6393] <... write resumed>) = 524288 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5832] getdents64(4, [pid 6393] munmap(0x7fa6be400000, 138412032 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] newfstatat(3, "", [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6393] <... munmap resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5830] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5832] close(4 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6394 attached [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6394] set_robust_list(0x555567654760, 24 [pid 5832] rmdir("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6394 [pid 6394] <... set_robust_list resumed>) = 0 [pid 5833] umount2("./105", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./105", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6394] chdir("./111" [pid 5832] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] <... chdir resumed>) = 0 [pid 6393] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6393] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6394] <... prctl resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./107/binderfs", [pid 6394] setpgid(0, 0 [pid 5833] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6394] <... setpgid resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] unlink("./107/binderfs" [pid 5830] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] getdents64(3, [pid 5830] openat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(4, "", [pid 6394] <... openat resumed>) = 3 [pid 6394] write(3, "1000", 4 [pid 5832] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6394] <... write resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5832] rmdir("./107" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6394] close(3 [pid 6393] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 6394] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6394] symlink("/dev/binderfs", "./binderfs" [pid 5832] mkdir("./108", 0777 [pid 6393] close(3 [pid 5830] close(4 [pid 6394] <... symlink resumed>) = 0 [pid 5833] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6394] write(1, "executing program\n", 18 [pid 6393] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] rmdir("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6394] <... write resumed>) = 18 [pid 6393] close(4 [pid 5833] umount2("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... rmdir resumed>) = 0 [pid 6394] memfd_create("syzkaller", 0 [pid 6393] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6393] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6394] <... memfd_create resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... ioctl resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./108/binderfs", [pid 5833] <... openat resumed>) = 4 [pid 5832] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6393] <... mkdir resumed>) = 0 [pid 6394] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6393] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] newfstatat(4, "", [pid 5832] <... close resumed>) = 0 [pid 5830] unlink("./108/binderfs" [pid 6394] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./105/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./108"./strace-static-x86_64: Process 6395 attached ) = 0 [pid 6395] set_robust_list(0x555567654760, 24 [pid 6394] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6395 [pid 5830] mkdir("./109", 0777 [pid 6395] <... set_robust_list resumed>) = 0 [ 142.454004][ T6393] loop2: detected capacity change from 0 to 1024 [pid 6395] chdir("./108" [pid 6394] <... write resumed>) = 524288 [pid 5833] umount2("./105/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6394] munmap(0x7fa6be400000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./105/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./105/binderfs" [pid 5830] <... openat resumed>) = 3 [pid 5833] <... unlink resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6395] <... chdir resumed>) = 0 [pid 6394] <... munmap resumed>) = 0 [pid 5833] close(3 [pid 6395] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6395] <... prctl resumed>) = 0 [pid 6394] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6395] setpgid(0, 0 [pid 5833] rmdir("./105" [pid 5830] <... ioctl resumed>) = 0 [pid 6394] <... openat resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 6394] ioctl(4, LOOP_SET_FD, 3 [pid 5830] close(3 [pid 6393] <... mount resumed>) = 0 [pid 6393] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 6395] <... setpgid resumed>) = 0 [pid 6393] <... openat resumed>) = 3 [pid 5833] mkdir("./106", 0777 [pid 6395] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6393] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6395] <... openat resumed>) = 3 [pid 6393] <... chdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6395] write(3, "1000", 4 [pid 6393] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6395] <... write resumed>) = 4 ./strace-static-x86_64: Process 6396 attached [pid 6395] close(3 [pid 6393] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6395] <... close resumed>) = 0 [pid 6393] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6397 attached [pid 6397] set_robust_list(0x555567654760, 24 [pid 6396] set_robust_list(0x555567654760, 24 [pid 6395] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6396 [pid 6397] <... set_robust_list resumed>) = 0 [pid 6393] <... mknod resumed>) = 0 [pid 6397] chdir("./106" [pid 6395] <... symlink resumed>) = 0 [pid 6396] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6397 [pid 6397] <... chdir resumed>) = 0 executing program [pid 6397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6396] chdir("./109" [pid 6395] write(1, "executing program\n", 18 [pid 6394] <... ioctl resumed>) = 0 [pid 6393] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6396] <... chdir resumed>) = 0 [pid 6395] <... write resumed>) = 18 [pid 6397] <... prctl resumed>) = 0 [pid 6395] memfd_create("syzkaller", 0 [pid 6396] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6397] setpgid(0, 0 [pid 6396] <... prctl resumed>) = 0 [pid 6395] <... memfd_create resumed>) = 3 [pid 6396] setpgid(0, 0 [pid 6395] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6396] <... setpgid resumed>) = 0 [pid 6397] <... setpgid resumed>) = 0 [pid 6395] <... mmap resumed>) = 0x7fa6be400000 [pid 6396] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6396] <... openat resumed>) = 3 [pid 6397] write(3, "1000", 4 [pid 6396] write(3, "1000", 4 [pid 6395] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6396] <... write resumed>) = 4 [pid 6394] close(3 [pid 6393] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6396] close(3 [pid 6393] sync( [pid 6396] <... close resumed>) = 0 [pid 6397] <... write resumed>) = 4 [pid 6396] symlink("/dev/binderfs", "./binderfs" [pid 6397] close(3) = 0 [pid 6397] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6396] <... symlink resumed>) = 0 executing program executing program [pid 6397] write(1, "executing program\n", 18 [pid 6396] write(1, "executing program\n", 18 [pid 6397] <... write resumed>) = 18 [pid 6396] <... write resumed>) = 18 [pid 6394] <... close resumed>) = 0 [pid 6397] memfd_create("syzkaller", 0 [pid 6396] memfd_create("syzkaller", 0 [pid 6394] close(4 [pid 6397] <... memfd_create resumed>) = 3 [pid 6397] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6394] <... close resumed>) = 0 [pid 6394] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6396] <... memfd_create resumed>) = 3 [pid 6394] <... mkdir resumed>) = 0 [pid 6396] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6395] <... write resumed>) = 524288 [pid 6396] <... mmap resumed>) = 0x7fa6be400000 [pid 6394] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 142.572491][ T6394] loop0: detected capacity change from 0 to 1024 [pid 6397] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6395] munmap(0x7fa6be400000, 138412032) = 0 [pid 6397] <... write resumed>) = 524288 [pid 6396] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6395] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6394] <... mount resumed>) = 0 [pid 6393] <... sync resumed>) = 0 [pid 6397] munmap(0x7fa6be400000, 138412032 [pid 6395] <... openat resumed>) = 4 [pid 6394] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6393] exit_group(0 [pid 6397] <... munmap resumed>) = 0 [pid 6397] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6395] ioctl(4, LOOP_SET_FD, 3 [pid 6394] <... openat resumed>) = 3 [pid 6393] <... exit_group resumed>) = ? [pid 6397] <... openat resumed>) = 4 [pid 6397] ioctl(4, LOOP_SET_FD, 3 [pid 6393] +++ exited with 0 +++ [pid 6397] <... ioctl resumed>) = 0 [pid 6397] close(3) = 0 [pid 6397] close(4) = 0 [pid 6397] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6393, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6397] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6394] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6396] <... write resumed>) = 524288 [pid 6394] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] munmap(0x7fa6be400000, 138412032 [pid 6394] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6396] <... munmap resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6396] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6394] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] newfstatat(3, "", [pid 6394] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6396] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6396] ioctl(4, LOOP_SET_FD, 3 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6394] <... mknod resumed>) = 0 [pid 6395] <... ioctl resumed>) = 0 [pid 6394] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6395] close(3) = 0 [pid 6395] close(4 [pid 6396] <... ioctl resumed>) = 0 [pid 6395] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6396] close(3 [pid 6395] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6396] <... close resumed>) = 0 [pid 6395] <... mkdir resumed>) = 0 [pid 6394] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6396] close(4 [pid 6395] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6394] sync( [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6397] <... mount resumed>) = 0 [ 142.660656][ T6397] loop4: detected capacity change from 0 to 1024 [ 142.662432][ T6395] loop3: detected capacity change from 0 to 1024 [ 142.696876][ T6396] loop1: detected capacity change from 0 to 1024 [pid 6397] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6397] <... openat resumed>) = 3 [pid 5831] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6397] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6396] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6396] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] openat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6397] <... chdir resumed>) = 0 [pid 6396] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6397] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6397] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] newfstatat(4, "", [pid 6395] <... mount resumed>) = 0 [pid 6396] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6395] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6395] <... openat resumed>) = 3 [pid 5831] getdents64(4, [pid 6395] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6395] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(4, [pid 6395] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6397] <... mknod resumed>) = 0 [pid 6397] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6395] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6396] <... mount resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6396] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6397] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6396] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6397] sync( [pid 6396] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6395] <... mknod resumed>) = 0 [pid 6394] <... sync resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./107/binderfs", [pid 6396] <... chdir resumed>) = 0 [pid 6395] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6396] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./107/binderfs" [pid 6396] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6394] exit_group(0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, [pid 6394] <... exit_group resumed>) = ? [pid 6396] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6394] +++ exited with 0 +++ [pid 5831] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6394, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./107" [pid 5829] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] mkdir("./108", 0777 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] getdents64(3, [pid 5831] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 6396] <... mknod resumed>) = 0 [pid 5831] close(3 [pid 6395] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6395] sync( [pid 5831] <... close resumed>) = 0 [pid 6396] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6398 attached [pid 5829] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6398] set_robust_list(0x555567654760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6398 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6398] <... set_robust_list resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6398] chdir("./108" [pid 5829] <... openat resumed>) = 4 [pid 6398] <... chdir resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6398] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6398] <... prctl resumed>) = 0 [pid 5829] getdents64(4, [pid 6398] setpgid(0, 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6398] <... setpgid resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6398] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] close(4 [pid 6396] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... close resumed>) = 0 [pid 6396] sync( [pid 5829] rmdir("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6395] <... sync resumed>) = 0 [pid 6395] exit_group(0) = ? [pid 6398] <... openat resumed>) = 3 [pid 6395] +++ exited with 0 +++ [pid 5829] <... rmdir resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6395, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6398] write(3, "1000", 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6398] <... write resumed>) = 4 [pid 6398] close(3 [pid 6397] <... sync resumed>) = 0 [pid 6396] <... sync resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6398] <... close resumed>) = 0 [pid 6398] symlink("/dev/binderfs", "./binderfs" [pid 6397] exit_group(0 [pid 6396] exit_group(0executing program [pid 6398] <... symlink resumed>) = 0 [pid 6397] <... exit_group resumed>) = ? [pid 6396] <... exit_group resumed>) = ? [pid 5829] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6398] write(1, "executing program\n", 18 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./111/binderfs", [pid 6396] +++ exited with 0 +++ [pid 5832] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6398] <... write resumed>) = 18 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6396, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6398] memfd_create("syzkaller", 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] unlink("./111/binderfs" [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5832] newfstatat(3, "", [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5829] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 6397] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./111" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6397, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(3, "", [pid 6398] <... memfd_create resumed>) = 3 [pid 6398] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] mkdir("./112", 0777 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] umount2("./106", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./106", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5830] getdents64(3, [pid 6398] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... ioctl resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] close(3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... close resumed>) = 0 [pid 5833] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6399 attached [pid 6398] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6399] set_robust_list(0x555567654760, 24) = 0 [pid 6399] chdir("./112" [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6399 [pid 6399] <... chdir resumed>) = 0 [pid 6399] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6399] setpgid(0, 0) = 0 [pid 6399] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6399] write(3, "1000", 4) = 4 [pid 6399] close(3) = 0 [pid 6399] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6399] write(1, "executing program\n", 18) = 18 [pid 6399] memfd_create("syzkaller", 0) = 3 [pid 6399] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6398] <... write resumed>) = 524288 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] newfstatat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6398] munmap(0x7fa6be400000, 138412032 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6398] <... munmap resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6398] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6398] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6398] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6398] ioctl(4, LOOP_CLR_FD [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6398] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6398] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6398] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6398] close(4 [pid 5833] getdents64(4, [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6398] <... close resumed>) = 0 [pid 5833] close(4 [pid 5830] getdents64(4, [pid 6398] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./106/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6398] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] close(4 [pid 6399] <... write resumed>) = 524288 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5832] close(4 [pid 5830] rmdir("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./106/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./106/binderfs", [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6398] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./106/binderfs" [pid 5832] rmdir("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(AT_FDCWD, "./109/binderfs", [pid 6398] <... mknod resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6399] munmap(0x7fa6be400000, 138412032 [pid 5830] unlink("./109/binderfs" [pid 6399] <... munmap resumed>) = 0 [pid 6398] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 6399] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 6399] <... openat resumed>) = 4 [pid 6398] <... link resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6399] ioctl(4, LOOP_SET_FD, 3 [pid 6398] sync( [pid 5833] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./108/binderfs", [pid 5830] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] rmdir("./106") = 0 [pid 5832] unlink("./108/binderfs" [pid 5830] rmdir("./109") = 0 [pid 5830] mkdir("./110", 0777 [pid 5833] mkdir("./107", 0777) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6398] <... sync resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6398] exit_group(0 [pid 5833] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6398] <... exit_group resumed>) = ? [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... close resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 6398] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5832] rmdir("./108" [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6400 attached [pid 5832] <... rmdir resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6398, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6400] set_robust_list(0x555567654760, 24 [pid 5831] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6400 [pid 6400] <... set_robust_list resumed>) = 0 [pid 5832] mkdir("./109", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6400] chdir("./110" [pid 6399] <... ioctl resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6399] close(3) = 0 [pid 6399] close(4 [pid 5831] newfstatat(3, "", [pid 6400] <... chdir resumed>) = 0 [pid 6399] <... close resumed>) = 0 [ 143.002802][ T6399] loop0: detected capacity change from 0 to 1024 [pid 6400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6399] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6400] <... prctl resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 6400] setpgid(0, 0 [pid 6399] <... mkdir resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6400] <... setpgid resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6401 ./strace-static-x86_64: Process 6401 attached [pid 6400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6399] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6400] <... openat resumed>) = 3 [pid 6401] set_robust_list(0x555567654760, 24 [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6401] <... set_robust_list resumed>) = 0 [pid 6401] chdir("./107") = 0 [pid 6401] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... unlink resumed>) = 0 [pid 6401] <... prctl resumed>) = 0 [pid 5831] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6401] setpgid(0, 0 [pid 6400] write(3, "1000", 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6401] <... setpgid resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] newfstatat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6400] <... write resumed>) = 4 [pid 6401] <... openat resumed>) = 3 [pid 6400] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6401] write(3, "1000", 4) = 4 [pid 6401] close(3) = 0 [pid 6400] <... close resumed>) = 0 ./strace-static-x86_64: Process 6402 attached [pid 5831] unlink("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6400] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 6401] symlink("/dev/binderfs", "./binderfs" [pid 6400] <... symlink resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6402] set_robust_list(0x555567654760, 24 [pid 6401] <... symlink resumed>) = 0 [pid 6400] write(1, "executing program\n", 18 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6402 [pid 5831] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6401] write(1, "executing program\n", 18 [pid 6400] <... write resumed>) = 18 [pid 6401] <... write resumed>) = 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] <... set_robust_list resumed>) = 0 [pid 6400] memfd_create("syzkaller", 0 [pid 6402] chdir("./109" [pid 5831] newfstatat(AT_FDCWD, "./108/binderfs", [pid 6402] <... chdir resumed>) = 0 [pid 6401] memfd_create("syzkaller", 0 [pid 6399] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] <... memfd_create resumed>) = 3 [pid 6400] <... memfd_create resumed>) = 3 [pid 6399] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] unlink("./108/binderfs" [pid 6402] <... prctl resumed>) = 0 [pid 6400] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6399] <... openat resumed>) = 3 [pid 6399] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6401] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6400] <... mmap resumed>) = 0x7fa6be400000 [pid 6399] <... chdir resumed>) = 0 [pid 6402] setpgid(0, 0 [pid 6401] <... mmap resumed>) = 0x7fa6be400000 [pid 6402] <... setpgid resumed>) = 0 [pid 6401] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6400] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6399] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 6399] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6399] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] getdents64(3, [pid 6399] <... mknod resumed>) = 0 [pid 6399] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6402] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6402] write(3, "1000", 4 [pid 5831] close(3 [pid 6402] <... write resumed>) = 4 [pid 6402] close(3 [pid 5831] <... close resumed>) = 0 [pid 6402] <... close resumed>) = 0 [pid 5831] rmdir("./108" [pid 6402] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... rmdir resumed>) = 0 [pid 6402] <... symlink resumed>) = 0 [pid 5831] mkdir("./109", 0777 [pid 6402] write(1, "executing program\n", 18executing program [pid 6399] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6402] <... write resumed>) = 18 [pid 6401] <... write resumed>) = 524288 [pid 6400] <... write resumed>) = 524288 [pid 5831] <... mkdir resumed>) = 0 [pid 6401] munmap(0x7fa6be400000, 138412032 [pid 6400] munmap(0x7fa6be400000, 138412032 [pid 6399] sync( [pid 6402] memfd_create("syzkaller", 0 [pid 6401] <... munmap resumed>) = 0 [pid 6400] <... munmap resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6402] <... memfd_create resumed>) = 3 [pid 6402] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6401] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... openat resumed>) = 3 [pid 6402] <... mmap resumed>) = 0x7fa6be400000 [pid 6401] <... openat resumed>) = 4 [pid 6400] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6401] ioctl(4, LOOP_SET_FD, 3 [pid 6400] <... openat resumed>) = 4 [pid 6400] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6400] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6400] ioctl(4, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6400] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6400] close(4) = 0 [pid 6400] close(3 [pid 6399] <... sync resumed>) = 0 [pid 6399] exit_group(0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6403 [pid 6399] <... exit_group resumed>) = ? [pid 6402] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6399] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6399, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6403 attached ) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6403] set_robust_list(0x555567654760, 24 [pid 6401] <... ioctl resumed>) = 0 [pid 6400] <... close resumed>) = 0 [pid 5829] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6403] <... set_robust_list resumed>) = 0 [pid 6403] chdir("./109" [pid 5829] <... umount2 resumed>) = 0 [pid 6403] <... chdir resumed>) = 0 [pid 6401] close(3 [pid 6403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] <... close resumed>) = 0 [ 143.130789][ T6401] loop4: detected capacity change from 0 to 1024 [pid 6403] <... prctl resumed>) = 0 [pid 6402] <... write resumed>) = 524288 [pid 6401] close(4 [pid 6400] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6400] <... mknod resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] munmap(0x7fa6be400000, 138412032 [pid 6401] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6403] setpgid(0, 0 [pid 6401] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6403] <... setpgid resumed>) = 0 [pid 6401] <... mkdir resumed>) = 0 [pid 6400] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6402] <... munmap resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6402] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6400] <... link resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6403] <... openat resumed>) = 3 [pid 6402] <... openat resumed>) = 4 [pid 6400] sync( [pid 5829] openat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6402] ioctl(4, LOOP_SET_FD, 3 [pid 6401] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 6403] write(3, "1000", 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6403] <... write resumed>) = 4 [pid 5829] getdents64(4, [pid 6403] close(3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6403] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 6403] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6403] <... symlink resumed>) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6403] write(1, "executing program\n", 18 [pid 5829] <... rmdir resumed>) = 0 [pid 6403] <... write resumed>) = 18 [pid 5829] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6403] memfd_create("syzkaller", 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./112/binderfs", [pid 6403] <... memfd_create resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6403] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] unlink("./112/binderfs" [pid 6403] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... unlink resumed>) = 0 [pid 6403] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./112") = 0 [pid 5829] mkdir("./113", 0777) = 0 [pid 6402] <... ioctl resumed>) = 0 [pid 6401] <... mount resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6401] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6402] close(3 [pid 6401] <... openat resumed>) = 3 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 6402] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6402] close(4 [pid 6401] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6402] <... close resumed>) = 0 [pid 6401] openat(AT_FDCWD, "/dev/loop4", O_RDWR./strace-static-x86_64: Process 6404 attached [pid 6403] <... write resumed>) = 524288 [pid 6402] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6401] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6400] <... sync resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6404 [pid 6401] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6402] <... mkdir resumed>) = 0 [pid 6400] exit_group(0) = ? [pid 6400] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6400, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6404] set_robust_list(0x555567654760, 24 [pid 6403] munmap(0x7fa6be400000, 138412032) = 0 [pid 6401] <... mknod resumed>) = 0 [ 143.197451][ T6402] loop3: detected capacity change from 0 to 1024 [pid 6401] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6402] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6403] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6403] ioctl(4, LOOP_SET_FD, 3 [pid 6404] <... set_robust_list resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6404] chdir("./113" [pid 5830] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6404] <... chdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6403] <... ioctl resumed>) = 0 [pid 6404] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6401] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] newfstatat(3, "", [pid 6404] <... prctl resumed>) = 0 [pid 6401] sync( [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6404] setpgid(0, 0 [pid 5830] getdents64(3, [pid 6403] close(3) = 0 [pid 6403] close(4 [pid 6404] <... setpgid resumed>) = 0 [pid 6403] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6404] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6403] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6404] <... openat resumed>) = 3 [pid 6403] <... mkdir resumed>) = 0 [pid 5830] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6404] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6404] <... write resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6404] close(3) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6404] symlink("/dev/binderfs", "./binderfs" [pid 5830] unlink("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6404] <... symlink resumed>) = 0 [pid 6403] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6404] write(1, "executing program\n", 18 [pid 6402] <... mount resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 executing program [pid 6404] <... write resumed>) = 18 [pid 6402] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6404] memfd_create("syzkaller", 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6402] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] unlink("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6402] <... chdir resumed>) = 0 [pid 6402] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] <... unlink resumed>) = 0 [pid 6404] <... memfd_create resumed>) = 3 [pid 6402] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6404] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./110/binderfs", [pid 6404] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./110/binderfs") = 0 [ 143.261940][ T6403] loop2: detected capacity change from 0 to 1024 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6402] <... mknod resumed>) = 0 [pid 5830] close(3 [pid 6403] <... mount resumed>) = 0 [pid 6402] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 6403] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] rmdir("./110" [pid 6404] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6403] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6403] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] mkdir("./111", 0777 [pid 6403] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6403] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6402] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... mkdir resumed>) = 0 [pid 6402] sync( [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6403] <... mknod resumed>) = 0 ./strace-static-x86_64: Process 6405 attached [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6405 [pid 6403] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6401] <... sync resumed>) = 0 [pid 6405] set_robust_list(0x555567654760, 24 [pid 6401] exit_group(0 [pid 6405] <... set_robust_list resumed>) = 0 [pid 6405] chdir("./111" [pid 6401] <... exit_group resumed>) = ? [pid 6404] <... write resumed>) = 524288 [pid 6405] <... chdir resumed>) = 0 [pid 6404] munmap(0x7fa6be400000, 138412032 [pid 6405] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6404] <... munmap resumed>) = 0 [pid 6401] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6401, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6405] setpgid(0, 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6405] <... setpgid resumed>) = 0 [pid 6404] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6403] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... restart_syscall resumed>) = 0 [pid 6405] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6404] <... openat resumed>) = 4 [pid 6403] sync( [pid 6405] <... openat resumed>) = 3 [pid 6404] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./107", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] write(3, "1000", 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./107", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 6405] <... write resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6405] close(3 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] <... close resumed>) = 0 [pid 6403] <... sync resumed>) = 0 [pid 6405] symlink("/dev/binderfs", "./binderfs" [pid 6403] exit_group(0 [pid 6402] <... sync resumed>) = 0 executing program [pid 6405] <... symlink resumed>) = 0 [pid 6403] <... exit_group resumed>) = ? [pid 6405] write(1, "executing program\n", 18 [pid 6402] exit_group(0 [pid 6405] <... write resumed>) = 18 [pid 6403] +++ exited with 0 +++ [pid 6402] <... exit_group resumed>) = ? [pid 6405] memfd_create("syzkaller", 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6403, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6405] <... memfd_create resumed>) = 3 [pid 5831] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6402] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6405] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] newfstatat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6402, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] <... openat resumed>) = 3 [pid 5833] umount2("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6405] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] newfstatat(3, "", [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./107/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6404] <... ioctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6404] close(3) = 0 [pid 5831] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./107/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6404] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./107/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./107/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./107") = 0 [pid 5833] mkdir("./108", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6404] <... close resumed>) = 0 [ 143.382672][ T6404] loop0: detected capacity change from 0 to 1024 [pid 6404] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6405] <... write resumed>) = 524288 [pid 6404] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = 0 [pid 6405] munmap(0x7fa6be400000, 138412032 [pid 6404] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6406 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 5832] getdents64(3, [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] close(4./strace-static-x86_64: Process 6406 attached [pid 6405] <... munmap resumed>) = 0 [pid 5832] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./109/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] unlink("./109/binderfs" [pid 6405] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 6405] ioctl(4, LOOP_SET_FD, 3 [pid 6404] <... mount resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5832] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./109" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... rmdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] mkdir("./110", 0777 [pid 5832] <... openat resumed>) = 4 [pid 5831] <... mkdir resumed>) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6405] <... ioctl resumed>) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] getdents64(4, [pid 5831] <... openat resumed>) = 3 [pid 6406] set_robust_list(0x555567654760, 24 [pid 6404] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6406] <... set_robust_list resumed>) = 0 [pid 6405] close(3 [pid 6404] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6404] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6406] chdir("./108" [pid 5831] close(3 [pid 6406] <... chdir resumed>) = 0 [pid 6405] <... close resumed>) = 0 [pid 6404] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6405] close(4) = 0 [pid 6404] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] close(4 [pid 5831] <... close resumed>) = 0 [pid 6405] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6405] <... mkdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6405] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] newfstatat(AT_FDCWD, "./109/binderfs", [pid 6406] <... prctl resumed>) = 0 [pid 6404] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./109/binderfs") = 0 [pid 6406] setpgid(0, 0) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./109" [pid 6406] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./110", 0777) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6406] write(3, "1000", 4) = 4 ./strace-static-x86_64: Process 6407 attached [pid 6406] close(3) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6406] symlink("/dev/binderfs", "./binderfs" [pid 6404] <... mknod resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 6407] set_robust_list(0x555567654760, 24 [pid 6406] <... symlink resumed>) = 0 [pid 6404] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6406] write(1, "executing program\n", 18executing program [pid 6407] <... set_robust_list resumed>) = 0 [pid 5832] close(3 [pid 6407] chdir("./110" [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6408 attached [pid 6406] <... write resumed>) = 18 [pid 6406] memfd_create("syzkaller", 0 [pid 6407] <... chdir resumed>) = 0 [ 143.468796][ T6405] loop1: detected capacity change from 0 to 1024 [pid 6406] <... memfd_create resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6407 [pid 6408] set_robust_list(0x555567654760, 24 [pid 6407] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6408] <... set_robust_list resumed>) = 0 [pid 6407] setpgid(0, 0 [pid 6408] chdir("./110" [pid 6407] <... setpgid resumed>) = 0 [pid 6407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6406] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6408] <... chdir resumed>) = 0 [pid 6406] <... mmap resumed>) = 0x7fa6be400000 [pid 6408] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6407] <... openat resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6408 [pid 6408] <... prctl resumed>) = 0 [pid 6407] write(3, "1000", 4 [pid 6408] setpgid(0, 0 [pid 6407] <... write resumed>) = 4 [pid 6408] <... setpgid resumed>) = 0 [pid 6407] close(3 [pid 6408] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6407] <... close resumed>) = 0 [pid 6407] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6408] <... openat resumed>) = 3 [pid 6407] write(1, "executing program\n", 18) = 18 [pid 6407] memfd_create("syzkaller", 0 [pid 6408] write(3, "1000", 4) = 4 [pid 6407] <... memfd_create resumed>) = 3 [pid 6408] close(3) = 0 [pid 6407] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6408] symlink("/dev/binderfs", "./binderfs" [pid 6407] <... mmap resumed>) = 0x7fa6be400000 [pid 6408] <... symlink resumed>) = 0 [pid 6406] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6408] write(1, "executing program\n", 18executing program ) = 18 [pid 6408] memfd_create("syzkaller", 0) = 3 [pid 6408] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6407] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6404] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6404] sync( [pid 6405] <... mount resumed>) = 0 [pid 6408] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6405] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6407] <... write resumed>) = 524288 [pid 6405] <... openat resumed>) = 3 [pid 6407] munmap(0x7fa6be400000, 138412032) = 0 [pid 6406] <... write resumed>) = 524288 [pid 6405] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6404] <... sync resumed>) = 0 [pid 6406] munmap(0x7fa6be400000, 138412032 [pid 6405] <... chdir resumed>) = 0 [pid 6404] exit_group(0) = ? [pid 6405] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6408] <... write resumed>) = 524288 [pid 6407] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6404] +++ exited with 0 +++ [pid 6405] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6408] munmap(0x7fa6be400000, 138412032 [pid 6407] <... openat resumed>) = 4 [pid 6408] <... munmap resumed>) = 0 [pid 6407] ioctl(4, LOOP_SET_FD, 3 [pid 6406] <... munmap resumed>) = 0 [pid 6405] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6404, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6408] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6405] <... mknod resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6408] <... openat resumed>) = 4 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6408] ioctl(4, LOOP_SET_FD, 3 [pid 6405] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6406] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5829] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6406] ioctl(4, LOOP_SET_FD, 3 [pid 5829] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6407] <... ioctl resumed>) = 0 [pid 6407] close(3) = 0 [pid 6407] close(4) = 0 [pid 6407] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6407] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6405] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6405] sync( [pid 6406] <... ioctl resumed>) = 0 [pid 6406] close(3) = 0 [pid 6406] close(4) = 0 [pid 6406] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... umount2 resumed>) = 0 [pid 6408] <... ioctl resumed>) = 0 [pid 6406] <... mkdir resumed>) = 0 [pid 6408] close(3 [pid 6406] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6408] <... close resumed>) = 0 [pid 6407] <... mount resumed>) = 0 [pid 6408] close(4) = 0 [pid 6407] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6408] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6407] <... openat resumed>) = 3 [pid 6407] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6407] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6407] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] newfstatat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6407] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6407] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6407] <... mknod resumed>) = 0 [ 143.595542][ T6407] loop2: detected capacity change from 0 to 1024 [ 143.620621][ T6408] loop3: detected capacity change from 0 to 1024 [ 143.632613][ T6406] loop4: detected capacity change from 0 to 1024 [pid 6407] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6406] <... mount resumed>) = 0 [pid 6407] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6406] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6407] sync( [pid 6406] <... openat resumed>) = 3 [pid 6406] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6406] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6406] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6406] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6408] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6408] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] close(4) = 0 [pid 5829] rmdir("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./113/binderfs") = 0 [pid 5829] getdents64(3, [pid 6406] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6406] sync( [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./113") = 0 [pid 5829] mkdir("./114", 0777 [pid 6408] <... mount resumed>) = 0 [pid 6407] <... sync resumed>) = 0 [pid 6405] <... sync resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6408] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6407] exit_group(0 [pid 6405] exit_group(0 [pid 6408] <... openat resumed>) = 3 [pid 6407] <... exit_group resumed>) = ? [pid 6405] <... exit_group resumed>) = ? [pid 6408] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6408] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6407] +++ exited with 0 +++ [pid 6405] +++ exited with 0 +++ [pid 6408] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6407, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6405, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] <... openat resumed>) = 3 [pid 5830] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] close(3 [pid 5830] newfstatat(3, "", [pid 6408] <... mknod resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6408] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6406] <... sync resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 5831] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6406] exit_group(0 [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6406] <... exit_group resumed>) = ? [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6408] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6406] +++ exited with 0 +++ [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6408] sync(./strace-static-x86_64: Process 6409 attached [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6406, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6409 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./108", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./108", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6409] set_robust_list(0x555567654760, 24 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5831] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", [pid 6409] <... set_robust_list resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 6409] chdir("./114" [pid 5831] rmdir("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6409] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6409] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6409] setpgid(0, 0 [pid 5833] newfstatat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = 0 [pid 6409] <... setpgid resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] openat(AT_FDCWD, "./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6409] <... openat resumed>) = 3 [pid 5833] newfstatat(4, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6409] write(3, "1000", 4 [pid 6408] <... sync resumed>) = 0 [pid 6409] <... write resumed>) = 4 [pid 6409] close(3 [pid 6408] exit_group(0 [pid 5831] newfstatat(AT_FDCWD, "./110/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6409] <... close resumed>) = 0 [pid 6408] <... exit_group resumed>) = ? [pid 6409] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] unlink("./110/binderfs") = 0 [pid 5833] getdents64(4, [pid 6408] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(3, [pid 6409] <... symlink resumed>) = 0 [pid 5833] getdents64(4, executing program [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6409] write(1, "executing program\n", 18 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6408, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] close(3 [pid 6409] <... write resumed>) = 18 [pid 5833] close(4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6409] memfd_create("syzkaller", 0 [pid 5833] <... close resumed>) = 0 [pid 5831] rmdir("./110" [pid 6409] <... memfd_create resumed>) = 3 [pid 5833] rmdir("./108/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 5830] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6409] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] mkdir("./111", 0777 [pid 6409] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] umount2("./108/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./108/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] unlink("./108/binderfs" [pid 5830] openat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... unlink resumed>) = 0 [pid 5832] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] <... openat resumed>) = 4 [pid 5833] getdents64(3, [pid 5832] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, [pid 5831] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 6409] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] rmdir("./108" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... rmdir resumed>) = 0 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, ./strace-static-x86_64: Process 6410 attached [pid 6409] <... write resumed>) = 524288 [pid 5833] mkdir("./109", 0777 [pid 5832] <... umount2 resumed>) = 0 [pid 6410] set_robust_list(0x555567654760, 24 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6409] munmap(0x7fa6be400000, 138412032 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6410] <... set_robust_list resumed>) = 0 [pid 6410] chdir("./111" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6410 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6410] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6410] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6410] <... prctl resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] close(4 [pid 6410] setpgid(0, 0 [pid 5833] close(3 [pid 5832] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 6410] <... setpgid resumed>) = 0 [pid 6409] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6410] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] newfstatat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6411 attached [pid 6410] <... openat resumed>) = 3 [pid 6409] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6411] set_robust_list(0x555567654760, 24) = 0 [pid 6410] write(3, "1000", 4 [pid 6409] <... openat resumed>) = 4 [pid 5832] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6411] chdir("./109" [pid 6410] <... write resumed>) = 4 [pid 6409] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6411] <... chdir resumed>) = 0 [pid 6410] close(3 [pid 5832] openat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6410] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./111/binderfs", [pid 6410] symlink("/dev/binderfs", "./binderfs" [pid 5832] newfstatat(4, "", [pid 6410] <... symlink resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6411 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6411] <... prctl resumed>) = 0 [pid 6410] write(1, "executing program\n", 18 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6411] setpgid(0, 0) = 0 [pid 6410] <... write resumed>) = 18 [pid 5830] unlink("./111/binderfs" [pid 5832] getdents64(4, [pid 6411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... unlink resumed>) = 0 [pid 6410] memfd_create("syzkaller", 0) = 3 [pid 6410] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] getdents64(4, [pid 5830] getdents64(3, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6411] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5832] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./110/binderfs") = 0 [pid 6411] write(3, "1000", 4 [pid 5830] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] rmdir("./111" [pid 6411] <... write resumed>) = 4 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6411] close(3 [pid 5832] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 6411] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] mkdir("./112", 0777 [pid 5832] rmdir("./110" [pid 6411] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... mkdir resumed>) = 0 [pid 6411] <... symlink resumed>) = 0 [pid 6409] <... ioctl resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWRexecuting program [pid 6411] write(1, "executing program\n", 18 [pid 6410] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6409] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6411] <... write resumed>) = 18 [pid 5832] mkdir("./111", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6411] memfd_create("syzkaller", 0) = 3 [pid 6409] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6411] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6409] close(4) = 0 [pid 6411] <... mmap resumed>) = 0x7fa6be400000 [pid 6409] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] close(3 [pid 6410] <... write resumed>) = 524288 [pid 6409] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6409] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6412 attached [pid 6411] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6412] set_robust_list(0x555567654760, 24) = 0 [ 143.905777][ T6409] loop0: detected capacity change from 0 to 1024 [pid 6412] chdir("./111") = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6412 [pid 6409] <... mount resumed>) = 0 [pid 6412] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6409] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6412] <... prctl resumed>) = 0 [pid 6412] setpgid(0, 0) = 0 [pid 6412] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6411] <... write resumed>) = 524288 [pid 6410] munmap(0x7fa6be400000, 138412032 [pid 6409] <... openat resumed>) = 3 [pid 6412] write(3, "1000", 4 [pid 6411] munmap(0x7fa6be400000, 138412032 [pid 6410] <... munmap resumed>) = 0 [pid 6409] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6412] <... write resumed>) = 4 [pid 6411] <... munmap resumed>) = 0 [pid 6409] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6412] close(3 [pid 6410] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6409] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6412] <... close resumed>) = 0 [pid 6410] <... openat resumed>) = 4 [pid 6412] symlink("/dev/binderfs", "./binderfs" [pid 6410] ioctl(4, LOOP_SET_FD, 3 [pid 6412] <... symlink resumed>) = 0 [pid 6410] <... ioctl resumed>) = 0 [pid 6409] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6412] write(1, "executing program\n", 18 [pid 6411] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6412] <... write resumed>) = 18 [pid 6411] <... openat resumed>) = 4 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6412] memfd_create("syzkaller", 0 [pid 6411] ioctl(4, LOOP_SET_FD, 3 [pid 6409] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6413 attached [pid 6411] <... ioctl resumed>) = 0 [pid 6412] <... memfd_create resumed>) = 3 [pid 6412] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6413 [pid 6413] set_robust_list(0x555567654760, 24 [pid 6412] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6409] <... mknod resumed>) = 0 [pid 6409] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6410] close(3 [pid 6413] <... set_robust_list resumed>) = 0 [pid 6412] <... write resumed>) = 524288 [pid 6411] close(3 [pid 6409] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6413] chdir("./112" [pid 6409] sync( [pid 6413] <... chdir resumed>) = 0 [pid 6412] munmap(0x7fa6be400000, 138412032 [pid 6411] <... close resumed>) = 0 [pid 6410] <... close resumed>) = 0 [pid 6413] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6412] <... munmap resumed>) = 0 [pid 6411] close(4 [pid 6410] close(4 [pid 6413] <... prctl resumed>) = 0 [pid 6413] setpgid(0, 0 [pid 6411] <... close resumed>) = 0 [pid 6410] <... close resumed>) = 0 [pid 6413] <... setpgid resumed>) = 0 [pid 6412] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6411] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6413] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6410] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6413] <... openat resumed>) = 3 [pid 6412] <... openat resumed>) = 4 [pid 6411] <... mkdir resumed>) = 0 [pid 6410] <... mkdir resumed>) = 0 [pid 6412] ioctl(4, LOOP_SET_FD, 3 [pid 6411] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6410] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6412] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6412] ioctl(4, LOOP_CLR_FD [pid 6413] write(3, "1000", 4 [pid 6412] <... ioctl resumed>) = 0 [pid 6412] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [ 143.989052][ T6410] loop2: detected capacity change from 0 to 1024 [ 144.000663][ T6411] loop4: detected capacity change from 0 to 1024 [pid 6412] close(4) = 0 [pid 6412] close(3 [pid 6413] <... write resumed>) = 4 [pid 6413] close(3) = 0 [pid 6413] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6413] write(1, "executing program\n", 18) = 18 [pid 6412] <... close resumed>) = 0 [pid 6411] <... mount resumed>) = 0 [pid 6410] <... mount resumed>) = 0 [pid 6411] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6413] memfd_create("syzkaller", 0) = 3 [pid 6411] <... openat resumed>) = 3 [pid 6410] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6413] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6411] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6410] <... openat resumed>) = 3 [pid 6413] <... mmap resumed>) = 0x7fa6be400000 [pid 6411] <... chdir resumed>) = 0 [pid 6410] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6411] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6410] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6411] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6410] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6411] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6410] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6413] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6412] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6409] <... sync resumed>) = 0 [pid 6412] <... mknod resumed>) = 0 [pid 6412] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6412] sync( [pid 6410] <... mknod resumed>) = 0 [pid 6409] exit_group(0 [pid 6411] <... mknod resumed>) = 0 [pid 6410] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6409] <... exit_group resumed>) = ? [pid 6411] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6409] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6409, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6410] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6410] sync( [pid 6411] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6411] sync( [pid 6412] <... sync resumed>) = 0 [pid 6411] <... sync resumed>) = 0 [pid 6411] exit_group(0) = ? [pid 6411] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6411, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6412] exit_group(0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6412] <... exit_group resumed>) = ? [pid 6413] <... write resumed>) = 524288 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] umount2("./109", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./109", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6412] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6412, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] getdents64(3, [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6410] <... sync resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6410] exit_group(0 [pid 5832] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6413] munmap(0x7fa6be400000, 138412032 [pid 6410] <... exit_group resumed>) = ? [pid 5832] <... openat resumed>) = 3 [pid 6413] <... munmap resumed>) = 0 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6413] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6410] +++ exited with 0 +++ [pid 5832] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6413] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6410, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6413] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] unlink("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 4 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] newfstatat(4, "", [pid 5831] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] newfstatat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] unlink("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] close(4 [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./111/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./111/binderfs" [pid 5829] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./114/binderfs", [pid 5832] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] unlink("./114/binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5829] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] rmdir("./111") = 0 [pid 5829] getdents64(3, [pid 5833] umount2("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6413] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6413] close(3 [pid 5833] openat(AT_FDCWD, "./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] mkdir("./112", 0777 [pid 6413] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 6413] close(4 [pid 5833] newfstatat(4, "", [pid 5829] <... close resumed>) = 0 [pid 6413] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] rmdir("./114" [pid 6413] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... rmdir resumed>) = 0 [pid 6413] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] close(4 [pid 5832] close(3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] mkdir("./115", 0777 [pid 6413] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] rmdir("./109/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [ 144.162294][ T6413] loop1: detected capacity change from 0 to 1024 ./strace-static-x86_64: Process 6414 attached [pid 5831] <... umount2 resumed>) = 0 [pid 5833] umount2("./109/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6414] set_robust_list(0x555567654760, 24 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6414] <... set_robust_list resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./109/binderfs", [pid 5829] <... openat resumed>) = 3 [pid 6414] chdir("./112" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6414] <... chdir resumed>) = 0 [pid 5833] unlink("./109/binderfs" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6414 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(3 [pid 5831] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6414] <... prctl resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 6414] setpgid(0, 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6414] <... setpgid resumed>) = 0 [pid 5833] close(3 [pid 6414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./109") = 0 ./strace-static-x86_64: Process 6415 attached [pid 6414] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 6415] set_robust_list(0x555567654760, 24 [pid 5833] mkdir("./110", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6415] <... set_robust_list resumed>) = 0 [pid 6414] write(3, "1000", 4 [pid 6413] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] getdents64(4, [pid 6414] <... write resumed>) = 4 [pid 6413] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6414] close(3 [pid 6413] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6414] <... close resumed>) = 0 [pid 6414] symlink("/dev/binderfs", "./binderfs" [pid 6413] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(4, [pid 6415] chdir("./115" [pid 6414] <... symlink resumed>) = 0 [pid 6413] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6415 executing program [pid 6415] <... chdir resumed>) = 0 [pid 6414] write(1, "executing program\n", 18 [pid 6413] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6414] <... write resumed>) = 18 [pid 6413] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6415] <... prctl resumed>) = 0 [pid 6414] memfd_create("syzkaller", 0 [pid 6413] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] rmdir("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6415] setpgid(0, 0) = 0 [pid 6414] <... memfd_create resumed>) = 3 [pid 5833] close(3 [pid 5831] <... rmdir resumed>) = 0 [pid 6414] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... close resumed>) = 0 [pid 6415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6416 attached [pid 6415] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6414] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6415] write(3, "1000", 4 [pid 5831] newfstatat(AT_FDCWD, "./111/binderfs", [pid 6416] set_robust_list(0x555567654760, 24 [pid 6415] <... write resumed>) = 4 [pid 6413] <... mknod resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./111/binderfs" [pid 6415] close(3 [pid 6416] <... set_robust_list resumed>) = 0 [pid 6415] <... close resumed>) = 0 [pid 6413] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... unlink resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6416 [pid 6416] chdir("./110" [pid 6415] symlink("/dev/binderfs", "./binderfs" [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 executing program [pid 6415] <... symlink resumed>) = 0 [pid 5831] close(3 [pid 6416] <... chdir resumed>) = 0 [pid 6415] write(1, "executing program\n", 18 [pid 6416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... close resumed>) = 0 [pid 6416] <... prctl resumed>) = 0 [pid 6415] <... write resumed>) = 18 [pid 5831] rmdir("./111" [pid 6416] setpgid(0, 0 [pid 6415] memfd_create("syzkaller", 0 [pid 6414] <... write resumed>) = 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 6416] <... setpgid resumed>) = 0 [pid 6415] <... memfd_create resumed>) = 3 [pid 5831] mkdir("./112", 0777 [pid 6415] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6413] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6415] <... mmap resumed>) = 0x7fa6be400000 [pid 6413] sync( [pid 6414] munmap(0x7fa6be400000, 138412032 [pid 5831] <... mkdir resumed>) = 0 [pid 6414] <... munmap resumed>) = 0 [pid 6414] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6414] ioctl(4, LOOP_SET_FD, 3 [pid 6416] <... openat resumed>) = 3 [pid 6415] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6416] write(3, "1000", 4) = 4 [pid 6414] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6416] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6416] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6416] symlink("/dev/binderfs", "./binderfs" [pid 5831] close(3 [pid 6416] <... symlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 executing program [pid 6416] write(1, "executing program\n", 18 [pid 6414] close(3 [pid 6413] <... sync resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6416] <... write resumed>) = 18 [pid 6414] <... close resumed>) = 0 [pid 6414] close(4 [pid 6413] exit_group(0 [pid 6414] <... close resumed>) = 0 [pid 6414] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6413] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6417 attached [pid 6416] memfd_create("syzkaller", 0 [pid 6414] <... mkdir resumed>) = 0 [pid 6417] set_robust_list(0x555567654760, 24 [pid 6416] <... memfd_create resumed>) = 3 [pid 6415] <... write resumed>) = 524288 [pid 6414] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6417 [pid 6417] <... set_robust_list resumed>) = 0 [ 144.310073][ T6414] loop3: detected capacity change from 0 to 1024 [pid 6416] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6417] chdir("./112" [pid 6416] <... mmap resumed>) = 0x7fa6be400000 [pid 6415] munmap(0x7fa6be400000, 138412032 [pid 6413] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6413, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6415] <... munmap resumed>) = 0 [pid 5830] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6417] <... chdir resumed>) = 0 [pid 6415] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6417] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6415] <... openat resumed>) = 4 [pid 6414] <... mount resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6414] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6414] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6414] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6417] setpgid(0, 0 [pid 6415] ioctl(4, LOOP_SET_FD, 3 [pid 6414] <... chdir resumed>) = 0 [pid 6416] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6414] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6417] <... setpgid resumed>) = 0 [pid 6414] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6414] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6417] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6414] <... mknod resumed>) = 0 [pid 6414] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6416] <... write resumed>) = 524288 [pid 6417] <... openat resumed>) = 3 [pid 6417] write(3, "1000", 4 [pid 6414] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6417] <... write resumed>) = 4 [pid 6415] <... ioctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6417] close(3 [pid 6416] munmap(0x7fa6be400000, 138412032 [pid 6415] close(3 [pid 6414] sync( [pid 6417] <... close resumed>) = 0 [pid 6417] symlink("/dev/binderfs", "./binderfs" [pid 6416] <... munmap resumed>) = 0 [pid 6415] <... close resumed>) = 0 [pid 5830] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 6417] <... symlink resumed>) = 0 [pid 6415] close(4 [pid 5830] newfstatat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6417] write(1, "executing program\n", 18 [pid 6416] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6415] <... close resumed>) = 0 [pid 6417] <... write resumed>) = 18 [pid 6416] <... openat resumed>) = 4 [pid 6415] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6417] memfd_create("syzkaller", 0 [pid 5830] openat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6416] ioctl(4, LOOP_SET_FD, 3 [pid 6417] <... memfd_create resumed>) = 3 [ 144.390018][ T6415] loop0: detected capacity change from 0 to 1024 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6417] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6415] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6417] <... mmap resumed>) = 0x7fa6be400000 [pid 6415] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6414] <... sync resumed>) = 0 [pid 6414] exit_group(0) = ? [pid 5830] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6417] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./112/binderfs") = 0 [pid 5830] getdents64(3, [pid 6414] +++ exited with 0 +++ [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6414, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] rmdir("./112" [pid 6416] <... ioctl resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6416] close(3) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6416] close(4) = 0 [pid 5830] mkdir("./113", 0777 [pid 5832] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 6415] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6415] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6415] <... openat resumed>) = 3 [pid 6416] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6415] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6418 attached [pid 6415] <... chdir resumed>) = 0 [pid 6416] <... mkdir resumed>) = 0 [pid 6415] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6417] <... write resumed>) = 524288 [ 144.440941][ T6416] loop4: detected capacity change from 0 to 1024 [pid 6418] set_robust_list(0x555567654760, 24 [pid 6417] munmap(0x7fa6be400000, 138412032 [pid 6416] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6415] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6418 [pid 6417] <... munmap resumed>) = 0 [pid 6415] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6418] <... set_robust_list resumed>) = 0 [pid 6418] chdir("./113") = 0 [pid 6417] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6418] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6418] setpgid(0, 0) = 0 [pid 6418] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6418] write(3, "1000", 4) = 4 [pid 6418] close(3) = 0 [pid 6417] <... openat resumed>) = 4 [pid 6417] ioctl(4, LOOP_SET_FD, 3 [pid 6418] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] <... umount2 resumed>) = 0 executing program [pid 6418] write(1, "executing program\n", 18) = 18 [pid 6418] memfd_create("syzkaller", 0 [pid 6415] <... mknod resumed>) = 0 [pid 5832] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6418] <... memfd_create resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6418] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] newfstatat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6418] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6415] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6415] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 6415] sync( [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6416] <... mount resumed>) = 0 [pid 6416] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6417] <... ioctl resumed>) = 0 [pid 6416] <... openat resumed>) = 3 [pid 6416] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6417] close(3 [pid 6416] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] getdents64(4, [pid 6417] <... close resumed>) = 0 [pid 6416] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6416] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6418] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6417] close(4 [pid 6416] <... mknod resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6417] <... close resumed>) = 0 [pid 6416] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6417] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6417] <... mkdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./112/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./112/binderfs") = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./112" [pid 6418] <... write resumed>) = 524288 [ 144.517243][ T6417] loop2: detected capacity change from 0 to 1024 [pid 5832] <... rmdir resumed>) = 0 [pid 6417] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] mkdir("./113", 0777) = 0 [pid 6418] munmap(0x7fa6be400000, 138412032 [pid 6416] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6416] sync( [pid 6418] <... munmap resumed>) = 0 [pid 6418] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6418] <... openat resumed>) = 4 [pid 6418] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6417] <... mount resumed>) = 0 ./strace-static-x86_64: Process 6419 attached [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6419 [pid 6419] set_robust_list(0x555567654760, 24) = 0 [pid 6419] chdir("./113") = 0 [pid 6419] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6419] setpgid(0, 0) = 0 [pid 6419] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6419] write(3, "1000", 4) = 4 [pid 6419] close(3) = 0 [pid 6419] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6418] <... ioctl resumed>) = 0 [pid 6417] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6415] <... sync resumed>) = 0 [pid 6418] close(3 [pid 6417] <... openat resumed>) = 3 [pid 6418] <... close resumed>) = 0 [pid 6417] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 144.605832][ T6418] loop1: detected capacity change from 0 to 1024 [pid 6415] exit_group(0 [pid 6419] write(1, "executing program\n", 18executing program [pid 6418] close(4 [pid 6417] <... chdir resumed>) = 0 [pid 6415] <... exit_group resumed>) = ? [pid 6419] <... write resumed>) = 18 [pid 6418] <... close resumed>) = 0 [pid 6417] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6415] +++ exited with 0 +++ [pid 6419] memfd_create("syzkaller", 0 [pid 6418] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6417] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6415, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6419] <... memfd_create resumed>) = 3 [pid 6418] <... mkdir resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6419] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6417] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6419] <... mmap resumed>) = 0x7fa6be400000 [pid 6418] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6417] <... mknod resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6417] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6419] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6418] <... mount resumed>) = 0 [pid 6417] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6417] sync( [pid 6416] <... sync resumed>) = 0 [pid 5829] getdents64(4, [pid 6418] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6416] exit_group(0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6416] <... exit_group resumed>) = ? [pid 5829] getdents64(4, [pid 6418] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6416] +++ exited with 0 +++ [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6416, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] close(4 [pid 6418] <... chdir resumed>) = 0 [pid 6418] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6418] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... rmdir resumed>) = 0 [pid 6418] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./110", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./115/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./115/binderfs" [pid 5833] openat(AT_FDCWD, "./110", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... unlink resumed>) = 0 [pid 6418] <... mknod resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 6418] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6419] <... write resumed>) = 524288 [pid 5829] close(3) = 0 [pid 5833] newfstatat(3, "", [pid 5829] rmdir("./115" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6419] munmap(0x7fa6be400000, 138412032 [pid 5833] getdents64(3, [pid 5829] mkdir("./116", 0777 [pid 6419] <... munmap resumed>) = 0 [pid 6418] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... mkdir resumed>) = 0 [pid 6418] sync( [pid 6419] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6419] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6419] ioctl(4, LOOP_SET_FD, 3 [pid 5829] close(3 [pid 6417] <... sync resumed>) = 0 [pid 6417] exit_group(0) = ? [pid 6419] <... ioctl resumed>) = 0 [pid 6417] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6417, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 6419] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6419] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6419] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6419] <... close resumed>) = 0 [pid 6419] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6419] <... mkdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6419] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] openat(AT_FDCWD, "./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./110/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./110/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./110/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./110/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [ 144.770586][ T6419] loop3: detected capacity change from 0 to 1024 [pid 5833] rmdir("./110") = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6420 attached [pid 6419] <... mount resumed>) = 0 [pid 5833] mkdir("./111", 0777 [pid 5831] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6420] set_robust_list(0x555567654760, 24 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6420 [pid 5831] newfstatat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6420] <... set_robust_list resumed>) = 0 [pid 6419] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6420] chdir("./116" [pid 6419] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6420] <... chdir resumed>) = 0 [pid 6419] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6420] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6419] <... chdir resumed>) = 0 [pid 6420] setpgid(0, 0) = 0 [pid 6419] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6418] <... sync resumed>) = 0 [pid 6420] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 4 [pid 6420] <... openat resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6420] write(3, "1000", 4 [pid 5833] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6420] <... write resumed>) = 4 [pid 6419] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6418] exit_group(0 [pid 5833] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 6420] close(3 [pid 6419] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6418] <... exit_group resumed>) = ? [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6420] <... close resumed>) = 0 [pid 6420] symlink("/dev/binderfs", "./binderfs" [pid 5831] getdents64(4, [pid 6420] <... symlink resumed>) = 0 executing program [pid 6420] write(1, "executing program\n", 18) = 18 [pid 6420] memfd_create("syzkaller", 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6421 attached [pid 5831] close(4 [pid 6420] <... memfd_create resumed>) = 3 [pid 6420] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5831] <... close resumed>) = 0 [pid 6421] set_robust_list(0x555567654760, 24) = 0 [pid 5831] rmdir("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6421] chdir("./111" [pid 5831] <... rmdir resumed>) = 0 [pid 6421] <... chdir resumed>) = 0 [pid 6421] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6418] +++ exited with 0 +++ [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6421 [pid 5831] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] <... prctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6418, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6421] setpgid(0, 0 [pid 5831] newfstatat(AT_FDCWD, "./112/binderfs", [pid 6421] <... setpgid resumed>) = 0 [pid 6421] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6420] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6419] <... mknod resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6421] <... openat resumed>) = 3 [pid 6419] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] unlink("./112/binderfs" [pid 5830] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 6421] <... write resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6421] close(3 [pid 5831] getdents64(3, [pid 6421] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6421] symlink("/dev/binderfs", "./binderfs" [pid 5831] close(3 [pid 5830] newfstatat(3, "", [pid 6421] <... symlink resumed>) = 0 [pid 6420] <... write resumed>) = 524288 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./112" [pid 5830] getdents64(3, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 executing program [pid 6421] write(1, "executing program\n", 18 [pid 6419] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] mkdir("./113", 0777 [pid 5830] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] <... write resumed>) = 18 [pid 6419] sync( [pid 6421] memfd_create("syzkaller", 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6421] <... memfd_create resumed>) = 3 [pid 6421] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6420] munmap(0x7fa6be400000, 138412032 [pid 6421] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... umount2 resumed>) = 0 [pid 6421] <... write resumed>) = 524288 [pid 6420] <... munmap resumed>) = 0 [pid 5830] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6420] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6420] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6419] <... sync resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6421] munmap(0x7fa6be400000, 138412032 [pid 5830] getdents64(4, [pid 6421] <... munmap resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6422 attached [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6422 [pid 6422] set_robust_list(0x555567654760, 24 [pid 6421] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] getdents64(4, [pid 6419] exit_group(0 [pid 6422] <... set_robust_list resumed>) = 0 [pid 6422] chdir("./113") = 0 [pid 6422] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6422] setpgid(0, 0) = 0 [pid 6422] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6420] <... ioctl resumed>) = 0 [pid 6422] write(3, "1000", 4 [pid 6420] close(3 [pid 6422] <... write resumed>) = 4 [pid 6420] <... close resumed>) = 0 [pid 6422] close(3 [pid 6420] close(4 [pid 6422] <... close resumed>) = 0 [pid 6420] <... close resumed>) = 0 [pid 6422] symlink("/dev/binderfs", "./binderfs" [pid 6420] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6422] <... symlink resumed>) = 0 [pid 6420] <... mkdir resumed>) = 0 executing program [pid 6422] write(1, "executing program\n", 18 [pid 6420] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6422] <... write resumed>) = 18 [pid 6421] <... openat resumed>) = 4 [pid 6419] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [ 144.938779][ T6420] loop0: detected capacity change from 0 to 1024 [pid 6421] ioctl(4, LOOP_SET_FD, 3 [pid 6422] memfd_create("syzkaller", 0) = 3 [pid 6422] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6421] <... ioctl resumed>) = 0 [pid 6419] +++ exited with 0 +++ [pid 5830] close(4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6419, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... rmdir resumed>) = 0 [pid 6421] close(3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6421] <... close resumed>) = 0 [pid 6421] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6422] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6420] <... mount resumed>) = 0 [pid 6421] <... close resumed>) = 0 [pid 6420] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./113/binderfs", [pid 6422] <... write resumed>) = 524288 [pid 6421] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6420] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6420] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] unlink("./113/binderfs" [pid 6421] <... mkdir resumed>) = 0 [pid 6420] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6421] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6420] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] newfstatat(3, "", [pid 5830] <... unlink resumed>) = 0 [pid 6420] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6420] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [ 144.989826][ T6421] loop4: detected capacity change from 0 to 1024 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] close(3 [pid 5832] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./113" [pid 6422] munmap(0x7fa6be400000, 138412032) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./114", 0777 [pid 6420] <... mknod resumed>) = 0 [pid 6422] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6422] ioctl(4, LOOP_SET_FD, 3 [pid 6420] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6421] <... mount resumed>) = 0 [pid 6420] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6421] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6420] sync( [pid 6421] <... openat resumed>) = 3 [pid 6422] <... ioctl resumed>) = 0 [pid 6421] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 6421] <... chdir resumed>) = 0 [pid 6421] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6421] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6422] close(3) = 0 [pid 6422] close(4) = 0 [pid 6422] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6422] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6421] <... mknod resumed>) = 0 [pid 6421] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6422] <... mount resumed>) = 0 [pid 6422] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6423 attached ) = 3 [pid 6422] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6423 [pid 6422] <... chdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6423] set_robust_list(0x555567654760, 24) = 0 [pid 6423] chdir("./114") = 0 [pid 6422] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6423] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6422] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6423] <... prctl resumed>) = 0 [pid 6422] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6423] setpgid(0, 0) = 0 [pid 6423] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6423] write(3, "1000", 4) = 4 [pid 6423] close(3) = 0 [pid 6423] symlink("/dev/binderfs", "./binderfs") = 0 [ 145.069412][ T6422] loop2: detected capacity change from 0 to 1024 [pid 6423] write(1, "executing program\n", 18 [pid 6422] <... mknod resumed>) = 0 executing program [pid 6423] <... write resumed>) = 18 [pid 6423] memfd_create("syzkaller", 0) = 3 [pid 6422] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6423] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6422] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6422] sync( [pid 6421] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6421] sync( [pid 5832] newfstatat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6423] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6420] <... sync resumed>) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6420] exit_group(0 [pid 5832] getdents64(4, [pid 6420] <... exit_group resumed>) = ? [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6423] <... write resumed>) = 524288 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6423] munmap(0x7fa6be400000, 138412032) = 0 [pid 6422] <... sync resumed>) = 0 [pid 6421] <... sync resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6422] exit_group(0 [pid 6421] exit_group(0 [pid 6420] +++ exited with 0 +++ [pid 5832] newfstatat(AT_FDCWD, "./113/binderfs", [pid 6422] <... exit_group resumed>) = ? [pid 6421] <... exit_group resumed>) = ? [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6420, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6422] +++ exited with 0 +++ [pid 6421] +++ exited with 0 +++ [pid 6423] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] unlink("./113/binderfs" [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6422, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6423] <... openat resumed>) = 4 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6421, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6423] ioctl(4, LOOP_SET_FD, 3 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... unlink resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", [pid 5832] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(3, [pid 5832] close(3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... close resumed>) = 0 [pid 5829] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] rmdir("./113" [pid 5829] <... umount2 resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./111", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] mkdir("./114", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./111", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5829] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, [pid 5832] close(3 [pid 5831] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] getdents64(3, [pid 5829] newfstatat(4, "", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... close resumed>) = 0 [pid 5833] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 ./strace-static-x86_64: Process 6424 attached [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6424 [pid 5829] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./116/binderfs", [pid 6424] set_robust_list(0x555567654760, 24 [pid 6423] <... ioctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6423] close(3 [pid 5829] unlink("./116/binderfs" [pid 6424] <... set_robust_list resumed>) = 0 [pid 6423] <... close resumed>) = 0 [pid 5833] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... unlink resumed>) = 0 [pid 6423] close(4) = 0 [pid 6423] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./116" [pid 6423] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... rmdir resumed>) = 0 [pid 6424] chdir("./114" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./117", 0777 [pid 6424] <... chdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6424] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 6424] <... prctl resumed>) = 0 [pid 5833] umount2("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6424] setpgid(0, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... setpgid resumed>) = 0 [pid 6423] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5831] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6423] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] close(3 [pid 6424] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6423] <... openat resumed>) = 3 [pid 5833] newfstatat(4, "", [pid 5831] openat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 145.204049][ T6423] loop1: detected capacity change from 0 to 1024 [pid 6423] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5831] newfstatat(4, "", [pid 6423] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6424] <... openat resumed>) = 3 [pid 6423] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] getdents64(4, [pid 5831] getdents64(4, [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6424] write(3, "1000", 4 [pid 6423] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6424] <... write resumed>) = 4 [pid 5831] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 6424] close(3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6424] <... close resumed>) = 0 [pid 6423] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] close(4 [pid 6424] symlink("/dev/binderfs", "./binderfs" [pid 5833] rmdir("./111/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6424] <... symlink resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 5833] umount2("./111/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6424] write(1, "executing program\n", 18) = 18 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] memfd_create("syzkaller", 0) = 3 [pid 6423] <... mknod resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./111/binderfs", [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6425 attached [pid 6424] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6423] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6424] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] unlink("./111/binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./113/binderfs" [pid 5833] getdents64(3, [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6425 [pid 6425] set_robust_list(0x555567654760, 24 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6425] <... set_robust_list resumed>) = 0 [pid 5833] close(3 [pid 5831] getdents64(3, [pid 6423] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6425] chdir("./117" [pid 5833] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./111" [pid 6425] <... chdir resumed>) = 0 [pid 5831] close(3 [pid 6425] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6423] sync( [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6425] <... prctl resumed>) = 0 [pid 5831] rmdir("./113") = 0 [pid 6425] setpgid(0, 0) = 0 [pid 5833] mkdir("./112", 0777 [pid 5831] mkdir("./114", 0777 [pid 6425] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6425] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6425] write(3, "1000", 4 [pid 6424] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6425] <... write resumed>) = 4 [pid 5831] <... ioctl resumed>) = 0 [pid 6425] close(3 [pid 5831] close(3 [pid 6425] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6425] symlink("/dev/binderfs", "./binderfs" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6425] <... symlink resumed>) = 0 [pid 6424] <... write resumed>) = 524288 [pid 5833] ioctl(3, LOOP_CLR_FDexecuting program ./strace-static-x86_64: Process 6426 attached ) = 0 [pid 5833] close(3 [pid 6425] write(1, "executing program\n", 18) = 18 [pid 6425] memfd_create("syzkaller", 0 [pid 6426] set_robust_list(0x555567654760, 24 [pid 6423] <... sync resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6426 [pid 6426] <... set_robust_list resumed>) = 0 [pid 6425] <... memfd_create resumed>) = 3 [pid 6423] exit_group(0 [pid 6426] chdir("./114" [pid 6425] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6423] <... exit_group resumed>) = ? [pid 6426] <... chdir resumed>) = 0 [pid 6425] <... mmap resumed>) = 0x7fa6be400000 [pid 6424] munmap(0x7fa6be400000, 138412032 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6426] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6427 attached ) = 0 [pid 6424] <... munmap resumed>) = 0 [pid 6423] +++ exited with 0 +++ [pid 6424] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6426] setpgid(0, 0 [pid 6424] <... openat resumed>) = 4 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6427 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6423, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6426] <... setpgid resumed>) = 0 [pid 6424] ioctl(4, LOOP_SET_FD, 3 [pid 6426] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6427] set_robust_list(0x555567654760, 24 [pid 6426] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6427] <... set_robust_list resumed>) = 0 [pid 6426] write(3, "1000", 4 [pid 5830] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6427] chdir("./112" [pid 6426] <... write resumed>) = 4 [pid 5830] <... openat resumed>) = 3 [pid 6427] <... chdir resumed>) = 0 [pid 6426] close(3 [pid 6425] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6424] <... ioctl resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6427] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6426] <... close resumed>) = 0 [pid 6427] <... prctl resumed>) = 0 [pid 6426] symlink("/dev/binderfs", "./binderfs" [pid 6425] <... write resumed>) = 524288 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6426] <... symlink resumed>) = 0 [pid 5830] getdents64(3, executing program [pid 6424] close(3 [pid 6427] setpgid(0, 0 [pid 6426] write(1, "executing program\n", 18 [pid 6425] munmap(0x7fa6be400000, 138412032 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6424] <... close resumed>) = 0 [pid 5830] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6426] <... write resumed>) = 18 [pid 6427] <... setpgid resumed>) = 0 [pid 6427] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6426] memfd_create("syzkaller", 0 [pid 6425] <... munmap resumed>) = 0 [pid 6424] close(4) = 0 [pid 6424] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6426] <... memfd_create resumed>) = 3 [pid 6424] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6427] <... openat resumed>) = 3 [pid 6426] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6425] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... umount2 resumed>) = 0 [pid 6426] <... mmap resumed>) = 0x7fa6be400000 [pid 6425] <... openat resumed>) = 4 [ 145.380931][ T6424] loop3: detected capacity change from 0 to 1024 [pid 6425] ioctl(4, LOOP_SET_FD, 3 [pid 6427] write(3, "1000", 4 [pid 5830] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6427] <... write resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6427] close(3 [pid 5830] newfstatat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6427] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6427] symlink("/dev/binderfs", "./binderfs" [pid 5830] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6424] <... mount resumed>) = 0 [pid 6424] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6424] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6424] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6424] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6426] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6424] <... mknod resumed>) = 0 [pid 6427] <... symlink resumed>) = 0 [pid 6424] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] openat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 executing program [pid 6427] write(1, "executing program\n", 18 [pid 5830] newfstatat(4, "", [pid 6425] <... ioctl resumed>) = 0 [pid 6427] <... write resumed>) = 18 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6425] close(3) = 0 [pid 6425] close(4) = 0 [pid 6427] memfd_create("syzkaller", 0 [pid 6425] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] getdents64(4, [pid 6425] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6427] <... memfd_create resumed>) = 3 [pid 6427] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] getdents64(4, [pid 6425] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6427] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 6424] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6424] sync( [pid 5830] rmdir("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6427] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 145.424293][ T6425] loop0: detected capacity change from 0 to 1024 [pid 6425] <... mount resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./114/binderfs", [pid 6425] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6426] <... write resumed>) = 524288 [pid 6425] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6425] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6425] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] unlink("./114/binderfs" [pid 6425] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... unlink resumed>) = 0 [pid 6426] munmap(0x7fa6be400000, 138412032) = 0 [pid 5830] getdents64(3, [pid 6426] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6425] <... mknod resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6425] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6424] <... sync resumed>) = 0 [pid 6424] exit_group(0 [pid 6427] <... write resumed>) = 524288 [pid 5830] close(3 [pid 6424] <... exit_group resumed>) = ? [pid 6426] <... openat resumed>) = 4 [pid 6424] +++ exited with 0 +++ [pid 5830] <... close resumed>) = 0 [pid 6426] ioctl(4, LOOP_SET_FD, 3 [pid 5830] rmdir("./114") = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6424, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] mkdir("./115", 0777 [pid 6427] munmap(0x7fa6be400000, 138412032 [pid 5830] <... mkdir resumed>) = 0 [pid 6426] <... ioctl resumed>) = 0 [pid 6425] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6425] sync( [pid 6427] <... munmap resumed>) = 0 [pid 5832] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] <... openat resumed>) = 3 [pid 5830] <... ioctl resumed>) = 0 [pid 6427] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6426] close(3 [pid 5832] newfstatat(3, "", [ 145.507415][ T6426] loop2: detected capacity change from 0 to 1024 [pid 5830] close(3 [pid 6427] <... openat resumed>) = 4 [pid 6426] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6427] ioctl(4, LOOP_SET_FD, 3 [pid 6426] close(4) = 0 [pid 6426] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6425] <... sync resumed>) = 0 [pid 6425] exit_group(0) = ? [pid 6426] <... mkdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6428 attached [pid 6426] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6425] +++ exited with 0 +++ [pid 5832] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6428 [pid 6428] set_robust_list(0x555567654760, 24 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6425, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6428] <... set_robust_list resumed>) = 0 [pid 6428] chdir("./115" [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6428] <... chdir resumed>) = 0 [pid 6428] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6428] setpgid(0, 0) = 0 [pid 6428] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6427] <... ioctl resumed>) = 0 [pid 6426] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6426] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6426] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6426] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6426] <... chdir resumed>) = 0 [pid 6428] write(3, "1000", 4 [pid 5829] <... openat resumed>) = 3 [pid 6426] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6428] <... write resumed>) = 4 [pid 5832] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6428] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6428] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6428] symlink("/dev/binderfs", "./binderfs" [pid 6426] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(3, "", [pid 6428] <... symlink resumed>) = 0 [pid 6426] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6428] write(1, "executing program\n", 18 [pid 5832] <... openat resumed>) = 4 [pid 5829] getdents64(3, executing program [pid 6428] <... write resumed>) = 18 [pid 6428] memfd_create("syzkaller", 0) = 3 [pid 5832] newfstatat(4, "", [pid 6428] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6427] close(3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6428] <... mmap resumed>) = 0x7fa6be400000 [ 145.548690][ T6427] loop4: detected capacity change from 0 to 1024 [pid 6427] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 5829] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6426] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./114/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./114/binderfs" [pid 6428] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./114") = 0 [pid 6427] close(4 [pid 6426] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6428] <... write resumed>) = 524288 [pid 6427] <... close resumed>) = 0 [pid 5832] mkdir("./115", 0777 [pid 6427] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... mkdir resumed>) = 0 [pid 6428] munmap(0x7fa6be400000, 138412032) = 0 [pid 6427] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 6428] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] close(3 [pid 6428] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6428] ioctl(4, LOOP_SET_FD, 3./strace-static-x86_64: Process 6429 attached [pid 6427] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6426] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6429] set_robust_list(0x555567654760, 24) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6429] chdir("./115" [pid 6426] sync( [pid 5829] newfstatat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6429] <... chdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6429 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6429] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] openat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6429] <... prctl resumed>) = 0 [pid 6429] setpgid(0, 0) = 0 [pid 6429] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6429] write(3, "1000", 4 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6429] <... write resumed>) = 4 [pid 5829] getdents64(4, [pid 6429] close(3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6429] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 executing program [pid 6429] symlink("/dev/binderfs", "./binderfs" [pid 5829] rmdir("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6429] <... symlink resumed>) = 0 [pid 6428] <... ioctl resumed>) = 0 [pid 6427] <... mount resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6429] write(1, "executing program\n", 18 [pid 6428] close(3 [pid 6427] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6428] <... close resumed>) = 0 [pid 6427] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6429] <... write resumed>) = 18 [pid 6428] close(4 [pid 6427] <... chdir resumed>) = 0 [pid 6427] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6427] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6429] memfd_create("syzkaller", 0 [pid 5829] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6429] <... memfd_create resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./117/binderfs", [pid 6429] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6428] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6429] <... mmap resumed>) = 0x7fa6be400000 [pid 6428] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 145.640748][ T6428] loop1: detected capacity change from 0 to 1024 [pid 5829] unlink("./117/binderfs") = 0 [pid 6427] <... mknod resumed>) = 0 [pid 6428] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] getdents64(3, [pid 6427] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./117" [pid 6429] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./118", 0777 [pid 6427] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6427] sync( [pid 5829] <... mkdir resumed>) = 0 [pid 6429] <... write resumed>) = 524288 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6428] <... mount resumed>) = 0 [pid 6428] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6429] munmap(0x7fa6be400000, 138412032 [pid 6428] <... openat resumed>) = 3 [pid 6426] <... sync resumed>) = 0 [pid 6429] <... munmap resumed>) = 0 [pid 6428] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... openat resumed>) = 3 [pid 6428] <... chdir resumed>) = 0 [pid 6426] exit_group(0 [pid 6429] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6428] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6426] <... exit_group resumed>) = ? [pid 6429] <... openat resumed>) = 4 [pid 6428] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6429] ioctl(4, LOOP_SET_FD, 3 [pid 6428] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6429] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6426] +++ exited with 0 +++ [pid 5829] <... ioctl resumed>) = 0 [pid 6429] ioctl(4, LOOP_CLR_FD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6426, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] close(3 [pid 6429] <... ioctl resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6429] ioctl(4, LOOP_SET_FD, 3 [pid 6427] <... sync resumed>) = 0 [pid 6429] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6429] close(4) = 0 [pid 6429] close(3) = 0 ./strace-static-x86_64: Process 6430 attached [pid 6428] <... mknod resumed>) = 0 [pid 6427] exit_group(0 [pid 5831] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6429] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6429] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6428] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6427] <... exit_group resumed>) = ? [pid 6430] set_robust_list(0x555567654760, 24 [pid 6429] <... link resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6430 [pid 5831] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6430] <... set_robust_list resumed>) = 0 [pid 6429] sync( [pid 6427] +++ exited with 0 +++ [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6427, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6430] chdir("./118" [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6430] <... chdir resumed>) = 0 [pid 5831] getdents64(3, [pid 5833] umount2("./112", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] openat(AT_FDCWD, "./112", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6428] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... openat resumed>) = 3 [pid 5831] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6430] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] newfstatat(3, "", [pid 6428] sync( [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6430] <... prctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6430] setpgid(0, 0 [pid 5833] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6430] <... setpgid resumed>) = 0 [pid 6430] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6430] write(3, "1000", 4 [pid 5833] <... umount2 resumed>) = 0 [pid 6430] <... write resumed>) = 4 [pid 6430] close(3 [pid 5831] <... umount2 resumed>) = 0 [pid 6430] <... close resumed>) = 0 [pid 5833] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6430] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6430] <... symlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6430] write(1, "executing program\n", 18 [pid 6428] <... sync resumed>) = 0 [pid 5831] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6429] <... sync resumed>) = 0 [pid 6428] exit_group(0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6430] <... write resumed>) = 18 [pid 6429] exit_group(0 [pid 5831] openat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6430] memfd_create("syzkaller", 0 [pid 6429] <... exit_group resumed>) = ? [pid 6428] <... exit_group resumed>) = ? [pid 5833] umount2("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 6430] <... memfd_create resumed>) = 3 [pid 6429] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6430] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] openat(AT_FDCWD, "./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6430] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... openat resumed>) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6429, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] getdents64(4, [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(4, "", [pid 5831] getdents64(4, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] close(4 [pid 5833] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 6430] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6428] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6428, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] close(4 [pid 5830] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./112/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./112/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] newfstatat(AT_FDCWD, "./114/binderfs", [pid 5832] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./114/binderfs" [pid 5832] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./112/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] unlink("./112/binderfs" [pid 5832] <... unlink resumed>) = 0 [pid 5831] close(3 [pid 5833] <... unlink resumed>) = 0 [pid 5832] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./114" [pid 6430] <... write resumed>) = 524288 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] mkdir("./115", 0777 [pid 5833] <... close resumed>) = 0 [pid 5832] unlink("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... mkdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5833] rmdir("./112" [pid 5832] <... unlink resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] mkdir("./113", 0777 [pid 5832] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(3, [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./115/binderfs"./strace-static-x86_64: Process 6431 attached ) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5832] <... close resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] rmdir("./115" [pid 6431] set_robust_list(0x555567654760, 24 [pid 6430] munmap(0x7fa6be400000, 138412032 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6431 [pid 6431] <... set_robust_list resumed>) = 0 executing program [pid 6431] chdir("./115" [pid 6430] <... munmap resumed>) = 0 [pid 6431] <... chdir resumed>) = 0 [pid 6431] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6431] setpgid(0, 0 [pid 5833] close(3 [pid 6431] <... setpgid resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6431] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6430] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = 0 [pid 6431] <... openat resumed>) = 3 [pid 6430] <... openat resumed>) = 4 [pid 5832] mkdir("./116", 0777) = 0 [pid 6431] write(3, "1000", 4) = 4 [pid 6431] close(3./strace-static-x86_64: Process 6432 attached ) = 0 [pid 6431] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6432 [pid 6431] <... symlink resumed>) = 0 [pid 6431] write(1, "executing program\n", 18 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6432] set_robust_list(0x555567654760, 24 [pid 6431] <... write resumed>) = 18 [pid 6430] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... openat resumed>) = 3 [pid 6432] <... set_robust_list resumed>) = 0 [pid 6431] memfd_create("syzkaller", 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6432] chdir("./113" [pid 6431] <... memfd_create resumed>) = 3 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6432] <... chdir resumed>) = 0 [pid 6431] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] close(3 [pid 6432] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6431] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... close resumed>) = 0 [pid 6432] <... prctl resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6432] setpgid(0, 0) = 0 [pid 6432] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6433 [pid 6432] write(3, "1000", 4./strace-static-x86_64: Process 6433 attached [pid 5830] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6432] <... write resumed>) = 4 [pid 6432] close(3) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6433] set_robust_list(0x555567654760, 24 [pid 5830] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6433] <... set_robust_list resumed>) = 0 [pid 6432] symlink("/dev/binderfs", "./binderfs" [pid 6431] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6433] chdir("./116" [pid 6432] <... symlink resumed>) = 0 [pid 5830] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 6432] write(1, "executing program\n", 18) = 18 [pid 6433] <... chdir resumed>) = 0 [pid 6432] memfd_create("syzkaller", 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6432] <... memfd_create resumed>) = 3 [pid 6432] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6433] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 4 [pid 6433] <... prctl resumed>) = 0 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6433] setpgid(0, 0) = 0 [pid 6431] <... write resumed>) = 524288 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6433] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] getdents64(4, [pid 6431] munmap(0x7fa6be400000, 138412032) = 0 [pid 6433] <... openat resumed>) = 3 [pid 6432] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6430] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6433] write(3, "1000", 4 [pid 5830] close(4 [pid 6433] <... write resumed>) = 4 [pid 6433] close(3 [pid 5830] <... close resumed>) = 0 [pid 6433] <... close resumed>) = 0 [pid 5830] rmdir("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 145.926481][ T6430] loop0: detected capacity change from 0 to 1024 [pid 6433] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6431] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6430] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 6433] write(1, "executing program\n", 18 [pid 6431] <... openat resumed>) = 4 [pid 6430] <... close resumed>) = 0 [pid 6433] <... write resumed>) = 18 [pid 6431] ioctl(4, LOOP_SET_FD, 3 [pid 6430] close(4 [pid 6433] memfd_create("syzkaller", 0 [pid 6431] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6430] <... close resumed>) = 0 [pid 6433] <... memfd_create resumed>) = 3 [pid 6431] ioctl(4, LOOP_CLR_FD [pid 6430] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6433] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6431] <... ioctl resumed>) = 0 [pid 6430] <... mkdir resumed>) = 0 [pid 6430] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6431] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6431] close(4 [pid 6433] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6431] <... close resumed>) = 0 [pid 6431] close(3 [pid 5830] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6432] <... write resumed>) = 524288 [pid 5830] unlink("./115/binderfs") = 0 [pid 6431] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6432] munmap(0x7fa6be400000, 138412032) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6431] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./115" [pid 6431] <... mknod resumed>) = 0 [pid 6432] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6431] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6432] ioctl(4, LOOP_SET_FD, 3 [pid 6431] <... link resumed>) = 0 [pid 6431] sync( [pid 6433] <... write resumed>) = 524288 [pid 6430] <... mount resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6433] munmap(0x7fa6be400000, 138412032) = 0 [pid 6433] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5830] mkdir("./116", 0777 [pid 6433] ioctl(4, LOOP_SET_FD, 3 [pid 6430] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6430] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... mkdir resumed>) = 0 [pid 6430] <... chdir resumed>) = 0 [pid 6430] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6430] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6432] <... ioctl resumed>) = 0 [pid 6430] <... mknod resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6431] <... sync resumed>) = 0 [pid 6430] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... openat resumed>) = 3 [pid 6432] close(3 [pid 6431] exit_group(0 [pid 6433] <... ioctl resumed>) = 0 [pid 6432] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 6433] close(3 [pid 6432] close(4 [pid 6431] <... exit_group resumed>) = ? [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6434 attached [pid 6433] <... close resumed>) = 0 [pid 6432] <... close resumed>) = 0 [pid 6431] +++ exited with 0 +++ [pid 6433] close(4 [pid 6432] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6431, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6433] <... close resumed>) = 0 [pid 6433] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6430] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6433] <... mkdir resumed>) = 0 [pid 6432] <... mkdir resumed>) = 0 [pid 6430] sync( [ 146.039050][ T6432] loop4: detected capacity change from 0 to 1024 [ 146.052335][ T6433] loop3: detected capacity change from 0 to 1024 [pid 5831] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] set_robust_list(0x555567654760, 24 [pid 6433] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6432] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6434] <... set_robust_list resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6434] chdir("./116" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6434 [pid 6434] <... chdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6434] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6434] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6434] <... setpgid resumed>) = 0 [pid 6434] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] <... openat resumed>) = 3 [pid 6434] write(3, "1000", 4) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6434] close(3 [pid 5831] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6434] <... close resumed>) = 0 [pid 6434] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6433] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6433] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6434] write(1, "executing program\n", 18 [pid 6433] <... openat resumed>) = 3 [pid 5831] <... unlink resumed>) = 0 executing program [pid 6434] <... write resumed>) = 18 [pid 6434] memfd_create("syzkaller", 0 [pid 6433] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6433] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6433] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6434] <... memfd_create resumed>) = 3 [pid 6433] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6434] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6433] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6432] <... mount resumed>) = 0 [pid 5831] unlink("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6432] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 6432] <... openat resumed>) = 3 [pid 5831] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6432] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6432] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] newfstatat(AT_FDCWD, "./115/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6433] <... mknod resumed>) = 0 [pid 5831] unlink("./115/binderfs" [pid 6432] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6433] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6432] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] close(3) = 0 [pid 6432] <... mknod resumed>) = 0 [pid 6430] <... sync resumed>) = 0 [pid 5831] rmdir("./115" [pid 6430] exit_group(0 [pid 6434] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6432] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 6430] <... exit_group resumed>) = ? [pid 6430] +++ exited with 0 +++ [pid 5831] mkdir("./116", 0777 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6430, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6433] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6433] sync( [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] getdents64(3, [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(3) = 0 [pid 6434] <... write resumed>) = 524288 [pid 6432] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = 0 [pid 6434] munmap(0x7fa6be400000, 138412032 [pid 6432] sync( [pid 5829] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6435 attached [pid 6434] <... munmap resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6434] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6434] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6434] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... openat resumed>) = 4 [pid 6435] set_robust_list(0x555567654760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6435 [pid 5829] newfstatat(4, "", [pid 6435] <... set_robust_list resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6435] chdir("./116" [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./118/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./118") = 0 [pid 5829] mkdir("./119", 0777) = 0 [pid 6435] <... chdir resumed>) = 0 [pid 6434] <... ioctl resumed>) = 0 [pid 6433] <... sync resumed>) = 0 [pid 6432] <... sync resumed>) = 0 [pid 6435] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6435] setpgid(0, 0 [pid 6433] exit_group(0 [pid 6432] exit_group(0 [pid 6433] <... exit_group resumed>) = ? [pid 6432] <... exit_group resumed>) = ? [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6435] <... setpgid resumed>) = 0 [pid 6434] close(3 [pid 6433] +++ exited with 0 +++ [pid 6432] +++ exited with 0 +++ [pid 5829] <... openat resumed>) = 3 [pid 6434] <... close resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6433, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6435] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6434] close(4 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6432, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6434] <... close resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6435] <... openat resumed>) = 3 [pid 6434] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... ioctl resumed>) = 0 [pid 6435] write(3, "1000", 4 [pid 6434] <... mkdir resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5829] close(3 [pid 6435] <... write resumed>) = 4 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6435] close(3 [pid 5832] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6435] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./113", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6435] symlink("/dev/binderfs", "./binderfs" [pid 6434] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6436 attached [pid 6436] set_robust_list(0x555567654760, 24) = 0 [pid 6435] <... symlink resumed>) = 0 [pid 6434] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./113", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6436 [ 146.203384][ T6434] loop1: detected capacity change from 0 to 1024 executing program [pid 6435] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 6435] <... write resumed>) = 18 [pid 5833] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6436] chdir("./119" [pid 6435] memfd_create("syzkaller", 0 [pid 6434] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6436] <... chdir resumed>) = 0 [pid 6435] <... memfd_create resumed>) = 3 [pid 6434] <... openat resumed>) = 3 [pid 5833] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6434] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6436] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6434] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6436] setpgid(0, 0 [pid 6435] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6434] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] <... setpgid resumed>) = 0 [pid 6434] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6436] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6436] write(3, "1000", 4) = 4 [pid 6436] close(3) = 0 [pid 6436] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6436] write(1, "executing program\n", 18 [pid 5833] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6435] <... mmap resumed>) = 0x7fa6be400000 [pid 6434] <... mknod resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6436] <... write resumed>) = 18 [pid 6436] memfd_create("syzkaller", 0 [pid 6435] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6434] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6436] <... memfd_create resumed>) = 3 [pid 5832] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6436] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6435] <... write resumed>) = 524288 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6435] munmap(0x7fa6be400000, 138412032 [pid 5833] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6434] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6434] sync( [pid 5832] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6436] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... openat resumed>) = 4 [pid 5832] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6435] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6435] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6434] <... sync resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6434] exit_group(0 [pid 5832] newfstatat(AT_FDCWD, "./116/binderfs", [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6435] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5832] unlink("./116/binderfs") = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, [pid 5833] close(4) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./113/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6435] ioctl(4, LOOP_SET_FD, 3 [pid 5832] close(3 [pid 6436] <... write resumed>) = 524288 [pid 6434] <... exit_group resumed>) = ? [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5833] umount2("./113/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./113/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./113/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 6434] +++ exited with 0 +++ [pid 6436] munmap(0x7fa6be400000, 138412032 [pid 5833] rmdir("./113" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6434, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] rmdir("./116" [pid 5833] <... rmdir resumed>) = 0 [pid 6436] <... munmap resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] mkdir("./114", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./117", 0777 [pid 5830] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6436] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6436] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 6436] ioctl(4, LOOP_SET_FD, 3 [pid 5833] close(3 [pid 6435] <... ioctl resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] newfstatat(3, "", [pid 6435] close(3 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6435] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6435] close(4 [pid 5830] getdents64(3, [pid 6435] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6435] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5833] <... close resumed>) = 0 [pid 6436] <... ioctl resumed>) = 0 [pid 6435] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6436] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6437 attached [pid 6436] <... close resumed>) = 0 [pid 5832] close(3 [pid 5830] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6436] close(4) = 0 [pid 6436] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6437] set_robust_list(0x555567654760, 24 [pid 6436] <... mkdir resumed>) = 0 [pid 6437] <... set_robust_list resumed>) = 0 [pid 6437] chdir("./114" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6437 [pid 6437] <... chdir resumed>) = 0 [pid 6436] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6437] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] newfstatat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6437] <... prctl resumed>) = 0 [pid 5830] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6437] setpgid(0, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6437] <... setpgid resumed>) = 0 [pid 6437] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6437] write(3, "1000", 4 [pid 5830] openat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6437] <... write resumed>) = 4 [pid 5830] <... openat resumed>) = 4 [pid 6437] close(3) = 0 [pid 6436] <... mount resumed>) = 0 [pid 5830] newfstatat(4, "", [ 146.340202][ T6435] loop2: detected capacity change from 0 to 1024 [ 146.359383][ T6436] loop0: detected capacity change from 0 to 1024 [pid 6437] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6436] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] getdents64(4, [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 executing program [pid 6437] write(1, "executing program\n", 18 [pid 6436] <... openat resumed>) = 3 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6437] <... write resumed>) = 18 [pid 6437] memfd_create("syzkaller", 0 [pid 6436] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] close(4 [pid 6436] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6436] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] rmdir("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6438 attached [pid 6437] <... memfd_create resumed>) = 3 [pid 6436] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6437] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6436] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6438] set_robust_list(0x555567654760, 24 [pid 6437] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6438 [pid 5830] <... rmdir resumed>) = 0 [pid 6438] <... set_robust_list resumed>) = 0 [pid 5830] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6438] chdir("./117" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6438] <... chdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./116/binderfs" [pid 6438] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 6436] <... mknod resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6438] <... prctl resumed>) = 0 [pid 6436] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] close(3 [pid 6438] setpgid(0, 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./116" [pid 6438] <... setpgid resumed>) = 0 [pid 6437] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6435] <... mount resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./117", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6438] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6435] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6438] <... openat resumed>) = 3 [pid 6435] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6436] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6435] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... ioctl resumed>) = 0 [pid 6438] write(3, "1000", 4 [pid 6435] <... chdir resumed>) = 0 [pid 5830] close(3 [pid 6438] <... write resumed>) = 4 [pid 6438] close(3 [pid 6437] <... write resumed>) = 524288 [pid 6436] sync( [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6438] <... close resumed>) = 0 [pid 6437] munmap(0x7fa6be400000, 138412032 [pid 6438] symlink("/dev/binderfs", "./binderfs" [pid 6437] <... munmap resumed>) = 0 [pid 6435] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6439 attached [pid 6439] set_robust_list(0x555567654760, 24 [pid 6438] <... symlink resumed>) = 0 [pid 6435] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6439 [pid 6437] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6439] <... set_robust_list resumed>) = 0 [pid 6435] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6438] write(1, "executing program\n", 18 [pid 6437] <... openat resumed>) = 4 executing program [pid 6437] ioctl(4, LOOP_SET_FD, 3 [pid 6439] chdir("./117" [pid 6438] <... write resumed>) = 18 [pid 6439] <... chdir resumed>) = 0 [pid 6438] memfd_create("syzkaller", 0 [pid 6435] <... mknod resumed>) = 0 [pid 6439] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6438] <... memfd_create resumed>) = 3 [pid 6435] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6438] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6439] setpgid(0, 0) = 0 [pid 6438] <... mmap resumed>) = 0x7fa6be400000 [pid 6439] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6436] <... sync resumed>) = 0 [pid 6436] exit_group(0) = ? [pid 6436] +++ exited with 0 +++ [pid 6435] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6439] write(3, "1000", 4 [pid 6435] sync( [pid 6439] <... write resumed>) = 4 [pid 6438] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6439] close(3) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6436, si_uid=0, si_status=0, si_utime=0, si_stime=7 /* 0.07 s */} --- [pid 6439] symlink("/dev/binderfs", "./binderfs" [pid 6435] <... sync resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6435] exit_group(0) = ? [pid 6439] <... symlink resumed>) = 0 executing program [pid 5829] <... restart_syscall resumed>) = 0 [pid 6439] write(1, "executing program\n", 18) = 18 [pid 6438] <... write resumed>) = 524288 [pid 6435] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6435, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6439] memfd_create("syzkaller", 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 6438] munmap(0x7fa6be400000, 138412032 [pid 6437] <... ioctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6439] <... memfd_create resumed>) = 3 [pid 6437] close(3 [pid 5829] getdents64(3, [pid 6439] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6437] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... restart_syscall resumed>) = 0 [pid 6437] close(4) = 0 [pid 5831] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6438] <... munmap resumed>) = 0 [pid 6437] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 146.502890][ T6437] loop4: detected capacity change from 0 to 1024 [pid 6438] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6437] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = 0 [pid 6438] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5829] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6438] ioctl(4, LOOP_SET_FD, 3 [pid 6437] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6439] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", [pid 5831] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6439] <... write resumed>) = 524288 [pid 6438] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6439] munmap(0x7fa6be400000, 138412032 [pid 6438] close(3 [pid 5831] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6438] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6438] close(4 [pid 6439] <... munmap resumed>) = 0 [pid 6437] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6437] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6438] <... close resumed>) = 0 [pid 6437] <... openat resumed>) = 3 [pid 5829] newfstatat(AT_FDCWD, "./119/binderfs", [pid 6438] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6437] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6438] <... mkdir resumed>) = 0 [pid 6437] <... chdir resumed>) = 0 [pid 5829] unlink("./119/binderfs" [pid 6439] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6437] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... unlink resumed>) = 0 [ 146.569308][ T6438] loop3: detected capacity change from 0 to 1024 [pid 6439] <... openat resumed>) = 4 [pid 6437] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] getdents64(3, [pid 6437] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6439] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... openat resumed>) = 4 [pid 5829] close(3 [pid 6439] <... ioctl resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6438] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] rmdir("./119" [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] mkdir("./120", 0777 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5829] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6437] <... mknod resumed>) = 0 [pid 6437] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./116/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./116/binderfs") = 0 [pid 5831] getdents64(3, [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5829] close(3 [pid 5831] <... close resumed>) = 0 [pid 6439] close(3 [pid 6438] <... mount resumed>) = 0 [pid 6437] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] rmdir("./116" [pid 6439] <... close resumed>) = 0 [pid 6437] sync( [pid 6439] close(4) = 0 [ 146.619529][ T6439] loop1: detected capacity change from 0 to 1024 [pid 6439] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6438] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6438] <... openat resumed>) = 3 [pid 6439] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6438] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] mkdir("./117", 0777 [pid 6438] <... chdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6438] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6438] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6438] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6438] <... mknod resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6440 ./strace-static-x86_64: Process 6440 attached [pid 6438] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6440] set_robust_list(0x555567654760, 24) = 0 [pid 6440] chdir("./120" [pid 5831] <... close resumed>) = 0 [pid 6440] <... chdir resumed>) = 0 [pid 6440] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6440] setpgid(0, 0) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6441 attached [pid 6440] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6441] set_robust_list(0x555567654760, 24 [pid 6440] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6441 [pid 6441] <... set_robust_list resumed>) = 0 [pid 6440] write(3, "1000", 4 [pid 6439] <... mount resumed>) = 0 [pid 6440] <... write resumed>) = 4 [pid 6438] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6441] chdir("./117" [pid 6440] close(3 [pid 6438] sync( [pid 6440] <... close resumed>) = 0 [pid 6439] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6437] <... sync resumed>) = 0 [pid 6441] <... chdir resumed>) = 0 [pid 6441] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6440] symlink("/dev/binderfs", "./binderfs" [pid 6439] <... openat resumed>) = 3 [pid 6437] exit_group(0 [pid 6441] <... prctl resumed>) = 0 [pid 6439] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6437] <... exit_group resumed>) = ? [pid 6441] setpgid(0, 0) = 0 [pid 6441] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6440] <... symlink resumed>) = 0 [pid 6439] <... chdir resumed>) = 0 [pid 6437] +++ exited with 0 +++ [pid 6439] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6437, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6441] <... openat resumed>) = 3 [pid 6439] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6439] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6441] write(3, "1000", 4 [pid 6440] write(1, "executing program\n", 18 [pid 5833] umount2("./114", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6441] <... write resumed>) = 4 [pid 6440] <... write resumed>) = 18 [pid 6438] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6441] close(3 [pid 6440] memfd_create("syzkaller", 0 [pid 6439] <... mknod resumed>) = 0 [pid 6438] exit_group(0 [pid 5833] openat(AT_FDCWD, "./114", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6441] <... close resumed>) = 0 [pid 6440] <... memfd_create resumed>) = 3 [pid 6438] <... exit_group resumed>) = ? [pid 6441] symlink("/dev/binderfs", "./binderfs" [pid 6440] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6439] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 6441] <... symlink resumed>) = 0 [pid 6440] <... mmap resumed>) = 0x7fa6be400000 executing program [pid 6441] write(1, "executing program\n", 18 [pid 6440] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6438] +++ exited with 0 +++ [pid 5833] newfstatat(3, "", [pid 6441] <... write resumed>) = 18 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6438, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6441] memfd_create("syzkaller", 0) = 3 [pid 6441] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6441] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6441] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6440] <... write resumed>) = 524288 [pid 6439] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... umount2 resumed>) = 0 [pid 6439] sync( [pid 5832] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6440] munmap(0x7fa6be400000, 138412032 [pid 5832] getdents64(3, [pid 6440] <... munmap resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6440] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6441] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6439] <... sync resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = 0 [pid 6439] exit_group(0 [pid 5833] <... openat resumed>) = 4 [pid 5832] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6439] <... exit_group resumed>) = ? [pid 5833] newfstatat(4, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6441] munmap(0x7fa6be400000, 138412032) = 0 [pid 6439] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6441] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6439, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6441] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6441] ioctl(4, LOOP_SET_FD, 3 [pid 5832] openat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, [pid 5832] <... openat resumed>) = 4 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] newfstatat(4, "", [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6440] <... ioctl resumed>) = 0 [pid 5833] close(4 [pid 6440] close(3 [pid 5830] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6440] close(4 [pid 5830] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6440] <... close resumed>) = 0 [pid 6440] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6440] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6441] <... ioctl resumed>) = 0 [pid 5833] rmdir("./114/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = 0 [pid 5832] getdents64(4, [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6441] close(3 [pid 6440] <... mount resumed>) = 0 [pid 5832] close(4 [pid 6441] <... close resumed>) = 0 [pid 6440] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6441] close(4 [pid 6440] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 6441] <... close resumed>) = 0 [pid 6440] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6441] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6440] <... chdir resumed>) = 0 [pid 6441] <... mkdir resumed>) = 0 [pid 6440] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./114/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6440] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6441] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6440] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] newfstatat(AT_FDCWD, "./114/binderfs", [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 146.787050][ T6440] loop0: detected capacity change from 0 to 1024 [ 146.804595][ T6441] loop2: detected capacity change from 0 to 1024 [pid 5830] newfstatat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] unlink("./114/binderfs" [pid 5832] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5832] newfstatat(AT_FDCWD, "./117/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6440] <... mknod resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] unlink("./117/binderfs" [pid 5830] newfstatat(4, "", [pid 6440] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] rmdir("./114") = 0 [pid 5830] getdents64(4, [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] mkdir("./115", 0777 [pid 5832] close(3 [pid 5830] getdents64(4, [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./117" [pid 5830] close(4 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6440] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] rmdir("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] mkdir("./118", 0777 [pid 5833] close(3 [pid 5832] <... mkdir resumed>) = 0 [pid 6440] sync( [pid 6441] <... mount resumed>) = 0 [pid 5830] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./117/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./117/binderfs") = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] getdents64(3, [pid 6441] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] close(3 [pid 6441] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./117") = 0 [pid 5832] close(3 [pid 6441] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... close resumed>) = 0 [pid 5830] mkdir("./118", 0777 [pid 6441] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6441] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6441] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6442 attached [pid 6441] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6440] <... sync resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6442] set_robust_list(0x555567654760, 24 [pid 5830] <... openat resumed>) = 3 [pid 6442] <... set_robust_list resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6440] exit_group(0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6442 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6443 attached [pid 6442] chdir("./115" [pid 6441] <... mknod resumed>) = 0 [pid 6440] <... exit_group resumed>) = ? [pid 5830] <... ioctl resumed>) = 0 [pid 6442] <... chdir resumed>) = 0 [pid 6441] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] close(3 [pid 6443] set_robust_list(0x555567654760, 24 [pid 6442] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6441] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6440] +++ exited with 0 +++ [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6443 [pid 5830] <... close resumed>) = 0 [pid 6443] <... set_robust_list resumed>) = 0 [pid 6442] <... prctl resumed>) = 0 [pid 6441] sync( [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6440, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6444 attached [pid 6443] chdir("./118" [pid 6442] setpgid(0, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6444] set_robust_list(0x555567654760, 24 [pid 6443] <... chdir resumed>) = 0 [pid 6442] <... setpgid resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6444] <... set_robust_list resumed>) = 0 [pid 6443] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6444 [pid 6444] chdir("./118" [pid 6443] <... prctl resumed>) = 0 [pid 6442] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6444] <... chdir resumed>) = 0 [pid 6443] setpgid(0, 0 [pid 6442] <... openat resumed>) = 3 [pid 6444] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6443] <... setpgid resumed>) = 0 [pid 6442] write(3, "1000", 4 [pid 5829] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6444] <... prctl resumed>) = 0 [pid 6443] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6442] <... write resumed>) = 4 [pid 6444] setpgid(0, 0 [pid 6443] <... openat resumed>) = 3 [pid 6442] close(3 [pid 6441] <... sync resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6444] <... setpgid resumed>) = 0 [pid 6443] write(3, "1000", 4 [pid 6442] <... close resumed>) = 0 [pid 6444] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6443] <... write resumed>) = 4 [pid 6442] symlink("/dev/binderfs", "./binderfs" [pid 5829] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6444] <... openat resumed>) = 3 [pid 6443] close(3 [pid 6442] <... symlink resumed>) = 0 [pid 6441] exit_group(0 [pid 6444] write(3, "1000", 4 [pid 6443] <... close resumed>) = 0 [pid 6441] <... exit_group resumed>) = ? [pid 5829] <... openat resumed>) = 3 [pid 6444] <... write resumed>) = 4 [pid 6443] symlink("/dev/binderfs", "./binderfs" executing program [pid 6442] write(1, "executing program\n", 18 [pid 5829] newfstatat(3, "", [pid 6444] close(3 [pid 6443] <... symlink resumed>) = 0 executing program [pid 6444] <... close resumed>) = 0 [pid 6443] write(1, "executing program\n", 18 [pid 6442] <... write resumed>) = 18 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6444] symlink("/dev/binderfs", "./binderfs" [pid 6443] <... write resumed>) = 18 executing program [pid 6444] <... symlink resumed>) = 0 [pid 6442] memfd_create("syzkaller", 0 [pid 6444] write(1, "executing program\n", 18) = 18 [pid 6443] memfd_create("syzkaller", 0 [pid 6441] +++ exited with 0 +++ [pid 5829] getdents64(3, [pid 6444] memfd_create("syzkaller", 0 [pid 6442] <... memfd_create resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] <... memfd_create resumed>) = 3 [pid 6442] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6441, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6443] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6442] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6443] <... mmap resumed>) = 0x7fa6be400000 [pid 6442] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6444] <... memfd_create resumed>) = 3 [pid 5829] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6444] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6443] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6442] <... write resumed>) = 524288 [pid 5829] newfstatat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6444] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6443] <... write resumed>) = 524288 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6442] munmap(0x7fa6be400000, 138412032) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6442] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(4, "", [pid 5831] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6444] <... write resumed>) = 524288 [pid 6442] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6444] munmap(0x7fa6be400000, 138412032 [pid 5831] openat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6444] <... munmap resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5829] getdents64(4, [pid 6444] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6444] <... openat resumed>) = 4 [pid 6443] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6444] ioctl(4, LOOP_SET_FD, 3 [pid 6443] <... munmap resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6443] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6443] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] close(4 [pid 6442] <... ioctl resumed>) = 0 [pid 6442] close(3 [pid 5829] <... close resumed>) = 0 [pid 6442] <... close resumed>) = 0 [pid 6442] close(4) = 0 [pid 6442] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6442] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] getdents64(4, [pid 5829] rmdir("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6442] <... mount resumed>) = 0 [pid 6442] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6442] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6442] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6442] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] close(4) = 0 [pid 5831] rmdir("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6443] <... ioctl resumed>) = 0 [pid 6443] close(3 [pid 6442] <... mknod resumed>) = 0 [pid 6442] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6443] <... close resumed>) = 0 [pid 6443] close(4) = 0 [pid 6443] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5831] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./120/binderfs", [pid 6443] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6442] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6442] sync( [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./117/binderfs", [pid 5829] unlink("./120/binderfs" [pid 6444] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6444] close(3 [pid 5831] unlink("./117/binderfs" [pid 5829] getdents64(3, [pid 6444] <... close resumed>) = 0 [pid 6444] close(4 [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6444] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5829] close(3 [pid 6444] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] close(3 [pid 5829] rmdir("./120" [pid 6443] <... mount resumed>) = 0 [ 147.052074][ T6442] loop4: detected capacity change from 0 to 1024 [ 147.069670][ T6444] loop1: detected capacity change from 0 to 1024 [ 147.074456][ T6443] loop3: detected capacity change from 0 to 1024 [pid 6444] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./117" [pid 6444] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6443] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] mkdir("./118", 0777 [pid 6443] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... mkdir resumed>) = 0 [pid 5829] mkdir("./121", 0777 [pid 6443] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... mkdir resumed>) = 0 [pid 6443] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6444] <... mount resumed>) = 0 [pid 6443] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6444] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6444] <... openat resumed>) = 3 [pid 6443] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] close(3 [pid 6444] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6444] <... chdir resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6444] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6442] <... sync resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6445 attached [pid 6444] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6442] exit_group(0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6445 [pid 5829] close(3 [pid 6444] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... close resumed>) = 0 [pid 6442] <... exit_group resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6446 attached [pid 6445] set_robust_list(0x555567654760, 24 [pid 6442] +++ exited with 0 +++ [pid 6445] <... set_robust_list resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6442, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6443] <... mknod resumed>) = 0 [pid 6446] set_robust_list(0x555567654760, 24 [pid 6445] chdir("./118" [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6446] <... set_robust_list resumed>) = 0 [pid 6445] <... chdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6446 [pid 6446] chdir("./121" [pid 6445] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6446] <... chdir resumed>) = 0 [pid 6445] <... prctl resumed>) = 0 [pid 6446] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6445] setpgid(0, 0 [pid 6446] <... prctl resumed>) = 0 [pid 6445] <... setpgid resumed>) = 0 [pid 6444] <... mknod resumed>) = 0 [pid 6446] setpgid(0, 0 [pid 6443] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6446] <... setpgid resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6446] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6445] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6444] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6446] <... openat resumed>) = 3 [pid 5833] umount2("./115", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./115", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6446] write(3, "1000", 4 [pid 6445] <... openat resumed>) = 3 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] <... write resumed>) = 4 [pid 6446] close(3 [pid 6445] write(3, "1000", 4) = 4 [pid 6445] close(3 [pid 6446] <... close resumed>) = 0 [pid 6445] <... close resumed>) = 0 [pid 6446] symlink("/dev/binderfs", "./binderfs" [pid 6445] symlink("/dev/binderfs", "./binderfs" [pid 6446] <... symlink resumed>) = 0 [pid 6445] <... symlink resumed>) = 0 [pid 6443] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6443] sync(executing program executing program [pid 6446] write(1, "executing program\n", 18 [pid 6445] write(1, "executing program\n", 18 [pid 6446] <... write resumed>) = 18 [pid 6445] <... write resumed>) = 18 [pid 6446] memfd_create("syzkaller", 0 [pid 6445] memfd_create("syzkaller", 0 [pid 6444] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6444] sync( [pid 6445] <... memfd_create resumed>) = 3 [pid 6446] <... memfd_create resumed>) = 3 [pid 6446] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6445] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6446] <... mmap resumed>) = 0x7fa6be400000 [pid 6445] <... mmap resumed>) = 0x7fa6be400000 [pid 6446] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6443] <... sync resumed>) = 0 [pid 6446] <... write resumed>) = 524288 [pid 6443] exit_group(0) = ? [pid 6445] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6443] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6443, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6444] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6446] munmap(0x7fa6be400000, 138412032 [pid 6445] <... write resumed>) = 524288 [pid 6444] exit_group(0 [pid 5833] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6444] <... exit_group resumed>) = ? [pid 6446] <... munmap resumed>) = 0 [pid 6444] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6444, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6446] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5830] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6446] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6446] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 3 [pid 6446] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] newfstatat(4, "", [pid 5830] newfstatat(3, "", [pid 6446] ioctl(4, LOOP_CLR_FD [pid 6445] munmap(0x7fa6be400000, 138412032 [pid 5832] getdents64(3, [pid 6446] <... ioctl resumed>) = 0 [pid 6445] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6445] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] getdents64(3, [pid 6445] <... openat resumed>) = 4 [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6445] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] getdents64(4, [pid 5832] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] close(4) = 0 [pid 6446] close(3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6446] <... close resumed>) = 0 [pid 5833] close(4 [pid 5830] <... umount2 resumed>) = 0 [pid 6446] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6445] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6446] <... mknod resumed>) = 0 [pid 6445] close(3 [pid 5833] rmdir("./115/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6446] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6445] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6446] <... link resumed>) = 0 [pid 6445] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6445] <... close resumed>) = 0 [pid 5833] umount2("./115/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6446] sync( [pid 6445] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6445] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6445] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... openat resumed>) = 4 [pid 5833] newfstatat(AT_FDCWD, "./115/binderfs", [pid 5832] <... umount2 resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] unlink("./115/binderfs" [pid 5832] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... unlink resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 147.308699][ T6445] loop2: detected capacity change from 0 to 1024 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] openat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./118/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5833] close(3 [pid 5830] unlink("./118/binderfs") = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5833] rmdir("./115" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] close(3) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5830] rmdir("./118" [pid 5833] mkdir("./116", 0777 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6445] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] mkdir("./119", 0777 [pid 6445] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6445] <... openat resumed>) = 3 [pid 5832] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6445] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6445] <... chdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./118/binderfs", [pid 6445] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6445] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6446] <... sync resumed>) = 0 [pid 5832] unlink("./118/binderfs" [pid 5830] <... openat resumed>) = 3 [pid 6446] exit_group(0 [pid 5832] <... unlink resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6446] <... exit_group resumed>) = ? [pid 5830] <... ioctl resumed>) = 0 [pid 6446] +++ exited with 0 +++ [pid 5830] close(3) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6446, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6447 attached [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6447 [pid 5829] <... openat resumed>) = 3 [pid 6447] set_robust_list(0x555567654760, 24 [pid 5832] <... close resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5832] rmdir("./118" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5829] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6447] <... set_robust_list resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6447] chdir("./119" [pid 6445] <... mknod resumed>) = 0 [pid 5829] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6447] <... chdir resumed>) = 0 [pid 6445] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] newfstatat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6447] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] mkdir("./119", 0777 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6447] <... prctl resumed>) = 0 [pid 5829] unlink("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6447] setpgid(0, 0 [pid 5829] <... unlink resumed>) = 0 [pid 6447] <... setpgid resumed>) = 0 [pid 5829] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6447] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./121/binderfs", [pid 6447] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] unlink("./121/binderfs" [pid 6447] write(3, "1000", 4 [pid 5829] <... unlink resumed>) = 0 [pid 6447] <... write resumed>) = 4 [pid 5829] getdents64(3, [pid 6447] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6447] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] close(3 [pid 6447] symlink("/dev/binderfs", "./binderfs" [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 6447] <... symlink resumed>) = 0 [pid 5829] rmdir("./121" [pid 6447] write(1, "executing program\n", 18 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 executing program [pid 6447] <... write resumed>) = 18 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(3 [pid 5829] mkdir("./122", 0777 [pid 5832] <... close resumed>) = 0 [pid 6447] memfd_create("syzkaller", 0 [pid 6445] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mkdir resumed>) = 0 [pid 6445] sync( [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6448 ./strace-static-x86_64: Process 6449 attached ./strace-static-x86_64: Process 6448 attached [pid 6448] set_robust_list(0x555567654760, 24 [pid 6447] <... memfd_create resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6449 [pid 6447] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6448] <... set_robust_list resumed>) = 0 [pid 6447] <... mmap resumed>) = 0x7fa6be400000 [pid 6449] set_robust_list(0x555567654760, 24 [pid 6448] chdir("./116" [pid 6447] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6449] <... set_robust_list resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6449] chdir("./119" [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] close(3 [pid 6449] <... chdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6449] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6449] <... prctl resumed>) = 0 [pid 6448] <... chdir resumed>) = 0 [pid 6445] <... sync resumed>) = 0 ./strace-static-x86_64: Process 6450 attached [pid 6449] setpgid(0, 0 [pid 6448] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6445] exit_group(0 [pid 6448] <... prctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6450 [pid 6448] setpgid(0, 0) = 0 [pid 6450] set_robust_list(0x555567654760, 24) = 0 [pid 6448] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] <... setpgid resumed>) = 0 [pid 6449] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6445] <... exit_group resumed>) = ? [pid 6450] chdir("./122" [pid 6448] <... openat resumed>) = 3 [pid 6445] +++ exited with 0 +++ [pid 6450] <... chdir resumed>) = 0 [pid 6448] write(3, "1000", 4 [pid 6450] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6448] <... write resumed>) = 4 [pid 6450] <... prctl resumed>) = 0 [pid 6448] close(3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6445, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6450] setpgid(0, 0 [pid 6449] <... openat resumed>) = 3 [pid 6448] <... close resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6450] <... setpgid resumed>) = 0 [pid 6449] write(3, "1000", 4 [pid 6448] symlink("/dev/binderfs", "./binderfs" [pid 6449] <... write resumed>) = 4 [pid 6450] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6449] close(3) = 0 [pid 6449] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6450] <... openat resumed>) = 3 [pid 6448] <... symlink resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6450] write(3, "1000", 4) = 4 [pid 6449] write(1, "executing program\n", 18 [pid 6448] write(1, "executing program\n", 18 [pid 6447] <... write resumed>) = 524288 executing program [pid 6448] <... write resumed>) = 18 [pid 5831] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ) = -1 EINVAL (Invalid argument) [pid 6449] <... write resumed>) = 18 [pid 6448] memfd_create("syzkaller", 0 [pid 5831] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6449] memfd_create("syzkaller", 0 [pid 6447] munmap(0x7fa6be400000, 138412032 [pid 5831] <... openat resumed>) = 3 [pid 6449] <... memfd_create resumed>) = 3 [pid 6447] <... munmap resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6450] close(3 [pid 6449] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6448] <... memfd_create resumed>) = 3 [pid 6447] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6450] <... close resumed>) = 0 [pid 6448] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6450] symlink("/dev/binderfs", "./binderfs" [pid 5831] getdents64(3, [pid 6448] <... mmap resumed>) = 0x7fa6be400000 [pid 6449] <... mmap resumed>) = 0x7fa6be400000 [pid 6447] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6447] ioctl(4, LOOP_SET_FD, 3 [pid 6450] <... symlink resumed>) = 0 [pid 5831] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6448] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6450] write(1, "executing program\n", 18executing program ) = 18 [pid 6450] memfd_create("syzkaller", 0) = 3 [pid 6449] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6450] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6447] <... ioctl resumed>) = 0 [pid 6447] close(3) = 0 [pid 6447] close(4) = 0 [pid 6447] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6448] <... write resumed>) = 524288 [pid 6447] <... mkdir resumed>) = 0 [pid 6449] <... write resumed>) = 524288 [pid 6449] munmap(0x7fa6be400000, 138412032) = 0 [pid 6450] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6448] munmap(0x7fa6be400000, 138412032 [pid 6447] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... umount2 resumed>) = 0 [pid 6449] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6448] <... munmap resumed>) = 0 [pid 6449] <... openat resumed>) = 4 [pid 6449] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6448] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6448] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6447] <... mount resumed>) = 0 [pid 6447] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6447] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 147.514367][ T6447] loop1: detected capacity change from 0 to 1024 [pid 6447] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6450] <... write resumed>) = 524288 [pid 5831] newfstatat(4, "", [pid 6448] <... ioctl resumed>) = 0 [pid 6447] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6449] <... ioctl resumed>) = 0 [pid 6448] close(3 [pid 5831] getdents64(4, [pid 6449] close(3 [pid 6448] <... close resumed>) = 0 [pid 6450] munmap(0x7fa6be400000, 138412032 [pid 6449] <... close resumed>) = 0 [pid 6447] <... mknod resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6450] <... munmap resumed>) = 0 [pid 6449] close(4 [pid 5831] getdents64(4, [pid 6449] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6449] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6448] close(4 [pid 5831] close(4 [pid 6448] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [ 147.570011][ T6448] loop4: detected capacity change from 0 to 1024 [ 147.577242][ T6449] loop3: detected capacity change from 0 to 1024 [pid 6449] <... mkdir resumed>) = 0 [pid 6448] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6450] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6447] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6448] <... mkdir resumed>) = 0 [pid 6449] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6448] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6450] <... openat resumed>) = 4 [pid 6448] <... mount resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6450] ioctl(4, LOOP_SET_FD, 3 [pid 6449] <... mount resumed>) = 0 [pid 6448] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./118/binderfs", [pid 6449] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6448] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6449] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6448] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] unlink("./118/binderfs" [pid 6449] <... chdir resumed>) = 0 [pid 6448] <... chdir resumed>) = 0 [pid 6449] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6448] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 6449] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6448] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6447] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] getdents64(3, [pid 6449] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6448] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6447] sync( [pid 5831] close(3) = 0 [pid 5831] rmdir("./118") = 0 [pid 6450] <... ioctl resumed>) = 0 [pid 5831] mkdir("./119", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6450] close(3 [pid 5831] <... openat resumed>) = 3 [pid 6450] <... close resumed>) = 0 [pid 6450] close(4 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6450] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6450] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] close(3 [pid 6450] <... mkdir resumed>) = 0 [pid 6449] <... mknod resumed>) = 0 [pid 6448] <... mknod resumed>) = 0 [pid 6450] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6449] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6448] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [ 147.644101][ T6450] loop0: detected capacity change from 0 to 1024 [pid 6448] sync( [pid 5831] <... close resumed>) = 0 [pid 6449] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6449] sync( [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6450] <... mount resumed>) = 0 [pid 6450] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6451 attached [pid 6450] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6447] <... sync resumed>) = 0 [pid 6450] <... chdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6451 [pid 6450] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6447] exit_group(0 [pid 6451] set_robust_list(0x555567654760, 24 [pid 6450] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6451] <... set_robust_list resumed>) = 0 [pid 6450] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6451] chdir("./119" [pid 6449] <... sync resumed>) = 0 [pid 6448] <... sync resumed>) = 0 [pid 6447] <... exit_group resumed>) = ? [pid 6448] exit_group(0 [pid 6447] +++ exited with 0 +++ [pid 6451] <... chdir resumed>) = 0 [pid 6449] exit_group(0 [pid 6451] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6450] <... mknod resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6447, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6451] <... prctl resumed>) = 0 [pid 6449] <... exit_group resumed>) = ? [pid 6448] <... exit_group resumed>) = ? [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6451] setpgid(0, 0 [pid 6450] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6449] +++ exited with 0 +++ [pid 6448] +++ exited with 0 +++ [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6448, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6449, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6451] <... setpgid resumed>) = 0 [pid 5832] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6451] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./116", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6451] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./116", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6451] write(3, "1000", 4 [pid 6450] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5830] <... openat resumed>) = 3 [pid 6450] sync( [pid 5830] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5833] getdents64(3, [pid 5832] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6451] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6451] close(3 [pid 5830] <... umount2 resumed>) = 0 [pid 6451] <... close resumed>) = 0 [pid 6451] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6451] write(1, "executing program\n", 18) = 18 [pid 5830] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6451] memfd_create("syzkaller", 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6451] <... memfd_create resumed>) = 3 [pid 5830] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6451] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6451] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6450] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./119/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./119/binderfs") = 0 [pid 6451] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 6450] exit_group(0) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] rmdir("./119" [pid 5833] umount2("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6450] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] mkdir("./120", 0777 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6450, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6451] <... write resumed>) = 524288 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] getdents64(4, [pid 6451] munmap(0x7fa6be400000, 138412032 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] close(4 [pid 5832] getdents64(4, ./strace-static-x86_64: Process 6452 attached [pid 6451] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] rmdir("./116/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] close(4 [pid 6451] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6452 [pid 5829] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6451] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5832] rmdir("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6451] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... openat resumed>) = 3 [pid 6452] set_robust_list(0x555567654760, 24 [pid 5829] newfstatat(3, "", [pid 6452] <... set_robust_list resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6452] chdir("./120" [pid 5833] umount2("./116/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] newfstatat(AT_FDCWD, "./116/binderfs", [pid 5832] newfstatat(AT_FDCWD, "./119/binderfs", [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./116/binderfs" [pid 5832] unlink("./119/binderfs"executing program [pid 6452] <... chdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6452] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6452] setpgid(0, 0) = 0 [pid 6452] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6452] write(3, "1000", 4) = 4 [pid 6452] close(3) = 0 [pid 6452] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6452] write(1, "executing program\n", 18) = 18 [pid 6452] memfd_create("syzkaller", 0) = 3 [pid 6452] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5833] getdents64(3, [pid 5832] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 6452] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] close(3 [pid 5832] rmdir("./119" [pid 6451] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6451] close(3) = 0 [pid 6451] close(4 [pid 5833] rmdir("./116" [pid 5832] mkdir("./120", 0777 [pid 5829] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6451] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6451] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6451] <... mkdir resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 6451] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] rmdir("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] mkdir("./117", 0777 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [ 147.845458][ T6451] loop2: detected capacity change from 0 to 1024 [pid 5829] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(AT_FDCWD, "./122/binderfs", [pid 6452] <... write resumed>) = 524288 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... ioctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5829] unlink("./122/binderfs" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] rmdir("./122" [pid 5833] close(3 [pid 5829] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6453 attached [pid 6451] <... mount resumed>) = 0 [pid 6451] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6451] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6451] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6451] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6453 [pid 5829] mkdir("./123", 0777 [pid 6453] set_robust_list(0x555567654760, 24 [pid 6452] munmap(0x7fa6be400000, 138412032 [pid 6451] <... mknod resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6452] <... munmap resumed>) = 0 [pid 6451] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6452] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] close(3 [pid 6452] <... openat resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6454 attached [pid 6452] ioctl(4, LOOP_SET_FD, 3 [pid 6453] <... set_robust_list resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6454 [pid 6454] set_robust_list(0x555567654760, 24 [pid 6453] chdir("./120" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6454] <... set_robust_list resumed>) = 0 [pid 6453] <... chdir resumed>) = 0 [pid 6454] chdir("./123" [pid 6451] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6453] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6455 ./strace-static-x86_64: Process 6455 attached [pid 6453] <... prctl resumed>) = 0 [pid 6451] sync( [pid 6453] setpgid(0, 0 [pid 6454] <... chdir resumed>) = 0 [pid 6453] <... setpgid resumed>) = 0 [pid 6454] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6453] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6454] <... prctl resumed>) = 0 [pid 6454] setpgid(0, 0) = 0 [pid 6453] <... openat resumed>) = 3 [pid 6455] set_robust_list(0x555567654760, 24 [pid 6454] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6453] write(3, "1000", 4 [pid 6455] <... set_robust_list resumed>) = 0 [pid 6453] <... write resumed>) = 4 [pid 6453] close(3 [pid 6455] chdir("./117" [pid 6454] <... openat resumed>) = 3 [pid 6454] write(3, "1000", 4) = 4 [pid 6454] close(3) = 0 [pid 6454] symlink("/dev/binderfs", "./binderfs"executing program [pid 6455] <... chdir resumed>) = 0 [pid 6454] <... symlink resumed>) = 0 [pid 6453] <... close resumed>) = 0 [pid 6454] write(1, "executing program\n", 18 [pid 6455] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6454] <... write resumed>) = 18 [pid 6453] symlink("/dev/binderfs", "./binderfs" [pid 6452] <... ioctl resumed>) = 0 [pid 6455] <... prctl resumed>) = 0 [pid 6454] memfd_create("syzkaller", 0 [pid 6455] setpgid(0, 0 [pid 6454] <... memfd_create resumed>) = 3 [pid 6452] close(3 [pid 6454] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program [pid 6452] <... close resumed>) = 0 [pid 6455] <... setpgid resumed>) = 0 [pid 6453] <... symlink resumed>) = 0 [pid 6454] <... mmap resumed>) = 0x7fa6be400000 [pid 6453] write(1, "executing program\n", 18 [pid 6452] close(4 [pid 6451] <... sync resumed>) = 0 [pid 6455] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6453] <... write resumed>) = 18 [pid 6452] <... close resumed>) = 0 [pid 6455] <... openat resumed>) = 3 [pid 6453] memfd_create("syzkaller", 0 [pid 6451] exit_group(0 [pid 6452] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6451] <... exit_group resumed>) = ? [pid 6453] <... memfd_create resumed>) = 3 [pid 6452] <... mkdir resumed>) = 0 [pid 6451] +++ exited with 0 +++ [pid 6455] write(3, "1000", 4 [pid 6453] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6455] <... write resumed>) = 4 [pid 6453] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6451, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6455] close(3) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6455] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6455] write(1, "executing program\n", 18 [pid 6454] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6452] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6455] <... write resumed>) = 18 [pid 6455] memfd_create("syzkaller", 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6455] <... memfd_create resumed>) = 3 [pid 6453] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... openat resumed>) = 3 [pid 6455] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 147.946624][ T6452] loop1: detected capacity change from 0 to 1024 [pid 5831] newfstatat(3, "", [pid 6455] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 6455] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6452] <... mount resumed>) = 0 [pid 6452] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6452] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6452] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6452] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6452] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6454] <... write resumed>) = 524288 [pid 6454] munmap(0x7fa6be400000, 138412032) = 0 [pid 6454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6454] ioctl(4, LOOP_SET_FD, 3 [pid 6453] <... write resumed>) = 524288 [pid 6452] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6453] munmap(0x7fa6be400000, 138412032 [pid 5831] newfstatat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6455] <... write resumed>) = 524288 [pid 6453] <... munmap resumed>) = 0 [pid 6452] sync( [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", [pid 6453] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6453] <... openat resumed>) = 4 [pid 6453] ioctl(4, LOOP_SET_FD, 3 [pid 6455] munmap(0x7fa6be400000, 138412032 [pid 5831] getdents64(4, [pid 6455] <... munmap resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6454] <... ioctl resumed>) = 0 [pid 6454] close(3) = 0 [pid 6454] close(4) = 0 [pid 5831] getdents64(4, [pid 6454] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6455] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6454] <... mkdir resumed>) = 0 [pid 6452] <... sync resumed>) = 0 [pid 5831] close(4 [pid 6455] <... openat resumed>) = 4 [pid 6454] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6452] exit_group(0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6452] <... exit_group resumed>) = ? [pid 6455] ioctl(4, LOOP_SET_FD, 3 [pid 6452] +++ exited with 0 +++ [pid 5831] <... rmdir resumed>) = 0 [ 148.068532][ T6454] loop0: detected capacity change from 0 to 1024 [ 148.084842][ T6453] loop3: detected capacity change from 0 to 1024 [pid 5831] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6452, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 6453] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6453] close(3 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6454] <... mount resumed>) = 0 [pid 6453] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./119/binderfs", [pid 5830] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6453] close(4 [pid 6454] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6453] <... close resumed>) = 0 [pid 5831] unlink("./119/binderfs" [pid 6454] <... openat resumed>) = 3 [pid 6454] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6454] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6453] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6455] <... ioctl resumed>) = 0 [pid 6453] <... mkdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6455] close(3 [pid 6454] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6455] <... close resumed>) = 0 [pid 5831] close(3 [pid 5830] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6455] close(4) = 0 [pid 6453] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6455] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] rmdir("./119" [pid 6455] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] mkdir("./120", 0777 [pid 6455] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6454] <... mknod resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6454] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6453] <... mount resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6453] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 6453] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] openat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6453] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... openat resumed>) = 4 [pid 6453] <... chdir resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6453] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6453] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] getdents64(4, [pid 6454] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, ./strace-static-x86_64: Process 6456 attached [pid 6454] sync( [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 6453] <... mknod resumed>) = 0 [pid 5830] rmdir("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 148.110187][ T6455] loop4: detected capacity change from 0 to 1024 [pid 6456] set_robust_list(0x555567654760, 24 [pid 6453] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6456 [pid 6456] <... set_robust_list resumed>) = 0 [pid 6456] chdir("./120" [pid 5830] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6456] <... chdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./120/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./120/binderfs") = 0 [pid 6456] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] getdents64(3, [pid 6455] <... mount resumed>) = 0 [pid 6456] <... prctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6456] setpgid(0, 0 [pid 6455] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6456] <... setpgid resumed>) = 0 [pid 6455] <... openat resumed>) = 3 [pid 5830] close(3 [pid 6455] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6456] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6455] <... chdir resumed>) = 0 [pid 6453] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... close resumed>) = 0 [pid 6453] sync( [pid 6456] <... openat resumed>) = 3 [pid 6455] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6456] write(3, "1000", 4) = 4 [pid 6455] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6456] close(3 [pid 5830] rmdir("./120") = 0 executing program [pid 6456] <... close resumed>) = 0 [pid 6456] symlink("/dev/binderfs", "./binderfs" [pid 5830] mkdir("./121", 0777 [pid 6456] <... symlink resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6456] write(1, "executing program\n", 18) = 18 [pid 6456] memfd_create("syzkaller", 0 [pid 6455] <... mknod resumed>) = 0 [pid 6456] <... memfd_create resumed>) = 3 [pid 6456] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6455] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6456] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 6455] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6455] sync( [pid 6454] <... sync resumed>) = 0 [pid 6454] exit_group(0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6457 attached [pid 6457] set_robust_list(0x555567654760, 24 [pid 6454] <... exit_group resumed>) = ? [pid 6457] <... set_robust_list resumed>) = 0 [pid 6454] +++ exited with 0 +++ [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6457 [pid 6457] chdir("./121") = 0 [pid 6456] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6454, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6457] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6457] <... prctl resumed>) = 0 [pid 6457] setpgid(0, 0) = 0 [pid 6457] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6457] write(3, "1000", 4) = 4 [pid 6457] close(3) = 0 [pid 6457] symlink("/dev/binderfs", "./binderfs" [pid 6455] <... sync resumed>) = 0 [pid 6453] <... sync resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6457] <... symlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 executing program [pid 6457] write(1, "executing program\n", 18 [pid 6453] exit_group(0 [pid 5829] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6457] <... write resumed>) = 18 [pid 6453] <... exit_group resumed>) = ? [pid 6457] memfd_create("syzkaller", 0 [pid 6455] exit_group(0 [pid 6453] +++ exited with 0 +++ [pid 6457] <... memfd_create resumed>) = 3 [pid 6457] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6453, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6455] <... exit_group resumed>) = ? [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6455] +++ exited with 0 +++ [pid 6456] <... write resumed>) = 524288 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6455, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./117", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 6457] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6456] munmap(0x7fa6be400000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(3, "", [pid 6456] <... munmap resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./117", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] getdents64(3, [pid 6457] <... write resumed>) = 524288 [pid 5833] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6456] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6456] <... openat resumed>) = 4 [pid 5833] getdents64(3, [pid 5832] <... umount2 resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] getdents64(4, [pid 6456] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6457] munmap(0x7fa6be400000, 138412032) = 0 [pid 5829] unlink("./123/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./123") = 0 [pid 6457] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] mkdir("./124", 0777 [pid 6457] <... openat resumed>) = 4 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6457] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567654750) = 6458 ./strace-static-x86_64: Process 6458 attached [pid 6458] set_robust_list(0x555567654760, 24) = 0 [pid 6458] chdir("./124") = 0 [pid 6458] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6458] setpgid(0, 0) = 0 [pid 6458] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6457] <... ioctl resumed>) = 0 [pid 6456] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6458] write(3, "1000", 4) = 4 [pid 6458] close(3) = 0 [pid 6456] close(3 [pid 6458] symlink("/dev/binderfs", "./binderfs" [pid 6456] <... close resumed>) = 0 [pid 5832] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6458] <... symlink resumed>) = 0 [pid 6456] close(4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6456] <... close resumed>) = 0 [pid 6457] close(3 [pid 6456] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777executing program [pid 5832] openat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6458] write(1, "executing program\n", 18 [pid 6457] <... close resumed>) = 0 [pid 6456] <... mkdir resumed>) = 0 [pid 5833] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6457] close(4 [pid 6458] <... write resumed>) = 18 [pid 6457] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 4 [pid 6458] memfd_create("syzkaller", 0 [pid 6457] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6458] <... memfd_create resumed>) = 3 [pid 6457] <... mkdir resumed>) = 0 [pid 6456] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] newfstatat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6458] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] umount2("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6458] <... mmap resumed>) = 0x7fa6be400000 [pid 6457] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5833] openat(AT_FDCWD, "./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [ 148.311252][ T6456] loop2: detected capacity change from 0 to 1024 [ 148.320713][ T6457] loop1: detected capacity change from 0 to 1024 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 5833] getdents64(4, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] close(4 [pid 5833] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 6458] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(4) = 0 [pid 5833] rmdir("./117/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./117/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./120/binderfs", [pid 5833] newfstatat(AT_FDCWD, "./117/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./120/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6456] <... mount resumed>) = 0 [pid 6456] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] unlink("./117/binderfs" [pid 5832] <... unlink resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 6456] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6457] <... mount resumed>) = 0 [pid 6456] <... chdir resumed>) = 0 [pid 6456] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6456] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] close(3 [pid 6457] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 6457] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./120" [pid 6457] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] mkdir("./121", 0777 [pid 6457] <... chdir resumed>) = 0 [pid 6457] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6456] <... mknod resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5833] rmdir("./117" [pid 6457] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6456] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6458] <... write resumed>) = 524288 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] mkdir("./118", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6458] munmap(0x7fa6be400000, 138412032 [pid 6457] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6458] <... munmap resumed>) = 0 [pid 5832] close(3 [pid 6458] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 6458] <... openat resumed>) = 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... openat resumed>) = 3 [pid 6458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6458] ioctl(4, LOOP_CLR_FD) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6458] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6458] close(4) = 0 [pid 6458] close(3 [pid 6457] <... mknod resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6459 attached [pid 6459] set_robust_list(0x555567654760, 24 [pid 6457] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6459 [pid 6459] <... set_robust_list resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6459] chdir("./121" [pid 6456] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6460 attached [pid 6459] <... chdir resumed>) = 0 [pid 6456] sync( [pid 6460] set_robust_list(0x555567654760, 24 [pid 6459] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6460 [pid 6459] setpgid(0, 0 [pid 6458] <... close resumed>) = 0 [pid 6460] <... set_robust_list resumed>) = 0 [pid 6459] <... setpgid resumed>) = 0 [pid 6460] chdir("./118" [pid 6459] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6460] <... chdir resumed>) = 0 [pid 6459] <... openat resumed>) = 3 [pid 6458] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6460] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] write(3, "1000", 4 [pid 6458] <... mknod resumed>) = 0 [pid 6457] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6459] <... write resumed>) = 4 [pid 6460] <... prctl resumed>) = 0 [pid 6459] close(3) = 0 [pid 6458] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6457] sync( [pid 6458] <... link resumed>) = 0 [pid 6460] setpgid(0, 0 [pid 6458] sync( [pid 6460] <... setpgid resumed>) = 0 [pid 6459] symlink("/dev/binderfs", "./binderfs" [pid 6460] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6459] <... symlink resumed>) = 0 [pid 6460] <... openat resumed>) = 3 [pid 6459] write(1, "executing program\n", 18executing program ) = 18 [pid 6459] memfd_create("syzkaller", 0) = 3 [pid 6460] write(3, "1000", 4) = 4 [pid 6459] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6460] close(3) = 0 [pid 6459] <... mmap resumed>) = 0x7fa6be400000 [pid 6460] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6458] <... sync resumed>) = 0 [pid 6456] <... sync resumed>) = 0 [pid 6458] exit_group(0 [pid 6456] exit_group(0) = ? executing program [pid 6460] write(1, "executing program\n", 18 [pid 6458] <... exit_group resumed>) = ? [pid 6457] <... sync resumed>) = 0 [pid 6456] +++ exited with 0 +++ [pid 6460] <... write resumed>) = 18 [pid 6460] memfd_create("syzkaller", 0 [pid 6458] +++ exited with 0 +++ [pid 6457] exit_group(0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6458, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6460] <... memfd_create resumed>) = 3 [pid 6457] <... exit_group resumed>) = ? [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6456, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6460] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6457] +++ exited with 0 +++ [pid 6460] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6457, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] newfstatat(3, "", [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 6459] <... write resumed>) = 524288 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... openat resumed>) = 3 [pid 5829] unlink("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6460] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] newfstatat(3, "", [pid 5829] <... unlink resumed>) = 0 [pid 5829] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6460] <... write resumed>) = 524288 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] unlink("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6459] munmap(0x7fa6be400000, 138412032 [pid 5829] <... unlink resumed>) = 0 [pid 5830] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] <... munmap resumed>) = 0 [pid 5829] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6459] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./124/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./124") = 0 [pid 5829] mkdir("./125", 0777) = 0 [pid 6460] munmap(0x7fa6be400000, 138412032 [pid 6459] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = 0 [pid 6459] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6460] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6460] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 6460] <... openat resumed>) = 4 [pid 6460] ioctl(4, LOOP_SET_FD, 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6459] <... ioctl resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(3 [pid 5831] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6461 attached [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6461 [pid 5831] close(4 [pid 6461] set_robust_list(0x555567654760, 24 [pid 6459] close(3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6461] <... set_robust_list resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6459] <... close resumed>) = 0 [pid 5831] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./120/binderfs", [pid 6461] chdir("./125" [pid 6459] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6461] <... chdir resumed>) = 0 [pid 6459] <... close resumed>) = 0 [pid 5831] unlink("./120/binderfs" [pid 6461] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... unlink resumed>) = 0 [pid 6459] <... mkdir resumed>) = 0 [pid 6461] <... prctl resumed>) = 0 [pid 5831] getdents64(3, [ 148.599497][ T6459] loop3: detected capacity change from 0 to 1024 [ 148.601359][ T6460] loop4: detected capacity change from 0 to 1024 [pid 6459] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6461] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] close(3) = 0 [pid 5831] rmdir("./120" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6461] <... setpgid resumed>) = 0 [pid 5830] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6461] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] mkdir("./121", 0777 [pid 6460] <... ioctl resumed>) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6460] close(3 [pid 5830] rmdir("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6460] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6460] close(4 [pid 6461] <... openat resumed>) = 3 [pid 6460] <... close resumed>) = 0 [pid 5830] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6460] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] write(3, "1000", 4 [pid 6460] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./121/binderfs", [pid 6461] <... write resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 6461] close(3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6461] <... close resumed>) = 0 executing program [pid 6461] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./121/binderfs" [pid 6461] <... symlink resumed>) = 0 [pid 5831] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 6461] write(1, "executing program\n", 18 [pid 6460] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6461] <... write resumed>) = 18 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6461] memfd_create("syzkaller", 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./121") = 0 [pid 5830] mkdir("./122", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 ./strace-static-x86_64: Process 6462 attached [pid 6461] <... memfd_create resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6463 attached [pid 6460] <... mount resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6462 [pid 6463] set_robust_list(0x555567654760, 24 [pid 6461] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6463] <... set_robust_list resumed>) = 0 [pid 6460] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6461] <... mmap resumed>) = 0x7fa6be400000 [pid 6463] chdir("./122") = 0 [pid 6462] set_robust_list(0x555567654760, 24 [pid 6460] <... openat resumed>) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6463 [pid 6463] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6460] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6463] <... prctl resumed>) = 0 [pid 6460] <... chdir resumed>) = 0 [pid 6463] setpgid(0, 0 [pid 6462] <... set_robust_list resumed>) = 0 [pid 6460] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6459] <... mount resumed>) = 0 [pid 6462] chdir("./121" [pid 6459] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6460] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6459] <... openat resumed>) = 3 [pid 6459] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6462] <... chdir resumed>) = 0 [pid 6463] <... setpgid resumed>) = 0 [pid 6462] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6459] <... chdir resumed>) = 0 [pid 6462] <... prctl resumed>) = 0 [pid 6459] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6463] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6462] setpgid(0, 0 [pid 6460] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6459] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6461] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6463] <... openat resumed>) = 3 [pid 6462] <... setpgid resumed>) = 0 [pid 6460] <... mknod resumed>) = 0 [pid 6459] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6463] write(3, "1000", 4 [pid 6460] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6463] <... write resumed>) = 4 [pid 6462] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6463] close(3) = 0 [pid 6462] <... openat resumed>) = 3 [pid 6463] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6462] write(3, "1000", 4 [pid 6460] <... link resumed>) = -1 ENOSPC (No space left on device) executing program [pid 6463] write(1, "executing program\n", 18 [pid 6462] <... write resumed>) = 4 [pid 6460] sync( [pid 6463] <... write resumed>) = 18 [pid 6462] close(3 [pid 6463] memfd_create("syzkaller", 0 [pid 6459] <... mknod resumed>) = 0 [pid 6462] <... close resumed>) = 0 [pid 6462] symlink("/dev/binderfs", "./binderfs" [pid 6459] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6463] <... memfd_create resumed>) = 3 [pid 6463] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6461] <... write resumed>) = 524288 [pid 6463] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6461] munmap(0x7fa6be400000, 138412032) = 0 [pid 6462] <... symlink resumed>) = 0 [pid 6461] openat(AT_FDCWD, "/dev/loop0", O_RDWRexecuting program [pid 6462] write(1, "executing program\n", 18 [pid 6461] <... openat resumed>) = 4 [pid 6462] <... write resumed>) = 18 [pid 6462] memfd_create("syzkaller", 0) = 3 [pid 6461] ioctl(4, LOOP_SET_FD, 3 [pid 6459] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6460] <... sync resumed>) = 0 [pid 6460] exit_group(0) = ? [pid 6463] <... write resumed>) = 524288 [pid 6462] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6459] sync( [pid 6462] <... mmap resumed>) = 0x7fa6be400000 [pid 6460] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6460, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6462] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6461] <... ioctl resumed>) = 0 [pid 6463] munmap(0x7fa6be400000, 138412032) = 0 [pid 6461] close(3 [pid 6459] <... sync resumed>) = 0 [pid 5833] umount2("./118", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6461] <... close resumed>) = 0 [pid 6459] exit_group(0 [pid 5833] openat(AT_FDCWD, "./118", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6463] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6459] <... exit_group resumed>) = ? [pid 6463] <... openat resumed>) = 4 [pid 6461] close(4 [pid 6459] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 3 [pid 6461] <... close resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6459, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] newfstatat(3, "", [ 148.773608][ T6461] loop0: detected capacity change from 0 to 1024 [pid 6461] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6463] ioctl(4, LOOP_SET_FD, 3 [pid 6461] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6461] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6462] <... write resumed>) = 524288 [pid 5833] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6462] munmap(0x7fa6be400000, 138412032 [pid 5832] <... openat resumed>) = 3 [pid 6462] <... munmap resumed>) = 0 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6462] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6462] ioctl(4, LOOP_SET_FD, 3 [pid 6463] <... ioctl resumed>) = 0 [pid 6463] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 6463] <... close resumed>) = 0 [pid 6463] close(4) = 0 [pid 6463] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5833] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6463] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6461] <... mount resumed>) = 0 [pid 5833] umount2("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6461] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6463] <... mount resumed>) = 0 [pid 6463] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6463] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6463] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 6461] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6463] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6462] <... ioctl resumed>) = 0 [pid 6461] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 148.826644][ T6463] loop1: detected capacity change from 0 to 1024 [ 148.856921][ T6462] loop2: detected capacity change from 0 to 1024 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6462] close(3 [pid 6461] <... chdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = 0 [pid 6463] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6461] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6461] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6461] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6462] <... close resumed>) = 0 [pid 5833] rmdir("./118/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6462] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6463] <... mknod resumed>) = 0 [pid 6462] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6463] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6462] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./118/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6463] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... openat resumed>) = 4 [pid 6463] sync( [pid 6462] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(4, "", [pid 6461] <... mknod resumed>) = 0 [pid 6462] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6461] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./118/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(4, [pid 5833] unlink("./118/binderfs" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6461] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... unlink resumed>) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6462] <... mount resumed>) = 0 [pid 6461] sync( [pid 5833] close(3 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./118" [pid 6462] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] mkdir("./119", 0777 [pid 5832] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./121/binderfs", [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6463] <... sync resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6463] exit_group(0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6463] <... exit_group resumed>) = ? [pid 5833] <... ioctl resumed>) = 0 [pid 6463] +++ exited with 0 +++ [pid 6462] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(3 [pid 5832] unlink("./121/binderfs" [pid 5833] <... close resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6462] <... chdir resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6463, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6462] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(3, [pid 5830] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6464 attached [pid 6462] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6464] set_robust_list(0x555567654760, 24 [pid 6462] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6461] <... sync resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6464 [pid 5832] close(3 [pid 6464] <... set_robust_list resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./121" [pid 6464] chdir("./119" [pid 5832] <... rmdir resumed>) = 0 [pid 6464] <... chdir resumed>) = 0 [pid 5832] mkdir("./122", 0777) = 0 [pid 6464] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6464] setpgid(0, 0) = 0 [pid 6462] <... mknod resumed>) = 0 [pid 6461] exit_group(0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6464] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6461] <... exit_group resumed>) = ? [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6461] +++ exited with 0 +++ [pid 6464] <... openat resumed>) = 3 [pid 6462] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... ioctl resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6461, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] close(3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6464] write(3, "1000", 4 [pid 5832] <... close resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6464] <... write resumed>) = 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5830] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6464] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6464] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6465 [pid 6464] symlink("/dev/binderfs", "./binderfs" [pid 5830] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 ./strace-static-x86_64: Process 6465 attached [pid 6464] <... symlink resumed>) = 0 [pid 6462] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6464] write(1, "executing program\n", 18 [pid 6462] sync( [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 executing program [pid 6465] set_robust_list(0x555567654760, 24 [pid 5830] close(4 [pid 6465] <... set_robust_list resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6464] <... write resumed>) = 18 [pid 6465] chdir("./122" [pid 5830] rmdir("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6465] <... chdir resumed>) = 0 [pid 5830] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6465] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] <... prctl resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./122/binderfs", [pid 6465] setpgid(0, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6465] <... setpgid resumed>) = 0 [pid 5830] unlink("./122/binderfs" [pid 6465] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... unlink resumed>) = 0 [pid 6465] <... openat resumed>) = 3 [pid 6464] memfd_create("syzkaller", 0 [pid 5830] getdents64(3, [pid 6464] <... memfd_create resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6464] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] close(3 [pid 6464] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... close resumed>) = 0 [pid 6465] write(3, "1000", 4 [pid 5830] rmdir("./122" [pid 6465] <... write resumed>) = 4 [pid 6465] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 6465] <... close resumed>) = 0 [pid 5830] mkdir("./123", 0777 [pid 6465] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... mkdir resumed>) = 0 [pid 6465] <... symlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... umount2 resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6465] write(1, "executing program\n", 18 [pid 6464] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] <... write resumed>) = 18 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6465] memfd_create("syzkaller", 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6465] <... memfd_create resumed>) = 3 [pid 5829] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6465] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6465] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] openat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6466 attached [pid 6462] <... sync resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6466 [pid 5829] <... openat resumed>) = 4 [pid 6462] exit_group(0 [pid 5829] newfstatat(4, "", [pid 6466] set_robust_list(0x555567654760, 24 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6466] <... set_robust_list resumed>) = 0 [pid 6462] <... exit_group resumed>) = ? [pid 5829] close(4) = 0 [pid 5829] rmdir("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6466] chdir("./123" [pid 6462] +++ exited with 0 +++ [pid 5829] <... rmdir resumed>) = 0 [pid 6466] <... chdir resumed>) = 0 [pid 6466] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6462, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6466] <... prctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] newfstatat(AT_FDCWD, "./125/binderfs", [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6465] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] unlink("./125/binderfs" [pid 6466] setpgid(0, 0 [pid 5829] <... unlink resumed>) = 0 [pid 6466] <... setpgid resumed>) = 0 [pid 5831] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6466] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6466] <... openat resumed>) = 3 [pid 6464] <... write resumed>) = 524288 [pid 5831] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5829] rmdir("./125" [pid 6464] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] mkdir("./126", 0777 [pid 6466] write(3, "1000", 4 [pid 6464] <... munmap resumed>) = 0 [pid 5831] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... mkdir resumed>) = 0 [pid 6466] <... write resumed>) = 4 [pid 6466] close(3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6466] <... close resumed>) = 0 [pid 6464] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6466] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5829] <... openat resumed>) = 3 [pid 6465] <... write resumed>) = 524288 [pid 6466] write(1, "executing program\n", 18 [pid 6465] munmap(0x7fa6be400000, 138412032 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6465] <... munmap resumed>) = 0 [pid 6464] <... openat resumed>) = 4 [pid 5829] <... ioctl resumed>) = 0 executing program [pid 6466] <... write resumed>) = 18 [pid 6464] ioctl(4, LOOP_SET_FD, 3 [pid 6466] memfd_create("syzkaller", 0 [pid 6465] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = 0 [pid 5829] close(3 [pid 6466] <... memfd_create resumed>) = 3 [pid 6465] <... openat resumed>) = 4 [pid 5831] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6465] ioctl(4, LOOP_SET_FD, 3 [pid 6466] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] newfstatat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6467 attached [pid 6466] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6467] set_robust_list(0x555567654760, 24 [pid 5831] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6467 [pid 6467] <... set_robust_list resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6467] chdir("./126") = 0 [pid 6467] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6464] <... ioctl resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6467] <... prctl resumed>) = 0 [pid 6464] close(3 [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6467] setpgid(0, 0 [pid 6464] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6464] close(4 [pid 6467] <... setpgid resumed>) = 0 [pid 6467] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6464] <... close resumed>) = 0 [pid 6464] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6467] <... openat resumed>) = 3 [pid 5831] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./121/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6464] <... mkdir resumed>) = 0 [pid 6467] write(3, "1000", 4 [pid 6464] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6467] <... write resumed>) = 4 [pid 5831] unlink("./121/binderfs" [pid 6467] close(3 [pid 5831] <... unlink resumed>) = 0 [pid 6467] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 6467] symlink("/dev/binderfs", "./binderfs" [pid 6465] <... ioctl resumed>) = 0 executing program [pid 6467] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6467] write(1, "executing program\n", 18 [pid 5831] close(3 [pid 6467] <... write resumed>) = 18 [pid 6466] <... write resumed>) = 524288 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./121") = 0 [pid 6466] munmap(0x7fa6be400000, 138412032 [pid 5831] mkdir("./122", 0777 [pid 6467] memfd_create("syzkaller", 0 [pid 6466] <... munmap resumed>) = 0 [pid 6465] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 6466] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6466] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6466] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6467] <... memfd_create resumed>) = 3 [pid 6465] <... close resumed>) = 0 [ 149.149072][ T6464] loop4: detected capacity change from 0 to 1024 [ 149.181502][ T6465] loop3: detected capacity change from 0 to 1024 [pid 6467] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6465] close(4) = 0 [pid 6467] <... mmap resumed>) = 0x7fa6be400000 [pid 6465] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6465] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6467] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6464] <... mount resumed>) = 0 [pid 6464] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 6464] <... openat resumed>) = 3 [pid 6464] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6468 attached [pid 6464] <... chdir resumed>) = 0 [pid 6465] <... mount resumed>) = 0 [pid 6464] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6468] set_robust_list(0x555567654760, 24 [pid 6467] <... write resumed>) = 524288 [pid 6465] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6464] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6468 [pid 6468] <... set_robust_list resumed>) = 0 [pid 6465] <... openat resumed>) = 3 [pid 6464] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6468] chdir("./122") = 0 [pid 6468] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6468] setpgid(0, 0) = 0 [pid 6468] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6468] write(3, "1000", 4) = 4 [pid 6468] close(3 [pid 6465] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6468] <... close resumed>) = 0 [pid 6468] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6465] <... chdir resumed>) = 0 [pid 6468] write(1, "executing program\n", 18 [pid 6465] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) executing program [pid 6468] <... write resumed>) = 18 [pid 6467] munmap(0x7fa6be400000, 138412032 [pid 6466] <... ioctl resumed>) = 0 [pid 6465] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6464] <... mknod resumed>) = 0 [pid 6468] memfd_create("syzkaller", 0 [pid 6467] <... munmap resumed>) = 0 [pid 6466] close(3 [pid 6464] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6468] <... memfd_create resumed>) = 3 [pid 6466] <... close resumed>) = 0 [pid 6466] close(4) = 0 [pid 6466] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6468] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6466] <... mkdir resumed>) = 0 [pid 6468] <... mmap resumed>) = 0x7fa6be400000 [pid 6467] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6465] <... mknod resumed>) = 0 [pid 6465] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 149.243178][ T6466] loop1: detected capacity change from 0 to 1024 [pid 6467] ioctl(4, LOOP_SET_FD, 3 [pid 6468] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6467] <... ioctl resumed>) = 0 [pid 6466] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6464] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6465] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6464] sync( [pid 6465] sync( [pid 6467] close(3) = 0 [pid 6467] close(4 [pid 6468] <... write resumed>) = 524288 [pid 6467] <... close resumed>) = 0 [pid 6467] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6466] <... mount resumed>) = 0 [pid 6466] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [ 149.288238][ T6467] loop0: detected capacity change from 0 to 1024 [pid 6468] munmap(0x7fa6be400000, 138412032 [pid 6466] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6468] <... munmap resumed>) = 0 [pid 6466] <... chdir resumed>) = 0 [pid 6466] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6468] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6467] <... mkdir resumed>) = 0 [pid 6466] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6465] <... sync resumed>) = 0 [pid 6464] <... sync resumed>) = 0 [pid 6468] <... openat resumed>) = 4 [pid 6468] ioctl(4, LOOP_SET_FD, 3 [pid 6464] exit_group(0 [pid 6467] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6464] <... exit_group resumed>) = ? [pid 6465] exit_group(0 [pid 6464] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6464, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6466] <... mknod resumed>) = 0 [pid 6465] <... exit_group resumed>) = ? [pid 6466] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6465] +++ exited with 0 +++ [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6465, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6467] <... mount resumed>) = 0 [pid 6467] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./119", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6467] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./119", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6467] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 5832] newfstatat(3, "", [pid 6467] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6467] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] getdents64(3, [pid 5832] getdents64(3, [pid 6467] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] <... ioctl resumed>) = 0 [pid 6468] close(3) = 0 [pid 6468] close(4 [pid 6467] <... mknod resumed>) = 0 [pid 6468] <... close resumed>) = 0 [pid 6467] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6468] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6466] <... link resumed>) = -1 ENOSPC (No space left on device) [ 149.360794][ T6468] loop2: detected capacity change from 0 to 1024 [pid 6466] sync( [pid 6468] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6467] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6467] sync( [pid 5832] openat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5833] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5833] newfstatat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(4, [pid 5833] umount2("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(4) = 0 [pid 5833] openat(AT_FDCWD, "./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] rmdir("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 4 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(4, [pid 5832] newfstatat(AT_FDCWD, "./122/binderfs", [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] unlink("./122/binderfs" [pid 5833] rmdir("./119/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./119/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... unlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(3, [pid 6468] <... mount resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./119/binderfs", [pid 6468] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6468] <... openat resumed>) = 3 [pid 5833] unlink("./119/binderfs" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6468] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... unlink resumed>) = 0 [pid 5832] close(3 [pid 5833] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 6468] <... chdir resumed>) = 0 [pid 6467] <... sync resumed>) = 0 [pid 6466] <... sync resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./122" [pid 6468] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6467] exit_group(0 [pid 6466] exit_group(0 [pid 6467] <... exit_group resumed>) = ? [pid 6466] <... exit_group resumed>) = ? [pid 6467] +++ exited with 0 +++ [pid 6466] +++ exited with 0 +++ [pid 5832] <... rmdir resumed>) = 0 [pid 5833] close(3 [pid 5832] mkdir("./123", 0777 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6466, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5833] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6467, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6468] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] rmdir("./119" [pid 5829] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] mkdir("./120", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... mkdir resumed>) = 0 [pid 5830] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(3, "", [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6468] <... mknod resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 6468] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(3, "", [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(3 [pid 5830] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5832] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6470 attached ./strace-static-x86_64: Process 6469 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6470 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6468] sync( [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6469 [pid 6470] set_robust_list(0x555567654760, 24) = 0 [pid 6469] set_robust_list(0x555567654760, 24 [pid 6470] chdir("./120" [pid 6469] <... set_robust_list resumed>) = 0 [pid 6469] chdir("./123" [pid 6470] <... chdir resumed>) = 0 [pid 6469] <... chdir resumed>) = 0 [pid 6469] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6470] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6469] <... prctl resumed>) = 0 [pid 6469] setpgid(0, 0 [pid 6470] setpgid(0, 0) = 0 [pid 6470] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6469] <... setpgid resumed>) = 0 [pid 6469] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6470] <... openat resumed>) = 3 [pid 6470] write(3, "1000", 4 [pid 6469] <... openat resumed>) = 3 [pid 6470] <... write resumed>) = 4 [pid 6470] close(3 [pid 6469] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = 0 [pid 6470] <... close resumed>) = 0 [pid 6469] <... write resumed>) = 4 [pid 6470] symlink("/dev/binderfs", "./binderfs" [pid 6469] close(3 [pid 5829] <... umount2 resumed>) = 0 [pid 6470] <... symlink resumed>) = 0 [pid 6469] <... close resumed>) = 0 [pid 6469] symlink("/dev/binderfs", "./binderfs" [pid 5830] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program ) = -1 EINVAL (Invalid argument) [pid 6469] <... symlink resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6469] write(1, "executing program\n", 18 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] <... write resumed>) = 18 [pid 5830] newfstatat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6470] write(1, "executing program\n", 18 [pid 6469] memfd_create("syzkaller", 0 [pid 6470] <... write resumed>) = 18 [pid 5829] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6468] <... sync resumed>) = 0 [pid 6470] memfd_create("syzkaller", 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6468] exit_group(0 [pid 5830] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6470] <... memfd_create resumed>) = 3 [pid 6469] <... memfd_create resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 4 [pid 6468] <... exit_group resumed>) = ? [pid 6470] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6469] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6468] +++ exited with 0 +++ [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6469] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6468, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6470] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] getdents64(4, [pid 5831] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 5831] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5831] newfstatat(3, "", [pid 5830] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(4 [pid 5830] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./123/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./123/binderfs") = 0 [pid 6470] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... close resumed>) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 5829] rmdir("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6469] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./123" [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./124", 0777) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./126/binderfs", [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6470] <... write resumed>) = 524288 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6469] <... write resumed>) = 524288 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] unlink("./126/binderfs" [pid 5831] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... unlink resumed>) = 0 [pid 6469] munmap(0x7fa6be400000, 138412032 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5831] newfstatat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6469] <... munmap resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./126" [pid 5831] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] mkdir("./127", 0777 [pid 5831] openat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] <... mkdir resumed>) = 0 [pid 6469] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] newfstatat(4, "", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6471 attached [pid 6470] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6471 [pid 5829] <... openat resumed>) = 3 [pid 5831] getdents64(4, [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6470] <... munmap resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] close(4 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6472 attached [pid 6469] <... openat resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 6471] set_robust_list(0x555567654760, 24) = 0 [pid 6471] chdir("./124" [pid 5831] rmdir("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6471] <... chdir resumed>) = 0 [pid 6471] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6471] setpgid(0, 0) = 0 [pid 6471] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6470] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... rmdir resumed>) = 0 [pid 6471] <... openat resumed>) = 3 executing program [pid 6472] set_robust_list(0x555567654760, 24 [pid 6471] write(3, "1000", 4 [pid 6470] <... openat resumed>) = 4 [pid 6469] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6472 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6471] <... write resumed>) = 4 [pid 6471] close(3) = 0 [pid 6471] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6471] write(1, "executing program\n", 18) = 18 [pid 6471] memfd_create("syzkaller", 0 [pid 6469] <... ioctl resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./122/binderfs", [pid 6471] <... memfd_create resumed>) = 3 [pid 6471] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6472] <... set_robust_list resumed>) = 0 [pid 6471] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6470] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6472] chdir("./127" [pid 6470] <... ioctl resumed>) = 0 [pid 6469] close(3 [pid 5831] unlink("./122/binderfs") = 0 [pid 6472] <... chdir resumed>) = 0 [pid 6469] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 6472] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6470] close(3 [pid 6469] close(4 [pid 6472] <... prctl resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6472] setpgid(0, 0 [pid 6470] <... close resumed>) = 0 [pid 6469] <... close resumed>) = 0 [pid 5831] close(3 [pid 6472] <... setpgid resumed>) = 0 [pid 6470] close(4 [pid 6469] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... close resumed>) = 0 [pid 6472] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6470] <... close resumed>) = 0 [pid 6469] <... mkdir resumed>) = 0 [pid 5831] rmdir("./122" [pid 6472] <... openat resumed>) = 3 [pid 6470] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6469] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./123", 0777 [pid 6470] <... mkdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6470] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6469] <... mount resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6469] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6471] <... write resumed>) = 524288 [pid 6469] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6472] write(3, "1000", 4 [pid 6469] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... ioctl resumed>) = 0 executing program [pid 6472] <... write resumed>) = 4 [pid 6470] <... mount resumed>) = 0 [pid 6469] <... chdir resumed>) = 0 [pid 5831] close(3 [pid 6472] close(3 [pid 6470] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6469] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6472] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6469] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6472] symlink("/dev/binderfs", "./binderfs" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6471] munmap(0x7fa6be400000, 138412032 [pid 6472] <... symlink resumed>) = 0 [pid 6471] <... munmap resumed>) = 0 [pid 6471] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6471] ioctl(4, LOOP_SET_FD, 3 [pid 6472] write(1, "executing program\n", 18 [pid 6470] <... openat resumed>) = 3 [pid 6469] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6472] <... write resumed>) = 18 ./strace-static-x86_64: Process 6473 attached [ 149.758760][ T6469] loop3: detected capacity change from 0 to 1024 [ 149.772983][ T6470] loop4: detected capacity change from 0 to 1024 [pid 6473] set_robust_list(0x555567654760, 24) = 0 [pid 6472] memfd_create("syzkaller", 0 [pid 6470] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6469] <... mknod resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6473 [pid 6472] <... memfd_create resumed>) = 3 [pid 6469] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6473] chdir("./123" [pid 6471] <... ioctl resumed>) = 0 [pid 6470] <... chdir resumed>) = 0 [pid 6473] <... chdir resumed>) = 0 [pid 6472] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6471] close(3 [pid 6470] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6472] <... mmap resumed>) = 0x7fa6be400000 [pid 6471] <... close resumed>) = 0 [pid 6471] close(4) = 0 [pid 6471] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6473] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6470] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6471] <... mkdir resumed>) = 0 [pid 6473] <... prctl resumed>) = 0 [pid 6473] setpgid(0, 0) = 0 [pid 6473] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6471] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6473] write(3, "1000", 4) = 4 [pid 6473] close(3) = 0 [pid 6470] <... mknod resumed>) = 0 [pid 6473] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6470] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6472] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6469] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6473] write(1, "executing program\n", 18) = 18 [pid 6473] memfd_create("syzkaller", 0 [pid 6471] <... mount resumed>) = 0 [pid 6469] sync( [pid 6471] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6473] <... memfd_create resumed>) = 3 [pid 6471] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6472] <... write resumed>) = 524288 [ 149.830318][ T6471] loop1: detected capacity change from 0 to 1024 [pid 6471] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6473] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6471] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6471] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6473] <... mmap resumed>) = 0x7fa6be400000 [pid 6470] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6473] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6470] sync( [pid 6472] munmap(0x7fa6be400000, 138412032) = 0 [pid 6471] <... mknod resumed>) = 0 [pid 6472] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6471] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6472] <... openat resumed>) = 4 [pid 6472] ioctl(4, LOOP_SET_FD, 3 [pid 6473] <... write resumed>) = 524288 [pid 6473] munmap(0x7fa6be400000, 138412032 [pid 6471] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6471] sync( [pid 6473] <... munmap resumed>) = 0 [pid 6473] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6470] <... sync resumed>) = 0 [pid 6469] <... sync resumed>) = 0 [pid 6473] ioctl(4, LOOP_SET_FD, 3 [pid 6469] exit_group(0 [pid 6470] exit_group(0 [pid 6469] <... exit_group resumed>) = ? [pid 6472] <... ioctl resumed>) = 0 [pid 6472] close(3) = 0 [pid 6472] close(4) = 0 [pid 6472] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6470] <... exit_group resumed>) = ? [pid 6469] +++ exited with 0 +++ [pid 6471] <... sync resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6469, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6471] exit_group(0 [pid 6470] +++ exited with 0 +++ [pid 6472] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6470, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6471] <... exit_group resumed>) = ? [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6473] close(3 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6473] <... close resumed>) = 0 [pid 6471] +++ exited with 0 +++ [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(3, [pid 6473] close(4 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6471, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6473] <... close resumed>) = 0 [pid 6473] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./120", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6473] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./120", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6473] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 149.935400][ T6472] loop0: detected capacity change from 0 to 1024 [ 149.958294][ T6473] loop2: detected capacity change from 0 to 1024 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5830] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] <... mount resumed>) = 0 [pid 6473] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6472] <... mount resumed>) = 0 [pid 6473] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6473] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6472] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6473] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6473] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6472] <... openat resumed>) = 3 [pid 6472] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6472] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6472] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... umount2 resumed>) = 0 [pid 6473] <... mknod resumed>) = 0 [pid 6473] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 5832] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6473] sync( [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6472] <... mknod resumed>) = 0 [pid 5832] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6472] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 4 [pid 5830] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] umount2("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5830] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 4 [pid 5832] getdents64(4, [pid 5830] openat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6472] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6472] sync( [pid 5830] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(4) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] rmdir("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(4, "", [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5830] getdents64(4, [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5832] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("./120/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(4, [pid 5832] newfstatat(AT_FDCWD, "./123/binderfs", [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] unlink("./123/binderfs" [pid 5830] close(4) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] rmdir("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] umount2("./120/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./120/binderfs", [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./123" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./120/binderfs" [pid 5832] <... rmdir resumed>) = 0 [pid 5830] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 6473] <... sync resumed>) = 0 [pid 6472] <... sync resumed>) = 0 [pid 6473] exit_group(0 [pid 5833] getdents64(3, [pid 5832] mkdir("./124", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6473] <... exit_group resumed>) = ? [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6473] +++ exited with 0 +++ [pid 6472] exit_group(0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./124/binderfs", [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] close(3 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6473, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6472] <... exit_group resumed>) = ? [pid 6472] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6472, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] unlink("./124/binderfs" [pid 5833] <... close resumed>) = 0 [pid 5832] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5833] rmdir("./120" [pid 5831] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] mkdir("./121", 0777 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] close(3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5833] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6474 attached [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6474 [pid 5831] newfstatat(3, "", [pid 5830] rmdir("./124" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6474] set_robust_list(0x555567654760, 24 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6474] <... set_robust_list resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, [pid 5831] getdents64(3, [pid 6474] chdir("./124" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] mkdir("./125", 0777 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6474] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6474] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6475 attached [pid 5829] <... umount2 resumed>) = 0 [pid 6475] set_robust_list(0x555567654760, 24) = 0 [pid 6474] <... prctl resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6475 [pid 6475] chdir("./125" [pid 6474] setpgid(0, 0 [pid 5833] <... close resumed>) = 0 [pid 5829] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6475] <... chdir resumed>) = 0 [pid 6475] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6474] <... setpgid resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6476 attached [pid 6475] <... prctl resumed>) = 0 [pid 6474] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... umount2 resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6476 [pid 6475] setpgid(0, 0 [pid 5831] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6474] <... openat resumed>) = 3 [pid 6475] <... setpgid resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6474] write(3, "1000", 4 [pid 6476] set_robust_list(0x555567654760, 24 [pid 6475] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6474] <... write resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6476] <... set_robust_list resumed>) = 0 [pid 6474] close(3executing program [pid 6476] chdir("./121" [pid 6475] <... openat resumed>) = 3 [pid 6474] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6476] <... chdir resumed>) = 0 [pid 6474] symlink("/dev/binderfs", "./binderfs" [pid 6475] write(3, "1000", 4 [pid 5831] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 6476] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6475] <... write resumed>) = 4 [pid 6474] <... symlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(4, "", [pid 6476] <... prctl resumed>) = 0 [pid 6474] write(1, "executing program\n", 18) = 18 [pid 6476] setpgid(0, 0 [pid 5831] openat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6474] memfd_create("syzkaller", 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6475] close(3 [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 6475] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6475] symlink("/dev/binderfs", "./binderfs" [pid 5831] getdents64(4, [pid 6475] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, executing program [pid 6475] write(1, "executing program\n", 18 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6475] <... write resumed>) = 18 [pid 5831] close(4 [pid 6475] memfd_create("syzkaller", 0 [pid 5831] <... close resumed>) = 0 [pid 6476] <... setpgid resumed>) = 0 [pid 6474] <... memfd_create resumed>) = 3 [pid 5831] rmdir("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] getdents64(4, [pid 6474] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6476] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6475] <... memfd_create resumed>) = 3 [pid 6474] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6476] write(3, "1000", 4 [pid 6475] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6476] <... write resumed>) = 4 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6476] close(3) = 0 [pid 6475] <... mmap resumed>) = 0x7fa6be400000 [pid 6474] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6476] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6475] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6476] write(1, "executing program\n", 18executing program [pid 5831] newfstatat(AT_FDCWD, "./123/binderfs", [pid 6476] <... write resumed>) = 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6476] memfd_create("syzkaller", 0 [pid 5831] unlink("./123/binderfs" [pid 5829] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./127/binderfs", [pid 6476] <... memfd_create resumed>) = 3 [pid 6476] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6476] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] close(3 [pid 5829] unlink("./127/binderfs" [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./123") = 0 [pid 5831] mkdir("./124", 0777 [pid 5829] <... unlink resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] rmdir("./127" [pid 5831] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] mkdir("./128", 0777 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6477 attached [pid 6476] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6474] <... write resumed>) = 524288 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6477] set_robust_list(0x555567654760, 24) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6477] chdir("./124" [pid 6475] <... write resumed>) = 524288 [pid 6474] munmap(0x7fa6be400000, 138412032 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6477 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6477] <... chdir resumed>) = 0 [pid 6477] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] <... write resumed>) = 524288 [pid 6474] <... munmap resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6475] munmap(0x7fa6be400000, 138412032 [pid 6477] <... prctl resumed>) = 0 [pid 5829] close(3 [pid 6474] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6477] setpgid(0, 0 [pid 6475] <... munmap resumed>) = 0 [pid 6475] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6475] ioctl(4, LOOP_SET_FD, 3 [pid 6477] <... setpgid resumed>) = 0 [pid 6474] <... openat resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6477] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6476] munmap(0x7fa6be400000, 138412032 [pid 6474] ioctl(4, LOOP_SET_FD, 3 [pid 6475] <... ioctl resumed>) = 0 [pid 6477] <... openat resumed>) = 3 [pid 6476] <... munmap resumed>) = 0 [pid 6474] <... ioctl resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6477] write(3, "1000", 4 [pid 6476] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6474] close(3 [pid 6476] <... openat resumed>) = 4 [pid 6476] ioctl(4, LOOP_SET_FD, 3 [pid 6475] close(3) = 0 [pid 6475] close(4) = 0 [pid 6475] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6475] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""./strace-static-x86_64: Process 6478 attached [pid 6477] <... write resumed>) = 4 [pid 6478] set_robust_list(0x555567654760, 24 [pid 6477] close(3 [pid 6474] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6478 [pid 6477] <... close resumed>) = 0 [pid 6474] close(4 [pid 6477] symlink("/dev/binderfs", "./binderfs" [pid 6474] <... close resumed>) = 0 [pid 6477] <... symlink resumed>) = 0 [pid 6474] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6477] write(1, "executing program\n", 18executing program ) = 18 [pid 6474] <... mkdir resumed>) = 0 [pid 6478] <... set_robust_list resumed>) = 0 [pid 6477] memfd_create("syzkaller", 0 [pid 6474] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6478] chdir("./128" [pid 6477] <... memfd_create resumed>) = 3 [pid 6475] <... mount resumed>) = 0 [pid 6475] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6477] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6476] <... ioctl resumed>) = 0 [pid 6475] <... openat resumed>) = 3 [pid 6478] <... chdir resumed>) = 0 [pid 6477] <... mmap resumed>) = 0x7fa6be400000 [pid 6476] close(3 [pid 6478] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6476] <... close resumed>) = 0 [pid 6475] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6478] <... prctl resumed>) = 0 [pid 6476] close(4 [pid 6478] setpgid(0, 0 [pid 6476] <... close resumed>) = 0 [pid 6476] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6478] <... setpgid resumed>) = 0 [pid 6475] <... chdir resumed>) = 0 [pid 6478] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6475] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6478] <... openat resumed>) = 3 [pid 6477] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6476] <... mkdir resumed>) = 0 [pid 6475] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6478] write(3, "1000", 4 [pid 6475] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6478] <... write resumed>) = 4 [pid 6477] <... write resumed>) = 524288 [pid 6476] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6478] close(3 [pid 6477] munmap(0x7fa6be400000, 138412032 [pid 6478] <... close resumed>) = 0 [pid 6475] <... mknod resumed>) = 0 [pid 6478] symlink("/dev/binderfs", "./binderfs" [pid 6475] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6478] <... symlink resumed>) = 0 [pid 6477] <... munmap resumed>) = 0 [pid 6478] write(1, "executing program\n", 18 [pid 6474] <... mount resumed>) = 0 [pid 6478] <... write resumed>) = 18 [pid 6477] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6474] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6478] memfd_create("syzkaller", 0) = 3 [pid 6478] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6477] <... openat resumed>) = 4 [pid 6474] <... openat resumed>) = 3 [ 150.382618][ T6475] loop1: detected capacity change from 0 to 1024 [ 150.400750][ T6474] loop3: detected capacity change from 0 to 1024 [ 150.415955][ T6476] loop4: detected capacity change from 0 to 1024 [pid 6478] <... mmap resumed>) = 0x7fa6be400000 [pid 6477] ioctl(4, LOOP_SET_FD, 3 [pid 6474] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6475] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6475] sync( [pid 6474] <... chdir resumed>) = 0 [pid 6478] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6477] <... ioctl resumed>) = 0 [pid 6474] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6478] <... write resumed>) = 524288 [pid 6477] close(3 [pid 6476] <... mount resumed>) = 0 [pid 6474] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6476] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6476] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6476] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6477] <... close resumed>) = 0 [pid 6476] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6476] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6477] close(4) = 0 [pid 6477] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6476] <... mknod resumed>) = 0 [pid 6476] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6478] munmap(0x7fa6be400000, 138412032 [pid 6477] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6474] <... mknod resumed>) = 0 [pid 6478] <... munmap resumed>) = 0 [ 150.454654][ T6477] loop2: detected capacity change from 0 to 1024 [pid 6474] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6478] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6476] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6478] <... openat resumed>) = 4 [pid 6477] <... mount resumed>) = 0 [pid 6476] sync( [pid 6478] ioctl(4, LOOP_SET_FD, 3 [pid 6477] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6475] <... sync resumed>) = 0 [pid 6474] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6475] exit_group(0) = ? [pid 6475] +++ exited with 0 +++ [pid 6477] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6474] sync( [pid 6478] <... ioctl resumed>) = 0 [pid 6477] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6475, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6478] close(3 [pid 6477] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6478] <... close resumed>) = 0 [pid 6477] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6478] close(4 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6478] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6478] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6477] <... mknod resumed>) = 0 [pid 6478] <... mkdir resumed>) = 0 [pid 5830] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6477] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6478] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6474] <... sync resumed>) = 0 [pid 6477] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6476] <... sync resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6477] sync( [pid 6476] exit_group(0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 150.548276][ T6478] loop0: detected capacity change from 0 to 1024 [pid 6476] <... exit_group resumed>) = ? [pid 5830] newfstatat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6476] +++ exited with 0 +++ [pid 6474] exit_group(0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6474] <... exit_group resumed>) = ? [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6476, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6474] +++ exited with 0 +++ [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6474, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... openat resumed>) = 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5833] umount2("./121", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6478] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6478] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./121", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6478] <... openat resumed>) = 3 [pid 6477] <... sync resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5830] getdents64(4, [pid 6478] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6477] exit_group(0 [pid 5833] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6478] <... chdir resumed>) = 0 [pid 6477] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] rmdir("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6478] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6477] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5832] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 6478] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6477, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6478] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] newfstatat(AT_FDCWD, "./125/binderfs", [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./125/binderfs" [pid 6478] <... mknod resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5832] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] rmdir("./125" [pid 6478] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5831] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6478] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] mkdir("./126", 0777 [pid 6478] sync( [pid 5833] newfstatat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] openat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(4, "", [pid 5831] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", [pid 5830] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5833] openat(AT_FDCWD, "./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... openat resumed>) = 4 [pid 5832] getdents64(4, [pid 5831] getdents64(4, [pid 5830] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(4, "", [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] close(4 [pid 5831] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5833] getdents64(4, [pid 5831] close(4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... close resumed>) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] rmdir("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(4) = 0 [pid 5832] rmdir("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 5833] rmdir("./121/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./124/binderfs", [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./124/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./124/binderfs", [pid 5831] close(3 [pid 6478] <... sync resumed>) = 0 [pid 5833] umount2("./121/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6478] exit_group(0 [pid 5833] newfstatat(AT_FDCWD, "./121/binderfs", [pid 5832] unlink("./124/binderfs" [pid 5831] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] rmdir("./124" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./125", 0777 [pid 5833] unlink("./121/binderfs" [pid 5832] getdents64(3, [pid 5831] <... mkdir resumed>) = 0 [pid 6478] <... exit_group resumed>) = ? [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6479 [pid 5833] getdents64(3, [pid 5832] close(3./strace-static-x86_64: Process 6479 attached [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./124" [pid 5833] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5833] rmdir("./121" [pid 5832] <... rmdir resumed>) = 0 [pid 6479] set_robust_list(0x555567654760, 24 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] mkdir("./125", 0777 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 6479] <... set_robust_list resumed>) = 0 [pid 6479] chdir("./126" [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6479] <... chdir resumed>) = 0 [pid 6479] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6480 attached ) = 0 [pid 6479] setpgid(0, 0) = 0 [pid 6479] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6478] +++ exited with 0 +++ [pid 5833] mkdir("./122", 0777 [pid 5832] <... mkdir resumed>) = 0 [pid 6480] set_robust_list(0x555567654760, 24 [pid 6479] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6480 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6478, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6479] write(3, "1000", 4 [pid 5832] <... openat resumed>) = 3 [pid 6480] <... set_robust_list resumed>) = 0 [pid 6479] <... write resumed>) = 4 [pid 6480] chdir("./125" [pid 6479] close(3 [pid 5829] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6480] <... chdir resumed>) = 0 [pid 6479] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6480] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6479] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... ioctl resumed>) = 0 executing program [pid 5829] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5832] close(3 [pid 5829] newfstatat(3, "", [pid 5833] <... close resumed>) = 0 [pid 6480] <... prctl resumed>) = 0 [pid 6479] <... symlink resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6480] setpgid(0, 0 [pid 6479] write(1, "executing program\n", 18 [pid 6480] <... setpgid resumed>) = 0 [pid 6479] <... write resumed>) = 18 ./strace-static-x86_64: Process 6481 attached [pid 6480] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6479] memfd_create("syzkaller", 0 [pid 5829] getdents64(3, [pid 6481] set_robust_list(0x555567654760, 24) = 0 [pid 6480] <... openat resumed>) = 3 [pid 6479] <... memfd_create resumed>) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6481 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6480] write(3, "1000", 4 [pid 6479] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6481] chdir("./122" [pid 5829] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6480] <... write resumed>) = 4 [pid 6479] <... mmap resumed>) = 0x7fa6be400000 executing program [pid 6480] close(3 [pid 6479] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6480] <... close resumed>) = 0 [pid 6480] symlink("/dev/binderfs", "./binderfs" [pid 6481] <... chdir resumed>) = 0 [pid 6481] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6480] <... symlink resumed>) = 0 [pid 6481] setpgid(0, 0 [pid 6480] write(1, "executing program\n", 18) = 18 [pid 6480] memfd_create("syzkaller", 0) = 3 [pid 6480] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6481] <... setpgid resumed>) = 0 [pid 6481] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6481] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6481] write(3, "1000", 4) = 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6480] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6482 attached [pid 6481] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6479] <... write resumed>) = 524288 [pid 6482] set_robust_list(0x555567654760, 24 [pid 6481] <... close resumed>) = 0 [pid 6480] <... write resumed>) = 524288 [pid 5829] openat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6482] <... set_robust_list resumed>) = 0 [pid 6481] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6482 [pid 6482] chdir("./125" [pid 6479] munmap(0x7fa6be400000, 138412032executing program [pid 6482] <... chdir resumed>) = 0 [pid 6481] <... symlink resumed>) = 0 [pid 6479] <... munmap resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6482] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6481] write(1, "executing program\n", 18 [pid 5829] newfstatat(4, "", [pid 6482] <... prctl resumed>) = 0 [pid 6481] <... write resumed>) = 18 [pid 6482] setpgid(0, 0 [pid 6479] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6482] <... setpgid resumed>) = 0 [pid 6481] memfd_create("syzkaller", 0 [pid 6479] <... openat resumed>) = 4 [pid 5829] getdents64(4, [pid 6482] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6481] <... memfd_create resumed>) = 3 [pid 6479] ioctl(4, LOOP_SET_FD, 3 [pid 6482] <... openat resumed>) = 3 [pid 6481] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6482] write(3, "1000", 4 [pid 6481] <... mmap resumed>) = 0x7fa6be400000 [pid 6482] <... write resumed>) = 4 [pid 5829] getdents64(4, [pid 6482] close(3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6482] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6482] symlink("/dev/binderfs", "./binderfs" [pid 5829] rmdir("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6482] <... symlink resumed>) = 0 [pid 6480] munmap(0x7fa6be400000, 138412032) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6480] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6480] ioctl(4, LOOP_CLR_FD) = 0 [pid 6479] <... ioctl resumed>) = 0 [pid 6479] close(3 [pid 6480] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6479] <... close resumed>) = 0 [pid 6480] close(4 [pid 6479] close(4 [pid 6480] <... close resumed>) = 0 [pid 6480] close(3executing program [pid 6482] write(1, "executing program\n", 18 [pid 6479] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6482] <... write resumed>) = 18 [pid 6479] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6482] memfd_create("syzkaller", 0 [pid 6481] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6479] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./128/binderfs", [pid 6482] <... memfd_create resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6482] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] unlink("./128/binderfs" [pid 6482] <... mmap resumed>) = 0x7fa6be400000 [pid 6480] <... close resumed>) = 0 [pid 6479] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6480] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6480] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6482] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] close(3 [pid 6480] sync( [pid 5829] <... close resumed>) = 0 [ 150.856521][ T6479] loop1: detected capacity change from 0 to 1024 [pid 5829] rmdir("./128") = 0 [pid 6479] <... mount resumed>) = 0 [pid 6479] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6479] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6479] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6481] <... write resumed>) = 524288 [pid 5829] mkdir("./129", 0777 [pid 6479] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... mkdir resumed>) = 0 [pid 6481] munmap(0x7fa6be400000, 138412032) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6481] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6481] <... openat resumed>) = 4 [pid 5829] close(3 [pid 6479] <... mknod resumed>) = 0 [pid 6481] ioctl(4, LOOP_SET_FD, 3 [pid 6479] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6479] sync( [pid 6480] <... sync resumed>) = 0 [pid 6480] exit_group(0) = ? [pid 6480] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6480, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6482] <... write resumed>) = 524288 [pid 6481] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6481] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6481] <... close resumed>) = 0 [pid 5831] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./125/binderfs", ./strace-static-x86_64: Process 6483 attached [pid 6481] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6481] <... close resumed>) = 0 [pid 5831] unlink("./125/binderfs" [pid 6481] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6483 [pid 6483] set_robust_list(0x555567654760, 24 [pid 6482] munmap(0x7fa6be400000, 138412032 [pid 6481] <... mkdir resumed>) = 0 [pid 6479] <... sync resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6481] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6483] <... set_robust_list resumed>) = 0 [pid 6482] <... munmap resumed>) = 0 [pid 6479] exit_group(0 [ 150.931428][ T6481] loop4: detected capacity change from 0 to 1024 [pid 5831] getdents64(3, [pid 6483] chdir("./129" [pid 6479] <... exit_group resumed>) = ? [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6479] +++ exited with 0 +++ [pid 5831] close(3 [pid 6483] <... chdir resumed>) = 0 [pid 6482] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6479, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6483] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6482] <... openat resumed>) = 4 [pid 5831] rmdir("./125" [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6483] <... prctl resumed>) = 0 [pid 6482] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... rmdir resumed>) = 0 [pid 6483] setpgid(0, 0 [pid 6481] <... mount resumed>) = 0 [pid 5831] mkdir("./126", 0777 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6481] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6483] <... setpgid resumed>) = 0 [pid 6481] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6483] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6483] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6481] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6483] write(3, "1000", 4 [pid 5830] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6481] <... chdir resumed>) = 0 [pid 6483] <... write resumed>) = 4 [pid 6481] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] close(3 [pid 5830] <... openat resumed>) = 3 [pid 6483] close(3 [pid 6481] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6483] <... close resumed>) = 0 [pid 6481] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6483] symlink("/dev/binderfs", "./binderfs" [pid 5830] getdents64(3, ./strace-static-x86_64: Process 6484 attached [pid 6483] <... symlink resumed>) = 0 [pid 6481] <... mknod resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6484] set_robust_list(0x555567654760, 24 [pid 5830] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6484] <... set_robust_list resumed>) = 0 executing program [pid 6483] write(1, "executing program\n", 18 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6484 [pid 6484] chdir("./126" [pid 6481] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6483] <... write resumed>) = 18 [pid 6483] memfd_create("syzkaller", 0) = 3 [pid 6484] <... chdir resumed>) = 0 [pid 6483] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6484] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6483] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6481] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6484] <... prctl resumed>) = 0 [pid 6481] sync( [ 150.996456][ T6482] loop3: detected capacity change from 0 to 1024 [pid 6484] setpgid(0, 0 [pid 6482] <... ioctl resumed>) = 0 [pid 6484] <... setpgid resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6482] close(3) = 0 [pid 6482] close(4) = 0 [pid 6482] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6482] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6484] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6482] <... mount resumed>) = 0 [pid 5830] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6482] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6484] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6484] write(3, "1000", 4) = 4 [pid 6482] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6484] close(3 [pid 5830] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6484] <... close resumed>) = 0 [pid 6482] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6484] symlink("/dev/binderfs", "./binderfs" [pid 6482] <... chdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6484] <... symlink resumed>) = 0 [pid 6483] <... write resumed>) = 524288 [pid 6482] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6481] <... sync resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6484] write(1, "executing program\n", 18 [pid 5830] newfstatat(4, "", [pid 6484] <... write resumed>) = 18 [pid 6484] memfd_create("syzkaller", 0 [pid 6482] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6482] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6482] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6484] <... memfd_create resumed>) = 3 [pid 6481] exit_group(0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6483] munmap(0x7fa6be400000, 138412032) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6484] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6481] <... exit_group resumed>) = ? [pid 5830] close(4 [pid 6484] <... mmap resumed>) = 0x7fa6be400000 [pid 6482] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6483] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6481] +++ exited with 0 +++ [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6481, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 6482] sync( [pid 6483] <... openat resumed>) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 5833] umount2("./122", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6483] ioctl(4, LOOP_SET_FD, 3 [pid 5833] openat(AT_FDCWD, "./122", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6484] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6483] <... ioctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./126/binderfs", [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(3, [pid 5830] unlink("./126/binderfs" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6482] <... sync resumed>) = 0 [pid 5833] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 6482] exit_group(0 [pid 5830] rmdir("./126" [pid 6482] <... exit_group resumed>) = ? [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./127", 0777) = 0 [pid 6483] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6483] <... close resumed>) = 0 [pid 6482] +++ exited with 0 +++ [pid 5830] <... openat resumed>) = 3 [pid 6483] close(4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6482, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6484] <... write resumed>) = 524288 [pid 6483] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6483] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3) = 0 [pid 6484] munmap(0x7fa6be400000, 138412032 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6483] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6484] <... munmap resumed>) = 0 ./strace-static-x86_64: Process 6485 attached [pid 6484] openat(AT_FDCWD, "/dev/loop2", O_RDWR [ 151.110000][ T6483] loop0: detected capacity change from 0 to 1024 [pid 5833] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6484] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6484] ioctl(4, LOOP_SET_FD, 3 [pid 5833] newfstatat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6485] set_robust_list(0x555567654760, 24 [pid 6483] <... mount resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6485 [pid 6483] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6483] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6483] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6485] <... set_robust_list resumed>) = 0 [pid 6483] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6485] chdir("./127" [pid 5833] umount2("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6485] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6485] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6485] setpgid(0, 0 [pid 5833] <... openat resumed>) = 4 [pid 6485] <... setpgid resumed>) = 0 [pid 6483] <... mknod resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 6485] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5832] getdents64(3, [pid 6485] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6483] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(4, [pid 5832] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6485] write(3, "1000", 4 [pid 6484] <... ioctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6485] <... write resumed>) = 4 executing program [pid 6485] close(3 [pid 6484] close(3 [pid 5833] close(4 [pid 6485] <... close resumed>) = 0 [pid 6485] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6484] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6485] write(1, "executing program\n", 18 [pid 6484] close(4 [pid 6483] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./122/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = 0 [pid 6484] <... close resumed>) = 0 [pid 6485] <... write resumed>) = 18 [pid 6485] memfd_create("syzkaller", 0 [pid 6484] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6483] sync( [pid 5833] <... rmdir resumed>) = 0 [pid 6485] <... memfd_create resumed>) = 3 [pid 6485] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6484] <... mkdir resumed>) = 0 [pid 5833] umount2("./122/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./122/binderfs", [pid 6484] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./122/binderfs" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 6485] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] getdents64(3, [ 151.160907][ T6484] loop2: detected capacity change from 0 to 1024 [pid 5832] newfstatat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] close(3 [pid 5832] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] rmdir("./122") = 0 [pid 5832] openat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] mkdir("./123", 0777 [pid 5832] newfstatat(4, "", [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] rmdir("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6485] <... write resumed>) = 524288 [pid 6484] <... mount resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6483] <... sync resumed>) = 0 [pid 6484] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6483] exit_group(0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 6485] munmap(0x7fa6be400000, 138412032 [pid 6484] <... openat resumed>) = 3 [pid 6483] <... exit_group resumed>) = ? [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./125/binderfs", [pid 6484] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6485] <... munmap resumed>) = 0 [pid 5832] unlink("./125/binderfs"./strace-static-x86_64: Process 6486 attached [pid 6484] <... chdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6485] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6484] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] getdents64(3, [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6486 [pid 6486] set_robust_list(0x555567654760, 24) = 0 [pid 6485] <... openat resumed>) = 4 [pid 6484] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6483] +++ exited with 0 +++ [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6484] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6486] chdir("./123" [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6483, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6485] ioctl(4, LOOP_SET_FD, 3 [pid 6486] <... chdir resumed>) = 0 [pid 5832] close(3 [pid 6486] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6484] <... mknod resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... prctl resumed>) = 0 [pid 6484] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] rmdir("./125" [pid 6486] setpgid(0, 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] <... setpgid resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] mkdir("./126", 0777 [pid 5829] <... openat resumed>) = 3 [pid 6486] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... mkdir resumed>) = 0 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6486] <... openat resumed>) = 3 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] write(3, "1000", 4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6486] <... write resumed>) = 4 [pid 5832] <... openat resumed>) = 3 [pid 6486] close(3) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6486] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6484] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... close resumed>) = 0 executing program [pid 6486] write(1, "executing program\n", 18 [pid 6484] sync( [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6486] <... write resumed>) = 18 [pid 6485] <... ioctl resumed>) = 0 [pid 6485] close(3) = 0 [pid 6485] close(4 [pid 6486] memfd_create("syzkaller", 0 [pid 6485] <... close resumed>) = 0 ./strace-static-x86_64: Process 6487 attached [pid 6486] <... memfd_create resumed>) = 3 [pid 6485] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6487] set_robust_list(0x555567654760, 24 [pid 6485] <... mkdir resumed>) = 0 [pid 6487] <... set_robust_list resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6487] chdir("./126" [pid 6485] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6487] <... chdir resumed>) = 0 [pid 6487] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6486] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6487] <... prctl resumed>) = 0 [pid 6487] setpgid(0, 0) = 0 [pid 6487] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6486] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6487 [pid 6487] <... openat resumed>) = 3 [ 151.279450][ T6485] loop1: detected capacity change from 0 to 1024 [pid 5829] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6487] write(3, "1000", 4) = 4 [pid 6487] close(3) = 0 [pid 6487] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5829] newfstatat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6487] write(1, "executing program\n", 18 [pid 6486] <... write resumed>) = 524288 executing program [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6487] <... write resumed>) = 18 [pid 6486] munmap(0x7fa6be400000, 138412032 [pid 5829] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6487] memfd_create("syzkaller", 0 [pid 6486] <... munmap resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6487] <... memfd_create resumed>) = 3 [pid 6486] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] openat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6487] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6486] <... openat resumed>) = 4 [pid 6487] <... mmap resumed>) = 0x7fa6be400000 [pid 6486] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... openat resumed>) = 4 [pid 6487] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6486] <... ioctl resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6487] <... write resumed>) = 524288 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6485] <... mount resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6485] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] rmdir("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6485] <... openat resumed>) = 3 [pid 6485] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6486] close(3 [pid 6485] <... chdir resumed>) = 0 [pid 6484] <... sync resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6486] <... close resumed>) = 0 [pid 6486] close(4 [pid 5829] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6486] <... close resumed>) = 0 [pid 6484] exit_group(0 [pid 6487] munmap(0x7fa6be400000, 138412032 [pid 6486] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6484] <... exit_group resumed>) = ? [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6486] <... mkdir resumed>) = 0 [pid 6485] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6484] +++ exited with 0 +++ [pid 5829] newfstatat(AT_FDCWD, "./129/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6485] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] unlink("./129/binderfs" [pid 6487] <... munmap resumed>) = 0 [pid 6485] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6484, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6487] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6486] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... unlink resumed>) = 0 [ 151.368425][ T6486] loop4: detected capacity change from 0 to 1024 [pid 6487] <... openat resumed>) = 4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6485] <... mknod resumed>) = 0 [pid 5829] close(3 [pid 5831] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6487] ioctl(4, LOOP_SET_FD, 3 [pid 6485] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./129" [pid 5831] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6487] <... ioctl resumed>) = 0 [pid 6486] <... mount resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6487] close(3 [pid 6486] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6487] <... close resumed>) = 0 [pid 6486] <... openat resumed>) = 3 [pid 6487] close(4) = 0 [pid 6487] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6485] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6485] sync( [pid 6487] <... mkdir resumed>) = 0 [pid 6486] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] mkdir("./130", 0777 [pid 6486] <... chdir resumed>) = 0 [pid 6487] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6486] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... mkdir resumed>) = 0 [pid 6486] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6486] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... umount2 resumed>) = 0 [pid 6486] <... mknod resumed>) = 0 [pid 5831] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6486] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6487] <... mount resumed>) = 0 [pid 5831] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6487] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6487] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 6487] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... openat resumed>) = 3 [pid 6487] <... chdir resumed>) = 0 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6487] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(4, [pid 6487] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6486] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6487] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6486] sync( [pid 5831] getdents64(4, [pid 5829] <... ioctl resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4 [pid 5829] close(3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6485] <... sync resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [ 151.429060][ T6487] loop3: detected capacity change from 0 to 1024 [pid 6485] exit_group(0 [pid 5831] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6485] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6487] <... mknod resumed>) = 0 [pid 6485] +++ exited with 0 +++ [pid 5831] newfstatat(AT_FDCWD, "./126/binderfs", [pid 6487] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6485, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./126/binderfs" [pid 5830] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] getdents64(3, [pid 5830] newfstatat(3, "", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] close(3 [pid 5830] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 6487] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6487] sync(./strace-static-x86_64: Process 6488 attached [pid 6488] set_robust_list(0x555567654760, 24) = 0 [pid 6488] chdir("./130") = 0 [pid 6488] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6488] setpgid(0, 0) = 0 [pid 6487] <... sync resumed>) = 0 [pid 6487] exit_group(0) = ? [pid 6488] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6487] +++ exited with 0 +++ [pid 6488] <... openat resumed>) = 3 [pid 6488] write(3, "1000", 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6487, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6488] <... write resumed>) = 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6488] close(3) = 0 [pid 6488] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6486] <... sync resumed>) = 0 [pid 5831] rmdir("./126" [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6488 executing program [pid 6488] write(1, "executing program\n", 18) = 18 [pid 6488] memfd_create("syzkaller", 0) = 3 [pid 6488] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 6486] exit_group(0 [pid 5832] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6486] <... exit_group resumed>) = ? [pid 5832] <... openat resumed>) = 3 [pid 5831] mkdir("./127", 0777 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... mkdir resumed>) = 0 [pid 5832] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6486] +++ exited with 0 +++ [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6486, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] umount2("./123", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6489 attached ) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./123", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6489 [pid 6489] set_robust_list(0x555567654760, 24) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6489] chdir("./127" [pid 5833] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6489] <... chdir resumed>) = 0 [pid 6489] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6489] setpgid(0, 0) = 0 [pid 6489] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6489] write(3, "1000", 4) = 4 [pid 6489] close(3) = 0 [pid 6488] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6489] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... umount2 resumed>) = 0 [pid 6489] <... symlink resumed>) = 0 [pid 6488] <... write resumed>) = 524288 executing program [pid 6489] write(1, "executing program\n", 18) = 18 [pid 6489] memfd_create("syzkaller", 0) = 3 [pid 6489] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] <... umount2 resumed>) = 0 [pid 6489] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6488] munmap(0x7fa6be400000, 138412032 [pid 5832] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6488] <... munmap resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6488] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [pid 6488] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6488] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5833] newfstatat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] openat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6489] <... write resumed>) = 524288 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] getdents64(4, [pid 5833] umount2("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(4, "", [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6489] munmap(0x7fa6be400000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6489] <... munmap resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(4, [pid 5830] getdents64(4, [pid 6489] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(4, [pid 5830] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6489] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5832] close(4 [pid 5830] <... close resumed>) = 0 [pid 6489] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... close resumed>) = 0 [pid 5830] rmdir("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6488] <... ioctl resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] newfstatat(AT_FDCWD, "./126/binderfs", [pid 5833] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./127/binderfs", [pid 5833] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] unlink("./127/binderfs" [pid 5833] rmdir("./123/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] unlink("./126/binderfs" [pid 5830] <... unlink resumed>) = 0 [pid 6488] close(3) = 0 [pid 6488] close(4) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6488] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... unlink resumed>) = 0 [pid 5833] umount2("./123/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6488] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] newfstatat(AT_FDCWD, "./123/binderfs", [pid 5830] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5833] unlink("./123/binderfs" [pid 6488] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... unlink resumed>) = 0 [pid 5830] rmdir("./127" [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6488] <... mount resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6488] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] close(3 [pid 5832] rmdir("./126" [pid 5830] mkdir("./128", 0777 [pid 6488] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6489] <... ioctl resumed>) = 0 [pid 6488] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... mkdir resumed>) = 0 [pid 6488] <... chdir resumed>) = 0 [pid 6488] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6489] close(3 [pid 6488] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... close resumed>) = 0 [pid 6489] <... close resumed>) = 0 [pid 6488] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] rmdir("./123" [pid 5832] mkdir("./127", 0777 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6489] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6489] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6489] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6488] <... mknod resumed>) = 0 [pid 5833] mkdir("./124", 0777 [ 151.623820][ T6488] loop0: detected capacity change from 0 to 1024 [ 151.647575][ T6489] loop2: detected capacity change from 0 to 1024 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6489] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6488] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] close(3 [pid 5830] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6490 attached [pid 6490] set_robust_list(0x555567654760, 24) = 0 [pid 6490] chdir("./127") = 0 [pid 6490] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6490] setpgid(0, 0) = 0 [pid 6490] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6488] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6488] sync( [pid 6490] <... openat resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6490 [pid 6490] write(3, "1000", 4 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6490] <... write resumed>) = 4 [pid 6490] close(3) = 0 [pid 6490] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6490] write(1, "executing program\n", 18 [pid 6489] <... mount resumed>) = 0 [pid 6490] <... write resumed>) = 18 [pid 6489] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6491 [pid 6490] memfd_create("syzkaller", 0 [pid 6489] <... openat resumed>) = 3 [pid 6489] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6490] <... memfd_create resumed>) = 3 [pid 6489] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6490] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6489] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6490] <... mmap resumed>) = 0x7fa6be400000 [pid 6489] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6491 attached [pid 5833] <... close resumed>) = 0 [pid 6491] set_robust_list(0x555567654760, 24) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6491] chdir("./128" [pid 6489] <... mknod resumed>) = 0 [pid 6491] <... chdir resumed>) = 0 [pid 6490] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 6492 attached [pid 6491] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6489] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6491] <... prctl resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6492 [pid 6492] set_robust_list(0x555567654760, 24) = 0 [pid 6488] <... sync resumed>) = 0 [pid 6492] chdir("./124" [pid 6491] setpgid(0, 0) = 0 [pid 6488] exit_group(0 [pid 6492] <... chdir resumed>) = 0 [pid 6491] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6488] <... exit_group resumed>) = ? [pid 6488] +++ exited with 0 +++ [pid 6492] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6491] <... openat resumed>) = 3 [pid 6489] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6488, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=1 /* 0.01 s */} --- [pid 6492] <... prctl resumed>) = 0 [pid 6492] setpgid(0, 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6489] sync( [pid 6492] <... setpgid resumed>) = 0 [pid 6492] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... restart_syscall resumed>) = 0 [pid 6491] write(3, "1000", 4 [pid 5829] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6491] <... write resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6491] close(3 [pid 5829] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6492] <... openat resumed>) = 3 [pid 6491] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6491] symlink("/dev/binderfs", "./binderfs" [pid 5829] newfstatat(3, "", [pid 6490] <... write resumed>) = 524288 [pid 6492] write(3, "1000", 4) = 4 [pid 6492] close(3) = 0 [pid 6492] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6490] munmap(0x7fa6be400000, 138412032) = 0 executing program [pid 6492] write(1, "executing program\n", 18 [pid 6491] <... symlink resumed>) = 0 [pid 6489] <... sync resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6491] write(1, "executing program\n", 18 [pid 6492] <... write resumed>) = 18 executing program [pid 6489] exit_group(0 [pid 5829] getdents64(3, [pid 6492] memfd_create("syzkaller", 0 [pid 6490] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6491] <... write resumed>) = 18 [pid 6489] <... exit_group resumed>) = ? [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6492] <... memfd_create resumed>) = 3 [pid 6492] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6491] memfd_create("syzkaller", 0 [pid 6489] +++ exited with 0 +++ [pid 5829] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6492] <... mmap resumed>) = 0x7fa6be400000 [pid 6491] <... memfd_create resumed>) = 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6489, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6491] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6491] <... mmap resumed>) = 0x7fa6be400000 [pid 6492] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6491] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6490] <... openat resumed>) = 4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6491] <... write resumed>) = 524288 [pid 6490] ioctl(4, LOOP_SET_FD, 3 [pid 5829] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6490] <... ioctl resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5829] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6492] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6492] munmap(0x7fa6be400000, 138412032 [pid 5829] <... openat resumed>) = 4 [pid 6491] munmap(0x7fa6be400000, 138412032 [pid 6492] <... munmap resumed>) = 0 [pid 6492] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6491] <... munmap resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6492] ioctl(4, LOOP_SET_FD, 3 [pid 6491] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6491] <... openat resumed>) = 4 [pid 5829] getdents64(4, [pid 6491] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6490] close(3 [pid 5829] <... close resumed>) = 0 [pid 6490] <... close resumed>) = 0 [pid 6490] close(4 [pid 5829] rmdir("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6490] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6490] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6490] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./130/binderfs", [pid 6491] <... ioctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6491] close(3 [pid 5829] unlink("./130/binderfs" [pid 6491] <... close resumed>) = 0 [pid 6491] close(4 [pid 6490] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... unlink resumed>) = 0 [pid 6491] <... close resumed>) = 0 [pid 6491] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] getdents64(3, [pid 6492] <... ioctl resumed>) = 0 [pid 6492] close(3 [pid 6491] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6492] <... close resumed>) = 0 [pid 6491] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] close(3 [pid 6492] close(4) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./130" [pid 6492] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6492] <... mkdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] mkdir("./131", 0777 [pid 5831] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6492] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] openat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6491] <... mount resumed>) = 0 [pid 6491] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 5829] <... openat resumed>) = 3 [pid 6491] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6491] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6491] <... chdir resumed>) = 0 [ 151.849469][ T6490] loop3: detected capacity change from 0 to 1024 [ 151.866980][ T6492] loop4: detected capacity change from 0 to 1024 [ 151.877122][ T6491] loop1: detected capacity change from 0 to 1024 [pid 5829] close(3 [pid 6491] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6492] <... mount resumed>) = 0 [pid 6490] <... mount resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6490] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... rmdir resumed>) = 0 [pid 6492] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6491] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6490] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6492] <... openat resumed>) = 3 [pid 6491] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6490] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6492] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6490] <... chdir resumed>) = 0 [pid 6492] <... chdir resumed>) = 0 [pid 6490] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6492] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6490] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6492] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6490] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6492] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6493 attached [pid 5831] newfstatat(AT_FDCWD, "./127/binderfs", [pid 6491] <... mknod resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6493 [pid 6493] set_robust_list(0x555567654760, 24 [pid 6491] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] unlink("./127/binderfs" [pid 6493] <... set_robust_list resumed>) = 0 [pid 6492] <... mknod resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6493] chdir("./131") = 0 [pid 6490] <... mknod resumed>) = 0 [pid 6493] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6490] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(3, [pid 6493] <... prctl resumed>) = 0 [pid 6492] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6493] setpgid(0, 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./127" [pid 6493] <... setpgid resumed>) = 0 [pid 6491] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... rmdir resumed>) = 0 [pid 6493] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] mkdir("./128", 0777 [pid 6493] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 6493] write(3, "1000", 4 [pid 6490] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6493] <... write resumed>) = 4 [pid 6490] sync( [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6493] close(3 [pid 5831] <... openat resumed>) = 3 [pid 6493] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6493] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... ioctl resumed>) = 0 [pid 6493] <... symlink resumed>) = 0 [pid 6492] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6491] sync( [pid 5831] close(3executing program [pid 6492] sync( [pid 5831] <... close resumed>) = 0 [pid 6493] write(1, "executing program\n", 18) = 18 [pid 6493] memfd_create("syzkaller", 0) = 3 [pid 6493] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6493] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6494 attached [pid 6492] <... sync resumed>) = 0 [pid 6490] <... sync resumed>) = 0 [pid 6494] set_robust_list(0x555567654760, 24 [pid 6492] exit_group(0 [pid 6490] exit_group(0 [pid 6492] <... exit_group resumed>) = ? [pid 6490] <... exit_group resumed>) = ? [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6494 [pid 6492] +++ exited with 0 +++ [pid 6494] <... set_robust_list resumed>) = 0 [pid 6494] chdir("./128" [pid 6493] <... write resumed>) = 524288 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6494] <... chdir resumed>) = 0 [pid 6491] <... sync resumed>) = 0 [pid 6490] +++ exited with 0 +++ [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6490, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6493] munmap(0x7fa6be400000, 138412032 [pid 6494] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6491] exit_group(0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./124", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", [pid 6494] <... prctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6493] <... munmap resumed>) = 0 [pid 5832] getdents64(3, [pid 5833] openat(AT_FDCWD, "./124", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6494] setpgid(0, 0 [pid 6491] <... exit_group resumed>) = ? [pid 6491] +++ exited with 0 +++ [pid 6494] <... setpgid resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6494] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6493] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6491, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6493] <... openat resumed>) = 4 [pid 5832] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6493] ioctl(4, LOOP_SET_FD, 3 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6494] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6494] write(3, "1000", 4 [pid 5833] getdents64(3, [pid 6494] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6494] close(3) = 0 [pid 5833] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6494] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5832] newfstatat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6494] write(1, "executing program\n", 18) = 18 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6493] <... ioctl resumed>) = 0 [pid 6494] memfd_create("syzkaller", 0 [pid 5832] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6493] close(3) = 0 [pid 6493] close(4) = 0 [pid 6493] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5830] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6494] <... memfd_create resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6493] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6494] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [ 152.070520][ T6493] loop0: detected capacity change from 0 to 1024 [pid 5832] newfstatat(4, "", [pid 6494] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6493] <... mount resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 6493] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6493] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6493] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6493] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6493] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6494] <... write resumed>) = 524288 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6493] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(4, [pid 5833] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./124/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] close(4 [pid 5833] umount2("./124/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./124/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./124/binderfs") = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./127/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./127/binderfs" [pid 5833] close(3) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5833] rmdir("./124" [pid 5832] getdents64(3, [pid 6493] <... mknod resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6493] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] close(3 [pid 6494] munmap(0x7fa6be400000, 138412032) = 0 [pid 5832] <... close resumed>) = 0 [pid 6494] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] rmdir("./127" [pid 5833] mkdir("./125", 0777 [pid 6494] <... openat resumed>) = 4 [pid 6494] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./128", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... mkdir resumed>) = 0 [pid 6493] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... ioctl resumed>) = 0 [pid 6493] sync( [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6495 attached [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... umount2 resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6495] set_robust_list(0x555567654760, 24) = 0 [pid 6495] chdir("./125") = 0 [pid 6495] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6495 [pid 6495] setpgid(0, 0) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6495] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6493] <... sync resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] close(3) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6493] exit_group(0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6495] <... openat resumed>) = 3 [pid 6493] <... exit_group resumed>) = ? [pid 6494] <... ioctl resumed>) = 0 [pid 6493] +++ exited with 0 +++ [pid 6495] write(3, "1000", 4 [pid 5830] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6496 attached [pid 6495] <... write resumed>) = 4 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6496 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6493, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6495] close(3 [ 152.145903][ T6494] loop2: detected capacity change from 0 to 1024 [pid 5829] restart_syscall(<... resuming interrupted clone ...>executing program [pid 6495] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... restart_syscall resumed>) = 0 [pid 6495] symlink("/dev/binderfs", "./binderfs" [pid 6494] close(3 [pid 5829] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6495] <... symlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6496] set_robust_list(0x555567654760, 24 [pid 5829] <... openat resumed>) = 3 [pid 6496] <... set_robust_list resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6496] chdir("./128" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6496] <... chdir resumed>) = 0 [pid 6495] write(1, "executing program\n", 18 [pid 6496] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6495] <... write resumed>) = 18 [pid 5829] getdents64(3, [pid 6496] <... prctl resumed>) = 0 [pid 6495] memfd_create("syzkaller", 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6496] setpgid(0, 0 [pid 6495] <... memfd_create resumed>) = 3 [pid 5829] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6496] <... setpgid resumed>) = 0 [pid 6495] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6496] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6495] <... mmap resumed>) = 0x7fa6be400000 [pid 6494] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = 0 [pid 6496] <... openat resumed>) = 3 [pid 6495] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6494] close(4 [pid 5830] newfstatat(4, "", [pid 6494] <... close resumed>) = 0 [pid 6494] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6496] write(3, "1000", 4 [pid 6494] <... mkdir resumed>) = 0 [pid 5830] getdents64(4, [pid 6496] <... write resumed>) = 4 [pid 6494] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6496] close(3 [pid 5830] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6496] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6496] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5830] close(4 [pid 6496] <... symlink resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6496] write(1, "executing program\n", 18 [pid 5830] rmdir("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6496] <... write resumed>) = 18 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(4, [pid 5830] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6496] memfd_create("syzkaller", 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(4 [pid 5830] unlink("./128/binderfs" [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6496] <... memfd_create resumed>) = 3 [pid 5830] getdents64(3, [pid 6496] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6496] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./131/binderfs") = 0 [pid 6495] <... write resumed>) = 524288 [pid 6494] <... mount resumed>) = 0 [pid 5830] close(3 [pid 6494] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 6495] munmap(0x7fa6be400000, 138412032) = 0 [pid 6494] <... openat resumed>) = 3 [pid 6496] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6494] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] rmdir("./128" [pid 5829] getdents64(3, [pid 6495] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6495] ioctl(4, LOOP_SET_FD, 3 [pid 6496] <... write resumed>) = 524288 [pid 6494] <... chdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5830] mkdir("./129", 0777 [pid 5829] rmdir("./131") = 0 [pid 5829] mkdir("./132", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6494] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6494] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... openat resumed>) = 3 [pid 6494] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 ./strace-static-x86_64: Process 6497 attached [pid 5830] close(3 [pid 6497] set_robust_list(0x555567654760, 24) = 0 [pid 6497] chdir("./132" [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6497 [pid 6497] <... chdir resumed>) = 0 [pid 6497] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6498 attached [pid 6497] <... prctl resumed>) = 0 [pid 6494] <... mknod resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6498 [ 152.270090][ T6495] loop4: detected capacity change from 0 to 1024 [pid 6498] set_robust_list(0x555567654760, 24 [pid 6497] setpgid(0, 0 [pid 6496] munmap(0x7fa6be400000, 138412032 [pid 6494] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6496] <... munmap resumed>) = 0 [pid 6496] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6495] <... ioctl resumed>) = 0 [pid 6497] <... setpgid resumed>) = 0 [pid 6497] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6496] ioctl(4, LOOP_SET_FD, 3 [pid 6495] close(3) = 0 [pid 6498] <... set_robust_list resumed>) = 0 [pid 6497] <... openat resumed>) = 3 [pid 6495] close(4 [pid 6498] chdir("./129" [pid 6497] write(3, "1000", 4 [pid 6495] <... close resumed>) = 0 [pid 6497] <... write resumed>) = 4 [pid 6497] close(3 [pid 6495] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6497] <... close resumed>) = 0 [pid 6495] <... mkdir resumed>) = 0 [pid 6498] <... chdir resumed>) = 0 [pid 6494] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6498] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6497] symlink("/dev/binderfs", "./binderfs" [pid 6495] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6494] sync( [pid 6497] <... symlink resumed>) = 0 [pid 6498] <... prctl resumed>) = 0 executing program [pid 6498] setpgid(0, 0 [pid 6497] write(1, "executing program\n", 18) = 18 [pid 6498] <... setpgid resumed>) = 0 [pid 6497] memfd_create("syzkaller", 0) = 3 [pid 6497] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6498] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6498] write(3, "1000", 4 [pid 6495] <... mount resumed>) = 0 [pid 6498] <... write resumed>) = 4 [pid 6496] <... ioctl resumed>) = 0 [pid 6495] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6496] close(3 [pid 6495] <... openat resumed>) = 3 [pid 6496] <... close resumed>) = 0 [pid 6495] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6496] close(4 [pid 6495] <... chdir resumed>) = 0 [pid 6495] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6498] close(3) = 0 [pid 6495] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6495] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6498] symlink("/dev/binderfs", "./binderfs" [pid 6496] <... close resumed>) = 0 [pid 6498] <... symlink resumed>) = 0 [pid 6496] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 executing program [pid 6498] write(1, "executing program\n", 18 [pid 6495] <... mknod resumed>) = 0 [pid 6496] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6498] <... write resumed>) = 18 [pid 6498] memfd_create("syzkaller", 0 [pid 6495] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6498] <... memfd_create resumed>) = 3 [ 152.312431][ T6496] loop3: detected capacity change from 0 to 1024 [pid 6497] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6498] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6495] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6495] sync( [pid 6497] <... write resumed>) = 524288 [pid 6496] <... mount resumed>) = 0 [pid 6497] munmap(0x7fa6be400000, 138412032 [pid 6496] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6497] <... munmap resumed>) = 0 [pid 6496] <... openat resumed>) = 3 [pid 6496] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6496] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6497] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6496] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6497] <... openat resumed>) = 4 [pid 6498] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6497] ioctl(4, LOOP_SET_FD, 3 [pid 6494] <... sync resumed>) = 0 [pid 6494] exit_group(0 [pid 6496] <... mknod resumed>) = 0 [pid 6494] <... exit_group resumed>) = ? [pid 6496] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6496] sync( [pid 6494] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6494, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6497] <... ioctl resumed>) = 0 [pid 6497] close(3 [pid 6498] <... write resumed>) = 524288 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6498] munmap(0x7fa6be400000, 138412032 [pid 6497] <... close resumed>) = 0 [pid 6498] <... munmap resumed>) = 0 [pid 5831] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", [pid 6497] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 6498] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6498] <... openat resumed>) = 4 [pid 6497] <... close resumed>) = 0 [ 152.400597][ T6497] loop0: detected capacity change from 0 to 1024 [pid 5831] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6498] ioctl(4, LOOP_SET_FD, 3 [pid 6497] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6498] <... ioctl resumed>) = 0 [pid 6497] <... mkdir resumed>) = 0 [pid 6496] <... sync resumed>) = 0 [pid 6495] <... sync resumed>) = 0 [pid 6495] exit_group(0 [pid 6496] exit_group(0 [pid 6495] <... exit_group resumed>) = ? [pid 6496] <... exit_group resumed>) = ? [pid 6496] +++ exited with 0 +++ [pid 6497] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6496, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... umount2 resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6495] +++ exited with 0 +++ [pid 5832] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6495, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6498] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6498] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6498] close(4 [pid 5831] newfstatat(4, "", [pid 6498] <... close resumed>) = 0 [pid 5833] umount2("./125", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6498] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 6498] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./125", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(3, [pid 5832] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 6497] <... mount resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6497] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(4 [pid 6497] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 4 [pid 6497] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6498] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6497] <... chdir resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 6497] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5831] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./128/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6497] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] unlink("./128/binderfs" [pid 6497] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [ 152.450533][ T6498] loop1: detected capacity change from 0 to 1024 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 6497] <... mknod resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./128/binderfs", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(3) = 0 [pid 5832] unlink("./128/binderfs" [pid 5831] rmdir("./128" [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5833] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] mkdir("./129", 0777 [pid 5832] close(3 [pid 5833] umount2("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 6497] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... mkdir resumed>) = 0 [pid 5832] rmdir("./128" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", [pid 5832] mkdir("./129", 0777 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... ioctl resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] close(3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5832] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5833] rmdir("./125/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] close(3) = 0 [pid 5833] umount2("./125/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6499 attached [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6499] set_robust_list(0x555567654760, 24 [pid 5833] newfstatat(AT_FDCWD, "./125/binderfs", [pid 6499] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6499] chdir("./129" [pid 5833] unlink("./125/binderfs") = 0 [pid 6499] <... chdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6499 [pid 6499] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6499] <... prctl resumed>) = 0 [pid 5833] close(3 [pid 6499] setpgid(0, 0 [pid 5833] <... close resumed>) = 0 [pid 6499] <... setpgid resumed>) = 0 [pid 6497] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./125" [pid 6499] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6500 attached [pid 6499] <... openat resumed>) = 3 [pid 5833] <... rmdir resumed>) = 0 [pid 6499] write(3, "1000", 4) = 4 [pid 6499] close(3 [pid 6500] set_robust_list(0x555567654760, 24 [pid 6499] <... close resumed>) = 0 [pid 5833] mkdir("./126", 0777 [pid 6497] sync( [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6500 [pid 6500] <... set_robust_list resumed>) = 0 [pid 6500] chdir("./129" [pid 6499] symlink("/dev/binderfs", "./binderfs" [pid 6500] <... chdir resumed>) = 0 [pid 6499] <... symlink resumed>) = 0 [pid 6500] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6500] <... prctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6500] setpgid(0, 0) = 0 executing program [pid 6500] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6499] write(1, "executing program\n", 18 [pid 5833] <... ioctl resumed>) = 0 [pid 6499] <... write resumed>) = 18 [pid 6500] <... openat resumed>) = 3 [pid 6499] memfd_create("syzkaller", 0 [pid 6498] <... mount resumed>) = 0 [pid 5833] close(3 [pid 6498] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6500] write(3, "1000", 4 [pid 6499] <... memfd_create resumed>) = 3 [pid 6498] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 6500] <... write resumed>) = 4 [pid 6499] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6498] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6500] close(3 [pid 6499] <... mmap resumed>) = 0x7fa6be400000 [pid 6498] <... chdir resumed>) = 0 [pid 6500] <... close resumed>) = 0 [pid 6498] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6501 attached ) = -1 EBUSY (Device or resource busy) [pid 6500] symlink("/dev/binderfs", "./binderfs" [pid 6498] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6500] <... symlink resumed>) = 0 executing program [pid 6501] set_robust_list(0x555567654760, 24 [pid 6500] write(1, "executing program\n", 18 [pid 6498] <... mknod resumed>) = 0 [pid 6500] <... write resumed>) = 18 [pid 6498] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6501] <... set_robust_list resumed>) = 0 [pid 6500] memfd_create("syzkaller", 0 [pid 6498] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6501 [pid 6501] chdir("./126") = 0 [pid 6500] <... memfd_create resumed>) = 3 [pid 6498] sync( [pid 6501] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6500] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6497] <... sync resumed>) = 0 [pid 6501] <... prctl resumed>) = 0 [pid 6500] <... mmap resumed>) = 0x7fa6be400000 [pid 6497] exit_group(0 [pid 6501] setpgid(0, 0 [pid 6500] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6497] <... exit_group resumed>) = ? [pid 6501] <... setpgid resumed>) = 0 [pid 6499] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6497] +++ exited with 0 +++ [pid 6501] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6497, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6501] <... openat resumed>) = 3 [pid 5829] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6501] write(3, "1000", 4 [pid 5829] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6501] <... write resumed>) = 4 [pid 5829] <... openat resumed>) = 3 [pid 6501] close(3 [pid 5829] newfstatat(3, "", [pid 6501] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6501] symlink("/dev/binderfs", "./binderfs" [pid 5829] getdents64(3, [pid 6501] <... symlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6498] <... sync resumed>) = 0 [pid 6498] exit_group(0) = ? [pid 6498] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6498, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=0} --- executing program [pid 6501] write(1, "executing program\n", 18 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6501] <... write resumed>) = 18 [pid 5829] <... umount2 resumed>) = 0 [pid 6501] memfd_create("syzkaller", 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6500] <... write resumed>) = 524288 [pid 6499] <... write resumed>) = 524288 [pid 6501] <... memfd_create resumed>) = 3 [pid 6501] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5830] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6501] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6499] munmap(0x7fa6be400000, 138412032 [pid 5829] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6499] <... munmap resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] newfstatat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6499] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] openat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6499] <... openat resumed>) = 4 [pid 5830] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 6499] ioctl(4, LOOP_SET_FD, 3 [pid 5829] newfstatat(4, "", [pid 6499] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6499] ioctl(4, LOOP_CLR_FD [pid 5829] getdents64(4, [pid 6499] <... ioctl resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 6500] munmap(0x7fa6be400000, 138412032 [pid 5829] rmdir("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6500] <... munmap resumed>) = 0 [pid 6499] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6499] close(4) = 0 [pid 6499] close(3) = 0 [pid 6501] <... write resumed>) = 524288 [pid 6500] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./132/binderfs", [pid 6500] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6500] ioctl(4, LOOP_SET_FD, 3 [pid 5829] unlink("./132/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./132" [pid 6499] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./133", 0777 [pid 6499] <... mknod resumed>) = 0 [pid 6499] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... mkdir resumed>) = 0 [pid 5830] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6499] <... link resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] munmap(0x7fa6be400000, 138412032 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6501] <... munmap resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6499] sync( [pid 5830] newfstatat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6502 attached [pid 6501] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6501] <... openat resumed>) = 4 [pid 6502] set_robust_list(0x555567654760, 24 [pid 6501] ioctl(4, LOOP_SET_FD, 3 [pid 6502] <... set_robust_list resumed>) = 0 [pid 6499] <... sync resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6502] chdir("./133" [pid 5830] <... openat resumed>) = 4 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6502 [pid 6502] <... chdir resumed>) = 0 [pid 6499] exit_group(0 [pid 5830] newfstatat(4, "", [pid 6502] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6500] <... ioctl resumed>) = 0 [pid 6502] <... prctl resumed>) = 0 [pid 6500] close(3 [pid 6502] setpgid(0, 0 [pid 6500] <... close resumed>) = 0 [pid 6502] <... setpgid resumed>) = 0 [pid 6500] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6502] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6500] <... close resumed>) = 0 [pid 6502] <... openat resumed>) = 3 [pid 6500] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] getdents64(4, [pid 6500] <... mkdir resumed>) = 0 [pid 6499] <... exit_group resumed>) = ? [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6500] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6502] write(3, "1000", 4) = 4 [pid 6502] close(3) = 0 executing program [pid 6499] +++ exited with 0 +++ [pid 5830] getdents64(4, [pid 6502] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6502] write(1, "executing program\n", 18) = 18 [pid 6502] memfd_create("syzkaller", 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6499, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6502] <... memfd_create resumed>) = 3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] close(4 [pid 6502] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... close resumed>) = 0 [pid 6502] <... mmap resumed>) = 0x7fa6be400000 [pid 6501] <... ioctl resumed>) = 0 [pid 5830] rmdir("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6501] close(3) = 0 [pid 6501] close(4) = 0 [pid 6501] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6501] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6502] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6500] <... mount resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [ 152.717010][ T6500] loop2: detected capacity change from 0 to 1024 [ 152.742921][ T6501] loop4: detected capacity change from 0 to 1024 [pid 5830] newfstatat(AT_FDCWD, "./129/binderfs", [pid 6500] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6502] <... write resumed>) = 524288 [pid 6500] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] unlink("./129/binderfs" [pid 6500] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 6500] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5830] getdents64(3, [pid 6500] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6500] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 6501] <... mount resumed>) = 0 [pid 6501] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 6501] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] rmdir("./129" [pid 6501] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6501] <... chdir resumed>) = 0 [pid 6500] <... mknod resumed>) = 0 [pid 6501] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] unlink("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... rmdir resumed>) = 0 [pid 6501] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6500] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... unlink resumed>) = 0 [pid 5830] mkdir("./130", 0777 [pid 6502] munmap(0x7fa6be400000, 138412032 [pid 6501] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 6502] <... munmap resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6502] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] newfstatat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... openat resumed>) = 3 [pid 6502] <... openat resumed>) = 4 [pid 6501] <... mknod resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] unlink("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6502] ioctl(4, LOOP_SET_FD, 3 [pid 6501] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5832] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6500] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6500] sync( [pid 5832] newfstatat(AT_FDCWD, "./129/binderfs", ./strace-static-x86_64: Process 6503 attached [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6503 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./129/binderfs" [pid 6503] set_robust_list(0x555567654760, 24) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6503] chdir("./130" [pid 5832] getdents64(3, [pid 6501] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6501] sync( [pid 6503] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6503] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5832] <... close resumed>) = 0 [pid 6503] setpgid(0, 0 [pid 5832] rmdir("./129" [pid 6503] <... setpgid resumed>) = 0 [pid 6503] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6502] <... ioctl resumed>) = 0 [pid 6502] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 6502] <... close resumed>) = 0 [pid 6502] close(4 [pid 5832] mkdir("./130", 0777 [pid 6502] <... close resumed>) = 0 [pid 6503] write(3, "1000", 4 [pid 6502] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... mkdir resumed>) = 0 [pid 6503] <... write resumed>) = 4 [pid 6503] close(3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6503] <... close resumed>) = 0 [pid 6502] <... mkdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 executing program [pid 6503] symlink("/dev/binderfs", "./binderfs" [pid 6502] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6501] <... sync resumed>) = 0 [pid 6500] <... sync resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6503] <... symlink resumed>) = 0 [pid 6501] exit_group(0 [pid 6500] exit_group(0 [pid 6503] write(1, "executing program\n", 18 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6503] <... write resumed>) = 18 [pid 6503] memfd_create("syzkaller", 0 [pid 6502] <... mount resumed>) = 0 [pid 6501] <... exit_group resumed>) = ? [pid 6500] <... exit_group resumed>) = ? [pid 5832] close(3 [pid 6503] <... memfd_create resumed>) = 3 [pid 6502] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6501] +++ exited with 0 +++ [pid 6500] +++ exited with 0 +++ [pid 5832] <... close resumed>) = 0 [pid 6503] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6502] <... openat resumed>) = 3 [pid 6503] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6501, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6500, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6502] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6502] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [ 152.841763][ T6502] loop0: detected capacity change from 0 to 1024 [pid 6502] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6502] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6504 attached [pid 6503] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6504] set_robust_list(0x555567654760, 24) = 0 [pid 6504] chdir("./130") = 0 [pid 6504] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6504] setpgid(0, 0) = 0 [pid 6504] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6502] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6502] sync( [pid 6504] <... openat resumed>) = 3 [pid 6504] write(3, "1000", 4) = 4 [pid 6504] close(3) = 0 [pid 6504] symlink("/dev/binderfs", "./binderfs" [pid 5833] umount2("./126", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6504 [pid 5831] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./126", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6504] <... symlink resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 executing program [pid 5831] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6504] write(1, "executing program\n", 18 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6504] <... write resumed>) = 18 [pid 6504] memfd_create("syzkaller", 0) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6504] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6504] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6502] <... sync resumed>) = 0 [pid 6502] exit_group(0) = ? [pid 6503] <... write resumed>) = 524288 [pid 6503] munmap(0x7fa6be400000, 138412032 [pid 5833] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6503] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6504] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", [pid 6502] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6502, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] getdents64(4, [pid 5829] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6503] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] getdents64(4, [pid 6504] <... write resumed>) = 524288 [pid 6503] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = 0 [pid 6503] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6503] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6503] ioctl(4, LOOP_CLR_FD) = 0 [pid 5831] newfstatat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(4) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6503] ioctl(4, LOOP_SET_FD, 3 [pid 5833] rmdir("./126/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6503] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6503] close(4 [pid 5833] umount2("./126/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./126/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6504] munmap(0x7fa6be400000, 138412032 [pid 5833] unlink("./126/binderfs" [pid 5831] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... unlink resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6504] <... munmap resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5833] close(3 [pid 5831] getdents64(4, [pid 6504] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] rmdir("./126" [pid 6504] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5833] mkdir("./127", 0777 [pid 5829] rmdir("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... mkdir resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6504] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5831] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./133/binderfs", [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] rmdir("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] unlink("./133/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./133") = 0 [pid 5829] mkdir("./134", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] close(3) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] close(3./strace-static-x86_64: Process 6505 attached [pid 6505] set_robust_list(0x555567654760, 24 [pid 5829] <... close resumed>) = 0 [pid 6505] <... set_robust_list resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6506 attached [pid 6505] chdir("./127") = 0 [pid 6505] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6505] setpgid(0, 0) = 0 [pid 6506] set_robust_list(0x555567654760, 24 [pid 6505] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6506] <... set_robust_list resumed>) = 0 executing program [pid 6506] chdir("./134" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6506 [pid 6506] <... chdir resumed>) = 0 [pid 6506] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6505] <... openat resumed>) = 3 [pid 6506] <... prctl resumed>) = 0 [pid 6506] setpgid(0, 0) = 0 [pid 6506] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6505] write(3, "1000", 4) = 4 [pid 6505] close(3 [pid 5831] newfstatat(AT_FDCWD, "./129/binderfs", [pid 6506] <... openat resumed>) = 3 [pid 6506] write(3, "1000", 4 [pid 6503] <... close resumed>) = 0 [pid 6506] <... write resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6506] close(3) = 0 [pid 6506] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6505] <... close resumed>) = 0 [pid 6505] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6505] write(1, "executing program\n", 18 [pid 6506] write(1, "executing program\n", 18 [pid 6505] <... write resumed>) = 18 executing program [pid 6506] <... write resumed>) = 18 [pid 6505] memfd_create("syzkaller", 0 [pid 6503] close(3 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6505 [pid 5831] unlink("./129/binderfs" [pid 6506] memfd_create("syzkaller", 0 [pid 6505] <... memfd_create resumed>) = 3 [pid 5831] <... unlink resumed>) = 0 [pid 6505] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6506] <... memfd_create resumed>) = 3 [pid 6503] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 6506] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6506] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] close(3) = 0 [pid 5831] rmdir("./129" [pid 6505] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./130", 0777) = 0 [pid 6506] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6504] <... ioctl resumed>) = 0 [pid 6503] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... ioctl resumed>) = 0 [pid 6503] <... mknod resumed>) = 0 [ 153.013205][ T6504] loop3: detected capacity change from 0 to 1024 [pid 5831] close(3 [pid 6505] <... write resumed>) = 524288 [pid 6506] <... write resumed>) = 524288 [pid 6504] close(3 [pid 6503] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6505] munmap(0x7fa6be400000, 138412032) = 0 [pid 6504] <... close resumed>) = 0 [pid 6503] <... link resumed>) = 0 [pid 6506] munmap(0x7fa6be400000, 138412032) = 0 [pid 6505] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6504] close(4 [pid 6503] sync( [pid 6504] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6506] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6505] <... openat resumed>) = 4 [pid 6504] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6506] <... openat resumed>) = 4 [pid 6505] ioctl(4, LOOP_SET_FD, 3 [pid 6506] ioctl(4, LOOP_SET_FD, 3 [pid 6504] <... mkdir resumed>) = 0 [pid 6506] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6504] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6503] <... sync resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6503] exit_group(0 [pid 6506] ioctl(4, LOOP_CLR_FD) = 0 [pid 6506] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6506] close(4 [pid 6505] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6507 attached [pid 6503] <... exit_group resumed>) = ? [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6507 [pid 6507] set_robust_list(0x555567654760, 24 [pid 6503] +++ exited with 0 +++ [pid 6507] <... set_robust_list resumed>) = 0 [pid 6505] close(3) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6503, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6505] close(4 [pid 6507] chdir("./130" [pid 6505] <... close resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6507] <... chdir resumed>) = 0 [pid 6506] <... close resumed>) = 0 [pid 6505] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6504] <... mount resumed>) = 0 [pid 6507] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6504] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6507] <... prctl resumed>) = 0 [pid 6507] setpgid(0, 0 [pid 6505] <... mkdir resumed>) = 0 [pid 6504] <... openat resumed>) = 3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6507] <... setpgid resumed>) = 0 [pid 6504] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6507] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6505] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6504] <... chdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6504] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6506] close(3 [pid 6504] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... openat resumed>) = 3 [pid 6507] <... openat resumed>) = 3 [pid 6504] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6507] write(3, "1000", 4) = 4 [pid 5830] getdents64(3, [pid 6507] close(3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6507] <... close resumed>) = 0 [pid 5830] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 153.092005][ T6505] loop4: detected capacity change from 0 to 1024 [pid 6507] symlink("/dev/binderfs", "./binderfs" [pid 6506] <... close resumed>) = 0 [pid 6507] <... symlink resumed>) = 0 [pid 6505] <... mount resumed>) = 0 [pid 6504] <... mknod resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6507] write(1, "executing program\n", 18 executing program [pid 6506] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6505] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6504] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6507] <... write resumed>) = 18 [pid 6506] <... mknod resumed>) = 0 [pid 6505] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6507] memfd_create("syzkaller", 0 [pid 5830] unlink("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6505] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6506] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6505] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6505] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6505] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] newfstatat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6507] <... memfd_create resumed>) = 3 [pid 6506] <... link resumed>) = 0 [pid 6504] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6507] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6504] sync( [pid 6506] sync( [pid 6505] <... mknod resumed>) = 0 [pid 5830] unlink("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6507] <... mmap resumed>) = 0x7fa6be400000 [pid 6505] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... unlink resumed>) = 0 [pid 5830] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6505] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6507] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./130/binderfs" [pid 6505] sync( [pid 6507] <... write resumed>) = 524288 [pid 6507] munmap(0x7fa6be400000, 138412032) = 0 [pid 6507] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 6507] <... openat resumed>) = 4 [pid 6507] ioctl(4, LOOP_SET_FD, 3 [pid 5830] getdents64(3, [pid 6504] <... sync resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 6506] <... sync resumed>) = 0 [pid 6505] <... sync resumed>) = 0 [pid 6504] exit_group(0 [pid 5830] rmdir("./130" [pid 6506] exit_group(0 [pid 6505] exit_group(0 [pid 6506] <... exit_group resumed>) = ? [pid 6505] <... exit_group resumed>) = ? [pid 6507] <... ioctl resumed>) = 0 [pid 6505] +++ exited with 0 +++ [pid 6504] <... exit_group resumed>) = ? [pid 5830] <... rmdir resumed>) = 0 [pid 6507] close(3 [pid 6504] +++ exited with 0 +++ [pid 5830] mkdir("./131", 0777 [pid 6507] <... close resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6505, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6507] close(4 [pid 6506] +++ exited with 0 +++ [pid 5833] umount2("./127", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6504, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... mkdir resumed>) = 0 [pid 6507] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6507] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] openat(AT_FDCWD, "./127", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6506, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6507] <... mkdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6507] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] newfstatat(3, "", [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] getdents64(3, [pid 5833] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] close(3 [pid 5829] newfstatat(3, "", [pid 5830] <... close resumed>) = 0 [pid 5832] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5829] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 ./strace-static-x86_64: Process 6508 attached [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6508 [ 153.242176][ T6507] loop2: detected capacity change from 0 to 1024 [pid 5829] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6508] set_robust_list(0x555567654760, 24 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6508] <... set_robust_list resumed>) = 0 [pid 6508] chdir("./131" [pid 5833] <... umount2 resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6508] <... chdir resumed>) = 0 [pid 5833] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6508] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6508] <... prctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6508] setpgid(0, 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] unlink("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6508] <... setpgid resumed>) = 0 [pid 5833] umount2("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6508] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... unlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] newfstatat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(4, "", [pid 5829] newfstatat(AT_FDCWD, "./134/binderfs", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] unlink("./134/binderfs" [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] openat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... unlink resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5829] getdents64(3, [pid 5832] newfstatat(4, "", [pid 6508] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6508] write(3, "1000", 4 [pid 6507] <... mount resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] getdents64(4, [pid 5829] close(3 [pid 6508] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6508] close(3 [pid 5833] close(4 [pid 6508] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6508] symlink("/dev/binderfs", "./binderfs" [pid 5833] rmdir("./127/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6508] <... symlink resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./134"executing program [pid 6508] write(1, "executing program\n", 18 [pid 6507] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./127/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6508] <... write resumed>) = 18 [pid 6507] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./127/binderfs", [pid 6508] memfd_create("syzkaller", 0 [pid 6507] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] rmdir("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6507] <... chdir resumed>) = 0 [pid 5833] unlink("./127/binderfs" [pid 5829] mkdir("./135", 0777 [pid 6507] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6508] <... memfd_create resumed>) = 3 [pid 5833] getdents64(3, [pid 5832] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6507] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] newfstatat(AT_FDCWD, "./130/binderfs", [pid 6507] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6508] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... close resumed>) = 0 [pid 5832] unlink("./130/binderfs" [pid 6508] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] close(3 [pid 5833] rmdir("./127" [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6509 attached [pid 5832] close(3 [pid 5833] mkdir("./128", 0777 [pid 6507] <... mknod resumed>) = 0 [pid 6507] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./130" [pid 6509] set_robust_list(0x555567654760, 24 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6509 [pid 6507] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6509] <... set_robust_list resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6509] chdir("./135" [pid 6508] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... openat resumed>) = 3 [pid 5832] mkdir("./131", 0777 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 6507] sync( [pid 5833] close(3 [pid 5832] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6509] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6509] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR./strace-static-x86_64: Process 6510 attached [pid 6509] <... prctl resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6509] setpgid(0, 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6510 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6509] <... setpgid resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6510] set_robust_list(0x555567654760, 24) = 0 [pid 6510] chdir("./128" [pid 6509] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 6509] <... openat resumed>) = 3 [pid 6510] <... chdir resumed>) = 0 [pid 6507] <... sync resumed>) = 0 [pid 6510] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6509] write(3, "1000", 4 [pid 6507] exit_group(0 [pid 6510] <... prctl resumed>) = 0 [pid 6507] <... exit_group resumed>) = ? [pid 6509] <... write resumed>) = 4 executing program [pid 6510] setpgid(0, 0 [pid 6509] close(3 [pid 6508] <... write resumed>) = 524288 [pid 6507] +++ exited with 0 +++ [pid 6510] <... setpgid resumed>) = 0 [pid 6510] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6510] write(3, "1000", 4) = 4 [pid 6510] close(3) = 0 [pid 6510] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6509] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6507, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6510] write(1, "executing program\n", 18) = 18 [pid 6510] memfd_create("syzkaller", 0) = 3 [pid 6509] symlink("/dev/binderfs", "./binderfs" [pid 6508] munmap(0x7fa6be400000, 138412032 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6511 attached executing program [pid 6509] <... symlink resumed>) = 0 [pid 6508] <... munmap resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6509] write(1, "executing program\n", 18 [pid 6508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6511 [pid 6511] set_robust_list(0x555567654760, 24 [pid 6509] <... write resumed>) = 18 [pid 6511] <... set_robust_list resumed>) = 0 [pid 6509] memfd_create("syzkaller", 0 [pid 6508] <... openat resumed>) = 4 [pid 6511] chdir("./131" [pid 6510] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6509] <... memfd_create resumed>) = 3 [pid 6508] ioctl(4, LOOP_SET_FD, 3 [pid 5831] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6509] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6511] <... chdir resumed>) = 0 [pid 6510] <... mmap resumed>) = 0x7fa6be400000 [pid 6509] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6511] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6509] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... openat resumed>) = 3 [pid 6511] setpgid(0, 0 [pid 6508] <... ioctl resumed>) = 0 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6511] <... setpgid resumed>) = 0 [pid 6508] close(3 [pid 5831] getdents64(3, [pid 6511] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6508] <... close resumed>) = 0 [pid 6510] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6508] close(4 [pid 5831] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6511] <... openat resumed>) = 3 [pid 6511] write(3, "1000", 4 [pid 6510] <... write resumed>) = 524288 [pid 6508] <... close resumed>) = 0 [pid 6511] <... write resumed>) = 4 [pid 6508] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6511] close(3) = 0 [pid 6509] <... write resumed>) = 524288 [pid 6508] <... mkdir resumed>) = 0 [pid 6511] symlink("/dev/binderfs", "./binderfs" [pid 6509] munmap(0x7fa6be400000, 138412032 [pid 6508] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6511] <... symlink resumed>) = 0 executing program [pid 6511] write(1, "executing program\n", 18 [pid 6509] <... munmap resumed>) = 0 [pid 6511] <... write resumed>) = 18 [pid 6509] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6511] memfd_create("syzkaller", 0) = 3 [pid 6510] munmap(0x7fa6be400000, 138412032 [pid 6509] <... openat resumed>) = 4 [pid 6508] <... mount resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6511] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6510] <... munmap resumed>) = 0 [pid 6509] ioctl(4, LOOP_SET_FD, 3 [pid 6508] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [ 153.458585][ T6508] loop1: detected capacity change from 0 to 1024 [pid 6511] <... mmap resumed>) = 0x7fa6be400000 [pid 6510] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6508] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6510] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6510] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6508] <... chdir resumed>) = 0 [pid 6508] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6508] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6511] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6511] <... write resumed>) = 524288 [pid 6508] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] openat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", [pid 6509] <... ioctl resumed>) = 0 [pid 6509] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6509] <... close resumed>) = 0 [pid 6510] <... ioctl resumed>) = 0 [pid 6509] close(4 [pid 6508] <... mknod resumed>) = 0 [pid 5831] getdents64(4, [pid 6510] close(3 [pid 6509] <... close resumed>) = 0 [pid 6508] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6510] <... close resumed>) = 0 [pid 6509] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6511] munmap(0x7fa6be400000, 138412032 [pid 6510] close(4 [pid 6509] <... mkdir resumed>) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6510] <... close resumed>) = 0 [pid 5831] close(4 [pid 6509] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6511] <... munmap resumed>) = 0 [pid 6510] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... close resumed>) = 0 [ 153.514410][ T6509] loop0: detected capacity change from 0 to 1024 [ 153.526135][ T6510] loop4: detected capacity change from 0 to 1024 [pid 5831] rmdir("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6511] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6510] <... mkdir resumed>) = 0 [pid 5831] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6511] <... openat resumed>) = 4 [pid 6510] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6508] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./130/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6508] sync( [pid 5831] unlink("./130/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6511] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./130") = 0 [pid 6509] <... mount resumed>) = 0 [pid 5831] mkdir("./131", 0777) = 0 [pid 6509] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6509] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6509] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6509] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] close(3 [pid 6509] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6509] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6512 attached , child_tidptr=0x555567654750) = 6512 [pid 6512] set_robust_list(0x555567654760, 24) = 0 [pid 6512] chdir("./131" [pid 6510] <... mount resumed>) = 0 [pid 6511] <... ioctl resumed>) = 0 [pid 6512] <... chdir resumed>) = 0 [pid 6512] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6511] close(3 [pid 6510] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6512] <... prctl resumed>) = 0 [pid 6511] <... close resumed>) = 0 [pid 6510] <... openat resumed>) = 3 [pid 6509] <... mknod resumed>) = 0 [pid 6512] setpgid(0, 0 [pid 6511] close(4 [pid 6510] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6512] <... setpgid resumed>) = 0 [pid 6511] <... close resumed>) = 0 [pid 6510] <... chdir resumed>) = 0 [pid 6509] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6512] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6511] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6510] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6512] <... openat resumed>) = 3 [pid 6511] <... mkdir resumed>) = 0 [pid 6510] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6512] write(3, "1000", 4) = 4 [pid 6510] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6512] close(3 [pid 6511] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6512] <... close resumed>) = 0 [pid 6512] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6509] <... link resumed>) = -1 ENOSPC (No space left on device) [ 153.597150][ T6511] loop3: detected capacity change from 0 to 1024 executing program [pid 6512] write(1, "executing program\n", 18 [pid 6509] sync( [pid 6512] <... write resumed>) = 18 [pid 6512] memfd_create("syzkaller", 0 [pid 6510] <... mknod resumed>) = 0 [pid 6512] <... memfd_create resumed>) = 3 [pid 6510] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6512] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6512] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6510] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6510] sync( [pid 6512] <... write resumed>) = 524288 [pid 6511] <... mount resumed>) = 0 [pid 6511] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6508] <... sync resumed>) = 0 [pid 6511] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6508] exit_group(0) = ? [pid 6508] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6508, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6511] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6511] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6512] munmap(0x7fa6be400000, 138412032 [pid 6511] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6512] <... munmap resumed>) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6511] <... mknod resumed>) = 0 [pid 6512] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6512] ioctl(4, LOOP_SET_FD, 3 [pid 6511] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6510] <... sync resumed>) = 0 [pid 6509] <... sync resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6510] exit_group(0 [pid 6509] exit_group(0 [pid 5830] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6511] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6511] sync( [pid 5830] close(4 [pid 6510] <... exit_group resumed>) = ? [pid 6509] <... exit_group resumed>) = ? [pid 5830] <... close resumed>) = 0 [pid 6512] <... ioctl resumed>) = 0 [pid 6510] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6510, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6512] close(3 [pid 5830] rmdir("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6509] +++ exited with 0 +++ [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6512] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6512] close(4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6509, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6512] <... close resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6512] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6512] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./128", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./131/binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 153.733428][ T6512] loop2: detected capacity change from 0 to 1024 [pid 5829] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./128", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 3 [pid 5830] getdents64(3, [pid 5829] newfstatat(3, "", [pid 5833] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 5829] getdents64(3, [pid 5833] newfstatat(3, "", [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] rmdir("./131" [pid 5829] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./132", 0777) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6513 attached , child_tidptr=0x555567654750) = 6513 [pid 6513] set_robust_list(0x555567654760, 24) = 0 [pid 6513] chdir("./132") = 0 [pid 6513] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6513] setpgid(0, 0) = 0 [pid 6513] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6513] write(3, "1000", 4 [pid 6512] <... mount resumed>) = 0 [pid 5833] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6513] <... write resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6512] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6511] <... sync resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6512] <... openat resumed>) = 3 [pid 6511] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6513] close(3 [pid 6512] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6511] <... exit_group resumed>) = ? [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6513] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6511] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6513] symlink("/dev/binderfs", "./binderfs" [pid 6512] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6511, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5829] newfstatat(4, "", [pid 6513] <... symlink resumed>) = 0 [pid 6512] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6512] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4executing program [pid 6512] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... close resumed>) = 0 [pid 5832] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 6513] write(1, "executing program\n", 18) = 18 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] <... mknod resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6512] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6513] memfd_create("syzkaller", 0 [pid 5833] getdents64(4, [pid 5832] <... openat resumed>) = 3 [pid 6513] <... memfd_create resumed>) = 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(3, "", [pid 5829] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6513] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6513] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./135/binderfs", [pid 5833] rmdir("./128/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6513] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] unlink("./135/binderfs") = 0 [pid 5829] getdents64(3, [pid 6512] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 5833] umount2("./128/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./135" [pid 5833] newfstatat(AT_FDCWD, "./128/binderfs", [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./128/binderfs" [pid 5829] mkdir("./136", 0777 [pid 6512] sync( [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] rmdir("./128" [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 5833] mkdir("./129", 0777 [pid 5832] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 6513] <... write resumed>) = 524288 [pid 6512] <... sync resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6512] exit_group(0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] newfstatat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6512] <... exit_group resumed>) = ? [pid 5833] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6514 attached [pid 6512] +++ exited with 0 +++ [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6514] set_robust_list(0x555567654760, 24 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6512, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6514] <... set_robust_list resumed>) = 0 [pid 5833] close(3 [pid 5832] openat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6514] chdir("./136" [pid 6513] munmap(0x7fa6be400000, 138412032 [pid 5833] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6514 [pid 6514] <... chdir resumed>) = 0 [pid 6514] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6513] <... munmap resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] newfstatat(4, "", [pid 6514] <... prctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6515 attached [pid 6514] setpgid(0, 0 [pid 6513] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6515] set_robust_list(0x555567654760, 24 [pid 6514] <... setpgid resumed>) = 0 [pid 6513] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6513] ioctl(4, LOOP_SET_FD, 3 [pid 5832] getdents64(4, [pid 6515] <... set_robust_list resumed>) = 0 [pid 6514] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... openat resumed>) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6515 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(3, "", [pid 5832] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6515] chdir("./129" [pid 6514] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5832] rmdir("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6515] <... chdir resumed>) = 0 [pid 6514] write(3, "1000", 4 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6515] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6514] <... write resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./131/binderfs", [pid 6515] <... prctl resumed>) = 0 [pid 6514] close(3 [pid 6513] <... ioctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6515] setpgid(0, 0 [pid 6514] <... close resumed>) = 0 [pid 5832] unlink("./131/binderfs" [pid 6513] close(3 [pid 6515] <... setpgid resumed>) = 0 [pid 6514] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... unlink resumed>) = 0 [pid 6515] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6514] <... symlink resumed>) = 0 [pid 5832] getdents64(3, [pid 6513] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6515] <... openat resumed>) = 3 executing program [pid 6514] write(1, "executing program\n", 18 [pid 6513] close(4 [pid 5832] close(3 [pid 6515] write(3, "1000", 4 [pid 6514] <... write resumed>) = 18 [pid 6513] <... close resumed>) = 0 [pid 6515] <... write resumed>) = 4 [pid 6513] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... close resumed>) = 0 [pid 6515] close(3 [pid 6514] memfd_create("syzkaller", 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6515] <... close resumed>) = 0 [pid 5832] rmdir("./131" [pid 6515] symlink("/dev/binderfs", "./binderfs" [pid 6514] <... memfd_create resumed>) = 3 [pid 6513] <... mkdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6515] <... symlink resumed>) = 0 [ 153.982621][ T6513] loop1: detected capacity change from 0 to 1024 [pid 6515] write(1, "executing program\n", 18 [pid 6514] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6513] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6514] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] mkdir("./132", 0777 [pid 6515] <... write resumed>) = 18 [pid 6515] memfd_create("syzkaller", 0 [pid 5832] <... mkdir resumed>) = 0 executing program [pid 6515] <... memfd_create resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6515] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6515] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 6514] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6513] <... mount resumed>) = 0 [pid 5832] close(3 [pid 5831] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6513] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6515] munmap(0x7fa6be400000, 138412032) = 0 [pid 6515] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6515] ioctl(4, LOOP_SET_FD, 3 [pid 6513] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6513] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] getdents64(4, [pid 6514] <... write resumed>) = 524288 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6513] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] getdents64(4, [pid 6515] <... ioctl resumed>) = 0 [pid 6513] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6516 attached [pid 6513] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] close(4 [pid 6514] munmap(0x7fa6be400000, 138412032 [pid 5831] <... close resumed>) = 0 [pid 6514] <... munmap resumed>) = 0 [pid 5831] rmdir("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6516] set_robust_list(0x555567654760, 24 [pid 6513] <... mknod resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6516] <... set_robust_list resumed>) = 0 [pid 6513] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6516 [pid 5831] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6516] chdir("./132" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./131/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6516] <... chdir resumed>) = 0 [pid 5831] unlink("./131/binderfs" [pid 6516] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6514] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 6515] close(3 [pid 6516] setpgid(0, 0 [pid 6514] <... openat resumed>) = 4 [pid 6513] <... link resumed>) = -1 ENOSPC (No space left on device) [ 154.108977][ T6515] loop4: detected capacity change from 0 to 1024 [pid 5831] getdents64(3, [pid 6516] <... setpgid resumed>) = 0 [pid 6514] ioctl(4, LOOP_SET_FD, 3 [pid 6513] sync( [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./131" [pid 6515] <... close resumed>) = 0 [pid 6515] close(4) = 0 [pid 6515] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6515] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6516] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... rmdir resumed>) = 0 [pid 6516] <... openat resumed>) = 3 [pid 5831] mkdir("./132", 0777 [pid 6516] write(3, "1000", 4) = 4 [pid 6514] <... ioctl resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6516] close(3) = 0 [pid 6514] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6516] symlink("/dev/binderfs", "./binderfs" [pid 6514] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6516] <... symlink resumed>) = 0 [pid 6514] close(4 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6516] write(1, "executing program\n", 18 [pid 6514] <... close resumed>) = 0 executing program [pid 6516] <... write resumed>) = 18 [pid 6514] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6516] memfd_create("syzkaller", 0 [pid 6514] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6516] <... memfd_create resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6517 ./strace-static-x86_64: Process 6517 attached [pid 6517] set_robust_list(0x555567654760, 24 [pid 6516] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6514] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6517] <... set_robust_list resumed>) = 0 [pid 6517] chdir("./132" [pid 6516] <... mmap resumed>) = 0x7fa6be400000 [pid 6517] <... chdir resumed>) = 0 [pid 6517] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6516] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6515] <... mount resumed>) = 0 [pid 6514] <... mount resumed>) = 0 [ 154.152147][ T6514] loop0: detected capacity change from 0 to 1024 [pid 6515] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6517] <... prctl resumed>) = 0 [pid 6515] <... openat resumed>) = 3 [pid 6514] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6517] setpgid(0, 0) = 0 [pid 6514] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6515] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6514] <... chdir resumed>) = 0 [pid 6515] <... chdir resumed>) = 0 [pid 6515] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6517] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6514] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6515] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6514] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6515] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6517] <... openat resumed>) = 3 [pid 6516] <... write resumed>) = 524288 [pid 6515] <... mknod resumed>) = 0 [pid 6514] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6513] <... sync resumed>) = 0 [pid 6515] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6517] write(3, "1000", 4 [pid 6513] exit_group(0 [pid 6516] munmap(0x7fa6be400000, 138412032 [pid 6517] <... write resumed>) = 4 [pid 6516] <... munmap resumed>) = 0 [pid 6514] <... mknod resumed>) = 0 [pid 6513] <... exit_group resumed>) = ? [pid 6515] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6515] sync( [pid 6513] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6513, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6517] close(3 [pid 6516] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6515] <... sync resumed>) = 0 [pid 6514] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6517] <... close resumed>) = 0 [pid 6516] <... openat resumed>) = 4 [pid 6515] exit_group(0) = ? [pid 6517] symlink("/dev/binderfs", "./binderfs" [pid 6516] ioctl(4, LOOP_SET_FD, 3 [pid 6515] +++ exited with 0 +++ [pid 5830] <... restart_syscall resumed>) = 0 [pid 6517] <... symlink resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6515, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./129", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./129", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 executing program [pid 6517] write(1, "executing program\n", 18 [pid 5833] newfstatat(3, "", [pid 5830] newfstatat(3, "", [pid 6517] <... write resumed>) = 18 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] getdents64(3, [pid 5833] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6517] memfd_create("syzkaller", 0) = 3 [pid 6517] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6514] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6517] <... mmap resumed>) = 0x7fa6be400000 [pid 6514] sync( [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6517] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6516] <... ioctl resumed>) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./132/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./132/binderfs" [pid 6516] close(3) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6516] close(4 [pid 5833] <... umount2 resumed>) = 0 [pid 6516] <... close resumed>) = 0 [pid 6516] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 5833] newfstatat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... close resumed>) = 0 [pid 6516] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./132" [pid 6516] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] umount2("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [ 154.276029][ T6516] loop3: detected capacity change from 0 to 1024 [pid 5833] newfstatat(4, "", [pid 5830] <... rmdir resumed>) = 0 [pid 6514] <... sync resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6517] <... write resumed>) = 524288 [pid 6517] munmap(0x7fa6be400000, 138412032 [pid 6514] exit_group(0 [pid 5833] getdents64(4, [pid 5830] mkdir("./133", 0777 [pid 6517] <... munmap resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6514] <... exit_group resumed>) = ? [pid 5830] <... mkdir resumed>) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./129/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] umount2("./129/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 6514] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] newfstatat(AT_FDCWD, "./129/binderfs", [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6514, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] unlink("./129/binderfs" [pid 5830] <... close resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6517] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... unlink resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6517] <... openat resumed>) = 4 [pid 6517] ioctl(4, LOOP_SET_FD, 3 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6518 attached [pid 5833] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6518 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./129") = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6518] set_robust_list(0x555567654760, 24 [pid 6516] <... mount resumed>) = 0 [pid 6518] <... set_robust_list resumed>) = 0 [pid 6516] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6518] chdir("./133" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6518] <... chdir resumed>) = 0 [pid 5833] mkdir("./130", 0777 [pid 5829] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6518] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6516] <... openat resumed>) = 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6518] <... prctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] newfstatat(3, "", [pid 6518] setpgid(0, 0 [pid 6516] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6518] <... setpgid resumed>) = 0 [pid 5829] getdents64(3, [pid 6518] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6516] <... chdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6518] <... openat resumed>) = 3 [pid 6516] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6518] write(3, "1000", 4) = 4 [pid 6518] close(3) = 0 [pid 6518] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6518] write(1, "executing program\n", 18) = 18 [pid 6518] memfd_create("syzkaller", 0 [pid 5833] <... ioctl resumed>) = 0 [pid 6516] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6516] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6518] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6519 attached [pid 6518] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6516] <... mknod resumed>) = 0 [pid 6519] set_robust_list(0x555567654760, 24 [pid 6516] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6517] <... ioctl resumed>) = 0 [pid 6517] close(3) = 0 [pid 6517] close(4 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6519 [pid 6517] <... close resumed>) = 0 [pid 6519] <... set_robust_list resumed>) = 0 [pid 6519] chdir("./130" [pid 6517] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6519] <... chdir resumed>) = 0 [pid 6519] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6519] setpgid(0, 0) = 0 [pid 6517] <... mkdir resumed>) = 0 [pid 6519] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6517] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6516] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6518] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6519] write(3, "1000", 4) = 4 [pid 5829] <... umount2 resumed>) = 0 executing program [pid 6519] close(3 [pid 6516] sync( [pid 5829] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6519] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6519] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6519] <... symlink resumed>) = 0 [pid 5829] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6519] write(1, "executing program\n", 18) = 18 [pid 5829] getdents64(4, [pid 6519] memfd_create("syzkaller", 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6519] <... memfd_create resumed>) = 3 [pid 5829] getdents64(4, [pid 6519] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6519] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] close(4) = 0 [ 154.370902][ T6517] loop2: detected capacity change from 0 to 1024 [pid 5829] rmdir("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6517] <... mount resumed>) = 0 [pid 6518] <... write resumed>) = 524288 [pid 6517] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6519] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6516] <... sync resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6517] <... openat resumed>) = 3 [pid 6517] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6516] exit_group(0 [pid 6517] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6516] <... exit_group resumed>) = ? [pid 5829] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6518] munmap(0x7fa6be400000, 138412032 [pid 6517] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6518] <... munmap resumed>) = 0 [pid 6516] +++ exited with 0 +++ [pid 5829] newfstatat(AT_FDCWD, "./136/binderfs", [pid 6517] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6516, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] unlink("./136/binderfs" [pid 6518] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... unlink resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6518] <... openat resumed>) = 4 [pid 5829] getdents64(3, [pid 6518] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6518] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] close(3 [pid 6518] ioctl(4, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 6518] <... ioctl resumed>) = 0 [pid 5829] rmdir("./136") = 0 [pid 5829] mkdir("./137", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6518] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6518] close(4 [pid 5829] <... ioctl resumed>) = 0 [pid 6518] <... close resumed>) = 0 [pid 6517] <... mknod resumed>) = 0 [pid 5832] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 6518] close(3 [pid 6517] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6519] <... write resumed>) = 524288 [pid 6517] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... openat resumed>) = 3 [pid 6519] munmap(0x7fa6be400000, 138412032) = 0 [pid 6518] <... close resumed>) = 0 [pid 6518] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6519] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6518] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6519] ioctl(4, LOOP_SET_FD, 3 [pid 6518] <... link resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6518] sync( [pid 6517] sync( [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6519] <... ioctl resumed>) = 0 [pid 6519] close(3) = 0 [pid 6519] close(4) = 0 [pid 6519] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6520 attached [pid 6519] <... mkdir resumed>) = 0 [pid 6518] <... sync resumed>) = 0 [pid 6517] <... sync resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6520 [pid 6517] exit_group(0 [pid 5832] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6517] <... exit_group resumed>) = ? [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6517] +++ exited with 0 +++ [pid 5832] newfstatat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6517, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] openat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6519] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6518] exit_group(0 [pid 5832] <... openat resumed>) = 4 [pid 6518] <... exit_group resumed>) = ? [pid 5832] newfstatat(4, "", [pid 6518] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6518, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] close(4 [pid 6520] set_robust_list(0x555567654760, 24 [pid 5832] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6520] <... set_robust_list resumed>) = 0 [pid 6519] <... mount resumed>) = 0 [pid 5832] rmdir("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6520] chdir("./137" [pid 6519] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6519] <... openat resumed>) = 3 [pid 5832] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 6520] <... chdir resumed>) = 0 [pid 6519] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... restart_syscall resumed>) = 0 [pid 6520] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6519] <... chdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./132/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6520] <... prctl resumed>) = 0 [pid 6519] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6520] setpgid(0, 0 [pid 6519] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] unlink("./132/binderfs" [pid 5831] getdents64(3, [pid 6520] <... setpgid resumed>) = 0 [pid 6519] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... unlink resumed>) = 0 [pid 6520] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6519] <... mknod resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6520] <... openat resumed>) = 3 [pid 6519] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 154.502892][ T6519] loop4: detected capacity change from 0 to 1024 [pid 5832] close(3) = 0 [pid 5830] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6520] write(3, "1000", 4 [pid 5832] rmdir("./132" [pid 5830] <... openat resumed>) = 3 [pid 6520] <... write resumed>) = 4 [pid 6519] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6520] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 6520] <... close resumed>) = 0 [pid 6519] sync( [pid 6520] symlink("/dev/binderfs", "./binderfs" [pid 5832] mkdir("./133", 0777 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6520] <... symlink resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5830] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6520] write(1, "executing program\n", 18 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6520] <... write resumed>) = 18 [pid 5830] newfstatat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6520] memfd_create("syzkaller", 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6520] <... memfd_create resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5830] unlink("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6520] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] close(3 [pid 6520] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6520] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6519] <... sync resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6519] exit_group(0 [pid 5831] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6519] <... exit_group resumed>) = ? [pid 6519] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] newfstatat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6519, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6521 attached [pid 6520] <... write resumed>) = 524288 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6521 [pid 6521] set_robust_list(0x555567654760, 24 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6521] <... set_robust_list resumed>) = 0 [pid 6521] chdir("./133") = 0 [pid 6521] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6521] setpgid(0, 0) = 0 [pid 6521] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./133/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5833] umount2("./130", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./130", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program ) = 3 [pid 5831] newfstatat(4, "", [pid 5830] unlink("./133/binderfs" [pid 5833] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6521] write(3, "1000", 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5830] getdents64(3, [pid 6521] <... write resumed>) = 4 [pid 5833] getdents64(3, [pid 6521] close(3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6521] <... close resumed>) = 0 [pid 5833] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] close(3 [pid 6521] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6521] <... symlink resumed>) = 0 [pid 6521] write(1, "executing program\n", 18 [pid 6520] munmap(0x7fa6be400000, 138412032 [pid 6521] <... write resumed>) = 18 [pid 6520] <... munmap resumed>) = 0 [pid 6521] memfd_create("syzkaller", 0 [pid 6520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6521] <... memfd_create resumed>) = 3 [pid 6520] <... openat resumed>) = 4 [pid 6521] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6520] ioctl(4, LOOP_SET_FD, 3 [pid 6521] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] close(4 [pid 5830] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./133" [pid 5833] <... umount2 resumed>) = 0 [pid 5831] rmdir("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... rmdir resumed>) = 0 [pid 6521] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] mkdir("./134", 0777 [pid 5831] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... mkdir resumed>) = 0 [pid 5833] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./132/binderfs", [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6521] <... write resumed>) = 524288 [pid 5833] newfstatat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] unlink("./132/binderfs" [pid 5830] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] umount2("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] getdents64(3, [pid 5830] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", [pid 6520] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6520] close(3 [pid 5833] <... close resumed>) = 0 [pid 6520] <... close resumed>) = 0 [pid 5833] rmdir("./130/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6520] close(4 [pid 5833] <... rmdir resumed>) = 0 [pid 6520] <... close resumed>) = 0 [pid 5833] umount2("./130/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6520] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6520] <... mkdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./130/binderfs", [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] unlink("./130/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3./strace-static-x86_64: Process 6522 attached [pid 6520] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... close resumed>) = 0 [pid 6522] set_robust_list(0x555567654760, 24 [pid 5833] rmdir("./130" [pid 5831] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6522 [ 154.643602][ T6520] loop0: detected capacity change from 0 to 1024 [pid 6522] <... set_robust_list resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6521] munmap(0x7fa6be400000, 138412032) = 0 [pid 6522] chdir("./134" [pid 6521] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] mkdir("./131", 0777 [pid 5831] rmdir("./132" [pid 6522] <... chdir resumed>) = 0 [pid 6521] <... openat resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6521] ioctl(4, LOOP_SET_FD, 3 [pid 6522] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] mkdir("./133", 0777 [pid 6522] <... prctl resumed>) = 0 [pid 6520] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... mkdir resumed>) = 0 [pid 6522] setpgid(0, 0 [pid 6520] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6522] <... setpgid resumed>) = 0 [pid 6520] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 3 [pid 6522] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6520] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... ioctl resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6520] <... chdir resumed>) = 0 [pid 5833] close(3 [pid 6520] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 6520] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6523 attached [pid 6520] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6523 [pid 6523] set_robust_list(0x555567654760, 24 [pid 6522] <... openat resumed>) = 3 [pid 5831] <... ioctl resumed>) = 0 [pid 6523] <... set_robust_list resumed>) = 0 [pid 6522] write(3, "1000", 4 [pid 6520] <... mknod resumed>) = 0 [pid 5831] close(3 [pid 6523] chdir("./131" [pid 6520] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6523] <... chdir resumed>) = 0 [pid 6523] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6523] setpgid(0, 0) = 0 [pid 6523] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6522] <... write resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 6522] close(3 [pid 6523] <... openat resumed>) = 3 [pid 6522] <... close resumed>) = 0 [pid 6521] <... ioctl resumed>) = 0 [pid 6520] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6520] sync( [pid 6523] write(3, "1000", 4 [pid 6522] symlink("/dev/binderfs", "./binderfs" [pid 6521] close(3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6523] <... write resumed>) = 4 [pid 6521] <... close resumed>) = 0 [pid 6523] close(3) = 0 [pid 6523] symlink("/dev/binderfs", "./binderfs" [pid 6521] close(4) = 0 [pid 6521] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777./strace-static-x86_64: Process 6524 attached ) = 0 [pid 6523] <... symlink resumed>) = 0 [pid 6521] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6524] set_robust_list(0x555567654760, 24 [pid 6523] write(1, "executing program\n", 18executing program [pid 6522] <... symlink resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6524 [pid 6524] <... set_robust_list resumed>) = 0 [pid 6523] <... write resumed>) = 18 [pid 6522] write(1, "executing program\n", 18executing program [pid 6524] chdir("./133" [pid 6523] memfd_create("syzkaller", 0 [pid 6522] <... write resumed>) = 18 [pid 6524] <... chdir resumed>) = 0 [pid 6523] <... memfd_create resumed>) = 3 [pid 6524] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6523] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6522] memfd_create("syzkaller", 0 [pid 6521] <... mount resumed>) = 0 [pid 6523] <... mmap resumed>) = 0x7fa6be400000 [pid 6524] <... prctl resumed>) = 0 [pid 6523] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6522] <... memfd_create resumed>) = 3 [pid 6521] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6520] <... sync resumed>) = 0 [pid 6522] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6524] setpgid(0, 0) = 0 [pid 6522] <... mmap resumed>) = 0x7fa6be400000 [pid 6521] <... openat resumed>) = 3 [pid 6520] exit_group(0) = ? [ 154.711809][ T6521] loop3: detected capacity change from 0 to 1024 [pid 6524] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6520] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6520, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6521] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6524] <... openat resumed>) = 3 [pid 6521] <... chdir resumed>) = 0 [pid 6524] write(3, "1000", 4 [pid 6521] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... restart_syscall resumed>) = 0 [pid 6524] <... write resumed>) = 4 [pid 6524] close(3 [pid 6521] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6524] <... close resumed>) = 0 [pid 6524] symlink("/dev/binderfs", "./binderfs" [pid 6521] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6524] <... symlink resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORYexecuting program [pid 6524] write(1, "executing program\n", 18 [pid 5829] <... openat resumed>) = 3 [pid 6524] <... write resumed>) = 18 [pid 5829] newfstatat(3, "", [pid 6524] memfd_create("syzkaller", 0 [pid 6522] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6524] <... memfd_create resumed>) = 3 [pid 6524] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6521] <... mknod resumed>) = 0 [pid 6521] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6522] <... write resumed>) = 524288 [pid 6524] <... mmap resumed>) = 0x7fa6be400000 [pid 6521] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6521] sync( [pid 6523] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6524] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] openat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6523] munmap(0x7fa6be400000, 138412032) = 0 [pid 6522] munmap(0x7fa6be400000, 138412032 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6523] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6523] <... openat resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6523] ioctl(4, LOOP_SET_FD, 3 [pid 6521] <... sync resumed>) = 0 [pid 5829] rmdir("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6524] <... write resumed>) = 524288 [pid 6522] <... munmap resumed>) = 0 [pid 6522] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5829] <... rmdir resumed>) = 0 [pid 6522] ioctl(4, LOOP_SET_FD, 3 [pid 6521] exit_group(0 [pid 5829] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./137/binderfs", [pid 6521] <... exit_group resumed>) = ? [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./137/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6521] +++ exited with 0 +++ [pid 5829] close(3) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6521, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] rmdir("./137" [pid 6522] <... ioctl resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./138", 0777 [pid 6524] munmap(0x7fa6be400000, 138412032 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6524] <... munmap resumed>) = 0 [pid 6523] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6524] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6522] close(3 [pid 6524] <... openat resumed>) = 4 [pid 6524] ioctl(4, LOOP_SET_FD, 3 [pid 6522] <... close resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 6524] <... ioctl resumed>) = 0 [pid 6523] close(3 [pid 6522] close(4 [pid 5829] <... close resumed>) = 0 [pid 6522] <... close resumed>) = 0 [pid 5832] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6523] <... close resumed>) = 0 [pid 6522] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6524] close(3 [pid 6523] close(4 [pid 6522] <... mkdir resumed>) = 0 [pid 6524] <... close resumed>) = 0 [pid 6522] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6524] close(4./strace-static-x86_64: Process 6525 attached ) = 0 [pid 5832] newfstatat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6524] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 6524] <... mkdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6525] set_robust_list(0x555567654760, 24 [pid 6524] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6523] <... close resumed>) = 0 [pid 5832] close(4 [pid 6522] <... mount resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6525 [pid 6522] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] rmdir("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6522] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6522] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6523] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6522] <... chdir resumed>) = 0 [pid 6525] <... set_robust_list resumed>) = 0 [pid 6523] <... mkdir resumed>) = 0 [pid 5832] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6525] chdir("./138" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6525] <... chdir resumed>) = 0 [pid 6523] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] newfstatat(AT_FDCWD, "./133/binderfs", [pid 6525] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./133/binderfs") = 0 [pid 6525] <... prctl resumed>) = 0 [pid 6525] setpgid(0, 0 [ 154.829617][ T6523] loop4: detected capacity change from 0 to 1024 [ 154.850060][ T6522] loop1: detected capacity change from 0 to 1024 [ 154.868659][ T6524] loop2: detected capacity change from 0 to 1024 [pid 6522] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] getdents64(3, [pid 6522] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6525] <... setpgid resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6525] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6522] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] close(3 [pid 6525] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 6525] write(3, "1000", 4 [pid 6522] <... mknod resumed>) = 0 [pid 5832] rmdir("./133" [pid 6525] <... write resumed>) = 4 [pid 6523] <... mount resumed>) = 0 [pid 6522] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 6525] close(3 [pid 6523] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6525] <... close resumed>) = 0 [pid 6523] <... openat resumed>) = 3 [pid 5832] mkdir("./134", 0777 [pid 6525] symlink("/dev/binderfs", "./binderfs" [pid 6524] <... mount resumed>) = 0 [pid 6523] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... mkdir resumed>) = 0 [pid 6525] <... symlink resumed>) = 0 [pid 6524] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6523] <... chdir resumed>) = 0 [pid 6523] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6524] <... openat resumed>) = 3 [pid 6523] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6525] write(1, "executing program\n", 18 [pid 6524] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6523] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6524] <... chdir resumed>) = 0 executing program [pid 6525] <... write resumed>) = 18 [pid 6524] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6522] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6524] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6522] sync( [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6524] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6525] memfd_create("syzkaller", 0 [pid 6523] <... mknod resumed>) = 0 [pid 6525] <... memfd_create resumed>) = 3 [pid 6524] <... mknod resumed>) = 0 [pid 6523] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6524] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6525] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6524] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... close resumed>) = 0 [pid 6524] sync( [pid 6525] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6523] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6523] sync(./strace-static-x86_64: Process 6526 attached [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6526 [pid 6526] set_robust_list(0x555567654760, 24) = 0 [pid 6526] chdir("./134") = 0 [pid 6526] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6526] setpgid(0, 0) = 0 [pid 6525] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6526] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6526] write(3, "1000", 4) = 4 [pid 6526] close(3) = 0 [pid 6526] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6526] write(1, "executing program\n", 18 [pid 6525] <... write resumed>) = 524288 [pid 6526] <... write resumed>) = 18 [pid 6526] memfd_create("syzkaller", 0 [pid 6524] <... sync resumed>) = 0 [pid 6524] exit_group(0 [pid 6523] <... sync resumed>) = 0 [pid 6522] <... sync resumed>) = 0 [pid 6526] <... memfd_create resumed>) = 3 [pid 6524] <... exit_group resumed>) = ? [pid 6522] exit_group(0 [pid 6526] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6525] munmap(0x7fa6be400000, 138412032) = 0 [pid 6525] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6524] +++ exited with 0 +++ [pid 6525] ioctl(4, LOOP_SET_FD, 3 [pid 6523] exit_group(0 [pid 6522] <... exit_group resumed>) = ? [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6524, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6523] <... exit_group resumed>) = ? [pid 6526] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6522] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6523] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6526] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6523, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] newfstatat(3, "", [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] getdents64(3, [pid 5831] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./131", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 6526] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] openat(AT_FDCWD, "./131", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6525] <... ioctl resumed>) = 0 [pid 6525] close(3) = 0 [pid 6525] close(4) = 0 [pid 6525] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6525] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6526] munmap(0x7fa6be400000, 138412032) = 0 [pid 5830] <... umount2 resumed>) = 0 [ 155.026537][ T6525] loop0: detected capacity change from 0 to 1024 [pid 6526] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6526] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] rmdir("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(AT_FDCWD, "./134/binderfs", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6526] <... ioctl resumed>) = 0 [pid 5833] umount2("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./134/binderfs" [pid 5831] openat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6526] close(3 [pid 6525] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 4 [pid 5830] <... unlink resumed>) = 0 [pid 6526] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 6526] close(4 [pid 6525] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 4 [pid 6526] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6526] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6525] <... openat resumed>) = 3 [pid 5833] newfstatat(4, "", [pid 5831] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6525] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] close(3 [pid 6525] <... chdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 6526] <... mkdir resumed>) = 0 [pid 5830] rmdir("./134" [pid 6525] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... rmdir resumed>) = 0 [pid 6525] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] getdents64(4, [pid 6525] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6526] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] getdents64(4, [pid 5831] close(4 [pid 5830] mkdir("./135", 0777 [pid 5831] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] close(4 [pid 5831] rmdir("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 6525] <... mknod resumed>) = 0 [pid 5833] rmdir("./131/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6525] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./133/binderfs", [pid 5830] <... openat resumed>) = 3 [pid 5833] umount2("./131/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 155.080709][ T6526] loop3: detected capacity change from 0 to 1024 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./133/binderfs" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] newfstatat(AT_FDCWD, "./131/binderfs", [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] close(3 [pid 5833] unlink("./131/binderfs" [pid 5831] getdents64(3, [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6527 attached [pid 5833] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 6527] set_robust_list(0x555567654760, 24 [pid 5833] <... close resumed>) = 0 [pid 5831] rmdir("./133" [pid 5833] rmdir("./131" [pid 6527] <... set_robust_list resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6527] chdir("./135" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6527 [pid 5833] mkdir("./132", 0777 [pid 5831] mkdir("./134", 0777 [pid 6527] <... chdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6527] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6527] setpgid(0, 0) = 0 [pid 6527] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... mkdir resumed>) = 0 [pid 6527] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 6527] write(3, "1000", 4 [pid 5833] close(3 [pid 6527] <... write resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 6527] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6527] <... close resumed>) = 0 ./strace-static-x86_64: Process 6528 attached [pid 6527] symlink("/dev/binderfs", "./binderfs" [pid 6526] <... mount resumed>) = 0 [pid 6525] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6528] set_robust_list(0x555567654760, 24 [pid 6527] <... symlink resumed>) = 0 [pid 6525] sync(executing program [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6528 [pid 6528] <... set_robust_list resumed>) = 0 [pid 6527] write(1, "executing program\n", 18 [pid 6526] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... openat resumed>) = 3 [pid 6528] chdir("./132" [pid 6527] <... write resumed>) = 18 [pid 6526] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6527] memfd_create("syzkaller", 0 [pid 6526] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... ioctl resumed>) = 0 [pid 6527] <... memfd_create resumed>) = 3 [pid 6526] <... chdir resumed>) = 0 [pid 5831] close(3 [pid 6527] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6526] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 6528] <... chdir resumed>) = 0 [pid 6527] <... mmap resumed>) = 0x7fa6be400000 [pid 6526] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6528] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6526] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6529 attached [pid 6528] <... prctl resumed>) = 0 [pid 6528] setpgid(0, 0) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6529 [pid 6529] set_robust_list(0x555567654760, 24 [pid 6528] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] <... set_robust_list resumed>) = 0 [pid 6529] chdir("./134" [pid 6528] <... openat resumed>) = 3 [pid 6527] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6526] <... mknod resumed>) = 0 [pid 6529] <... chdir resumed>) = 0 [pid 6528] write(3, "1000", 4 [pid 6529] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6528] <... write resumed>) = 4 [pid 6529] <... prctl resumed>) = 0 [pid 6528] close(3 [pid 6529] setpgid(0, 0 [pid 6528] <... close resumed>) = 0 [pid 6529] <... setpgid resumed>) = 0 [pid 6526] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6528] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6529] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6525] <... sync resumed>) = 0 [pid 6525] exit_group(0) = ? executing program [pid 6529] write(3, "1000", 4 [pid 6528] write(1, "executing program\n", 18 [pid 6525] +++ exited with 0 +++ executing program [pid 6529] <... write resumed>) = 4 [pid 6528] <... write resumed>) = 18 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6525, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 6529] close(3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6529] <... close resumed>) = 0 [pid 6529] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6529] write(1, "executing program\n", 18) = 18 [pid 6529] memfd_create("syzkaller", 0 [pid 6528] memfd_create("syzkaller", 0 [pid 6527] <... write resumed>) = 524288 [pid 6526] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... restart_syscall resumed>) = 0 [pid 6526] sync( [pid 6529] <... memfd_create resumed>) = 3 [pid 6528] <... memfd_create resumed>) = 3 [pid 6527] munmap(0x7fa6be400000, 138412032 [pid 6528] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6527] <... munmap resumed>) = 0 [pid 6528] <... mmap resumed>) = 0x7fa6be400000 [pid 6527] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6527] ioctl(4, LOOP_SET_FD, 3 [pid 5829] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6529] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6528] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6529] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... openat resumed>) = 3 [pid 6529] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] newfstatat(3, "", [pid 6528] <... write resumed>) = 524288 [pid 6527] <... ioctl resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6529] <... write resumed>) = 524288 [pid 6527] close(3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6527] <... close resumed>) = 0 [pid 6527] close(4) = 0 [pid 6527] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6527] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... umount2 resumed>) = 0 [pid 6528] munmap(0x7fa6be400000, 138412032 [pid 5829] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6528] <... munmap resumed>) = 0 [pid 6527] <... mount resumed>) = 0 [pid 5829] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6529] munmap(0x7fa6be400000, 138412032 [pid 6527] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6527] <... openat resumed>) = 3 [pid 6526] <... sync resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6526] exit_group(0) = ? [pid 6526] +++ exited with 0 +++ [pid 5829] <... openat resumed>) = 4 [pid 6529] <... munmap resumed>) = 0 [pid 6528] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6527] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] newfstatat(4, "", [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6529] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6528] <... openat resumed>) = 4 [pid 6527] <... chdir resumed>) = 0 [ 155.262096][ T6527] loop1: detected capacity change from 0 to 1024 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6529] <... openat resumed>) = 4 [pid 6528] ioctl(4, LOOP_SET_FD, 3 [pid 6527] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6529] ioctl(4, LOOP_SET_FD, 3 [pid 6527] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] getdents64(4, [pid 6529] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6529] ioctl(4, LOOP_CLR_FD [pid 6527] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6529] <... ioctl resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", [pid 5829] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6529] ioctl(4, LOOP_SET_FD, 3 [pid 5832] getdents64(3, [pid 5829] close(4 [pid 6529] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6527] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... close resumed>) = 0 [pid 5832] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6529] close(4 [pid 5829] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6527] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6528] <... ioctl resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./138/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6528] close(3 [pid 5829] unlink("./138/binderfs" [pid 6528] <... close resumed>) = 0 [pid 6528] close(4 [pid 5829] <... unlink resumed>) = 0 [pid 6528] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 6528] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6529] <... close resumed>) = 0 [pid 6528] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./138") = 0 [pid 5829] mkdir("./139", 0777) = 0 [pid 6529] close(3 [ 155.324641][ T6528] loop4: detected capacity change from 0 to 1024 [pid 6528] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6527] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6527] sync( [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6529] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", [pid 5829] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] getdents64(4, [pid 5829] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 ./strace-static-x86_64: Process 6530 attached [pid 5832] rmdir("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6529] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 5832] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6530] set_robust_list(0x555567654760, 24 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6530 [pid 6530] <... set_robust_list resumed>) = 0 [pid 6530] chdir("./139" [pid 6529] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] newfstatat(AT_FDCWD, "./134/binderfs", [pid 6529] <... link resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6530] <... chdir resumed>) = 0 [pid 6529] sync( [pid 5832] unlink("./134/binderfs") = 0 [pid 6530] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6530] setpgid(0, 0 [pid 5832] getdents64(3, [pid 6530] <... setpgid resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6530] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 6530] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./134") = 0 [pid 6530] write(3, "1000", 4 [pid 5832] mkdir("./135", 0777 [pid 6530] <... write resumed>) = 4 [pid 5832] <... mkdir resumed>) = 0 [pid 6530] close(3) = 0 [pid 6530] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6528] <... mount resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6530] write(1, "executing program\n", 18 [pid 6528] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 6528] <... openat resumed>) = 3 [pid 6528] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6528] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6530] <... write resumed>) = 18 [pid 6528] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6528] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6530] memfd_create("syzkaller", 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6530] <... memfd_create resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 6530] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] close(3 [pid 6530] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... close resumed>) = 0 [pid 6530] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6527] <... sync resumed>) = 0 ./strace-static-x86_64: Process 6531 attached [pid 6527] exit_group(0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6531 [pid 6531] set_robust_list(0x555567654760, 24 [pid 6528] <... mknod resumed>) = 0 [pid 6531] <... set_robust_list resumed>) = 0 [pid 6531] chdir("./135") = 0 [pid 6531] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6531] setpgid(0, 0) = 0 [pid 6529] <... sync resumed>) = 0 [pid 6528] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6527] <... exit_group resumed>) = ? [pid 6531] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6529] exit_group(0 [pid 6531] <... openat resumed>) = 3 [pid 6531] write(3, "1000", 4) = 4 [pid 6527] +++ exited with 0 +++ [pid 6531] close(3 [pid 6529] <... exit_group resumed>) = ? [pid 6531] <... close resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6527, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6531] symlink("/dev/binderfs", "./binderfs" [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6531] <... symlink resumed>) = 0 [pid 6528] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... restart_syscall resumed>) = 0 executing program [pid 6531] write(1, "executing program\n", 18 [pid 6528] sync( [pid 6531] <... write resumed>) = 18 [pid 6529] +++ exited with 0 +++ [pid 5830] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6531] memfd_create("syzkaller", 0 [pid 6530] <... write resumed>) = 524288 [pid 5830] newfstatat(3, "", [pid 6531] <... memfd_create resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6531] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] getdents64(3, [pid 6531] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6531] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6529, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6530] munmap(0x7fa6be400000, 138412032 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6530] <... munmap resumed>) = 0 [pid 6530] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6530] <... openat resumed>) = 4 [pid 6530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6530] ioctl(4, LOOP_CLR_FD [pid 6528] <... sync resumed>) = 0 [pid 5831] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6528] exit_group(0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6530] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6531] <... write resumed>) = 524288 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6530] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5830] openat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6530] close(4 [pid 6528] <... exit_group resumed>) = ? [pid 5831] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 4 [pid 6530] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(4, "", [pid 6530] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6530] <... close resumed>) = 0 [pid 6528] +++ exited with 0 +++ [pid 5831] newfstatat(3, "", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6528, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5831] getdents64(3, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5831] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] unlink("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6530] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... unlink resumed>) = 0 [pid 5830] rmdir("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6530] <... mknod resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6531] munmap(0x7fa6be400000, 138412032) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./134/binderfs", [pid 6531] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./132", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6531] <... openat resumed>) = 4 [pid 6530] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./134/binderfs" [pid 5830] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6531] ioctl(4, LOOP_SET_FD, 3 [pid 6530] <... link resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./132", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6530] sync( [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./135/binderfs", [pid 5833] newfstatat(3, "", [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5830] unlink("./135/binderfs" [pid 5833] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(3, [pid 5831] close(3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] close(3 [pid 5831] rmdir("./134" [pid 5833] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./135" [pid 5831] mkdir("./135", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./136", 0777 [pid 6530] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6531] <... ioctl resumed>) = 0 [pid 6530] exit_group(0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] <... openat resumed>) = 3 [pid 5833] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... ioctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] <... close resumed>) = 0 [pid 6530] <... exit_group resumed>) = ? [pid 5833] umount2("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] close(3 [pid 6530] +++ exited with 0 +++ [pid 5831] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(3, "", [pid 5833] openat(AT_FDCWD, "./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5829] getdents64(3, [pid 5833] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 ./strace-static-x86_64: Process 6532 attached [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6532 [pid 5829] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6533 attached [pid 5833] getdents64(4, [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6533 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6533] set_robust_list(0x555567654760, 24 [pid 5833] close(4 [pid 6533] <... set_robust_list resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6532] set_robust_list(0x555567654760, 24 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6532] <... set_robust_list resumed>) = 0 [pid 5833] rmdir("./132/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] unlink("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6532] chdir("./136" [pid 6531] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6531] <... close resumed>) = 0 [pid 5829] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6532] <... chdir resumed>) = 0 [pid 6531] close(4 [pid 5833] umount2("./132/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6533] chdir("./135" [pid 6531] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6533] <... chdir resumed>) = 0 [pid 6531] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] newfstatat(AT_FDCWD, "./132/binderfs", [pid 6533] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6531] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6533] <... prctl resumed>) = 0 [pid 6533] setpgid(0, 0 [pid 6532] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] unlink("./132/binderfs" [pid 5829] unlink("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6533] <... setpgid resumed>) = 0 [pid 6532] <... prctl resumed>) = 0 [pid 6531] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... unlink resumed>) = 0 [pid 6533] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6532] setpgid(0, 0 [pid 5829] <... unlink resumed>) = 0 [pid 6532] <... setpgid resumed>) = 0 [pid 5833] getdents64(3, [pid 6533] <... openat resumed>) = 3 [pid 5829] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6533] write(3, "1000", 4 [pid 6532] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6533] <... write resumed>) = 4 [pid 6532] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5829] newfstatat(AT_FDCWD, "./139/binderfs", [pid 6533] close(3 [pid 5833] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 155.588452][ T6531] loop3: detected capacity change from 0 to 1024 [pid 6532] write(3, "1000", 4) = 4 [pid 5833] rmdir("./132" [pid 5829] unlink("./139/binderfs" [pid 6532] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6532] <... close resumed>) = 0 [pid 5833] mkdir("./133", 0777 [pid 5829] getdents64(3, [pid 6532] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6532] <... symlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] close(3executing program [pid 5833] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 6532] write(1, "executing program\n", 18 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] rmdir("./139" [pid 6532] <... write resumed>) = 18 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6532] memfd_create("syzkaller", 0 [pid 5833] close(3 [pid 5829] mkdir("./140", 0777 [pid 6533] <... close resumed>) = 0 [pid 6532] <... memfd_create resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6533] symlink("/dev/binderfs", "./binderfs" [pid 6532] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6532] <... mmap resumed>) = 0x7fa6be400000 [pid 6533] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6534 attached [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6534] set_robust_list(0x555567654760, 24 [pid 6533] write(1, "executing program\n", 18 [pid 6531] <... mount resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FDexecuting program [pid 6533] <... write resumed>) = 18 [pid 6531] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6534] <... set_robust_list resumed>) = 0 [pid 5829] close(3) = 0 [pid 6533] memfd_create("syzkaller", 0 [pid 6534] chdir("./133" [pid 6531] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6534] <... chdir resumed>) = 0 [pid 6533] <... memfd_create resumed>) = 3 [pid 6531] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6534 [pid 6531] <... chdir resumed>) = 0 [pid 6531] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6532] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6531] <... openat resumed>) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6535 attached [pid 6531] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6535] set_robust_list(0x555567654760, 24 [pid 6534] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6533] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6535 [pid 6535] <... set_robust_list resumed>) = 0 [pid 6535] chdir("./140") = 0 [pid 6534] <... prctl resumed>) = 0 [pid 6533] <... mmap resumed>) = 0x7fa6be400000 [pid 6535] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6532] <... write resumed>) = 524288 [pid 6535] <... prctl resumed>) = 0 [pid 6534] setpgid(0, 0 [pid 6531] <... mknod resumed>) = 0 [pid 6535] setpgid(0, 0 [pid 6534] <... setpgid resumed>) = 0 [pid 6531] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6535] <... setpgid resumed>) = 0 [pid 6534] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6533] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6534] <... openat resumed>) = 3 [pid 6535] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6534] write(3, "1000", 4) = 4 [pid 6535] <... openat resumed>) = 3 [pid 6535] write(3, "1000", 4) = 4 [pid 6535] close(3) = 0 [pid 6535] symlink("/dev/binderfs", "./binderfs" [pid 6532] munmap(0x7fa6be400000, 138412032 [pid 6535] <... symlink resumed>) = 0 [pid 6534] close(3 [pid 6532] <... munmap resumed>) = 0 executing program [pid 6535] write(1, "executing program\n", 18 [pid 6534] <... close resumed>) = 0 [pid 6532] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6531] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6534] symlink("/dev/binderfs", "./binderfs" [pid 6535] <... write resumed>) = 18 [pid 6532] <... openat resumed>) = 4 [pid 6531] sync(executing program [pid 6535] memfd_create("syzkaller", 0 [pid 6534] <... symlink resumed>) = 0 [pid 6532] ioctl(4, LOOP_SET_FD, 3 [pid 6534] write(1, "executing program\n", 18) = 18 [pid 6535] <... memfd_create resumed>) = 3 [pid 6534] memfd_create("syzkaller", 0 [pid 6535] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6534] <... memfd_create resumed>) = 3 [pid 6534] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6535] <... mmap resumed>) = 0x7fa6be400000 [pid 6534] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6535] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6532] <... ioctl resumed>) = 0 [pid 6532] close(3) = 0 [pid 6532] close(4 [pid 6535] <... write resumed>) = 524288 [pid 6533] <... write resumed>) = 524288 [pid 6532] <... close resumed>) = 0 [pid 6531] <... sync resumed>) = 0 [pid 6531] exit_group(0) = ? [pid 6532] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6535] munmap(0x7fa6be400000, 138412032 [pid 6533] munmap(0x7fa6be400000, 138412032 [pid 6535] <... munmap resumed>) = 0 [pid 6534] <... write resumed>) = 524288 [pid 6533] <... munmap resumed>) = 0 [pid 6533] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6532] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6534] munmap(0x7fa6be400000, 138412032 [pid 6533] <... openat resumed>) = 4 [pid 6531] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6531, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [ 155.728387][ T6532] loop1: detected capacity change from 0 to 1024 [pid 6535] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6534] <... munmap resumed>) = 0 [pid 6533] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6535] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6535] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... openat resumed>) = 3 [pid 6534] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] newfstatat(3, "", [pid 6534] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6534] ioctl(4, LOOP_SET_FD, 3 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6532] <... mount resumed>) = 0 [pid 6532] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6532] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6532] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6532] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6533] <... ioctl resumed>) = 0 [pid 6534] <... ioctl resumed>) = 0 [pid 6532] <... mknod resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6534] close(3 [pid 6532] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6534] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6534] close(4 [pid 5832] newfstatat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6534] <... close resumed>) = 0 [pid 6533] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6534] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6533] <... close resumed>) = 0 [pid 5832] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6535] <... ioctl resumed>) = 0 [pid 6534] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6533] close(4 [pid 6532] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] openat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6534] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6533] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6533] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6532] sync( [pid 5832] newfstatat(4, "", [pid 6535] close(3 [pid 6533] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6535] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6535] close(4 [pid 6533] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6535] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6535] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 6535] <... mkdir resumed>) = 0 [pid 5832] rmdir("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6535] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./135/binderfs", [pid 6534] <... mount resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6534] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] unlink("./135/binderfs" [pid 6534] <... openat resumed>) = 3 [pid 5832] <... unlink resumed>) = 0 [ 155.787458][ T6533] loop2: detected capacity change from 0 to 1024 [ 155.790648][ T6535] loop0: detected capacity change from 0 to 1024 [ 155.808255][ T6534] loop4: detected capacity change from 0 to 1024 [pid 6534] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6534] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] close(3 [pid 6534] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./135") = 0 [pid 5832] mkdir("./136", 0777 [pid 6535] <... mount resumed>) = 0 [pid 6534] <... mknod resumed>) = 0 [pid 6533] <... mount resumed>) = 0 [pid 6534] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6535] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6533] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6535] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6533] <... openat resumed>) = 3 [pid 6535] <... chdir resumed>) = 0 [pid 6533] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... mkdir resumed>) = 0 [pid 6535] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6533] <... chdir resumed>) = 0 [pid 6535] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6533] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6533] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6534] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6535] <... mknod resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6535] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6534] sync( [pid 6533] <... mknod resumed>) = 0 [pid 6533] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6536 attached [pid 6536] set_robust_list(0x555567654760, 24) = 0 [pid 6533] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6536 [pid 6536] chdir("./136" [pid 6535] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6533] sync( [pid 6532] <... sync resumed>) = 0 [pid 6536] <... chdir resumed>) = 0 [pid 6535] sync( [pid 6536] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6532] exit_group(0 [pid 6536] <... prctl resumed>) = 0 [pid 6532] <... exit_group resumed>) = ? [pid 6536] setpgid(0, 0) = 0 [pid 6536] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6536] write(3, "1000", 4) = 4 [pid 6532] +++ exited with 0 +++ [pid 6535] <... sync resumed>) = 0 [pid 6534] <... sync resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6532, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6533] <... sync resumed>) = 0 [pid 6534] exit_group(0 [pid 5830] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6533] exit_group(0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6536] close(3 [pid 6533] <... exit_group resumed>) = ? [pid 5830] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6536] <... close resumed>) = 0 [pid 6535] exit_group(0 [pid 6534] <... exit_group resumed>) = ? [pid 5830] <... openat resumed>) = 3 [pid 6535] <... exit_group resumed>) = ? [pid 6536] symlink("/dev/binderfs", "./binderfs" [pid 5830] newfstatat(3, "", [pid 6536] <... symlink resumed>) = 0 [pid 6535] +++ exited with 0 +++ [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6533] +++ exited with 0 +++ [pid 5830] getdents64(3, [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6535, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6533, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 executing program [pid 6536] write(1, "executing program\n", 18 [pid 5830] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6536] <... write resumed>) = 18 [pid 6534] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 6536] memfd_create("syzkaller", 0) = 3 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6534, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6536] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5831] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5833] umount2("./133", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6536] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "./133", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5833] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 5830] newfstatat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", [pid 5830] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5830] getdents64(4, [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6536] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] close(4 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6536] munmap(0x7fa6be400000, 138412032 [pid 5830] <... rmdir resumed>) = 0 [pid 6536] <... munmap resumed>) = 0 [pid 5833] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6536] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6536] <... openat resumed>) = 4 [pid 6536] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6536] <... ioctl resumed>) = 0 [pid 5833] umount2("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./136/binderfs", [pid 5829] newfstatat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 4 [pid 5830] unlink("./136/binderfs" [pid 5829] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5833] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(3, [pid 5829] openat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, [pid 5831] getdents64(4, [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5831] close(4 [pid 5833] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] rmdir("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] close(3 [pid 5829] newfstatat(4, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] rmdir("./136" [pid 5829] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] rmdir("./133/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] mkdir("./137", 0777 [pid 5829] getdents64(4, [pid 5831] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(AT_FDCWD, "./135/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(4 [pid 5833] umount2("./133/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./135/binderfs" [pid 5829] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./133/binderfs", [pid 5831] <... unlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 5829] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./133/binderfs" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./140/binderfs", [pid 5833] getdents64(3, [pid 5831] close(3 [pid 5830] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./140/binderfs" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6537 attached [pid 6536] close(3 [pid 5833] close(3 [pid 5831] rmdir("./135" [pid 5829] getdents64(3, [pid 6536] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6536] close(4 [pid 5833] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 6536] <... close resumed>) = 0 [pid 5833] rmdir("./133" [pid 6537] set_robust_list(0x555567654760, 24 [pid 6536] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] mkdir("./136", 0777 [pid 5829] <... close resumed>) = 0 [pid 6536] <... mkdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6537 [pid 5829] rmdir("./140" [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6537] <... set_robust_list resumed>) = 0 [pid 6536] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6537] chdir("./137" [pid 5833] mkdir("./134", 0777 [pid 5831] <... mkdir resumed>) = 0 [pid 6537] <... chdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6537] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] mkdir("./141", 0777 [pid 6537] <... prctl resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6537] setpgid(0, 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 6537] <... setpgid resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6537] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6537] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5831] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [ 156.070634][ T6536] loop3: detected capacity change from 0 to 1024 [pid 5829] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6538 attached [pid 6537] write(3, "1000", 4 [pid 5829] <... close resumed>) = 0 [pid 6536] <... mount resumed>) = 0 [pid 6536] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6538] set_robust_list(0x555567654760, 24 [pid 6537] <... write resumed>) = 4 [pid 6536] <... openat resumed>) = 3 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6538 [pid 6536] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6536] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6536] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6537] close(3 [pid 6538] <... set_robust_list resumed>) = 0 [pid 6537] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6538] chdir("./134" [pid 6537] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 6539 attached [pid 6537] <... symlink resumed>) = 0 [pid 6536] <... mknod resumed>) = 0 [pid 6536] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6538] <... chdir resumed>) = 0 [pid 6537] write(1, "executing program\n", 18 [pid 6539] set_robust_list(0x555567654760, 24executing program ) = 0 [pid 6539] chdir("./141" [pid 6538] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6537] <... write resumed>) = 18 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6539 [pid 6539] <... chdir resumed>) = 0 [pid 6539] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6538] <... prctl resumed>) = 0 [pid 6537] memfd_create("syzkaller", 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6537] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6540 attached [pid 6539] setpgid(0, 0 [pid 6538] setpgid(0, 0 [pid 6537] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6540] set_robust_list(0x555567654760, 24 [pid 6538] <... setpgid resumed>) = 0 [pid 6537] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6540 [pid 6540] <... set_robust_list resumed>) = 0 [pid 6540] chdir("./136" [pid 6539] <... setpgid resumed>) = 0 [pid 6538] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6539] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6536] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6539] write(3, "1000", 4 [pid 6536] sync( [pid 6539] <... write resumed>) = 4 [pid 6538] <... openat resumed>) = 3 [pid 6537] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6540] <... chdir resumed>) = 0 [pid 6540] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6539] close(3 [pid 6538] write(3, "1000", 4 [pid 6540] <... prctl resumed>) = 0 [pid 6539] <... close resumed>) = 0 [pid 6539] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6539] write(1, "executing program\n", 18) = 18 [pid 6539] memfd_create("syzkaller", 0 [pid 6540] setpgid(0, 0 [pid 6539] <... memfd_create resumed>) = 3 [pid 6538] <... write resumed>) = 4 [pid 6540] <... setpgid resumed>) = 0 [pid 6538] close(3 [pid 6540] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6539] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6538] <... close resumed>) = 0 [pid 6538] symlink("/dev/binderfs", "./binderfs"executing program [pid 6540] <... openat resumed>) = 3 [pid 6539] <... mmap resumed>) = 0x7fa6be400000 [pid 6538] <... symlink resumed>) = 0 [pid 6540] write(3, "1000", 4 [pid 6538] write(1, "executing program\n", 18) = 18 [pid 6540] <... write resumed>) = 4 [pid 6540] close(3 [pid 6538] memfd_create("syzkaller", 0 [pid 6536] <... sync resumed>) = 0 [pid 6540] <... close resumed>) = 0 [pid 6536] exit_group(0) = ? [pid 6540] symlink("/dev/binderfs", "./binderfs" [pid 6538] <... memfd_create resumed>) = 3 [pid 6536] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6536, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6540] <... symlink resumed>) = 0 [pid 6538] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6540] write(1, "executing program\n", 18 [pid 6539] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6538] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6539] <... write resumed>) = 524288 [pid 6540] <... write resumed>) = 18 [pid 6538] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6537] <... write resumed>) = 524288 [pid 6539] munmap(0x7fa6be400000, 138412032 [pid 6537] munmap(0x7fa6be400000, 138412032 [pid 6539] <... munmap resumed>) = 0 [pid 6537] <... munmap resumed>) = 0 [pid 6539] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6537] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6540] memfd_create("syzkaller", 0) = 3 [pid 6539] <... openat resumed>) = 4 [pid 6537] <... openat resumed>) = 4 [pid 6540] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6540] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6538] <... write resumed>) = 524288 [pid 6537] ioctl(4, LOOP_SET_FD, 3 [pid 6539] ioctl(4, LOOP_SET_FD, 3 [pid 6538] munmap(0x7fa6be400000, 138412032) = 0 [pid 6538] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... umount2 resumed>) = 0 [pid 6539] <... ioctl resumed>) = 0 [pid 6538] <... openat resumed>) = 4 [pid 6538] ioctl(4, LOOP_SET_FD, 3 [pid 5832] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] <... write resumed>) = 524288 [pid 6539] close(3 [pid 6537] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6539] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6540] munmap(0x7fa6be400000, 138412032 [pid 6539] close(4 [pid 6537] close(3 [pid 5832] <... openat resumed>) = 4 [pid 6540] <... munmap resumed>) = 0 [pid 6539] <... close resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 6539] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6539] <... mkdir resumed>) = 0 [pid 6537] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6537] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6540] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6537] <... close resumed>) = 0 [pid 6540] <... openat resumed>) = 4 [pid 6539] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6537] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] getdents64(4, [pid 6540] ioctl(4, LOOP_SET_FD, 3 [pid 6537] <... mkdir resumed>) = 0 [ 156.245715][ T6539] loop0: detected capacity change from 0 to 1024 [ 156.254487][ T6537] loop1: detected capacity change from 0 to 1024 [ 156.285778][ T6538] loop4: detected capacity change from 0 to 1024 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6537] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] close(4) = 0 [pid 5832] rmdir("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6538] <... ioctl resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./136/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./136/binderfs" [pid 6538] close(3 [pid 5832] <... unlink resumed>) = 0 [pid 6538] <... close resumed>) = 0 [pid 6538] close(4) = 0 [pid 6538] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6537] <... mount resumed>) = 0 [pid 5832] getdents64(3, [pid 6537] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6537] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] close(3 [pid 6537] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6538] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6537] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... close resumed>) = 0 [pid 6540] <... ioctl resumed>) = 0 [pid 6539] <... mount resumed>) = 0 [pid 6537] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] rmdir("./136" [pid 6540] close(3 [pid 6539] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6540] <... close resumed>) = 0 [pid 6539] <... openat resumed>) = 3 [pid 6540] close(4 [pid 5832] <... rmdir resumed>) = 0 [pid 6540] <... close resumed>) = 0 [pid 6539] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6540] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6539] <... chdir resumed>) = 0 [pid 6540] <... mkdir resumed>) = 0 [pid 6539] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6539] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6540] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] mkdir("./137", 0777 [pid 6539] <... mknod resumed>) = 0 [pid 6537] <... mknod resumed>) = 0 [pid 6537] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... mkdir resumed>) = 0 [ 156.303071][ T6540] loop2: detected capacity change from 0 to 1024 [pid 6539] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6537] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6537] sync( [pid 6540] <... mount resumed>) = 0 [pid 6540] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... close resumed>) = 0 [pid 6539] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6540] <... openat resumed>) = 3 [pid 6539] sync( [pid 6540] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6540] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6540] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6538] <... mount resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6540] <... mknod resumed>) = 0 ./strace-static-x86_64: Process 6541 attached [pid 6540] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6538] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6541] set_robust_list(0x555567654760, 24) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6541 [pid 6541] chdir("./137" [pid 6538] <... openat resumed>) = 3 [pid 6541] <... chdir resumed>) = 0 [pid 6538] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6541] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6538] <... chdir resumed>) = 0 [pid 6541] <... prctl resumed>) = 0 [pid 6541] setpgid(0, 0 [pid 6538] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6541] <... setpgid resumed>) = 0 [pid 6538] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6541] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6538] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6541] <... openat resumed>) = 3 [pid 6541] write(3, "1000", 4) = 4 [pid 6540] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6541] close(3 [pid 6540] sync( [pid 6541] <... close resumed>) = 0 [pid 6538] <... mknod resumed>) = 0 [pid 6541] symlink("/dev/binderfs", "./binderfs" [pid 6538] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6541] <... symlink resumed>) = 0 [pid 6537] <... sync resumed>) = 0 [pid 6539] <... sync resumed>) = 0 [pid 6537] exit_group(0executing program [pid 6541] write(1, "executing program\n", 18 [pid 6539] exit_group(0 [pid 6537] <... exit_group resumed>) = ? [pid 6539] <... exit_group resumed>) = ? [pid 6541] <... write resumed>) = 18 [pid 6539] +++ exited with 0 +++ [pid 6537] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6537, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6539, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6541] memfd_create("syzkaller", 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6541] <... memfd_create resumed>) = 3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6541] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6541] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6538] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6538] sync( [pid 5830] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(3, "", [pid 5829] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(3, "", [pid 5830] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6540] <... sync resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6540] exit_group(0 [pid 5830] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] <... exit_group resumed>) = ? [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6540] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6540, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6538] <... sync resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6538] exit_group(0 [pid 5831] <... openat resumed>) = 3 [pid 6538] <... exit_group resumed>) = ? [pid 5831] newfstatat(3, "", [pid 6538] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6538, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6541] <... write resumed>) = 524288 [pid 5831] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 6541] munmap(0x7fa6be400000, 138412032 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6541] <... munmap resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5829] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6541] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... umount2 resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5829] openat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5830] rmdir("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] newfstatat(4, "", [pid 6541] <... openat resumed>) = 4 [pid 5831] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6541] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./134", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(AT_FDCWD, "./137/binderfs", [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./137/binderfs") = 0 [pid 5830] getdents64(3, [pid 5829] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./141/binderfs", [pid 5830] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./141/binderfs" [pid 5833] openat(AT_FDCWD, "./134", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./137" [pid 5829] <... unlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5830] mkdir("./138", 0777 [pid 5829] <... close resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... mkdir resumed>) = 0 [pid 5829] rmdir("./141" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] openat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 5831] <... openat resumed>) = 4 [pid 5829] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] newfstatat(4, "", [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5830] <... ioctl resumed>) = 0 [pid 5829] mkdir("./142", 0777 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... mkdir resumed>) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5831] close(4 [pid 5830] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR./strace-static-x86_64: Process 6542 attached [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5831] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6542] set_robust_list(0x555567654760, 24 [pid 6541] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./136/binderfs", [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6542] <... set_robust_list resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6542] chdir("./138" [pid 6541] close(3 [pid 5831] unlink("./136/binderfs" [pid 5829] close(3 [pid 6541] <... close resumed>) = 0 [pid 5833] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6542 [pid 5829] <... close resumed>) = 0 [pid 6542] <... chdir resumed>) = 0 [pid 6541] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6542] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6541] <... close resumed>) = 0 [pid 6542] <... prctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6543 attached [pid 6542] setpgid(0, 0) = 0 [pid 6542] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6541] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 156.549105][ T6541] loop3: detected capacity change from 0 to 1024 [pid 5831] close(3 [pid 6543] set_robust_list(0x555567654760, 24 [pid 6542] <... openat resumed>) = 3 [pid 6541] <... mkdir resumed>) = 0 [pid 5833] umount2("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./136" [pid 6542] write(3, "1000", 4 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6543 [pid 6542] <... write resumed>) = 4 [pid 5831] <... rmdir resumed>) = 0 [pid 6543] <... set_robust_list resumed>) = 0 [pid 6541] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] mkdir("./137", 0777 [pid 5833] openat(AT_FDCWD, "./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6543] chdir("./142" [pid 6542] close(3 [pid 5833] <... openat resumed>) = 4 [pid 5831] <... mkdir resumed>) = 0 [pid 6542] <... close resumed>) = 0 [pid 6542] symlink("/dev/binderfs", "./binderfs"executing program [pid 6543] <... chdir resumed>) = 0 [pid 6542] <... symlink resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6542] write(1, "executing program\n", 18 [pid 6543] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6542] <... write resumed>) = 18 [pid 6541] <... mount resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6543] <... prctl resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6543] setpgid(0, 0 [pid 6542] memfd_create("syzkaller", 0 [pid 6541] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6543] <... setpgid resumed>) = 0 [pid 6541] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 6543] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6542] <... memfd_create resumed>) = 3 [pid 6541] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6541] <... chdir resumed>) = 0 [pid 5833] close(4./strace-static-x86_64: Process 6544 attached [pid 6543] <... openat resumed>) = 3 [pid 6542] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6541] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... close resumed>) = 0 [pid 6542] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] rmdir("./134/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6544] set_robust_list(0x555567654760, 24 [pid 6543] write(3, "1000", 4 [pid 6541] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6544 [pid 6544] <... set_robust_list resumed>) = 0 [pid 6543] <... write resumed>) = 4 [pid 6541] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] umount2("./134/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] chdir("./137" [pid 6543] close(3) = 0 [pid 6544] <... chdir resumed>) = 0 [pid 6543] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6543] <... symlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./134/binderfs", [pid 6542] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6544] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6543] write(1, "executing program\n", 18 executing program [pid 6541] <... mknod resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6543] <... write resumed>) = 18 [pid 6541] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6543] memfd_create("syzkaller", 0 [pid 6544] <... prctl resumed>) = 0 [pid 6543] <... memfd_create resumed>) = 3 [pid 5833] unlink("./134/binderfs" [pid 6544] setpgid(0, 0 [pid 6543] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5833] <... unlink resumed>) = 0 [pid 6544] <... setpgid resumed>) = 0 [pid 5833] getdents64(3, [pid 6544] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 6541] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6544] <... openat resumed>) = 3 [pid 6543] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6541] sync( [pid 5833] <... close resumed>) = 0 [pid 6542] <... write resumed>) = 524288 [pid 6542] munmap(0x7fa6be400000, 138412032 [pid 6544] write(3, "1000", 4 [pid 6542] <... munmap resumed>) = 0 [pid 5833] rmdir("./134" [pid 6542] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6544] <... write resumed>) = 4 [pid 6542] <... openat resumed>) = 4 [pid 5833] <... rmdir resumed>) = 0 [pid 6542] ioctl(4, LOOP_SET_FD, 3 [pid 6544] close(3) = 0 [pid 6544] symlink("/dev/binderfs", "./binderfs" [pid 5833] mkdir("./135", 0777) = 0 [pid 6544] <... symlink resumed>) = 0 [pid 6543] <... write resumed>) = 524288 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6544] write(1, "executing program\n", 18executing program ) = 18 [pid 5833] <... openat resumed>) = 3 [pid 6544] memfd_create("syzkaller", 0 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 6544] <... memfd_create resumed>) = 3 [pid 6543] munmap(0x7fa6be400000, 138412032 [pid 5833] close(3 [pid 6544] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6543] <... munmap resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6544] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6542] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6545 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6545 [pid 6545] set_robust_list(0x555567654760, 24 [pid 6542] close(3 [pid 6545] <... set_robust_list resumed>) = 0 [pid 6545] chdir("./135" [pid 6543] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6542] <... close resumed>) = 0 [pid 6545] <... chdir resumed>) = 0 [pid 6542] close(4 [pid 6545] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6543] <... openat resumed>) = 4 [pid 6542] <... close resumed>) = 0 [ 156.704197][ T6542] loop1: detected capacity change from 0 to 1024 [pid 6545] <... prctl resumed>) = 0 [pid 6543] ioctl(4, LOOP_SET_FD, 3 [pid 6542] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6545] setpgid(0, 0) = 0 [pid 6542] <... mkdir resumed>) = 0 [pid 6545] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6542] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6541] <... sync resumed>) = 0 [pid 6541] exit_group(0 [pid 6544] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6545] <... openat resumed>) = 3 [pid 6545] write(3, "1000", 4) = 4 executing program [pid 6545] close(3 [pid 6541] <... exit_group resumed>) = ? [pid 6545] <... close resumed>) = 0 [pid 6545] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6545] write(1, "executing program\n", 18) = 18 [pid 6545] memfd_create("syzkaller", 0) = 3 [pid 6541] +++ exited with 0 +++ [pid 6545] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6541, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6545] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6545] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6544] <... write resumed>) = 524288 [pid 6543] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6544] munmap(0x7fa6be400000, 138412032 [pid 6543] close(3 [pid 5832] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6543] <... close resumed>) = 0 [pid 6543] close(4) = 0 [pid 6542] <... mount resumed>) = 0 [pid 6543] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6544] <... munmap resumed>) = 0 [pid 6542] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6543] <... mkdir resumed>) = 0 [pid 6542] <... openat resumed>) = 3 [pid 6543] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6542] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6542] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [ 156.748084][ T6543] loop0: detected capacity change from 0 to 1024 [pid 6542] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6544] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6544] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6542] <... mknod resumed>) = 0 [pid 6545] <... write resumed>) = 524288 [pid 5832] newfstatat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6544] <... ioctl resumed>) = 0 [pid 6542] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6544] close(3 [pid 6543] <... mount resumed>) = 0 [pid 6544] <... close resumed>) = 0 [pid 5832] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6544] close(4 [pid 6545] munmap(0x7fa6be400000, 138412032 [pid 6544] <... close resumed>) = 0 [pid 6543] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6545] <... munmap resumed>) = 0 [pid 6544] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6543] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6545] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6544] <... mkdir resumed>) = 0 [pid 6543] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6542] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6543] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6544] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6543] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6545] <... openat resumed>) = 4 [pid 6543] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 156.799845][ T6544] loop2: detected capacity change from 0 to 1024 [pid 6545] ioctl(4, LOOP_SET_FD, 3 [pid 6542] sync( [pid 6543] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6543] <... mknod resumed>) = 0 [pid 5832] getdents64(4, [pid 6543] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6545] <... ioctl resumed>) = 0 [pid 6544] <... mount resumed>) = 0 [pid 6543] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... rmdir resumed>) = 0 [pid 6544] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6543] sync( [pid 5832] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6545] close(3 [pid 6544] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6544] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] newfstatat(AT_FDCWD, "./137/binderfs", [pid 6544] <... chdir resumed>) = 0 [pid 6545] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6545] close(4) = 0 [pid 6544] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] unlink("./137/binderfs" [pid 6545] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6544] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6544] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6544] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 6545] <... mkdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [ 156.842591][ T6545] loop4: detected capacity change from 0 to 1024 [pid 5832] rmdir("./137") = 0 [pid 6545] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] mkdir("./138", 0777 [pid 6544] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... mkdir resumed>) = 0 [pid 6544] sync( [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 6545] <... mount resumed>) = 0 [pid 6542] <... sync resumed>) = 0 [pid 6542] exit_group(0 [pid 6545] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6542] <... exit_group resumed>) = ? [pid 6543] <... sync resumed>) = 0 [pid 6542] +++ exited with 0 +++ [pid 5832] close(3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6542, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6545] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(3, [pid 6545] <... chdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6545] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6545] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... close resumed>) = 0 [pid 6545] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6543] exit_group(0) = ? [pid 6545] <... mknod resumed>) = 0 [pid 6545] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6543] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6543, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6546 ./strace-static-x86_64: Process 6546 attached [pid 6546] set_robust_list(0x555567654760, 24 [pid 6545] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6546] <... set_robust_list resumed>) = 0 [pid 6545] sync( [pid 6546] chdir("./138" [pid 6544] <... sync resumed>) = 0 [pid 6544] exit_group(0) = ? [pid 6546] <... chdir resumed>) = 0 [pid 5830] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6546] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6546] <... prctl resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6546] setpgid(0, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6546] <... setpgid resumed>) = 0 [pid 5830] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6546] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6546] <... openat resumed>) = 3 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6546] write(3, "1000", 4 [pid 6544] +++ exited with 0 +++ [pid 6546] <... write resumed>) = 4 [pid 6546] close(3) = 0 [pid 6546] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6544, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] getdents64(4, [pid 5831] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6546] write(1, "executing program\n", 18 [pid 5830] getdents64(4, executing program [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6546] <... write resumed>) = 18 [pid 5831] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6546] memfd_create("syzkaller", 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] close(4 [pid 5831] newfstatat(3, "", [pid 6546] <... memfd_create resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... close resumed>) = 0 [pid 6546] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] getdents64(3, [pid 5830] rmdir("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6546] <... mmap resumed>) = 0x7fa6be400000 [pid 6545] <... sync resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... rmdir resumed>) = 0 [pid 6545] exit_group(0 [pid 5831] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6545] <... exit_group resumed>) = ? [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6545] +++ exited with 0 +++ [pid 5831] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6545, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./138/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] newfstatat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6546] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./138/binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(3, [pid 5829] openat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... openat resumed>) = 4 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 5830] close(3 [pid 5829] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5830] rmdir("./138" [pid 5829] getdents64(4, [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./135", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./139", 0777 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6546] <... write resumed>) = 524288 [pid 5833] openat(AT_FDCWD, "./135", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5829] close(4 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] <... rmdir resumed>) = 0 [pid 5829] rmdir("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6546] munmap(0x7fa6be400000, 138412032 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6546] <... munmap resumed>) = 0 [pid 5831] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./137/binderfs", [pid 5829] newfstatat(AT_FDCWD, "./142/binderfs", [pid 5833] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] unlink("./137/binderfs" [pid 5830] <... openat resumed>) = 3 [pid 5829] unlink("./142/binderfs" [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 6546] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] close(3 [pid 5829] <... unlink resumed>) = 0 [pid 5833] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6546] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(3, [pid 5829] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5829] close(3 [pid 5831] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] rmdir("./137" [pid 5829] rmdir("./142" [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] mkdir("./138", 0777 [pid 5829] mkdir("./143", 0777 [pid 6546] <... ioctl resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... mkdir resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] umount2("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6547 attached [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6547 ./strace-static-x86_64: Process 6548 attached [pid 6547] set_robust_list(0x555567654760, 24) = 0 [pid 6547] chdir("./139" [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6548 [pid 6547] <... chdir resumed>) = 0 [pid 6547] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... openat resumed>) = 4 [pid 6547] <... prctl resumed>) = 0 [pid 6547] setpgid(0, 0) = 0 executing program [pid 6547] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6548] set_robust_list(0x555567654760, 24) = 0 [pid 6548] chdir("./143" [pid 5833] newfstatat(4, "", [pid 6547] write(3, "1000", 4) = 4 [pid 6547] close(3) = 0 [pid 6547] symlink("/dev/binderfs", "./binderfs" [pid 6548] <... chdir resumed>) = 0 [pid 6547] <... symlink resumed>) = 0 [pid 6547] write(1, "executing program\n", 18) = 18 [pid 6547] memfd_create("syzkaller", 0 [pid 6548] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6548] setpgid(0, 0 [pid 6547] <... memfd_create resumed>) = 3 [pid 6547] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6548] <... setpgid resumed>) = 0 [pid 6548] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6547] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6548] <... openat resumed>) = 3 [pid 6546] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6548] write(3, "1000", 4) = 4 [pid 6548] close(3) = 0 [pid 6548] symlink("/dev/binderfs", "./binderfs" [pid 5833] getdents64(4, [pid 6546] <... close resumed>) = 0 ./strace-static-x86_64: Process 6549 attached [pid 6548] <... symlink resumed>) = 0 [pid 6546] close(4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6548] write(1, "executing program\n", 18 [pid 6546] <... close resumed>) = 0 [pid 5833] getdents64(4, [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6549 executing program [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6549] set_robust_list(0x555567654760, 24 [pid 6548] <... write resumed>) = 18 [pid 6546] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] close(4 [pid 6549] <... set_robust_list resumed>) = 0 [pid 6548] memfd_create("syzkaller", 0 [pid 6547] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6546] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6549] chdir("./138" [pid 5833] rmdir("./135/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6548] <... memfd_create resumed>) = 3 [pid 6549] <... chdir resumed>) = 0 [pid 6548] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6546] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... rmdir resumed>) = 0 [pid 6549] prctl(PR_SET_PDEATHSIG, SIGKILL [ 157.080671][ T6546] loop3: detected capacity change from 0 to 1024 [pid 5833] umount2("./135/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6549] <... prctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./135/binderfs", [pid 6549] setpgid(0, 0) = 0 [pid 6549] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6549] write(3, "1000", 4) = 4 [pid 6549] close(3) = 0 [pid 6549] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6548] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] unlink("./135/binderfs"executing program [pid 6549] write(1, "executing program\n", 18 [pid 5833] <... unlink resumed>) = 0 [pid 6549] <... write resumed>) = 18 [pid 6547] <... write resumed>) = 524288 [pid 6549] memfd_create("syzkaller", 0 [pid 6546] <... mount resumed>) = 0 [pid 6546] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6549] <... memfd_create resumed>) = 3 [pid 6546] <... openat resumed>) = 3 [pid 6549] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6548] <... write resumed>) = 524288 [pid 6546] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(3, [pid 6546] <... chdir resumed>) = 0 [pid 6549] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6547] munmap(0x7fa6be400000, 138412032 [pid 6546] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6547] <... munmap resumed>) = 0 [pid 6546] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] close(3 [pid 6547] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6546] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... close resumed>) = 0 [pid 6548] munmap(0x7fa6be400000, 138412032 [pid 6547] <... openat resumed>) = 4 [pid 6548] <... munmap resumed>) = 0 [pid 6547] ioctl(4, LOOP_SET_FD, 3 [pid 5833] rmdir("./135" [pid 6547] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... rmdir resumed>) = 0 [pid 6547] ioctl(4, LOOP_CLR_FD [pid 5833] mkdir("./136", 0777 [pid 6547] <... ioctl resumed>) = 0 [pid 6548] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6548] ioctl(4, LOOP_SET_FD, 3 [pid 6546] <... mknod resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6547] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6547] close(4 [pid 6549] <... write resumed>) = 524288 [pid 6546] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6547] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6549] munmap(0x7fa6be400000, 138412032 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6549] <... munmap resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 6546] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... close resumed>) = 0 [pid 6549] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6546] sync( [pid 6549] <... openat resumed>) = 4 [pid 6549] ioctl(4, LOOP_SET_FD, 3 [pid 6547] close(3./strace-static-x86_64: Process 6550 attached [pid 6550] set_robust_list(0x555567654760, 24 [pid 6548] <... ioctl resumed>) = 0 [pid 6550] <... set_robust_list resumed>) = 0 [pid 6548] close(3 [pid 6550] chdir("./136" [pid 6548] <... close resumed>) = 0 [pid 6548] close(4) = 0 [pid 6548] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6550] <... chdir resumed>) = 0 [pid 6548] <... mkdir resumed>) = 0 [pid 6550] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6547] <... close resumed>) = 0 [pid 6550] <... prctl resumed>) = 0 [pid 6548] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6550] setpgid(0, 0 [pid 6547] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6550 [pid 6550] <... setpgid resumed>) = 0 [pid 6547] <... mknod resumed>) = 0 [pid 6550] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6547] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6550] write(3, "1000", 4 [pid 6547] <... link resumed>) = 0 [pid 6550] <... write resumed>) = 4 [pid 6550] close(3) = 0 [pid 6550] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6549] <... ioctl resumed>) = 0 [pid 6547] sync( [pid 6550] write(1, "executing program\n", 18 [pid 6549] close(3 [pid 6550] <... write resumed>) = 18 [pid 6549] <... close resumed>) = 0 [pid 6549] close(4 [pid 6550] memfd_create("syzkaller", 0 [pid 6549] <... close resumed>) = 0 [pid 6549] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6550] <... memfd_create resumed>) = 3 [pid 6549] <... mkdir resumed>) = 0 [pid 6548] <... mount resumed>) = 0 [pid 6546] <... sync resumed>) = 0 [ 157.189739][ T6548] loop0: detected capacity change from 0 to 1024 [ 157.218385][ T6549] loop2: detected capacity change from 0 to 1024 [pid 6546] exit_group(0 [pid 6550] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6546] <... exit_group resumed>) = ? [pid 6550] <... mmap resumed>) = 0x7fa6be400000 [pid 6548] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6550] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6548] <... openat resumed>) = 3 [pid 6546] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6546, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6549] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6548] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6548] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6548] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... openat resumed>) = 3 [pid 6548] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6548] <... mknod resumed>) = 0 [pid 6548] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6550] <... write resumed>) = 524288 [pid 5832] <... umount2 resumed>) = 0 [pid 5832] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6550] munmap(0x7fa6be400000, 138412032) = 0 [pid 6550] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] ioctl(4, LOOP_CLR_FD [pid 6548] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] newfstatat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6550] <... ioctl resumed>) = 0 [pid 6548] sync( [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6550] close(4 [pid 5832] openat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6550] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6549] <... mount resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6549] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] rmdir("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6547] <... sync resumed>) = 0 [pid 6550] close(3 [pid 6549] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6550] <... close resumed>) = 0 [pid 6549] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6547] exit_group(0 [pid 5832] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6549] <... chdir resumed>) = 0 [pid 6549] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6547] <... exit_group resumed>) = ? [pid 5832] newfstatat(AT_FDCWD, "./138/binderfs", [pid 6549] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6547] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6550] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6549] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6550] <... mknod resumed>) = 0 [pid 5832] unlink("./138/binderfs" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6547, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6550] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6549] <... mknod resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(3, [pid 6549] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6550] sync( [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6548] <... sync resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] rmdir("./138" [pid 6548] exit_group(0 [pid 5830] <... openat resumed>) = 3 [pid 6548] <... exit_group resumed>) = ? [pid 5830] newfstatat(3, "", [pid 6548] +++ exited with 0 +++ [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6548, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6549] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] getdents64(3, [pid 6549] sync( [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5829] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] newfstatat(3, "", [pid 5832] mkdir("./139", 0777 [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 5830] unlink("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6549] <... sync resumed>) = 0 [pid 6550] <... sync resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] unlink("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = 0 [pid 6550] exit_group(0 [pid 5830] <... unlink resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6550] <... exit_group resumed>) = ? [pid 6549] exit_group(0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6550] +++ exited with 0 +++ [pid 6549] <... exit_group resumed>) = ? [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] newfstatat(AT_FDCWD, "./139/binderfs", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6549] +++ exited with 0 +++ [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6549, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] unlink("./139/binderfs" [pid 5832] close(3 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] getdents64(3, [pid 5829] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] umount2("./136", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 5829] newfstatat(4, "", ./strace-static-x86_64: Process 6551 attached [pid 5830] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./139" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6551 [pid 5829] getdents64(4, [pid 6551] set_robust_list(0x555567654760, 24 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6551] <... set_robust_list resumed>) = 0 [pid 5829] getdents64(4, [pid 6551] chdir("./139" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./140", 0777 [pid 5829] close(4 [pid 6551] <... chdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] rmdir("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] openat(AT_FDCWD, "./136", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... rmdir resumed>) = 0 [pid 6551] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... openat resumed>) = 3 [pid 5829] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6551] <... prctl resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5831] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6551] setpgid(0, 0) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] newfstatat(AT_FDCWD, "./143/binderfs", [pid 6551] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] getdents64(3, [pid 5831] newfstatat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6551] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6551] write(3, "1000", 4 [pid 5829] unlink("./143/binderfs" [pid 6551] <... write resumed>) = 4 [pid 5830] close(3 [pid 5829] <... unlink resumed>) = 0 [pid 6551] close(3) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(3, [pid 6551] symlink("/dev/binderfs", "./binderfs" [pid 5833] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6552 attached [pid 6551] <... symlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 executing program [pid 6552] set_robust_list(0x555567654760, 24 [pid 6551] write(1, "executing program\n", 18 [pid 5833] newfstatat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... openat resumed>) = 4 [pid 5829] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 5829] <... close resumed>) = 0 [pid 6552] <... set_robust_list resumed>) = 0 [pid 6551] <... write resumed>) = 18 [pid 5833] unlink("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] rmdir("./143" [pid 6552] chdir("./140" [pid 6551] memfd_create("syzkaller", 0 [pid 5833] <... unlink resumed>) = 0 [pid 5831] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 6552] <... chdir resumed>) = 0 [pid 6551] <... memfd_create resumed>) = 3 [pid 5833] umount2("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6552 [pid 6552] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6551] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./144", 0777 [pid 6552] <... prctl resumed>) = 0 [pid 6551] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] newfstatat(AT_FDCWD, "./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] getdents64(4, [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] unlink("./136/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] close(4 [pid 5829] <... openat resumed>) = 3 [pid 6552] setpgid(0, 0 [pid 6551] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6552] <... setpgid resumed>) = 0 [pid 5833] umount2("./136/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... ioctl resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 5833] newfstatat(AT_FDCWD, "./136/binderfs", [pid 5829] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6552] <... openat resumed>) = 3 [pid 5833] unlink("./136/binderfs" [pid 5831] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6552] write(3, "1000", 4 [pid 5833] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6553 attached [pid 6552] <... write resumed>) = 4 [pid 6553] set_robust_list(0x555567654760, 24 [pid 6552] close(3 [pid 6553] <... set_robust_list resumed>) = 0 [pid 6552] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6553] chdir("./144" [pid 6552] symlink("/dev/binderfs", "./binderfs" [pid 5833] getdents64(3, [pid 5831] newfstatat(AT_FDCWD, "./138/binderfs", [pid 6553] <... chdir resumed>) = 0 [pid 6553] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6552] <... symlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6553] <... prctl resumed>) = 0 [pid 6552] write(1, "executing program\n", 18 [pid 6553] setpgid(0, 0 [pid 6552] <... write resumed>) = 18 [pid 6551] <... write resumed>) = 524288 [pid 5833] close(3 [pid 5831] unlink("./138/binderfs" [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6553 [pid 6553] <... setpgid resumed>) = 0 [pid 6553] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6552] memfd_create("syzkaller", 0 [pid 6551] munmap(0x7fa6be400000, 138412032 [pid 5833] <... close resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6553] <... openat resumed>) = 3 [pid 6552] <... memfd_create resumed>) = 3 [pid 5833] rmdir("./136" [pid 5831] getdents64(3, [pid 6552] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6553] write(3, "1000", 4 [pid 6552] <... mmap resumed>) = 0x7fa6be400000 [pid 6551] <... munmap resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6553] <... write resumed>) = 4 [pid 5831] close(3) = 0 [pid 5831] rmdir("./138" [pid 5833] mkdir("./137", 0777 [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6553] close(3 [pid 5831] mkdir("./139", 0777 [pid 6551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6553] <... close resumed>) = 0 [pid 6551] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 3 [pid 6553] symlink("/dev/binderfs", "./binderfs" [pid 6551] ioctl(4, LOOP_SET_FD, 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... mkdir resumed>) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] close(3) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... openat resumed>) = 3 [pid 6553] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6554 attached [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6553] write(1, "executing program\n", 18executing program ) = 18 [pid 6554] set_robust_list(0x555567654760, 24) = 0 [pid 6554] chdir("./137") = 0 [pid 6554] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6553] memfd_create("syzkaller", 0 [pid 6552] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 6555 attached [pid 6553] <... memfd_create resumed>) = 3 [pid 6553] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6554] <... prctl resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6555 [pid 6553] <... mmap resumed>) = 0x7fa6be400000 [pid 6555] set_robust_list(0x555567654760, 24 [pid 6554] setpgid(0, 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6554 [pid 6554] <... setpgid resumed>) = 0 [pid 6554] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6555] <... set_robust_list resumed>) = 0 [pid 6555] chdir("./139" [pid 6554] <... openat resumed>) = 3 [pid 6554] write(3, "1000", 4) = 4 [pid 6554] close(3) = 0 [pid 6554] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6555] <... chdir resumed>) = 0 [pid 6554] write(1, "executing program\n", 18 [pid 6552] <... write resumed>) = 524288 [pid 6551] <... ioctl resumed>) = 0 [pid 6555] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6551] close(3 [pid 6555] <... prctl resumed>) = 0 [pid 6551] <... close resumed>) = 0 [pid 6555] setpgid(0, 0 [pid 6553] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6551] close(4 [pid 6555] <... setpgid resumed>) = 0 [pid 6552] munmap(0x7fa6be400000, 138412032 [pid 6554] <... write resumed>) = 18 [pid 6551] <... close resumed>) = 0 [pid 6554] memfd_create("syzkaller", 0 [pid 6552] <... munmap resumed>) = 0 [pid 6551] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6555] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6554] <... memfd_create resumed>) = 3 [pid 6554] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6555] <... openat resumed>) = 3 [pid 6554] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6551] <... mkdir resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [ 157.561823][ T6551] loop3: detected capacity change from 0 to 1024 [pid 6555] write(3, "1000", 4 [pid 6552] ioctl(4, LOOP_SET_FD, 3 [pid 6551] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6555] <... write resumed>) = 4 [pid 6555] close(3 [pid 6554] <... write resumed>) = 524288 [pid 6555] <... close resumed>) = 0 [pid 6555] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6553] <... write resumed>) = 524288 [pid 6555] write(1, "executing program\n", 18 executing program [pid 6553] munmap(0x7fa6be400000, 138412032 [pid 6552] <... ioctl resumed>) = 0 [pid 6551] <... mount resumed>) = 0 [pid 6555] <... write resumed>) = 18 [pid 6553] <... munmap resumed>) = 0 [pid 6552] close(3 [pid 6551] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6552] <... close resumed>) = 0 [pid 6555] memfd_create("syzkaller", 0 [pid 6552] close(4 [pid 6551] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6552] <... close resumed>) = 0 [pid 6551] <... chdir resumed>) = 0 [pid 6555] <... memfd_create resumed>) = 3 [pid 6554] munmap(0x7fa6be400000, 138412032 [pid 6553] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6552] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6551] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6553] <... openat resumed>) = 4 [pid 6551] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6552] <... mkdir resumed>) = 0 [pid 6555] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6553] ioctl(4, LOOP_SET_FD, 3 [pid 6551] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6554] <... munmap resumed>) = 0 [pid 6554] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6554] ioctl(4, LOOP_SET_FD, 3 [pid 6555] <... mmap resumed>) = 0x7fa6be400000 [pid 6552] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6555] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6551] <... mknod resumed>) = 0 [ 157.611688][ T6552] loop1: detected capacity change from 0 to 1024 [ 157.647634][ T6553] loop0: detected capacity change from 0 to 1024 [ 157.652626][ T6554] loop4: detected capacity change from 0 to 1024 [pid 6551] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6555] <... write resumed>) = 524288 [pid 6553] <... ioctl resumed>) = 0 [pid 6552] <... mount resumed>) = 0 [pid 6553] close(3 [pid 6552] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6553] <... close resumed>) = 0 [pid 6552] <... openat resumed>) = 3 [pid 6551] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6555] munmap(0x7fa6be400000, 138412032 [pid 6553] close(4 [pid 6552] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6551] sync( [pid 6555] <... munmap resumed>) = 0 [pid 6552] <... chdir resumed>) = 0 [pid 6555] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6554] <... ioctl resumed>) = 0 [pid 6553] <... close resumed>) = 0 [pid 6552] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6554] close(3 [pid 6552] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6553] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6555] <... openat resumed>) = 4 [pid 6552] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6554] <... close resumed>) = 0 [pid 6554] close(4) = 0 [pid 6554] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6555] ioctl(4, LOOP_SET_FD, 3 [pid 6553] <... mkdir resumed>) = 0 [pid 6554] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6553] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6552] <... mknod resumed>) = 0 [pid 6552] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6555] <... ioctl resumed>) = 0 [pid 6555] close(3 [pid 6552] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6555] <... close resumed>) = 0 [pid 6552] sync( [ 157.711729][ T6555] loop2: detected capacity change from 0 to 1024 [pid 6555] close(4) = 0 [pid 6555] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6554] <... mount resumed>) = 0 [pid 6553] <... mount resumed>) = 0 [pid 6554] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6553] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6555] <... mkdir resumed>) = 0 [pid 6554] <... openat resumed>) = 3 [pid 6553] <... openat resumed>) = 3 [pid 6551] <... sync resumed>) = 0 [pid 6554] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6553] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6554] <... chdir resumed>) = 0 [pid 6553] <... chdir resumed>) = 0 [pid 6551] exit_group(0) = ? [pid 6555] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6551] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6551, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6553] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6553] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... restart_syscall resumed>) = 0 [pid 6553] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6554] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6554] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6554] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6553] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6553] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6554] <... mknod resumed>) = 0 [pid 6554] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6555] <... mount resumed>) = 0 [pid 6555] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6554] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6553] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6554] sync( [pid 6553] sync( [pid 6555] <... openat resumed>) = 3 [pid 6555] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6555] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6555] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6554] <... sync resumed>) = 0 [pid 6553] <... sync resumed>) = 0 [pid 6552] <... sync resumed>) = 0 [pid 6554] exit_group(0) = ? [pid 6553] exit_group(0) = ? [pid 6554] +++ exited with 0 +++ [pid 6553] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6554, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] <... umount2 resumed>) = 0 [pid 6555] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6553, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6552] exit_group(0) = ? [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./137", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6552] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "./137", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6552, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(3, "", [pid 5833] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5832] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", [pid 5833] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... umount2 resumed>) = 0 [pid 6555] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... umount2 resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] <... umount2 resumed>) = 0 [pid 5833] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] newfstatat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6555] sync( [pid 5833] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5829] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] rmdir("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(4, [pid 5832] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] close(4 [pid 5832] newfstatat(AT_FDCWD, "./139/binderfs", [pid 5830] openat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6555] <... sync resumed>) = 0 [pid 5833] rmdir("./137/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(4, "", [pid 6555] exit_group(0 [pid 5832] unlink("./139/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6555] <... exit_group resumed>) = ? [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5829] close(4) = 0 [pid 5829] rmdir("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./137/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./137/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./137/binderfs" [pid 5829] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6555] +++ exited with 0 +++ [pid 5833] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5833] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./144/binderfs", [pid 5830] rmdir("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6555, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] close(3 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] unlink("./144/binderfs" [pid 5833] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5833] rmdir("./137" [pid 5829] getdents64(3, [pid 5833] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] mkdir("./138", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 5830] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./140/binderfs", [pid 5829] rmdir("./144" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] close(3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] unlink("./140/binderfs" [pid 5833] close(3 [pid 5831] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] mkdir("./145", 0777 [pid 5832] rmdir("./139" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5830] close(3 [pid 5831] newfstatat(3, "", [pid 5830] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] rmdir("./140" [pid 5832] mkdir("./140", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5831] getdents64(3, [pid 5829] close(3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6556 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6556 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] mkdir("./141", 0777 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6557 attached [pid 6556] set_robust_list(0x555567654760, 24 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6557 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6556] <... set_robust_list resumed>) = 0 [pid 5832] close(3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6557] set_robust_list(0x555567654760, 24 [pid 5832] <... close resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6557] <... set_robust_list resumed>) = 0 [pid 5830] close(3 [pid 6556] chdir("./138") = 0 [pid 6556] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6556] setpgid(0, 0) = 0 [pid 6556] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... close resumed>) = 0 ./strace-static-x86_64: Process 6558 attached [pid 6557] chdir("./145") = 0 [pid 6556] <... openat resumed>) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6556] write(3, "1000", 4) = 4 [pid 6556] close(3) = 0 [pid 6556] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 ./strace-static-x86_64: Process 6559 attached [pid 6558] set_robust_list(0x555567654760, 24 [pid 6557] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6558 [pid 5831] <... umount2 resumed>) = 0 [pid 6559] set_robust_list(0x555567654760, 24 [pid 6558] <... set_robust_list resumed>) = 0 [pid 6558] chdir("./140") = 0 [pid 6556] write(1, "executing program\n", 18) = 18 [pid 6559] <... set_robust_list resumed>) = 0 [pid 6556] memfd_create("syzkaller", 0 [pid 6559] chdir("./141") = 0 [pid 6558] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6556] <... memfd_create resumed>) = 3 [pid 6557] <... prctl resumed>) = 0 [pid 6558] <... prctl resumed>) = 0 [pid 6559] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6556] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6559] <... prctl resumed>) = 0 [pid 6556] <... mmap resumed>) = 0x7fa6be400000 [pid 6559] setpgid(0, 0 [pid 6558] setpgid(0, 0 [pid 6557] setpgid(0, 0 [pid 6556] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6559 [pid 6558] <... setpgid resumed>) = 0 [pid 6559] <... setpgid resumed>) = 0 [pid 5831] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6559] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6558] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6557] <... setpgid resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6559] <... openat resumed>) = 3 [pid 6558] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6557] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6558] write(3, "1000", 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6559] write(3, "1000", 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6559] <... write resumed>) = 4 [pid 5831] openat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6559] close(3 [pid 5831] <... openat resumed>) = 4 [pid 6559] <... close resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6559] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6559] <... symlink resumed>) = 0 [pid 6558] <... write resumed>) = 4 [pid 6557] <... openat resumed>) = 3 [pid 6558] close(3executing program [pid 6559] write(1, "executing program\n", 18 [pid 5831] getdents64(4, [pid 6559] <... write resumed>) = 18 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6559] memfd_create("syzkaller", 0 [pid 5831] getdents64(4, [pid 6558] <... close resumed>) = 0 [pid 6557] write(3, "1000", 4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6559] <... memfd_create resumed>) = 3 [pid 6558] symlink("/dev/binderfs", "./binderfs" [pid 6557] <... write resumed>) = 4 [pid 5831] close(4 [pid 6559] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6558] <... symlink resumed>) = 0 [pid 6557] close(3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6558] write(1, "executing program\n", 18 [pid 6557] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 executing program [pid 6558] <... write resumed>) = 18 [pid 6557] symlink("/dev/binderfs", "./binderfs" [pid 5831] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6558] memfd_create("syzkaller", 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] <... symlink resumed>) = 0 [pid 6558] <... memfd_create resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./139/binderfs", [pid 6557] write(1, "executing program\n", 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6559] <... mmap resumed>) = 0x7fa6be400000 [pid 6558] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6557] <... write resumed>) = 18 [pid 6558] <... mmap resumed>) = 0x7fa6be400000 [pid 6557] memfd_create("syzkaller", 0 [pid 5831] unlink("./139/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 6556] <... write resumed>) = 524288 [pid 5831] rmdir("./139" [pid 6559] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 6556] munmap(0x7fa6be400000, 138412032) = 0 [pid 5831] mkdir("./140", 0777) = 0 [pid 6556] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6556] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6558] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6557] <... memfd_create resumed>) = 3 [pid 6556] ioctl(4, LOOP_CLR_FD [pid 5831] <... ioctl resumed>) = 0 [pid 6557] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6556] <... ioctl resumed>) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6556] ioctl(4, LOOP_SET_FD, 3 [pid 6559] <... write resumed>) = 524288 [pid 6556] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6556] close(4./strace-static-x86_64: Process 6560 attached [pid 6559] munmap(0x7fa6be400000, 138412032 [pid 6557] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6556] <... close resumed>) = 0 [pid 6559] <... munmap resumed>) = 0 [pid 6556] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6560 [pid 6556] <... close resumed>) = 0 [pid 6560] set_robust_list(0x555567654760, 24 [pid 6559] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6558] <... write resumed>) = 524288 [pid 6560] <... set_robust_list resumed>) = 0 [pid 6559] <... openat resumed>) = 4 [pid 6560] chdir("./140" [pid 6559] ioctl(4, LOOP_SET_FD, 3 [pid 6560] <... chdir resumed>) = 0 [pid 6560] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6556] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6560] setpgid(0, 0 [pid 6556] <... mknod resumed>) = 0 [pid 6560] <... setpgid resumed>) = 0 [pid 6556] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6560] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6556] <... link resumed>) = 0 [pid 6556] sync( [pid 6560] <... openat resumed>) = 3 [pid 6557] <... write resumed>) = 524288 [pid 6560] write(3, "1000", 4) = 4 [pid 6560] close(3) = 0 [pid 6560] symlink("/dev/binderfs", "./binderfs"executing program [pid 6558] munmap(0x7fa6be400000, 138412032 [pid 6557] munmap(0x7fa6be400000, 138412032 [pid 6560] <... symlink resumed>) = 0 [pid 6558] <... munmap resumed>) = 0 [pid 6560] write(1, "executing program\n", 18) = 18 [pid 6560] memfd_create("syzkaller", 0) = 3 [pid 6558] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6557] <... munmap resumed>) = 0 [pid 6560] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6558] <... openat resumed>) = 4 [pid 6556] <... sync resumed>) = 0 [pid 6558] ioctl(4, LOOP_SET_FD, 3 [pid 6557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6556] exit_group(0) = ? [pid 6557] <... openat resumed>) = 4 [pid 6556] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6560] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] umount2("./138", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6559] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6557] ioctl(4, LOOP_SET_FD, 3 [pid 5833] openat(AT_FDCWD, "./138", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6559] close(3 [pid 5833] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5833] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6559] <... close resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6559] close(4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6559] <... close resumed>) = 0 [pid 5833] unlink("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6559] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... unlink resumed>) = 0 [pid 6559] <... mkdir resumed>) = 0 [pid 5833] umount2("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6559] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./138/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6560] <... write resumed>) = 524288 [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./138/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6558] <... ioctl resumed>) = 0 [pid 6557] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6558] close(3 [pid 5833] newfstatat(AT_FDCWD, "./138/binderfs", [pid 6557] close(3 [pid 6558] <... close resumed>) = 0 [pid 6557] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6558] close(4 [pid 6557] close(4 [pid 6558] <... close resumed>) = 0 [pid 6557] <... close resumed>) = 0 [pid 6558] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6557] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6558] <... mkdir resumed>) = 0 [pid 6557] <... mkdir resumed>) = 0 [pid 6557] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6559] <... mount resumed>) = 0 [pid 6558] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] unlink("./138/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [ 158.082546][ T6559] loop1: detected capacity change from 0 to 1024 [ 158.104280][ T6558] loop3: detected capacity change from 0 to 1024 [ 158.121073][ T6557] loop0: detected capacity change from 0 to 1024 [pid 6559] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] close(3 [pid 6560] munmap(0x7fa6be400000, 138412032 [pid 6559] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 6560] <... munmap resumed>) = 0 [pid 6559] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] rmdir("./138" [pid 6560] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6559] <... chdir resumed>) = 0 [pid 6558] <... mount resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6559] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] mkdir("./139", 0777 [pid 6560] <... openat resumed>) = 4 [pid 6559] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6560] ioctl(4, LOOP_SET_FD, 3 [pid 6559] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6558] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6557] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6558] <... openat resumed>) = 3 [pid 6557] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6558] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6557] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6558] <... chdir resumed>) = 0 [pid 6557] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6558] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6557] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6558] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6557] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6559] <... mknod resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6558] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6557] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6559] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6557] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6557] <... mknod resumed>) = 0 [pid 6557] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6561 attached [pid 6561] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6561 [pid 6561] <... set_robust_list resumed>) = 0 [pid 6561] chdir("./139") = 0 [pid 6561] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6561] setpgid(0, 0) = 0 [pid 6560] <... ioctl resumed>) = 0 [pid 6558] <... mknod resumed>) = 0 [pid 6561] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6560] close(3) = 0 [pid 6560] close(4) = 0 [pid 6560] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6561] <... openat resumed>) = 3 [pid 6560] <... mkdir resumed>) = 0 [pid 6561] write(3, "1000", 4 [pid 6558] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6561] <... write resumed>) = 4 [pid 6560] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6559] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6561] close(3 [pid 6559] sync( [pid 6561] <... close resumed>) = 0 [ 158.173250][ T6560] loop2: detected capacity change from 0 to 1024 [pid 6561] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6561] write(1, "executing program\n", 18) = 18 [pid 6561] memfd_create("syzkaller", 0) = 3 [pid 6561] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6557] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6561] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6558] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6557] sync( [pid 6558] sync( [pid 6560] <... mount resumed>) = 0 [pid 6560] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6560] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6560] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6560] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6561] <... write resumed>) = 524288 [pid 6560] <... mknod resumed>) = 0 [pid 6560] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6561] munmap(0x7fa6be400000, 138412032) = 0 [pid 6561] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6561] ioctl(4, LOOP_SET_FD, 3 [pid 6560] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6560] sync( [pid 6559] <... sync resumed>) = 0 [pid 6557] <... sync resumed>) = 0 [pid 6558] <... sync resumed>) = 0 [pid 6557] exit_group(0 [pid 6560] <... sync resumed>) = 0 [pid 6560] exit_group(0) = ? [pid 6557] <... exit_group resumed>) = ? [pid 6558] exit_group(0 [pid 6561] <... ioctl resumed>) = 0 [pid 6560] +++ exited with 0 +++ [pid 6559] exit_group(0 [pid 6558] <... exit_group resumed>) = ? [pid 6557] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6560, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6557, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6561] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6561] <... close resumed>) = 0 [pid 6558] +++ exited with 0 +++ [pid 6559] <... exit_group resumed>) = ? [pid 5831] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6561] close(4 [pid 6559] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6558, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] <... openat resumed>) = 3 [pid 6561] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... openat resumed>) = 3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6559, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] newfstatat(3, "", [pid 6561] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] getdents64(3, [pid 6561] <... mkdir resumed>) = 0 [pid 5832] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 158.302794][ T6561] loop4: detected capacity change from 0 to 1024 [pid 5831] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6561] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5831] openat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6561] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 6561] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 6561] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5829] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6561] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 6561] <... chdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6561] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] newfstatat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] close(4 [pid 5829] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6561] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] openat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6561] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6561] <... mknod resumed>) = 0 [pid 5832] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(AT_FDCWD, "./140/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(4, "", [pid 5831] unlink("./140/binderfs" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./145/binderfs", [pid 5832] getdents64(4, [pid 5831] <... unlink resumed>) = 0 [pid 5830] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] close(3 [pid 5829] unlink("./145/binderfs" [pid 5831] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... unlink resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] rmdir("./140" [pid 5830] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6561] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, [pid 5832] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] mkdir("./141", 0777 [pid 5830] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6561] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] close(3 [pid 6561] sync( [pid 5832] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] <... close resumed>) = 0 [pid 5832] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] rmdir("./145" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] newfstatat(AT_FDCWD, "./140/binderfs", [pid 5831] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./146", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] rmdir("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5830] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] unlink("./140/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./141/binderfs", [pid 5831] close(3 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] getdents64(3, [pid 5830] unlink("./141/binderfs" [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6562 attached [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6562] set_robust_list(0x555567654760, 24 [pid 5832] close(3) = 0 [pid 5832] rmdir("./140" [pid 6562] <... set_robust_list resumed>) = 0 [pid 5830] getdents64(3, [pid 6562] chdir("./141") = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6563 attached [pid 5832] mkdir("./141", 0777 [pid 5830] close(3 [pid 6562] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6562 [pid 5830] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6563 [pid 6563] set_robust_list(0x555567654760, 24 [pid 6562] <... prctl resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] rmdir("./141" [pid 6563] <... set_robust_list resumed>) = 0 [pid 6563] chdir("./146") = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6563] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... openat resumed>) = 3 [pid 6562] setpgid(0, 0 [pid 6563] <... prctl resumed>) = 0 [pid 6562] <... setpgid resumed>) = 0 [pid 6563] setpgid(0, 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6563] <... setpgid resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 6563] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6562] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 6563] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6564 attached [pid 6562] <... openat resumed>) = 3 [pid 6563] write(3, "1000", 4) = 4 [pid 6564] set_robust_list(0x555567654760, 24 [pid 6563] close(3 [pid 6564] <... set_robust_list resumed>) = 0 [pid 6563] <... close resumed>) = 0 [pid 6564] chdir("./141" [pid 6563] symlink("/dev/binderfs", "./binderfs" [pid 6562] write(3, "1000", 4) = 4 [pid 6562] close(3 [pid 6564] <... chdir resumed>) = 0 [pid 6562] <... close resumed>) = 0 [pid 6564] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6562] symlink("/dev/binderfs", "./binderfs" [pid 6564] <... prctl resumed>) = 0 [pid 6564] setpgid(0, 0 [pid 6563] <... symlink resumed>) = 0 [pid 6562] <... symlink resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6564] <... setpgid resumed>) = 0 [pid 6561] <... sync resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6564 [pid 6564] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6563] write(1, "executing program\n", 18executing program ) = 18 [pid 6564] <... openat resumed>) = 3 [pid 6563] memfd_create("syzkaller", 0 [pid 5830] mkdir("./142", 0777 [pid 6561] exit_group(0 [pid 6563] <... memfd_create resumed>) = 3 [pid 6564] write(3, "1000", 4 [pid 6562] write(1, "executing program\n", 18 [pid 6561] <... exit_group resumed>) = ? [pid 5830] <... mkdir resumed>) = 0 [pid 6563] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6564] <... write resumed>) = 4 [pid 6564] close(3) = 0 [pid 6564] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6564] write(1, "executing program\n", 18executing program [pid 6563] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6564] <... write resumed>) = 18 [pid 6562] <... write resumed>) = 18 [pid 6561] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6564] memfd_create("syzkaller", 0 [pid 6563] <... write resumed>) = 524288 [pid 6564] <... memfd_create resumed>) = 3 [pid 6562] memfd_create("syzkaller", 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6561, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6564] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6562] <... memfd_create resumed>) = 3 [pid 6564] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... ioctl resumed>) = 0 [pid 6564] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6562] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] close(3 [pid 6562] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] umount2("./139", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] openat(AT_FDCWD, "./139", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", ./strace-static-x86_64: Process 6565 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] set_robust_list(0x555567654760, 24 [pid 6563] munmap(0x7fa6be400000, 138412032 [pid 6562] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6565 [pid 6563] <... munmap resumed>) = 0 [pid 6565] <... set_robust_list resumed>) = 0 [pid 6565] chdir("./142" [pid 6563] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6565] <... chdir resumed>) = 0 [pid 6563] ioctl(4, LOOP_SET_FD, 3 [pid 6565] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6565] setpgid(0, 0) = 0 [pid 6565] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6564] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 6565] <... openat resumed>) = 3 [pid 6565] write(3, "1000", 4 [pid 5833] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] <... write resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6565] close(3 [pid 5833] newfstatat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", executing program [pid 6565] <... close resumed>) = 0 [pid 6564] munmap(0x7fa6be400000, 138412032 [pid 6562] <... write resumed>) = 524288 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6565] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6564] <... munmap resumed>) = 0 [pid 6562] munmap(0x7fa6be400000, 138412032 [pid 6565] write(1, "executing program\n", 18) = 18 [pid 6562] <... munmap resumed>) = 0 [pid 6565] memfd_create("syzkaller", 0 [pid 6564] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6565] <... memfd_create resumed>) = 3 [pid 6565] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6562] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6565] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6562] <... openat resumed>) = 4 [pid 5833] umount2("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6562] ioctl(4, LOOP_SET_FD, 3 [pid 6565] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6565] munmap(0x7fa6be400000, 138412032) = 0 [pid 5833] openat(AT_FDCWD, "./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", [pid 6564] <... openat resumed>) = 4 [pid 6565] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6564] ioctl(4, LOOP_SET_FD, 3 [pid 6565] <... openat resumed>) = 4 [pid 6563] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6563] close(3 [pid 5833] getdents64(4, [pid 6563] <... close resumed>) = 0 [pid 6565] ioctl(4, LOOP_SET_FD, 3 [pid 6563] close(4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6563] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6563] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] rmdir("./139/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6562] <... ioctl resumed>) = 0 [pid 6562] close(3) = 0 [pid 6562] close(4 [pid 6564] <... ioctl resumed>) = 0 [pid 6565] <... ioctl resumed>) = 0 [pid 6563] <... mkdir resumed>) = 0 [pid 6562] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6562] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6563] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6562] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6564] close(3) = 0 [pid 6564] close(4) = 0 [pid 6564] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6565] close(3 [pid 6564] <... mkdir resumed>) = 0 [pid 5833] umount2("./139/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6565] <... close resumed>) = 0 [pid 6565] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6565] <... close resumed>) = 0 [pid 6565] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] newfstatat(AT_FDCWD, "./139/binderfs", [pid 6565] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6564] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] unlink("./139/binderfs" [pid 6565] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... unlink resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [ 158.585501][ T6563] loop0: detected capacity change from 0 to 1024 [ 158.595259][ T6562] loop2: detected capacity change from 0 to 1024 [ 158.606390][ T6564] loop3: detected capacity change from 0 to 1024 [ 158.617537][ T6565] loop1: detected capacity change from 0 to 1024 [pid 5833] rmdir("./139" [pid 6563] <... mount resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6563] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] mkdir("./140", 0777 [pid 6564] <... mount resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6564] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6563] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6564] <... openat resumed>) = 3 [pid 6562] <... mount resumed>) = 0 [pid 6564] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6563] <... chdir resumed>) = 0 [pid 6562] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 6563] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6564] <... chdir resumed>) = 0 [pid 6562] <... openat resumed>) = 3 [pid 6564] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6562] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6565] <... mount resumed>) = 0 [pid 6564] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6563] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6562] <... chdir resumed>) = 0 [pid 6564] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6563] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6562] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6562] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6565] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... ioctl resumed>) = 0 [pid 6565] <... openat resumed>) = 3 [pid 6562] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] close(3 [pid 6565] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 6564] <... mknod resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6564] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6565] <... chdir resumed>) = 0 [pid 6565] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6565] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6566 attached [pid 6566] set_robust_list(0x555567654760, 24) = 0 [pid 6563] <... mknod resumed>) = 0 [pid 6562] <... mknod resumed>) = 0 [pid 6563] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6562] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6566 [pid 6566] chdir("./140") = 0 [pid 6565] <... mknod resumed>) = 0 [pid 6565] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6566] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6564] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6566] <... prctl resumed>) = 0 [pid 6564] sync( [pid 6563] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6563] sync( [pid 6566] setpgid(0, 0) = 0 [pid 6566] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6562] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6562] sync( [pid 6566] <... openat resumed>) = 3 [pid 6566] write(3, "1000", 4) = 4 [pid 6566] close(3 [pid 6565] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6566] <... close resumed>) = 0 [pid 6566] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6565] sync( [pid 6566] write(1, "executing program\n", 18executing program ) = 18 [pid 6566] memfd_create("syzkaller", 0) = 3 [pid 6566] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6562] <... sync resumed>) = 0 [pid 6565] <... sync resumed>) = 0 [pid 6564] <... sync resumed>) = 0 [pid 6563] <... sync resumed>) = 0 [pid 6562] exit_group(0 [pid 6564] exit_group(0 [pid 6563] exit_group(0 [pid 6562] <... exit_group resumed>) = ? [pid 6563] <... exit_group resumed>) = ? [pid 6564] <... exit_group resumed>) = ? [pid 6563] +++ exited with 0 +++ [pid 6565] exit_group(0 [pid 6564] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6563, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6565] <... exit_group resumed>) = ? [pid 6562] +++ exited with 0 +++ [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6565] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6564, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6562, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6565, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... restart_syscall resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5832] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5829] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5829] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6566] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6566] <... write resumed>) = 524288 [pid 6566] munmap(0x7fa6be400000, 138412032 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6566] <... munmap resumed>) = 0 [pid 6566] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6566] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = 0 [pid 6566] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... openat resumed>) = 4 [pid 5832] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] newfstatat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(4, "", [pid 5831] close(4) = 0 [pid 5830] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... openat resumed>) = 4 [pid 5832] getdents64(4, [pid 5831] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] close(4 [pid 5831] newfstatat(AT_FDCWD, "./141/binderfs", [pid 5830] getdents64(4, [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] rmdir("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] unlink("./141/binderfs" [pid 5830] getdents64(4, [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./141/binderfs", [pid 5831] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] unlink("./141/binderfs" [pid 5831] rmdir("./141" [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./142/binderfs") = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, [pid 5830] close(3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5832] close(3 [pid 5831] mkdir("./142", 0777 [pid 5830] rmdir("./142" [pid 5832] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] rmdir("./141") = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] mkdir("./143", 0777 [pid 5832] mkdir("./142", 0777 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6567 attached [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... ioctl resumed>) = 0 [pid 6566] <... ioctl resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(3 [pid 5830] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6568 attached [pid 6567] set_robust_list(0x555567654760, 24 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6567 ./strace-static-x86_64: Process 6569 attached [pid 6567] <... set_robust_list resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6568 [pid 6567] chdir("./142") = 0 [pid 6567] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6569] set_robust_list(0x555567654760, 24 [pid 6568] set_robust_list(0x555567654760, 24 [pid 6567] <... prctl resumed>) = 0 [pid 6569] <... set_robust_list resumed>) = 0 [pid 6568] <... set_robust_list resumed>) = 0 [pid 6567] setpgid(0, 0 [pid 6569] chdir("./142" [pid 6566] close(3 [pid 5829] newfstatat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6566] <... close resumed>) = 0 [pid 6566] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6568] chdir("./143" [pid 6567] <... setpgid resumed>) = 0 [pid 6566] <... close resumed>) = 0 [pid 5829] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6566] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6569] <... chdir resumed>) = 0 [pid 6568] <... chdir resumed>) = 0 [pid 6567] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6566] <... mkdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6569 [pid 5829] openat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6569] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6568] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6566] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... openat resumed>) = 4 [pid 6569] <... prctl resumed>) = 0 [pid 6568] setpgid(0, 0 [pid 6567] <... openat resumed>) = 3 [ 158.855703][ T6566] loop4: detected capacity change from 0 to 1024 [pid 6569] setpgid(0, 0 [pid 6568] <... setpgid resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6569] <... setpgid resumed>) = 0 [pid 6568] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6567] write(3, "1000", 4 [pid 6569] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6567] <... write resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6569] <... openat resumed>) = 3 [pid 6568] <... openat resumed>) = 3 [pid 6567] close(3 [pid 5829] getdents64(4, [pid 6569] write(3, "1000", 4 [pid 6568] write(3, "1000", 4 [pid 6567] <... close resumed>) = 0 [pid 6569] <... write resumed>) = 4 [pid 6568] <... write resumed>) = 4 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6569] close(3) = 0 [pid 6568] close(3 [pid 5829] close(4 [pid 6568] <... close resumed>) = 0 [pid 6567] symlink("/dev/binderfs", "./binderfs" [pid 6569] symlink("/dev/binderfs", "./binderfs" [pid 6568] symlink("/dev/binderfs", "./binderfs" [pid 6567] <... symlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6569] <... symlink resumed>) = 0 executing program [pid 6568] <... symlink resumed>) = 0 [pid 6569] write(1, "executing program\n", 18executing program [pid 6567] write(1, "executing program\n", 18 [pid 5829] rmdir("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6569] <... write resumed>) = 18 executing program [pid 6568] write(1, "executing program\n", 18 [pid 6567] <... write resumed>) = 18 [pid 6569] memfd_create("syzkaller", 0 [pid 6568] <... write resumed>) = 18 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6568] memfd_create("syzkaller", 0 [pid 5829] newfstatat(AT_FDCWD, "./146/binderfs", [pid 6567] memfd_create("syzkaller", 0 [pid 6569] <... memfd_create resumed>) = 3 [pid 6568] <... memfd_create resumed>) = 3 [pid 6567] <... memfd_create resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6567] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6569] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6568] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6567] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] unlink("./146/binderfs" [pid 6569] <... mmap resumed>) = 0x7fa6be400000 [pid 6568] <... mmap resumed>) = 0x7fa6be400000 [pid 6567] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6566] <... mount resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6568] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6566] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5829] getdents64(3, [pid 6566] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6566] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] close(3 [pid 6566] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... close resumed>) = 0 [pid 6569] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] rmdir("./146") = 0 [pid 5829] mkdir("./147", 0777 [pid 6569] <... write resumed>) = 524288 [pid 6566] <... mknod resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6566] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6566] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... openat resumed>) = 3 [pid 6566] sync( [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 6569] munmap(0x7fa6be400000, 138412032) = 0 [pid 6568] <... write resumed>) = 524288 [pid 6567] <... write resumed>) = 524288 [pid 6568] munmap(0x7fa6be400000, 138412032 [pid 6567] munmap(0x7fa6be400000, 138412032 [pid 6568] <... munmap resumed>) = 0 [pid 6567] <... munmap resumed>) = 0 [pid 6569] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6569] ioctl(4, LOOP_SET_FD, 3 [pid 6568] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6567] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6568] <... openat resumed>) = 4 [pid 6567] <... openat resumed>) = 4 [pid 6567] ioctl(4, LOOP_SET_FD, 3 [pid 6568] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 5829] <... close resumed>) = 0 [pid 6569] <... ioctl resumed>) = 0 [pid 6569] close(3) = 0 [pid 6569] close(4) = 0 [pid 6569] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6569] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6570 attached [pid 6566] <... sync resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6570 [pid 6567] <... ioctl resumed>) = 0 [pid 6566] exit_group(0 [pid 6570] set_robust_list(0x555567654760, 24) = 0 [pid 6570] chdir("./147" [pid 6568] close(3 [pid 6567] close(3 [pid 6566] <... exit_group resumed>) = ? [pid 6570] <... chdir resumed>) = 0 [pid 6568] <... close resumed>) = 0 [pid 6567] <... close resumed>) = 0 [pid 6568] close(4 [pid 6567] close(4 [pid 6568] <... close resumed>) = 0 [pid 6567] <... close resumed>) = 0 [pid 6568] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6567] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6570] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6568] <... mkdir resumed>) = 0 [pid 6567] <... mkdir resumed>) = 0 [pid 6566] +++ exited with 0 +++ [pid 6570] <... prctl resumed>) = 0 [pid 6569] <... mount resumed>) = 0 [pid 6568] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 159.013986][ T6569] loop3: detected capacity change from 0 to 1024 [ 159.021677][ T6567] loop2: detected capacity change from 0 to 1024 [ 159.028953][ T6568] loop1: detected capacity change from 0 to 1024 [pid 6567] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6570] setpgid(0, 0 [pid 6569] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6566, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6570] <... setpgid resumed>) = 0 [pid 6569] <... openat resumed>) = 3 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6569] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... restart_syscall resumed>) = 0 [pid 6570] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6569] <... chdir resumed>) = 0 [pid 6570] <... openat resumed>) = 3 [pid 6569] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./140", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6570] write(3, "1000", 4 [pid 6569] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./140", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6570] <... write resumed>) = 4 [pid 5833] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6570] close(3) = 0 [pid 6570] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6569] <... mknod resumed>) = 0 [pid 6567] <... mount resumed>) = 0 executing program [pid 6570] write(1, "executing program\n", 18 [pid 6569] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6567] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6570] <... write resumed>) = 18 [pid 6570] memfd_create("syzkaller", 0 [pid 6567] <... openat resumed>) = 3 [pid 6570] <... memfd_create resumed>) = 3 [pid 6570] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6567] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6567] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6567] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6570] <... mmap resumed>) = 0x7fa6be400000 [pid 6568] <... mount resumed>) = 0 [pid 6568] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6569] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6568] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6569] sync( [pid 6568] <... chdir resumed>) = 0 [pid 6568] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6568] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6567] <... mknod resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6567] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6568] <... mknod resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6568] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 6570] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 6568] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6567] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6567] sync( [pid 6568] sync( [pid 5833] rmdir("./140/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6570] <... write resumed>) = 524288 [pid 5833] umount2("./140/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./140/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./140/binderfs") = 0 [pid 6570] munmap(0x7fa6be400000, 138412032 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./140") = 0 [pid 6570] <... munmap resumed>) = 0 [pid 5833] mkdir("./141", 0777 [pid 6570] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6569] <... sync resumed>) = 0 [pid 6568] <... sync resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6569] exit_group(0 [pid 6568] exit_group(0 [pid 6570] ioctl(4, LOOP_SET_FD, 3 [pid 6567] <... sync resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6569] <... exit_group resumed>) = ? [pid 6567] exit_group(0 [pid 5833] <... openat resumed>) = 3 [pid 6569] +++ exited with 0 +++ [pid 6568] <... exit_group resumed>) = ? [pid 6568] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6569, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 6570] <... ioctl resumed>) = 0 [pid 6567] <... exit_group resumed>) = ? [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6568, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6567] +++ exited with 0 +++ [pid 5833] <... ioctl resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6567, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] close(3 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... close resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6571 attached [pid 5832] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6571] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6571 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6571] <... set_robust_list resumed>) = 0 [pid 6570] close(3 [pid 5832] newfstatat(3, "", [pid 5831] newfstatat(3, "", [pid 5830] <... openat resumed>) = 3 [pid 6571] chdir("./141" [pid 6570] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(3, "", [pid 6571] <... chdir resumed>) = 0 [pid 6570] close(4 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] getdents64(3, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6571] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6570] <... close resumed>) = 0 [pid 5832] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6571] <... prctl resumed>) = 0 [pid 5831] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6570] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6571] setpgid(0, 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6570] <... mkdir resumed>) = 0 [pid 6571] <... setpgid resumed>) = 0 [pid 6570] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5831] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 159.200084][ T6570] loop0: detected capacity change from 0 to 1024 [pid 5832] newfstatat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6571] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 5832] <... openat resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] openat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] newfstatat(4, "", [pid 5830] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 6571] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(4, "", [pid 6571] write(3, "1000", 4) = 4 [pid 5831] close(4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6571] close(3 [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 6571] <... close resumed>) = 0 [pid 5831] rmdir("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6571] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5831] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./142/binderfs", [pid 5832] getdents64(4, [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] unlink("./142/binderfs" [pid 5832] getdents64(4, [pid 5831] <... unlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./142"executing program [pid 6571] write(1, "executing program\n", 18 [pid 5832] close(4 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6571] <... write resumed>) = 18 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] close(4 [pid 5831] mkdir("./143", 0777 [pid 5830] <... close resumed>) = 0 [pid 6571] memfd_create("syzkaller", 0 [pid 5832] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... mkdir resumed>) = 0 [pid 5830] rmdir("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./142/binderfs", [pid 5830] <... rmdir resumed>) = 0 [pid 6571] <... memfd_create resumed>) = 3 [pid 6570] <... mount resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6571] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6570] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] unlink("./142/binderfs" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6571] <... mmap resumed>) = 0x7fa6be400000 [pid 6570] <... openat resumed>) = 3 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./143/binderfs", [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] getdents64(3, [pid 5831] close(3 [pid 6571] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6570] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./143/binderfs" [pid 6570] <... chdir resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6570] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] getdents64(3, [pid 6570] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6570] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] close(3./strace-static-x86_64: Process 6572 attached [pid 6570] <... mknod resumed>) = 0 [pid 5832] close(3 [pid 5830] <... close resumed>) = 0 [pid 6570] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] rmdir("./143" [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./142") = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./144", 0777 [pid 6572] set_robust_list(0x555567654760, 24) = 0 [pid 5832] mkdir("./143", 0777 [pid 6572] chdir("./143" [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6572 [pid 6572] <... chdir resumed>) = 0 [pid 6572] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6572] setpgid(0, 0) = 0 [pid 6572] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6572] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6572] write(3, "1000", 4 [pid 6571] <... write resumed>) = 524288 [pid 5832] <... ioctl resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] close(3) = 0 [pid 6572] <... write resumed>) = 4 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6572] close(3./strace-static-x86_64: Process 6573 attached ) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3) = 0 [pid 6573] set_robust_list(0x555567654760, 24 [pid 6572] symlink("/dev/binderfs", "./binderfs" [pid 6570] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6573 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6573] <... set_robust_list resumed>) = 0 [pid 6572] <... symlink resumed>) = 0 [pid 6570] sync(./strace-static-x86_64: Process 6574 attached [pid 6573] chdir("./143" [pid 6574] set_robust_list(0x555567654760, 24 [pid 6573] <... chdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6574 [pid 6573] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 6572] write(1, "executing program\n", 18 [pid 6574] <... set_robust_list resumed>) = 0 [pid 6573] setpgid(0, 0 [pid 6571] munmap(0x7fa6be400000, 138412032 [pid 6572] <... write resumed>) = 18 [pid 6574] chdir("./144" [pid 6573] <... setpgid resumed>) = 0 [pid 6572] memfd_create("syzkaller", 0 [pid 6574] <... chdir resumed>) = 0 [pid 6573] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6572] <... memfd_create resumed>) = 3 [pid 6571] <... munmap resumed>) = 0 [pid 6574] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6573] <... openat resumed>) = 3 [pid 6572] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6571] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6574] <... prctl resumed>) = 0 [pid 6571] <... openat resumed>) = 4 [pid 6574] setpgid(0, 0 [pid 6571] ioctl(4, LOOP_SET_FD, 3 [pid 6574] <... setpgid resumed>) = 0 [pid 6573] write(3, "1000", 4 [pid 6572] <... mmap resumed>) = 0x7fa6be400000 [pid 6574] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6574] write(3, "1000", 4) = 4 [pid 6574] close(3) = 0 [pid 6574] symlink("/dev/binderfs", "./binderfs" [pid 6573] <... write resumed>) = 4 [pid 6574] <... symlink resumed>) = 0 [pid 6572] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6574] write(1, "executing program\n", 18) = 18 [pid 6570] <... sync resumed>) = 0 [pid 6574] memfd_create("syzkaller", 0 [pid 6573] close(3 [pid 6570] exit_group(0 [pid 6573] <... close resumed>) = 0 [pid 6574] <... memfd_create resumed>) = 3 [pid 6573] symlink("/dev/binderfs", "./binderfs" [pid 6570] <... exit_group resumed>) = ? [pid 6574] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6573] <... symlink resumed>) = 0 [pid 6573] write(1, "executing program\n", 18 [pid 6574] <... mmap resumed>) = 0x7fa6be400000 [pid 6572] <... write resumed>) = 524288 [pid 6570] +++ exited with 0 +++ executing program [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6570, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 6573] <... write resumed>) = 18 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6574] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6573] memfd_create("syzkaller", 0) = 3 [pid 6572] munmap(0x7fa6be400000, 138412032) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6573] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6572] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6574] <... write resumed>) = 524288 [pid 6573] <... mmap resumed>) = 0x7fa6be400000 [pid 6572] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 3 [pid 6571] <... ioctl resumed>) = 0 [pid 6572] ioctl(4, LOOP_SET_FD, 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 159.393478][ T6571] loop4: detected capacity change from 0 to 1024 [pid 6571] close(3 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6573] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6571] <... close resumed>) = 0 [pid 6571] close(4) = 0 [pid 6571] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6571] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "") = 0 [pid 6574] munmap(0x7fa6be400000, 138412032 [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6571] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6571] <... openat resumed>) = 3 [pid 6574] <... munmap resumed>) = 0 [pid 5829] getdents64(4, [pid 6571] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6571] <... chdir resumed>) = 0 [pid 6573] <... write resumed>) = 524288 [pid 5829] getdents64(4, [pid 6571] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6571] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] close(4 [pid 6571] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... close resumed>) = 0 [pid 6574] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] rmdir("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6574] <... openat resumed>) = 4 [pid 6572] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6572] close(3 [pid 6574] ioctl(4, LOOP_SET_FD, 3 [pid 6572] <... close resumed>) = 0 [pid 6573] munmap(0x7fa6be400000, 138412032 [pid 6572] close(4) = 0 [pid 5829] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6573] <... munmap resumed>) = 0 [pid 6572] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6571] <... mknod resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6571] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6572] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6573] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5829] unlink("./147/binderfs" [pid 6573] ioctl(4, LOOP_SET_FD, 3 [ 159.436761][ T6572] loop2: detected capacity change from 0 to 1024 [ 159.471758][ T6574] loop1: detected capacity change from 0 to 1024 [pid 6572] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./147") = 0 [pid 6571] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6571] sync( [pid 5829] mkdir("./148", 0777) = 0 [pid 6574] <... ioctl resumed>) = 0 [pid 6573] <... ioctl resumed>) = 0 [pid 6572] <... mount resumed>) = 0 [pid 6574] close(3 [pid 6573] close(3 [pid 6572] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6574] <... close resumed>) = 0 [pid 6573] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6574] close(4 [pid 6573] close(4 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6574] <... close resumed>) = 0 [pid 6573] <... close resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6574] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6573] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] close(3 [pid 6574] <... mkdir resumed>) = 0 [pid 6572] <... openat resumed>) = 3 [pid 6571] <... sync resumed>) = 0 [pid 6571] exit_group(0 [pid 6573] <... mkdir resumed>) = 0 [ 159.485892][ T6573] loop3: detected capacity change from 0 to 1024 [pid 6573] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6574] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6571] <... exit_group resumed>) = ? [pid 5829] <... close resumed>) = 0 [pid 6572] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6571] +++ exited with 0 +++ [pid 6572] <... chdir resumed>) = 0 [pid 6572] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6572] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6571, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6573] <... mount resumed>) = 0 [pid 6573] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6575 ./strace-static-x86_64: Process 6575 attached [pid 6573] <... openat resumed>) = 3 [pid 6575] set_robust_list(0x555567654760, 24 [pid 6573] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... restart_syscall resumed>) = 0 [pid 6575] <... set_robust_list resumed>) = 0 [pid 6573] <... chdir resumed>) = 0 [pid 6575] chdir("./148" [pid 6573] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./141", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6573] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6572] <... mknod resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6572] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] openat(AT_FDCWD, "./141", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6575] <... chdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6575] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] newfstatat(3, "", [pid 6575] <... prctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6575] setpgid(0, 0 [pid 5833] getdents64(3, [pid 6575] <... setpgid resumed>) = 0 [pid 6573] <... mknod resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6575] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6575] <... openat resumed>) = 3 [pid 6574] <... mount resumed>) = 0 [pid 6573] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6575] write(3, "1000", 4 [pid 6574] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6572] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6575] <... write resumed>) = 4 [pid 6574] <... openat resumed>) = 3 [pid 6575] close(3 [pid 6574] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6575] <... close resumed>) = 0 [pid 6574] <... chdir resumed>) = 0 [pid 6572] sync( [pid 6575] symlink("/dev/binderfs", "./binderfs" [pid 6574] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6575] <... symlink resumed>) = 0 [pid 6574] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6574] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6575] write(1, "executing program\n", 18) = 18 [pid 5833] <... umount2 resumed>) = 0 [pid 6575] memfd_create("syzkaller", 0 [pid 6573] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6575] <... memfd_create resumed>) = 3 [pid 6573] sync( [pid 6575] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6575] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6574] <... mknod resumed>) = 0 [pid 5833] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6574] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6574] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 6574] sync( [pid 5833] rmdir("./141/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./141/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./141/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./141/binderfs" [pid 6575] <... write resumed>) = 524288 [pid 5833] <... unlink resumed>) = 0 [pid 6575] munmap(0x7fa6be400000, 138412032 [pid 5833] getdents64(3, [pid 6575] <... munmap resumed>) = 0 [pid 6574] <... sync resumed>) = 0 [pid 6574] exit_group(0) = ? [pid 6575] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6574] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6572] <... sync resumed>) = 0 [pid 6575] <... openat resumed>) = 4 [pid 5833] close(3 [pid 6575] ioctl(4, LOOP_SET_FD, 3 [pid 6573] <... sync resumed>) = 0 [pid 6572] exit_group(0 [pid 5833] <... close resumed>) = 0 [pid 6573] exit_group(0 [pid 6572] <... exit_group resumed>) = ? [pid 5833] rmdir("./141" [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6574, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] mkdir("./142", 0777 [pid 5830] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6573] <... exit_group resumed>) = ? [pid 6572] +++ exited with 0 +++ [pid 5833] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6572, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] newfstatat(3, "", [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6573] +++ exited with 0 +++ [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6573, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5831] newfstatat(3, "", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] getdents64(3, [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6576 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6575] <... ioctl resumed>) = 0 [pid 5830] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6576 attached [pid 6575] close(3 [pid 5830] <... openat resumed>) = 4 [pid 6575] <... close resumed>) = 0 [pid 6575] close(4) = 0 [pid 6575] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6575] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] newfstatat(4, "", [pid 6576] set_robust_list(0x555567654760, 24 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6576] <... set_robust_list resumed>) = 0 [pid 5830] getdents64(4, [pid 6576] chdir("./142" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [ 159.648597][ T6575] loop0: detected capacity change from 0 to 1024 [pid 6576] <... chdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./144/binderfs") = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6576] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] close(3 [pid 6576] <... prctl resumed>) = 0 [pid 6576] setpgid(0, 0 [pid 5830] <... close resumed>) = 0 [pid 6576] <... setpgid resumed>) = 0 [pid 5830] rmdir("./144" [pid 6576] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... umount2 resumed>) = 0 [pid 5831] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 6576] <... openat resumed>) = 3 [pid 5832] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] mkdir("./145", 0777 [pid 6576] write(3, "1000", 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6576] <... write resumed>) = 4 [pid 6576] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6576] <... close resumed>) = 0 [pid 5831] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6576] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6576] <... symlink resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6576] write(1, "executing program\n", 18 [pid 5830] <... openat resumed>) = 3 executing program [pid 6576] <... write resumed>) = 18 [pid 5832] newfstatat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... openat resumed>) = 4 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6576] memfd_create("syzkaller", 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 5830] <... ioctl resumed>) = 0 [pid 6576] <... memfd_create resumed>) = 3 [pid 6575] <... mount resumed>) = 0 [pid 5832] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 6576] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6575] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6577 attached [pid 6576] <... mmap resumed>) = 0x7fa6be400000 [pid 6575] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6575] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6577 [pid 6575] <... chdir resumed>) = 0 [pid 6575] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6575] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6576] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6575] <... mknod resumed>) = 0 [pid 6575] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6577] set_robust_list(0x555567654760, 24 [pid 5832] <... openat resumed>) = 4 [pid 5831] getdents64(4, [pid 6577] <... set_robust_list resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6577] chdir("./145" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] close(4 [pid 6577] <... chdir resumed>) = 0 [pid 6577] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6576] <... write resumed>) = 524288 [pid 5832] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 6577] <... prctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] rmdir("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 6577] setpgid(0, 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6577] <... setpgid resumed>) = 0 [pid 5832] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./143/binderfs", [pid 6577] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] rmdir("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6575] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... rmdir resumed>) = 0 [pid 6575] sync( [pid 5832] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6577] <... openat resumed>) = 3 [pid 6576] munmap(0x7fa6be400000, 138412032 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./143/binderfs" [pid 6577] write(3, "1000", 4) = 4 [pid 6576] <... munmap resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./143/binderfs", [pid 5831] <... unlink resumed>) = 0 [pid 6577] close(3) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 6577] symlink("/dev/binderfs", "./binderfs" [pid 5832] unlink("./143/binderfs" [pid 6577] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6577] write(1, "executing program\n", 18executing program [pid 6576] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] close(3 [pid 5832] getdents64(3, [pid 6577] <... write resumed>) = 18 [pid 5831] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6577] memfd_create("syzkaller", 0 [pid 5832] close(3 [pid 5831] rmdir("./143" [pid 6577] <... memfd_create resumed>) = 3 [pid 6576] <... openat resumed>) = 4 [pid 6575] <... sync resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6576] ioctl(4, LOOP_SET_FD, 3 [pid 6575] exit_group(0 [pid 5832] rmdir("./143" [pid 5831] mkdir("./144", 0777 [pid 6575] <... exit_group resumed>) = ? [pid 6575] +++ exited with 0 +++ [pid 6577] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6577] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] mkdir("./144", 0777 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6575, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] <... mkdir resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5829] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] newfstatat(3, "", [pid 5832] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6577] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 ./strace-static-x86_64: Process 6578 attached [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6579 attached [pid 6579] set_robust_list(0x555567654760, 24 [pid 6578] set_robust_list(0x555567654760, 24 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6578 [pid 6579] <... set_robust_list resumed>) = 0 [pid 6578] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6579 [pid 6578] chdir("./144" [pid 6579] chdir("./144" [pid 6578] <... chdir resumed>) = 0 [pid 6578] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6579] <... chdir resumed>) = 0 [pid 6578] <... prctl resumed>) = 0 [pid 6578] setpgid(0, 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6579] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6578] <... setpgid resumed>) = 0 [pid 6577] <... write resumed>) = 524288 [pid 6576] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6579] <... prctl resumed>) = 0 [pid 6579] setpgid(0, 0 [pid 6578] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6577] munmap(0x7fa6be400000, 138412032 [pid 6576] close(3 [pid 6579] <... setpgid resumed>) = 0 [pid 6576] <... close resumed>) = 0 [pid 6576] close(4 [pid 6579] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6576] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6579] <... openat resumed>) = 3 [pid 6578] <... openat resumed>) = 3 [pid 6577] <... munmap resumed>) = 0 [pid 6576] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... openat resumed>) = 4 [pid 6579] write(3, "1000", 4 [pid 6578] write(3, "1000", 4 [pid 5829] newfstatat(4, "", [pid 6579] <... write resumed>) = 4 [pid 6578] <... write resumed>) = 4 [pid 6576] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6579] close(3 [pid 6578] close(3 [pid 6579] <... close resumed>) = 0 [pid 6578] <... close resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6578] symlink("/dev/binderfs", "./binderfs" [pid 6579] symlink("/dev/binderfs", "./binderfs" [pid 6576] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6579] <... symlink resumed>) = 0 [pid 6578] <... symlink resumed>) = 0 [pid 6577] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5829] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6579] write(1, "executing program\n", 18 [pid 6578] write(1, "executing program\n", 18 [ 159.845799][ T6576] loop4: detected capacity change from 0 to 1024 [pid 6577] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./148/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 executing program executing program [pid 5829] close(3 [pid 6577] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6579] <... write resumed>) = 18 [pid 6578] <... write resumed>) = 18 [pid 5829] rmdir("./148") = 0 [pid 5829] mkdir("./149", 0777 [pid 6579] memfd_create("syzkaller", 0 [pid 6578] memfd_create("syzkaller", 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6579] <... memfd_create resumed>) = 3 [pid 6578] <... memfd_create resumed>) = 3 [pid 6579] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6578] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6579] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 6576] <... mount resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6576] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6576] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6576] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6580 attached [pid 6576] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6580] set_robust_list(0x555567654760, 24 [pid 6578] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6580 [pid 6580] <... set_robust_list resumed>) = 0 [pid 6580] chdir("./149") = 0 [pid 6580] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6580] setpgid(0, 0) = 0 [pid 6580] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6578] <... write resumed>) = 524288 [pid 6579] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6580] <... openat resumed>) = 3 [pid 6580] write(3, "1000", 4) = 4 [pid 6580] close(3 [pid 6577] close(3 [pid 6580] <... close resumed>) = 0 [pid 6580] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6580] write(1, "executing program\n", 18) = 18 [pid 6580] memfd_create("syzkaller", 0 [pid 6577] <... close resumed>) = 0 [pid 6577] close(4 [pid 6580] <... memfd_create resumed>) = 3 [pid 6580] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [ 159.888135][ T6577] loop1: detected capacity change from 0 to 1024 [pid 6579] <... write resumed>) = 524288 [pid 6577] <... close resumed>) = 0 [pid 6576] <... mknod resumed>) = 0 [pid 6577] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6580] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6577] <... mkdir resumed>) = 0 [pid 6576] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6578] munmap(0x7fa6be400000, 138412032) = 0 [pid 6578] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6577] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6578] <... openat resumed>) = 4 [pid 6578] ioctl(4, LOOP_SET_FD, 3 [pid 6579] munmap(0x7fa6be400000, 138412032) = 0 [pid 6579] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6579] ioctl(4, LOOP_SET_FD, 3 [pid 6580] <... write resumed>) = 524288 [pid 6576] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6580] munmap(0x7fa6be400000, 138412032 [pid 6576] sync( [pid 6580] <... munmap resumed>) = 0 [pid 6580] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6580] ioctl(4, LOOP_CLR_FD) = 0 [pid 6577] <... mount resumed>) = 0 [pid 6577] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6580] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6577] <... openat resumed>) = 3 [pid 6580] close(4) = 0 [pid 6578] <... ioctl resumed>) = 0 [pid 6580] close(3 [pid 6579] <... ioctl resumed>) = 0 [pid 6577] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6580] <... close resumed>) = 0 [pid 6579] close(3 [pid 6577] <... chdir resumed>) = 0 [pid 6579] <... close resumed>) = 0 [pid 6577] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6579] close(4) = 0 [pid 6579] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6577] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 159.973141][ T6578] loop2: detected capacity change from 0 to 1024 [ 159.983778][ T6579] loop3: detected capacity change from 0 to 1024 [pid 6579] <... mkdir resumed>) = 0 [pid 6578] close(3 [pid 6577] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6576] <... sync resumed>) = 0 [pid 6578] <... close resumed>) = 0 [pid 6578] close(4) = 0 [pid 6578] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6580] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6580] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6576] exit_group(0 [pid 6580] sync( [pid 6576] <... exit_group resumed>) = ? [pid 6579] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6578] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6576] +++ exited with 0 +++ [pid 6577] <... mknod resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6576, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6577] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./142", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./142", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6579] <... mount resumed>) = 0 [pid 6577] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... umount2 resumed>) = 0 [pid 6579] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6577] sync( [pid 6579] <... openat resumed>) = 3 [pid 6579] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6579] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6579] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6579] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./142/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./142/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./142/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./142/binderfs" [pid 6578] <... mount resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6578] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] getdents64(3, [pid 6578] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6579] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] close(3 [pid 6579] sync( [pid 6578] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] <... close resumed>) = 0 [pid 6578] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] rmdir("./142" [pid 6578] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... rmdir resumed>) = 0 [pid 6578] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] mkdir("./143", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 6578] <... mknod resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6578] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6581 attached [pid 6581] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6581 [pid 6581] <... set_robust_list resumed>) = 0 [pid 6581] chdir("./143") = 0 [pid 6581] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6581] setpgid(0, 0) = 0 [pid 6581] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6581] write(3, "1000", 4 [pid 6578] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6581] <... write resumed>) = 4 [pid 6581] close(3 [pid 6578] sync( [pid 6581] <... close resumed>) = 0 [pid 6581] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6579] <... sync resumed>) = 0 [pid 6577] <... sync resumed>) = 0 [pid 6579] exit_group(0) = ? [pid 6577] exit_group(0executing program [pid 6581] write(1, "executing program\n", 18 [pid 6577] <... exit_group resumed>) = ? [pid 6581] <... write resumed>) = 18 [pid 6580] <... sync resumed>) = 0 [pid 6581] memfd_create("syzkaller", 0 [pid 6580] exit_group(0 [pid 6581] <... memfd_create resumed>) = 3 [pid 6580] <... exit_group resumed>) = ? [pid 6580] +++ exited with 0 +++ [pid 6579] +++ exited with 0 +++ [pid 6577] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6579, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6577, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6580, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6581] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6581] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 5829] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... openat resumed>) = 3 [pid 5832] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(3, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6578] <... sync resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6578] exit_group(0 [pid 5832] <... openat resumed>) = 3 [pid 6578] <... exit_group resumed>) = ? [pid 5832] newfstatat(3, "", [pid 5829] getdents64(3, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5832] getdents64(3, [pid 5830] <... umount2 resumed>) = 0 [pid 5829] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6581] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6578] +++ exited with 0 +++ [pid 5829] unlink("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6578, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] <... unlink resumed>) = 0 [pid 5831] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6581] <... write resumed>) = 524288 [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5829] newfstatat(AT_FDCWD, "./149/binderfs", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, [pid 5829] unlink("./149/binderfs" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... unlink resumed>) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6581] munmap(0x7fa6be400000, 138412032 [pid 5830] close(4 [pid 6581] <... munmap resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./149") = 0 [pid 5830] rmdir("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] mkdir("./150", 0777) = 0 [pid 5830] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./145/binderfs") = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 6581] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] rmdir("./145" [pid 6581] <... openat resumed>) = 4 [pid 6581] ioctl(4, LOOP_SET_FD, 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5830] mkdir("./146", 0777 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6582 attached [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6582 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6582] set_robust_list(0x555567654760, 24 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6582] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6583 attached [pid 6582] chdir("./150") = 0 [pid 6583] set_robust_list(0x555567654760, 24 [pid 6582] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6582] setpgid(0, 0) = 0 [pid 6583] <... set_robust_list resumed>) = 0 [pid 6582] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5832] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6582] write(3, "1000", 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6583 [pid 6582] <... write resumed>) = 4 [pid 5832] newfstatat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6582] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6582] <... close resumed>) = 0 [pid 5832] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6583] chdir("./146" [pid 6582] symlink("/dev/binderfs", "./binderfs"executing program [pid 5832] <... openat resumed>) = 4 [pid 5831] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6583] <... chdir resumed>) = 0 [pid 6582] <... symlink resumed>) = 0 [pid 6583] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6581] <... ioctl resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 6583] <... prctl resumed>) = 0 [pid 6581] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6583] setpgid(0, 0 [pid 6582] write(1, "executing program\n", 18 [pid 6581] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] <... write resumed>) = 18 [pid 6581] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6582] memfd_create("syzkaller", 0 [pid 6581] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6581] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6583] <... setpgid resumed>) = 0 [pid 6582] <... memfd_create resumed>) = 3 [pid 6581] <... mkdir resumed>) = 0 [pid 5832] close(4 [pid 5831] newfstatat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6583] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6582] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... close resumed>) = 0 [pid 6583] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6583] write(3, "1000", 4 [pid 6582] <... mmap resumed>) = 0x7fa6be400000 [pid 6583] <... write resumed>) = 4 [pid 5831] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6583] close(3) = 0 [pid 5832] rmdir("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6581] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./144/binderfs", [pid 6583] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6583] <... symlink resumed>) = 0 [pid 5832] unlink("./144/binderfs" [pid 5831] openat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 4 executing program [pid 6583] write(1, "executing program\n", 18 [pid 5831] newfstatat(4, "", [pid 6583] <... write resumed>) = 18 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [ 160.265447][ T6581] loop4: detected capacity change from 0 to 1024 [pid 5832] rmdir("./144" [pid 6583] memfd_create("syzkaller", 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6581] <... mount resumed>) = 0 [pid 6582] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6581] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] mkdir("./145", 0777 [pid 5831] getdents64(4, [pid 6581] <... openat resumed>) = 3 [pid 6581] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... mkdir resumed>) = 0 [pid 6583] <... memfd_create resumed>) = 3 [pid 6581] <... chdir resumed>) = 0 [pid 6583] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6581] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6583] <... mmap resumed>) = 0x7fa6be400000 [pid 6581] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] getdents64(4, [pid 6583] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6582] <... write resumed>) = 524288 [pid 6581] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] close(4 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5832] close(3 [pid 6581] <... mknod resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6581] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./144/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./144/binderfs") = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6584 ./strace-static-x86_64: Process 6584 attached [pid 6581] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6581] sync( [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6584] set_robust_list(0x555567654760, 24 [pid 6582] munmap(0x7fa6be400000, 138412032 [pid 5831] close(3 [pid 6582] <... munmap resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6584] <... set_robust_list resumed>) = 0 [pid 6584] chdir("./145" [pid 5831] rmdir("./144" [pid 6582] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6584] <... chdir resumed>) = 0 [pid 6584] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6582] ioctl(4, LOOP_SET_FD, 3 [pid 6584] <... prctl resumed>) = 0 [pid 6584] setpgid(0, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./145", 0777 [pid 6584] <... setpgid resumed>) = 0 [pid 6584] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6584] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 6584] write(3, "1000", 4) = 4 [pid 6584] close(3) = 0 [pid 6584] symlink("/dev/binderfs", "./binderfs" [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 executing program [pid 5831] close(3 [pid 6584] <... symlink resumed>) = 0 [pid 6581] <... sync resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6581] exit_group(0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6581] <... exit_group resumed>) = ? [pid 6584] write(1, "executing program\n", 18./strace-static-x86_64: Process 6585 attached ) = 18 [pid 6583] <... write resumed>) = 524288 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6585 [pid 6584] memfd_create("syzkaller", 0) = 3 [pid 6584] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6582] <... ioctl resumed>) = 0 [pid 6585] set_robust_list(0x555567654760, 24) = 0 [pid 6582] close(3 [pid 6581] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6581, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6585] chdir("./145" [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6585] <... chdir resumed>) = 0 [pid 6583] munmap(0x7fa6be400000, 138412032 [pid 6582] <... close resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6582] close(4) = 0 [pid 6582] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./143", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6585] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6583] <... munmap resumed>) = 0 [pid 6582] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./143", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6582] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] newfstatat(3, "", [pid 6585] <... prctl resumed>) = 0 [pid 6583] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6583] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6585] setpgid(0, 0 [pid 6583] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6585] <... setpgid resumed>) = 0 [ 160.371453][ T6582] loop0: detected capacity change from 0 to 1024 [pid 6583] ioctl(4, LOOP_CLR_FD [pid 6585] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6583] <... ioctl resumed>) = 0 [pid 6584] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6585] <... openat resumed>) = 3 [pid 6585] write(3, "1000", 4 [pid 6583] ioctl(4, LOOP_SET_FD, 3 [pid 6582] <... mount resumed>) = 0 [pid 6582] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6585] <... write resumed>) = 4 [pid 6583] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6585] close(3 [pid 6583] close(4 [pid 6582] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6582] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6582] <... chdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6582] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6582] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6582] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] openat(AT_FDCWD, "./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6584] <... write resumed>) = 524288 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6582] <... mknod resumed>) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./143/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6585] <... close resumed>) = 0 [pid 6584] munmap(0x7fa6be400000, 138412032 [pid 6583] <... close resumed>) = 0 [pid 6582] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6585] symlink("/dev/binderfs", "./binderfs" [pid 6584] <... munmap resumed>) = 0 [pid 5833] umount2("./143/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./143/binderfs", [pid 6584] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6584] <... openat resumed>) = 4 [pid 5833] unlink("./143/binderfs" [pid 6584] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... unlink resumed>) = 0 [pid 6585] <... symlink resumed>) = 0 [pid 6584] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6583] close(3 [pid 6585] write(1, "executing program\n", 18executing program ) = 18 [pid 6585] memfd_create("syzkaller", 0 [pid 6584] ioctl(4, LOOP_CLR_FD [pid 6583] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 6585] <... memfd_create resumed>) = 3 [pid 6583] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6585] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6584] <... ioctl resumed>) = 0 [pid 6583] <... mknod resumed>) = 0 [pid 5833] close(3 [pid 6585] <... mmap resumed>) = 0x7fa6be400000 [pid 6583] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./143") = 0 [pid 6584] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6583] <... link resumed>) = 0 [pid 6582] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] mkdir("./144", 0777 [pid 6584] close(4 [pid 6582] sync( [pid 5833] <... mkdir resumed>) = 0 [pid 6583] sync( [pid 6585] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6584] <... close resumed>) = 0 [pid 6585] <... write resumed>) = 524288 [pid 5833] <... openat resumed>) = 3 [pid 6585] munmap(0x7fa6be400000, 138412032 [pid 6582] <... sync resumed>) = 0 [pid 6583] <... sync resumed>) = 0 [pid 6584] close(3 [pid 6583] exit_group(0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6585] <... munmap resumed>) = 0 [pid 6583] <... exit_group resumed>) = ? [pid 5833] <... ioctl resumed>) = 0 [pid 6583] +++ exited with 0 +++ [pid 5833] close(3 [pid 6585] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6582] exit_group(0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6583, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6585] ioctl(4, LOOP_SET_FD, 3 [pid 6582] <... exit_group resumed>) = ? [pid 6582] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5830] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6582, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6584] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6584] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] getdents64(3, [pid 6584] <... mknod resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5830] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... restart_syscall resumed>) = 0 [pid 6584] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6584] <... link resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(3, "", [pid 6584] sync( [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6586 attached [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5830] newfstatat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] set_robust_list(0x555567654760, 24 [pid 5830] unlink("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6586] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6586 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6586] chdir("./144" [pid 5829] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] <... chdir resumed>) = 0 [pid 6586] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6584] <... sync resumed>) = 0 [pid 6586] <... prctl resumed>) = 0 [pid 6584] exit_group(0 [pid 6586] setpgid(0, 0 [pid 6584] <... exit_group resumed>) = ? [pid 5830] <... unlink resumed>) = 0 [pid 6586] <... setpgid resumed>) = 0 [pid 5830] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6584] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6584, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5832] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./146/binderfs", [pid 6585] <... ioctl resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6586] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 6586] write(3, "1000", 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6586] <... write resumed>) = 4 [pid 5832] getdents64(3, [pid 6586] close(3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6586] <... close resumed>) = 0 [pid 5832] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./146/binderfs" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... unlink resumed>) = 0 [pid 6586] symlink("/dev/binderfs", "./binderfs" [pid 5832] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6585] close(3 [pid 5830] getdents64(3, [pid 6585] <... close resumed>) = 0 [pid 6586] <... symlink resumed>) = 0 [pid 6585] close(4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 executing program [pid 5832] unlink("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6586] write(1, "executing program\n", 18 [pid 5832] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6586] <... write resumed>) = 18 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6586] memfd_create("syzkaller", 0 [pid 5832] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 6585] <... close resumed>) = 0 [pid 6586] <... memfd_create resumed>) = 3 [pid 5832] unlink("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6586] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6585] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... close resumed>) = 0 [pid 6586] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... unlink resumed>) = 0 [pid 6585] <... mkdir resumed>) = 0 [pid 5832] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./146" [pid 5829] <... umount2 resumed>) = 0 [pid 6585] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./145/binderfs", [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./147", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] unlink("./145/binderfs") = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./145" [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] openat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... rmdir resumed>) = 0 [pid 5830] close(3 [ 160.562311][ T6585] loop2: detected capacity change from 0 to 1024 [pid 5829] <... openat resumed>) = 4 [pid 5832] mkdir("./146", 0777 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 5832] <... mkdir resumed>) = 0 [pid 6586] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] getdents64(4, [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5832] close(3 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... close resumed>) = 0 ./strace-static-x86_64: Process 6587 attached [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6587 [pid 5829] getdents64(4, ./strace-static-x86_64: Process 6588 attached [pid 6587] set_robust_list(0x555567654760, 24 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6586] munmap(0x7fa6be400000, 138412032 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6588 [pid 5829] close(4 [pid 6587] <... set_robust_list resumed>) = 0 [pid 6588] set_robust_list(0x555567654760, 24 [pid 6587] chdir("./147" [pid 6586] <... munmap resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6588] <... set_robust_list resumed>) = 0 [pid 6587] <... chdir resumed>) = 0 [pid 6585] <... mount resumed>) = 0 [pid 5829] rmdir("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6587] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6585] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6588] chdir("./146" [pid 6587] <... prctl resumed>) = 0 [pid 6586] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6585] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 6587] setpgid(0, 0 [pid 6585] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] <... setpgid resumed>) = 0 [pid 6585] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6588] <... chdir resumed>) = 0 [pid 6586] <... openat resumed>) = 4 [pid 6588] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6587] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6586] ioctl(4, LOOP_SET_FD, 3 [pid 6585] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] newfstatat(AT_FDCWD, "./150/binderfs", [pid 6588] <... prctl resumed>) = 0 [pid 6587] <... openat resumed>) = 3 [pid 6588] setpgid(0, 0 [pid 6587] write(3, "1000", 4 [pid 6585] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6588] <... setpgid resumed>) = 0 [pid 6587] <... write resumed>) = 4 [pid 6585] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] unlink("./150/binderfs" [pid 6588] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6587] close(3 [pid 6588] <... openat resumed>) = 3 [pid 6588] write(3, "1000", 4) = 4 [pid 6587] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6588] close(3) = 0 [pid 6588] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5829] getdents64(3, [pid 6588] write(1, "executing program\n", 18) = 18 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6588] memfd_create("syzkaller", 0 [pid 6587] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... close resumed>) = 0 [pid 6585] <... mknod resumed>) = 0 [pid 6588] <... memfd_create resumed>) = 3 [pid 6587] <... symlink resumed>) = 0 [pid 6585] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] rmdir("./150" [pid 6587] write(1, "executing program\n", 18 [pid 6588] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0executing program ) = 0x7fa6be400000 [pid 5829] <... rmdir resumed>) = 0 [pid 6587] <... write resumed>) = 18 [pid 5829] mkdir("./151", 0777 [pid 6587] memfd_create("syzkaller", 0) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 6587] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6585] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6588] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6587] <... mmap resumed>) = 0x7fa6be400000 [pid 6585] sync( [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6586] <... ioctl resumed>) = 0 [pid 6586] close(3) = 0 [pid 6586] close(4) = 0 [pid 6586] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777./strace-static-x86_64: Process 6589 attached [pid 6589] set_robust_list(0x555567654760, 24 [pid 6587] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6586] <... mkdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6589 [pid 6589] <... set_robust_list resumed>) = 0 [pid 6589] chdir("./151" [pid 6588] <... write resumed>) = 524288 [pid 6586] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6589] <... chdir resumed>) = 0 [pid 6588] munmap(0x7fa6be400000, 138412032 [pid 6589] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6588] <... munmap resumed>) = 0 [pid 6589] <... prctl resumed>) = 0 [ 160.697962][ T6586] loop4: detected capacity change from 0 to 1024 [pid 6588] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6589] setpgid(0, 0 [pid 6588] <... openat resumed>) = 4 [pid 6589] <... setpgid resumed>) = 0 [pid 6589] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6589] write(3, "1000", 4 [pid 6588] ioctl(4, LOOP_SET_FD, 3 [pid 6589] <... write resumed>) = 4 [pid 6587] <... write resumed>) = 524288 [pid 6589] close(3) = 0 [pid 6589] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6589] write(1, "executing program\n", 18executing program ) = 18 [pid 6588] <... ioctl resumed>) = 0 [pid 6589] memfd_create("syzkaller", 0 [pid 6587] munmap(0x7fa6be400000, 138412032 [pid 6586] <... mount resumed>) = 0 [pid 6586] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6588] close(3 [pid 6586] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6588] <... close resumed>) = 0 [pid 6586] <... chdir resumed>) = 0 [pid 6588] close(4 [pid 6586] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6588] <... close resumed>) = 0 [pid 6586] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6588] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6586] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6589] <... memfd_create resumed>) = 3 [pid 6588] <... mkdir resumed>) = 0 [pid 6587] <... munmap resumed>) = 0 [pid 6589] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6587] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6589] <... mmap resumed>) = 0x7fa6be400000 [pid 6588] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6587] <... openat resumed>) = 4 [pid 6585] <... sync resumed>) = 0 [pid 6586] <... mknod resumed>) = 0 [ 160.749221][ T6588] loop3: detected capacity change from 0 to 1024 [pid 6586] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6587] ioctl(4, LOOP_SET_FD, 3 [pid 6585] exit_group(0) = ? [pid 6585] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6585, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6589] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6586] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6586] sync( [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5831] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6589] <... write resumed>) = 524288 [pid 6587] <... ioctl resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6589] munmap(0x7fa6be400000, 138412032 [pid 6587] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6589] <... munmap resumed>) = 0 [pid 6587] <... close resumed>) = 0 [pid 6589] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6587] close(4 [pid 6589] <... openat resumed>) = 4 [pid 6588] <... mount resumed>) = 0 [pid 6587] <... close resumed>) = 0 [pid 5831] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6587] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6589] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6588] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] newfstatat(4, "", [pid 6588] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6588] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 160.800057][ T6587] loop1: detected capacity change from 0 to 1024 [pid 5831] getdents64(4, [pid 6588] <... chdir resumed>) = 0 [pid 6588] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6588] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./145/binderfs") = 0 [pid 5831] getdents64(3, [pid 6587] <... mkdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./145" [pid 6587] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... rmdir resumed>) = 0 [pid 6588] <... mknod resumed>) = 0 [pid 5831] mkdir("./146", 0777) = 0 [pid 6588] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6589] <... ioctl resumed>) = 0 [pid 6589] close(3) = 0 [pid 6589] close(4) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6589] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 6589] <... mkdir resumed>) = 0 [pid 6587] <... mount resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6589] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6587] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY./strace-static-x86_64: Process 6590 attached [pid 6590] set_robust_list(0x555567654760, 24 [pid 6588] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6587] <... openat resumed>) = 3 [pid 6590] <... set_robust_list resumed>) = 0 [pid 6590] chdir("./146" [pid 6588] sync( [pid 6589] <... mount resumed>) = 0 [pid 6587] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6586] <... sync resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6590 [pid 6589] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6587] <... chdir resumed>) = 0 [pid 6589] <... openat resumed>) = 3 [pid 6587] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6590] <... chdir resumed>) = 0 [pid 6586] exit_group(0 [pid 6590] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6589] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6586] <... exit_group resumed>) = ? [pid 6589] <... chdir resumed>) = 0 [ 160.861718][ T6589] loop0: detected capacity change from 0 to 1024 [pid 6590] <... prctl resumed>) = 0 [pid 6589] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6590] setpgid(0, 0 [pid 6589] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6587] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6590] <... setpgid resumed>) = 0 [pid 6589] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6587] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6586] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6586, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] umount2("./144", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./144", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6590] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6588] <... sync resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6590] write(3, "1000", 4 [pid 6589] <... mknod resumed>) = 0 [pid 6588] exit_group(0 [pid 6587] <... mknod resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 6590] <... write resumed>) = 4 [pid 6589] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6587] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6590] close(3 [pid 6588] <... exit_group resumed>) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6590] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 6590] symlink("/dev/binderfs", "./binderfs" [pid 6588] +++ exited with 0 +++ [pid 6590] <... symlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6590] write(1, "executing program\n", 18 [pid 6589] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6587] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6588, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6590] <... write resumed>) = 18 [pid 6589] sync( [pid 6587] sync( [pid 6590] memfd_create("syzkaller", 0) = 3 [pid 6590] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6590] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6589] <... sync resumed>) = 0 [pid 6587] <... sync resumed>) = 0 [pid 6589] exit_group(0 [pid 6587] exit_group(0 [pid 5833] <... umount2 resumed>) = 0 [pid 6589] <... exit_group resumed>) = ? [pid 6587] <... exit_group resumed>) = ? [pid 6589] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = 0 [pid 6587] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6587, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6589, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] newfstatat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6590] <... write resumed>) = 524288 [pid 5833] openat(AT_FDCWD, "./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 4 [pid 6590] munmap(0x7fa6be400000, 138412032 [pid 5833] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5833] newfstatat(4, "", [pid 5832] newfstatat(4, "", [pid 6590] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(3, "", [pid 5829] newfstatat(3, "", [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./144/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./144/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6590] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5833] newfstatat(AT_FDCWD, "./144/binderfs", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(3, [pid 5830] getdents64(3, [pid 6590] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(4, [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6590] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./144/binderfs" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] getdents64(3, [pid 5832] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 5832] newfstatat(AT_FDCWD, "./146/binderfs", [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] rmdir("./144" [pid 5832] unlink("./146/binderfs" [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5833] mkdir("./145", 0777 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./146") = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5832] mkdir("./147", 0777 [pid 6590] <... ioctl resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6590] close(3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... umount2 resumed>) = 0 [pid 6590] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5833] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(3 [pid 6590] close(4 [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6591 attached [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6592 attached [pid 6590] <... close resumed>) = 0 [pid 5830] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6590] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6590] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6591] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6591 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6592] set_robust_list(0x555567654760, 24 [pid 6591] <... set_robust_list resumed>) = 0 [pid 6590] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6592 [pid 5830] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6592] <... set_robust_list resumed>) = 0 [pid 6591] chdir("./145" [pid 5829] <... openat resumed>) = 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 161.060250][ T6590] loop2: detected capacity change from 0 to 1024 [pid 5829] newfstatat(4, "", [pid 5830] openat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6592] chdir("./147" [pid 5830] <... openat resumed>) = 4 [pid 5829] getdents64(4, [pid 6592] <... chdir resumed>) = 0 [pid 6591] <... chdir resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6592] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6591] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] getdents64(4, [pid 6592] <... prctl resumed>) = 0 [pid 6591] <... prctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6592] setpgid(0, 0 [pid 6591] setpgid(0, 0 [pid 5830] getdents64(4, [pid 5829] close(4 [pid 6592] <... setpgid resumed>) = 0 [pid 6591] <... setpgid resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6592] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6591] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] rmdir("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6592] <... openat resumed>) = 3 [pid 6591] <... openat resumed>) = 3 [pid 6590] <... mount resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... rmdir resumed>) = 0 [pid 6592] write(3, "1000", 4 [pid 6590] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6592] <... write resumed>) = 4 [pid 6591] write(3, "1000", 4 [pid 6590] <... openat resumed>) = 3 [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./151/binderfs", [pid 5830] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6590] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./151/binderfs" [pid 6590] <... chdir resumed>) = 0 [pid 5830] rmdir("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6592] close(3) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6592] symlink("/dev/binderfs", "./binderfs" [pid 6591] <... write resumed>) = 4 [pid 6590] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, executing program [pid 6592] <... symlink resumed>) = 0 [pid 6591] close(3 [pid 6590] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6590] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 6592] write(1, "executing program\n", 18 [pid 6591] <... close resumed>) = 0 [pid 6592] <... write resumed>) = 18 [pid 6591] symlink("/dev/binderfs", "./binderfs" [pid 6592] memfd_create("syzkaller", 0 [pid 6591] <... symlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6592] <... memfd_create resumed>) = 3 executing program [pid 5830] newfstatat(AT_FDCWD, "./147/binderfs", [pid 5829] rmdir("./151" [pid 6592] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6591] write(1, "executing program\n", 18) = 18 [pid 6591] memfd_create("syzkaller", 0) = 3 [pid 6591] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5829] <... rmdir resumed>) = 0 [pid 6591] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6590] <... mknod resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] mkdir("./152", 0777 [pid 6592] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] unlink("./147/binderfs" [pid 5829] <... mkdir resumed>) = 0 [pid 6590] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6590] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 6590] sync( [pid 5830] <... close resumed>) = 0 [pid 5829] close(3 [pid 5830] rmdir("./147" [pid 5829] <... close resumed>) = 0 [pid 6592] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6593 attached [pid 6592] <... write resumed>) = 524288 [pid 5830] mkdir("./148", 0777) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6593 [pid 6593] set_robust_list(0x555567654760, 24) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6593] chdir("./152") = 0 [pid 5830] <... openat resumed>) = 3 [pid 6591] <... write resumed>) = 524288 [pid 6593] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6592] munmap(0x7fa6be400000, 138412032 [pid 6590] <... sync resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6593] <... prctl resumed>) = 0 [pid 6591] munmap(0x7fa6be400000, 138412032 [pid 6593] setpgid(0, 0 [pid 6591] <... munmap resumed>) = 0 [pid 6590] exit_group(0 [pid 5830] <... ioctl resumed>) = 0 [pid 6593] <... setpgid resumed>) = 0 [pid 6590] <... exit_group resumed>) = ? [pid 6592] <... munmap resumed>) = 0 [pid 6591] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] close(3 [pid 6591] <... openat resumed>) = 4 [pid 6593] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6592] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6591] ioctl(4, LOOP_SET_FD, 3 [pid 6590] +++ exited with 0 +++ [pid 6591] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6590, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6591] ioctl(4, LOOP_CLR_FD [pid 6592] <... openat resumed>) = 4 [pid 6591] <... ioctl resumed>) = 0 [pid 6592] ioctl(4, LOOP_SET_FD, 3 [pid 6591] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6593] <... openat resumed>) = 3 [pid 6591] close(4 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 6593] write(3, "1000", 4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6593] <... write resumed>) = 4 [pid 6591] <... close resumed>) = 0 [pid 5831] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6593] close(3 [pid 6591] close(3 [pid 5830] <... close resumed>) = 0 [pid 6593] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6593] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6591] <... close resumed>) = 0 [pid 6593] write(1, "executing program\n", 18./strace-static-x86_64: Process 6594 attached [pid 6594] set_robust_list(0x555567654760, 24) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6594 [pid 6594] chdir("./148"executing program ) = 0 [pid 6593] <... write resumed>) = 18 [pid 6594] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6593] memfd_create("syzkaller", 0 [pid 6594] setpgid(0, 0 [pid 6593] <... memfd_create resumed>) = 3 [pid 6594] <... setpgid resumed>) = 0 [pid 6593] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6594] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6593] <... mmap resumed>) = 0x7fa6be400000 [pid 6594] <... openat resumed>) = 3 [pid 6591] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6594] write(3, "1000", 4 [pid 6591] <... mknod resumed>) = 0 [pid 6594] <... write resumed>) = 4 [pid 6594] close(3) = 0 [pid 6591] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6594] symlink("/dev/binderfs", "./binderfs" [pid 6592] <... ioctl resumed>) = 0 [pid 6591] <... link resumed>) = 0 [pid 6594] <... symlink resumed>) = 0 [pid 6593] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program [pid 6594] write(1, "executing program\n", 18 [pid 6592] close(3 [pid 6591] sync( [pid 6594] <... write resumed>) = 18 [pid 6592] <... close resumed>) = 0 [pid 6594] memfd_create("syzkaller", 0 [pid 6592] close(4 [pid 6594] <... memfd_create resumed>) = 3 [pid 6592] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6592] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6594] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6592] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6594] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] newfstatat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 161.221889][ T6592] loop3: detected capacity change from 0 to 1024 [pid 6592] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6594] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./146/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./146/binderfs") = 0 [pid 6594] <... write resumed>) = 524288 [pid 6593] <... write resumed>) = 524288 [pid 6592] <... mount resumed>) = 0 [pid 5831] getdents64(3, [pid 6593] munmap(0x7fa6be400000, 138412032 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6594] munmap(0x7fa6be400000, 138412032 [pid 6592] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] close(3 [pid 6593] <... munmap resumed>) = 0 [pid 6592] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 6591] <... sync resumed>) = 0 [pid 5831] rmdir("./146" [pid 6594] <... munmap resumed>) = 0 [pid 6592] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6591] exit_group(0 [pid 5831] <... rmdir resumed>) = 0 [pid 6592] <... chdir resumed>) = 0 [pid 6591] <... exit_group resumed>) = ? [pid 5831] mkdir("./147", 0777 [pid 6594] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6592] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6591] +++ exited with 0 +++ [pid 5831] <... mkdir resumed>) = 0 [pid 6594] <... openat resumed>) = 4 [pid 6592] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6591, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6592] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6594] ioctl(4, LOOP_SET_FD, 3 [pid 6593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6593] ioctl(4, LOOP_SET_FD, 3 [pid 6592] <... mknod resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6592] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./145", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./145", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6593] <... ioctl resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6593] close(3 [pid 6594] <... ioctl resumed>) = 0 [pid 6593] <... close resumed>) = 0 [pid 5833] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6593] close(4 [pid 5833] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6593] <... close resumed>) = 0 [pid 6593] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6594] close(3 [pid 6592] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] unlink("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6595 attached [pid 6594] <... close resumed>) = 0 [pid 6593] <... mkdir resumed>) = 0 [pid 6594] close(4) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6592] sync( [pid 6595] set_robust_list(0x555567654760, 24 [pid 6594] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6595] <... set_robust_list resumed>) = 0 [pid 6594] <... mkdir resumed>) = 0 [pid 6593] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] umount2("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6595 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 161.343723][ T6594] loop1: detected capacity change from 0 to 1024 [ 161.352936][ T6593] loop0: detected capacity change from 0 to 1024 [pid 6595] chdir("./147" [pid 5833] newfstatat(AT_FDCWD, "./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6595] <... chdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./145/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6595] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6594] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6595] setpgid(0, 0 [pid 5833] <... unlink resumed>) = 0 [pid 6595] <... setpgid resumed>) = 0 [pid 6595] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./145/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6595] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./145/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./145/binderfs") = 0 [pid 6595] write(3, "1000", 4) = 4 [pid 6595] close(3 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6595] <... close resumed>) = 0 [pid 6595] symlink("/dev/binderfs", "./binderfs" [pid 5833] close(3 [pid 6593] <... mount resumed>) = 0 [pid 6595] <... symlink resumed>) = 0 [pid 6594] <... mount resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./145" [pid 6594] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... rmdir resumed>) = 0 [pid 6594] <... openat resumed>) = 3 [pid 6593] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6594] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6593] <... openat resumed>) = 3 [pid 6594] <... chdir resumed>) = 0 [pid 6593] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6594] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6593] <... chdir resumed>) = 0 [pid 6594] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6593] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6593] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6595] write(1, "executing program\n", 18 [pid 6594] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6595] <... write resumed>) = 18 [pid 5833] mkdir("./146", 0777 [pid 6595] memfd_create("syzkaller", 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6595] <... memfd_create resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6595] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6594] <... mknod resumed>) = 0 [pid 6594] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 6593] <... mknod resumed>) = 0 [pid 6593] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6595] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6596 attached , child_tidptr=0x555567654750) = 6596 [pid 6596] set_robust_list(0x555567654760, 24 [pid 6594] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6596] <... set_robust_list resumed>) = 0 [pid 6594] sync( [pid 6596] chdir("./146" [pid 6593] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6593] sync( [pid 6596] <... chdir resumed>) = 0 [pid 6596] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6592] <... sync resumed>) = 0 [pid 6596] <... prctl resumed>) = 0 [pid 6592] exit_group(0) = ? [pid 6596] setpgid(0, 0 [pid 6595] <... write resumed>) = 524288 [pid 6592] +++ exited with 0 +++ [pid 6596] <... setpgid resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6592, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6596] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6596] write(3, "1000", 4) = 4 [pid 6595] munmap(0x7fa6be400000, 138412032 [pid 6596] close(3 [pid 6594] <... sync resumed>) = 0 [pid 6593] <... sync resumed>) = 0 [pid 6593] exit_group(0 [pid 6595] <... munmap resumed>) = 0 [pid 6593] <... exit_group resumed>) = ? [pid 6596] <... close resumed>) = 0 [pid 5832] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6596] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6595] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6594] exit_group(0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6596] write(1, "executing program\n", 18 [pid 5832] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6596] <... write resumed>) = 18 [pid 6596] memfd_create("syzkaller", 0 [pid 6595] <... openat resumed>) = 4 [pid 6594] <... exit_group resumed>) = ? [pid 6593] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 6596] <... memfd_create resumed>) = 3 [pid 6595] ioctl(4, LOOP_SET_FD, 3 [pid 6594] +++ exited with 0 +++ [pid 5832] newfstatat(3, "", [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6593, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6596] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6596] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] getdents64(3, [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6594, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5829] <... umount2 resumed>) = 0 [pid 6596] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6595] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6595] close(3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] newfstatat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6596] <... write resumed>) = 524288 [pid 6595] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5829] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 6595] close(4 [pid 6596] munmap(0x7fa6be400000, 138412032 [pid 6595] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] rmdir("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6595] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 6595] <... mkdir resumed>) = 0 [pid 5829] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./152/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3) = 0 [pid 5829] rmdir("./152") = 0 [pid 6596] <... munmap resumed>) = 0 [pid 6595] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./153", 0777 [pid 6596] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 161.552722][ T6595] loop2: detected capacity change from 0 to 1024 [pid 5832] newfstatat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... mkdir resumed>) = 0 [pid 6596] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] <... openat resumed>) = 4 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6596] <... ioctl resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = 0 [pid 6596] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6596] <... close resumed>) = 0 [pid 5830] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6596] close(4 [pid 5832] getdents64(4, [pid 6596] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6596] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5830] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6596] <... mkdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] close(4 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5832] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6597 attached [pid 5832] rmdir("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6597 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 6597] set_robust_list(0x555567654760, 24 [pid 6596] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] newfstatat(AT_FDCWD, "./147/binderfs", [pid 6597] <... set_robust_list resumed>) = 0 [pid 5830] close(4 [pid 6597] chdir("./153" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 6597] <... chdir resumed>) = 0 [pid 5830] rmdir("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6597] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6595] <... mount resumed>) = 0 [pid 5832] unlink("./147/binderfs" [pid 5830] <... rmdir resumed>) = 0 [pid 6597] <... prctl resumed>) = 0 [pid 5830] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6597] setpgid(0, 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6597] <... setpgid resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./148/binderfs", [pid 6597] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6595] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] getdents64(3, [pid 6595] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6595] <... chdir resumed>) = 0 [pid 5832] close(3 [pid 5830] unlink("./148/binderfs" [pid 6595] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6597] <... openat resumed>) = 3 [pid 6595] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] rmdir("./147" [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6595] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6597] write(3, "1000", 4 [pid 5830] rmdir("./148" [pid 6597] <... write resumed>) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 6597] close(3 [pid 5832] mkdir("./148", 0777 [pid 5830] mkdir("./149", 0777 [pid 6596] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6596] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6597] <... close resumed>) = 0 [pid 6596] <... openat resumed>) = 3 [pid 6595] <... mknod resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [ 161.611204][ T6596] loop4: detected capacity change from 0 to 1024 [pid 6597] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6596] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6595] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3executing program [pid 6596] <... chdir resumed>) = 0 [pid 5832] close(3 [pid 6596] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 6597] write(1, "executing program\n", 18 [pid 6596] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6597] <... write resumed>) = 18 [pid 6597] memfd_create("syzkaller", 0 [pid 6596] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6597] <... memfd_create resumed>) = 3 [pid 6597] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 ./strace-static-x86_64: Process 6598 attached [pid 6597] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6595] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6598 [pid 6596] <... mknod resumed>) = 0 [pid 6596] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6595] sync( [pid 5830] <... close resumed>) = 0 [pid 6598] set_robust_list(0x555567654760, 24) = 0 [pid 6598] chdir("./148") = 0 [pid 6598] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6598] setpgid(0, 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6598] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 6599 attached [pid 6598] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6599] set_robust_list(0x555567654760, 24 [pid 6598] write(3, "1000", 4 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6599 [pid 6599] <... set_robust_list resumed>) = 0 [pid 6598] <... write resumed>) = 4 [pid 6596] <... link resumed>) = -1 ENOSPC (No space left on device) executing program [pid 6599] chdir("./149" [pid 6596] sync( [pid 6598] close(3) = 0 [pid 6598] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6599] <... chdir resumed>) = 0 [pid 6598] write(1, "executing program\n", 18 [pid 6599] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6598] <... write resumed>) = 18 [pid 6599] <... prctl resumed>) = 0 [pid 6598] memfd_create("syzkaller", 0 [pid 6599] setpgid(0, 0 [pid 6598] <... memfd_create resumed>) = 3 [pid 6599] <... setpgid resumed>) = 0 [pid 6598] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6595] <... sync resumed>) = 0 [pid 6595] exit_group(0 [pid 6597] <... write resumed>) = 524288 [pid 6595] <... exit_group resumed>) = ? [pid 6599] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6598] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6596] <... sync resumed>) = 0 [pid 6595] +++ exited with 0 +++ [pid 6599] <... openat resumed>) = 3 [pid 6596] exit_group(0) = ? [pid 6599] write(3, "1000", 4 [pid 6596] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6596, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6599] <... write resumed>) = 4 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6597] munmap(0x7fa6be400000, 138412032) = 0 [pid 6597] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6597] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6597] ioctl(4, LOOP_CLR_FD) = 0 [pid 6599] close(3 [pid 6598] <... write resumed>) = 524288 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6595, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6599] <... close resumed>) = 0 [pid 6598] munmap(0x7fa6be400000, 138412032 [pid 5831] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6599] symlink("/dev/binderfs", "./binderfs" [pid 6597] ioctl(4, LOOP_SET_FD, 3 [pid 6598] <... munmap resumed>) = 0 [pid 6597] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6597] close(4 [pid 5833] umount2("./146", MNT_FORCE|UMOUNT_NOFOLLOW executing program [pid 6599] <... symlink resumed>) = 0 [pid 6598] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6597] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6599] write(1, "executing program\n", 18) = 18 [pid 6597] close(3 [pid 5833] openat(AT_FDCWD, "./146", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6599] memfd_create("syzkaller", 0 [pid 6597] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 6599] <... memfd_create resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6599] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] newfstatat(3, "", [pid 6599] <... mmap resumed>) = 0x7fa6be400000 [pid 6598] <... openat resumed>) = 4 [pid 5833] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 6598] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6598] <... ioctl resumed>) = 0 [pid 6599] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6597] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... umount2 resumed>) = 0 [pid 6597] <... mknod resumed>) = 0 [pid 6597] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6597] sync( [pid 5833] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6598] close(3 [pid 5833] newfstatat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6598] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6598] close(4 [pid 5833] umount2("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6598] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6598] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] openat(AT_FDCWD, "./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6598] <... mkdir resumed>) = 0 [pid 6597] <... sync resumed>) = 0 [pid 6598] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6597] exit_group(0 [pid 5833] getdents64(4, [pid 5831] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6597] <... exit_group resumed>) = ? [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(4 [pid 5831] newfstatat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] rmdir("./146/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6597] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6597, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] openat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6599] <... write resumed>) = 524288 [ 161.789989][ T6598] loop3: detected capacity change from 0 to 1024 [pid 6598] <... mount resumed>) = 0 [pid 5833] umount2("./146/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5829] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6599] munmap(0x7fa6be400000, 138412032 [pid 6598] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6598] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./146/binderfs", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6598] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(4, [pid 5829] <... openat resumed>) = 3 [pid 6599] <... munmap resumed>) = 0 [pid 6598] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] unlink("./146/binderfs" [pid 5829] newfstatat(3, "", [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6598] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6598] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] getdents64(4, [pid 5829] getdents64(3, [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] close(4 [pid 5829] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./147/binderfs") = 0 [pid 5831] getdents64(3, [pid 5833] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] rmdir("./147") = 0 [pid 6599] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6598] <... mknod resumed>) = 0 [pid 5833] close(3 [pid 5831] mkdir("./148", 0777 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6599] <... openat resumed>) = 4 [pid 6598] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] unlink("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6599] ioctl(4, LOOP_SET_FD, 3 [pid 5833] rmdir("./146" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... unlink resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6598] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... rmdir resumed>) = 0 [pid 5831] close(3 [pid 5829] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6598] sync( [pid 5833] mkdir("./147", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5829] unlink("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5833] close(3 [pid 5829] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6599] <... ioctl resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6600 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./153/binderfs", ./strace-static-x86_64: Process 6600 attached {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6599] close(3 [pid 5829] unlink("./153/binderfs" [pid 6599] <... close resumed>) = 0 [pid 6599] close(4) = 0 [pid 6599] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... unlink resumed>) = 0 [pid 6600] set_robust_list(0x555567654760, 24) = 0 [pid 6599] <... mkdir resumed>) = 0 [pid 6600] chdir("./148") = 0 [pid 6600] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6599] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6600] <... prctl resumed>) = 0 [pid 5829] getdents64(3, [pid 6600] setpgid(0, 0) = 0 [pid 6600] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6600] <... openat resumed>) = 3 [pid 6600] write(3, "1000", 4 [pid 5829] close(3 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... close resumed>) = 0 [ 161.877562][ T6599] loop1: detected capacity change from 0 to 1024 executing program [pid 5829] rmdir("./153" [pid 6600] <... write resumed>) = 4 [pid 6600] close(3./strace-static-x86_64: Process 6601 attached ) = 0 [pid 6600] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6601] set_robust_list(0x555567654760, 24 [pid 6600] write(1, "executing program\n", 18 [pid 6601] <... set_robust_list resumed>) = 0 [pid 6600] <... write resumed>) = 18 [pid 6601] chdir("./147" [pid 6600] memfd_create("syzkaller", 0 [pid 6601] <... chdir resumed>) = 0 [pid 6600] <... memfd_create resumed>) = 3 [pid 6599] <... mount resumed>) = 0 [pid 6600] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6599] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6601 [pid 5829] <... rmdir resumed>) = 0 [pid 6600] <... mmap resumed>) = 0x7fa6be400000 [pid 6599] <... openat resumed>) = 3 [pid 5829] mkdir("./154", 0777 [pid 6600] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6599] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... mkdir resumed>) = 0 [pid 6598] <... sync resumed>) = 0 [pid 6601] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6599] <... chdir resumed>) = 0 [pid 6601] <... prctl resumed>) = 0 [pid 6599] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6601] setpgid(0, 0 [pid 6599] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6598] exit_group(0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6601] <... setpgid resumed>) = 0 [pid 6599] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6598] <... exit_group resumed>) = ? [pid 5829] <... openat resumed>) = 3 [pid 6601] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6598] +++ exited with 0 +++ [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6601] write(3, "1000", 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6598, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] close(3executing program [pid 6601] <... write resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6601] close(3 [pid 6599] <... mknod resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6601] <... close resumed>) = 0 [pid 6601] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6599] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6602 attached [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6602 [pid 6601] write(1, "executing program\n", 18) = 18 [pid 6601] memfd_create("syzkaller", 0 [pid 6602] set_robust_list(0x555567654760, 24 [pid 5832] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] <... set_robust_list resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6602] chdir("./154" [pid 6601] <... memfd_create resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 6601] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6602] <... chdir resumed>) = 0 [pid 6602] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6601] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] getdents64(3, [pid 6602] <... prctl resumed>) = 0 [pid 6602] setpgid(0, 0 [pid 6601] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6600] <... write resumed>) = 524288 [pid 6602] <... setpgid resumed>) = 0 [pid 6601] <... write resumed>) = 524288 [pid 6599] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6599] sync( [pid 6600] munmap(0x7fa6be400000, 138412032 [pid 6601] munmap(0x7fa6be400000, 138412032 [pid 6600] <... munmap resumed>) = 0 [pid 6602] <... openat resumed>) = 3 [pid 6601] <... munmap resumed>) = 0 [pid 6600] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6601] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6602] write(3, "1000", 4 [pid 6600] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = 0 [pid 6601] ioctl(4, LOOP_SET_FD, 3 [pid 6602] <... write resumed>) = 4 [pid 6600] ioctl(4, LOOP_SET_FD, 3 [pid 6602] close(3) = 0 [pid 5832] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6602] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6602] <... symlink resumed>) = 0 executing program [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6602] write(1, "executing program\n", 18) = 18 [pid 5832] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6602] memfd_create("syzkaller", 0 [pid 5832] <... openat resumed>) = 4 [pid 6602] <... memfd_create resumed>) = 3 [pid 6602] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] newfstatat(4, "", [pid 6599] <... sync resumed>) = 0 [pid 6599] exit_group(0) = ? [pid 6599] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6602] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6600] <... ioctl resumed>) = 0 [pid 5832] getdents64(4, [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6599, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6601] <... ioctl resumed>) = 0 [pid 6600] close(3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6602] <... write resumed>) = 524288 [pid 6601] close(3 [pid 6600] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6601] <... close resumed>) = 0 [pid 6600] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] close(4 [pid 6600] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 162.029428][ T6600] loop2: detected capacity change from 0 to 1024 [ 162.044067][ T6601] loop4: detected capacity change from 0 to 1024 [pid 6601] close(4 [pid 6600] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6601] <... close resumed>) = 0 [pid 6602] munmap(0x7fa6be400000, 138412032 [pid 6600] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6601] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] rmdir("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(3, "", [pid 6600] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6601] <... mkdir resumed>) = 0 [pid 6602] <... munmap resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6601] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6602] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6602] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./148/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./148/binderfs") = 0 [pid 5832] getdents64(3, [pid 6602] <... ioctl resumed>) = 0 [pid 6601] <... mount resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5832] close(3 [pid 6601] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6601] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6601] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6601] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6602] close(3) = 0 [pid 6602] close(4) = 0 [pid 6602] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6602] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... close resumed>) = 0 [pid 5830] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./148" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6601] <... mknod resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6601] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6600] <... mount resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6600] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] mkdir("./149", 0777 [pid 5830] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6600] <... openat resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 6600] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6600] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [ 162.083327][ T6602] loop0: detected capacity change from 0 to 1024 [pid 6600] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] openat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6600] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... openat resumed>) = 4 [pid 6600] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... ioctl resumed>) = 0 [pid 6601] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] close(3 [pid 5830] newfstatat(4, "", [pid 5832] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6601] sync( [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] getdents64(4, [pid 6600] <... mknod resumed>) = 0 ./strace-static-x86_64: Process 6603 attached [pid 6600] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6603] set_robust_list(0x555567654760, 24 [pid 6602] <... mount resumed>) = 0 [pid 5830] getdents64(4, [pid 6603] <... set_robust_list resumed>) = 0 [pid 6602] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6603] chdir("./149" [pid 6602] <... openat resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6603 [pid 5830] close(4 [pid 6603] <... chdir resumed>) = 0 [pid 6602] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 6603] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6602] <... chdir resumed>) = 0 [pid 5830] rmdir("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6603] <... prctl resumed>) = 0 [pid 6602] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6603] setpgid(0, 0 [pid 6602] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... rmdir resumed>) = 0 [pid 5830] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6603] <... setpgid resumed>) = 0 [pid 6603] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6602] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6603] <... openat resumed>) = 3 [pid 6603] write(3, "1000", 4) = 4 [pid 6603] close(3) = 0 [pid 6603] symlink("/dev/binderfs", "./binderfs" [pid 5830] newfstatat(AT_FDCWD, "./149/binderfs", [pid 6603] <... symlink resumed>) = 0 [pid 6603] write(1, "executing program\n", 18 [pid 6602] <... mknod resumed>) = 0 [pid 6600] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6600] sync( [pid 5830] unlink("./149/binderfs" [pid 6601] <... sync resumed>) = 0 [pid 6603] <... write resumed>) = 18 [pid 6602] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6601] exit_group(0 [pid 5830] <... unlink resumed>) = 0 [pid 6601] <... exit_group resumed>) = ? [pid 5830] getdents64(3, [pid 6603] memfd_create("syzkaller", 0) = 3 [pid 6603] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6603] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6602] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6601] +++ exited with 0 +++ [pid 5830] close(3 [pid 6602] sync( [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6601, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... close resumed>) = 0 [pid 5833] umount2("./147", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./149" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./147", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./150", 0777) = 0 [pid 6602] <... sync resumed>) = 0 [pid 6600] <... sync resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6602] exit_group(0 [pid 6600] exit_group(0 [pid 5830] <... openat resumed>) = 3 [pid 6600] <... exit_group resumed>) = ? [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6602] <... exit_group resumed>) = ? [pid 5830] <... ioctl resumed>) = 0 [pid 6602] +++ exited with 0 +++ [pid 5830] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6602, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... close resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6603] <... write resumed>) = 524288 [pid 6600] +++ exited with 0 +++ [pid 5829] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6604 attached [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6600, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6604] set_robust_list(0x555567654760, 24 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6604 [pid 5829] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6604] <... set_robust_list resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 6603] munmap(0x7fa6be400000, 138412032 [pid 6604] chdir("./150" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6604] <... chdir resumed>) = 0 [pid 6603] <... munmap resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6603] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6603] <... openat resumed>) = 4 [pid 5833] umount2("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6604] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6603] ioctl(4, LOOP_SET_FD, 3 [pid 6604] <... prctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6604] setpgid(0, 0 [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6604] <... setpgid resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6604] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(4 [pid 6604] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = 0 [pid 5833] rmdir("./147/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./147/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./147/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./147/binderfs" [pid 5829] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(3, "", [pid 6604] write(3, "1000", 4 [pid 5829] newfstatat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6604] <... write resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6604] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5829] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 5829] openat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6604] <... close resumed>) = 0 [pid 5833] rmdir("./147" [pid 5831] getdents64(3, [pid 5829] newfstatat(4, "", [pid 6604] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] mkdir("./148", 0777 [pid 5829] getdents64(4, [pid 6604] <... symlink resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5831] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 executing program [pid 6604] write(1, "executing program\n", 18 [pid 6603] <... ioctl resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 6603] close(3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 6603] <... close resumed>) = 0 [pid 6603] close(4) = 0 [pid 5829] rmdir("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6603] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 6603] <... mkdir resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5829] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6603] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] unlink("./154/binderfs" [pid 6604] <... write resumed>) = 18 [pid 5829] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6605 attached [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6605] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6605 [pid 5829] <... close resumed>) = 0 [pid 6605] <... set_robust_list resumed>) = 0 [ 162.272429][ T6603] loop3: detected capacity change from 0 to 1024 [pid 5829] rmdir("./154" [pid 6605] chdir("./148" [pid 6604] memfd_create("syzkaller", 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6604] <... memfd_create resumed>) = 3 [pid 6605] <... chdir resumed>) = 0 [pid 6604] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6605] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6603] <... mount resumed>) = 0 [pid 6605] <... prctl resumed>) = 0 [pid 6604] <... mmap resumed>) = 0x7fa6be400000 [pid 6603] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] mkdir("./155", 0777 [pid 6605] setpgid(0, 0 [pid 6603] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 6605] <... setpgid resumed>) = 0 [pid 6603] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6603] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6605] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6603] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6604] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6603] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6605] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6605] write(3, "1000", 4 [pid 5829] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] close(3 [pid 6605] <... write resumed>) = 4 [pid 6605] close(3) = 0 [pid 6605] symlink("/dev/binderfs", "./binderfs" [pid 6603] <... mknod resumed>) = 0 [pid 6605] <... symlink resumed>) = 0 [pid 6603] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6604] <... write resumed>) = 524288 executing program [pid 6605] write(1, "executing program\n", 18 [pid 5831] newfstatat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6605] <... write resumed>) = 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6605] memfd_create("syzkaller", 0 [pid 5831] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6605] <... memfd_create resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 6604] munmap(0x7fa6be400000, 138412032 [pid 6605] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] newfstatat(4, "", [pid 6605] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 6604] <... munmap resumed>) = 0 [pid 6604] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6604] ioctl(4, LOOP_SET_FD, 3 [pid 5831] rmdir("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6603] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6603] sync(./strace-static-x86_64: Process 6606 attached [pid 5831] newfstatat(AT_FDCWD, "./148/binderfs", [pid 6605] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6606 [pid 6606] set_robust_list(0x555567654760, 24 [pid 6604] <... ioctl resumed>) = 0 [pid 5831] unlink("./148/binderfs" [pid 6604] close(3 [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, [pid 6606] <... set_robust_list resumed>) = 0 [pid 6604] <... close resumed>) = 0 [pid 6606] chdir("./155" [pid 6604] close(4 [pid 6606] <... chdir resumed>) = 0 [pid 6604] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6606] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6604] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] close(3 [pid 6606] <... prctl resumed>) = 0 [pid 6604] <... mkdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6604] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6603] <... sync resumed>) = 0 [pid 5831] rmdir("./148" [pid 6606] setpgid(0, 0 [pid 6603] exit_group(0) = ? [pid 5831] <... rmdir resumed>) = 0 [pid 6606] <... setpgid resumed>) = 0 [pid 6606] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6603] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6603, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6606] <... openat resumed>) = 3 [pid 6604] <... mount resumed>) = 0 [pid 5831] mkdir("./149", 0777 [pid 6604] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6606] write(3, "1000", 4 [pid 6604] <... openat resumed>) = 3 [pid 5831] <... mkdir resumed>) = 0 [pid 6606] <... write resumed>) = 4 [pid 6606] close(3) = 0 [pid 6606] symlink("/dev/binderfs", "./binderfs" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6606] <... symlink resumed>) = 0 [pid 6604] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6606] write(1, "executing program\n", 18 [pid 6604] <... chdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6606] <... write resumed>) = 18 [pid 6604] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6606] memfd_create("syzkaller", 0 [pid 6605] <... write resumed>) = 524288 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6606] <... memfd_create resumed>) = 3 [pid 6605] munmap(0x7fa6be400000, 138412032) = 0 [pid 5832] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 6606] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 6606] <... mmap resumed>) = 0x7fa6be400000 [pid 6605] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 6605] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6604] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(3, "", [pid 6604] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, ./strace-static-x86_64: Process 6607 attached 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6605] ioctl(4, LOOP_SET_FD, 3 [pid 5832] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6604] <... mknod resumed>) = 0 [ 162.382386][ T6604] loop1: detected capacity change from 0 to 1024 [pid 6607] set_robust_list(0x555567654760, 24 [pid 6604] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6607] <... set_robust_list resumed>) = 0 [pid 6607] chdir("./149" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6607 [pid 6607] <... chdir resumed>) = 0 [pid 6607] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6607] setpgid(0, 0) = 0 [pid 6607] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6606] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6607] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = 0 [pid 6607] write(3, "1000", 4 [pid 6604] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6606] <... write resumed>) = 524288 [pid 6604] sync( [pid 6607] <... write resumed>) = 4 [pid 6607] close(3) = 0 [pid 6607] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) executing program [pid 6607] write(1, "executing program\n", 18 [pid 5832] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6607] <... write resumed>) = 18 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6607] memfd_create("syzkaller", 0 [pid 5832] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6607] <... memfd_create resumed>) = 3 [pid 5832] <... openat resumed>) = 4 [pid 6607] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] newfstatat(4, "", [pid 6607] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6606] munmap(0x7fa6be400000, 138412032 [pid 5832] <... rmdir resumed>) = 0 [pid 6606] <... munmap resumed>) = 0 [pid 5832] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6605] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5832] newfstatat(AT_FDCWD, "./149/binderfs", [pid 6606] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6605] close(3 [pid 5832] unlink("./149/binderfs" [pid 6605] <... close resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6607] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6605] close(4) = 0 [pid 6604] <... sync resumed>) = 0 [pid 5832] getdents64(3, [pid 6605] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6605] <... mkdir resumed>) = 0 [pid 5832] close(3 [pid 6607] <... write resumed>) = 524288 [pid 6604] exit_group(0 [pid 5832] <... close resumed>) = 0 [pid 6605] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] rmdir("./149") = 0 [pid 5832] mkdir("./150", 0777 [pid 6604] <... exit_group resumed>) = ? [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6608 attached [pid 6604] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6604, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6608] set_robust_list(0x555567654760, 24) = 0 [pid 6608] chdir("./150" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6608 [pid 6608] <... chdir resumed>) = 0 [pid 6608] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6607] munmap(0x7fa6be400000, 138412032 [pid 6608] setpgid(0, 0 [pid 6607] <... munmap resumed>) = 0 [pid 6608] <... setpgid resumed>) = 0 [pid 6608] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6606] <... ioctl resumed>) = 0 [pid 6608] <... openat resumed>) = 3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6607] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6606] close(3 [pid 6608] write(3, "1000", 4 [pid 6607] ioctl(4, LOOP_SET_FD, 3 [pid 6606] <... close resumed>) = 0 [pid 6608] <... write resumed>) = 4 [pid 6607] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6606] close(4 [pid 6607] ioctl(4, LOOP_CLR_FD [pid 6606] <... close resumed>) = 0 [pid 5830] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6608] close(3 [pid 6607] <... ioctl resumed>) = 0 [pid 6606] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6608] symlink("/dev/binderfs", "./binderfs" [pid 6606] <... mkdir resumed>) = 0 [pid 6608] <... symlink resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6607] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6607] close(4 [pid 6605] <... mount resumed>) = 0 [ 162.453226][ T6605] loop4: detected capacity change from 0 to 1024 [ 162.492349][ T6606] loop0: detected capacity change from 0 to 1024 [pid 6608] write(1, "executing program\n", 18executing program [pid 6607] <... close resumed>) = 0 [pid 6605] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6608] <... write resumed>) = 18 [pid 6607] close(3 [pid 6606] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6605] <... openat resumed>) = 3 [pid 6608] memfd_create("syzkaller", 0 [pid 6607] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6605] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6608] <... memfd_create resumed>) = 3 [pid 6605] <... chdir resumed>) = 0 [pid 6608] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6605] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6608] <... mmap resumed>) = 0x7fa6be400000 [pid 6605] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6605] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6607] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6607] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6607] sync( [pid 6608] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6605] <... mknod resumed>) = 0 [pid 6608] <... write resumed>) = 524288 [pid 5830] <... umount2 resumed>) = 0 [pid 6605] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6608] munmap(0x7fa6be400000, 138412032) = 0 [pid 6608] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6608] <... openat resumed>) = 4 [pid 6606] <... mount resumed>) = 0 [pid 6605] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6605] sync( [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6606] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6608] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6608] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6606] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6608] ioctl(4, LOOP_CLR_FD [pid 6606] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6608] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6606] <... chdir resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6606] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6608] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6606] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6608] close(4 [pid 5830] getdents64(4, [pid 6608] <... close resumed>) = 0 [pid 6608] close(3 [pid 6607] <... sync resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6607] exit_group(0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6607] <... exit_group resumed>) = ? [pid 6608] <... close resumed>) = 0 [pid 5830] close(4 [pid 6606] <... mknod resumed>) = 0 [pid 6606] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6607] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6607, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6608] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6608] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6606] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6608] <... link resumed>) = 0 [pid 6606] sync( [pid 6605] <... sync resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6605] exit_group(0) = ? [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6608] sync( [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6605] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6605, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] unlink("./150/binderfs" [pid 5831] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] close(3 [pid 5833] umount2("./148", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] unlink("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 6608] <... sync resumed>) = 0 [pid 6606] <... sync resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./148", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... unlink resumed>) = 0 [pid 5830] rmdir("./150" [pid 5833] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 6608] exit_group(0 [pid 5830] mkdir("./151", 0777 [pid 5833] newfstatat(3, "", [pid 6608] <... exit_group resumed>) = ? [pid 6606] exit_group(0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6608] +++ exited with 0 +++ [pid 6606] <... exit_group resumed>) = ? [pid 5833] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... mkdir resumed>) = 0 [pid 6606] +++ exited with 0 +++ [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5831] unlink("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6606, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5830] close(3) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6608, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 6609 attached [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] set_robust_list(0x555567654760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6609 [pid 6609] <... set_robust_list resumed>) = 0 [pid 5833] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./149/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6609] chdir("./151" [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6609] <... chdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6609] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] unlink("./149/binderfs" [pid 5832] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] <... prctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... unlink resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6609] setpgid(0, 0 [pid 5832] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6609] <... setpgid resumed>) = 0 [pid 6609] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 5829] getdents64(3, [pid 6609] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(3, "", [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6609] write(3, "1000", 4executing program ) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] close(3 [pid 5829] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] close(3) = 0 [pid 5833] umount2("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 6609] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] rmdir("./149" [pid 6609] <... symlink resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6609] write(1, "executing program\n", 18 [pid 5833] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6609] <... write resumed>) = 18 [pid 5833] newfstatat(4, "", [pid 5831] mkdir("./150", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] newfstatat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... mkdir resumed>) = 0 [pid 5833] getdents64(4, [pid 6609] memfd_create("syzkaller", 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5831] close(3) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] unlink("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6609] <... memfd_create resumed>) = 3 [pid 5833] close(4 [pid 5832] <... unlink resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6609] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... close resumed>) = 0 [pid 5832] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6609] <... mmap resumed>) = 0x7fa6be400000 ./strace-static-x86_64: Process 6610 attached [pid 5833] rmdir("./148/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6610 [pid 6610] set_robust_list(0x555567654760, 24 [pid 6609] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = 0 [pid 6610] <... set_robust_list resumed>) = 0 [pid 5833] umount2("./148/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] unlink("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6610] chdir("./150" [pid 5832] <... unlink resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./148/binderfs", [pid 6610] <... chdir resumed>) = 0 [pid 5832] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(AT_FDCWD, "./150/binderfs", [pid 6610] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] unlink("./148/binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6610] <... prctl resumed>) = 0 [pid 6610] setpgid(0, 0 [pid 6609] <... write resumed>) = 524288 [pid 5833] <... unlink resumed>) = 0 [pid 5832] unlink("./150/binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6610] <... setpgid resumed>) = 0 [pid 6610] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] getdents64(3, [pid 5832] <... unlink resumed>) = 0 [pid 5829] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6610] <... openat resumed>) = 3 [pid 6609] munmap(0x7fa6be400000, 138412032 [pid 5833] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 5829] openat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6610] write(3, "1000", 4 [pid 6609] <... munmap resumed>) = 0 [pid 5833] rmdir("./148" [pid 5832] close(3 [pid 5829] <... openat resumed>) = 4 [pid 6610] <... write resumed>) = 4 [pid 6609] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6610] close(3 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 5832] rmdir("./150" [pid 6610] <... close resumed>) = 0 [pid 5833] mkdir("./149", 0777 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6610] symlink("/dev/binderfs", "./binderfs" [pid 5829] getdents64(4, [pid 6610] <... symlink resumed>) = 0 [pid 6609] <... openat resumed>) = 4 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./151", 0777executing program [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6610] write(1, "executing program\n", 18 [pid 6609] ioctl(4, LOOP_SET_FD, 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] getdents64(4, [pid 6610] <... write resumed>) = 18 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6610] memfd_create("syzkaller", 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] rmdir("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6610] <... memfd_create resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./155/binderfs", [pid 6610] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6610] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] unlink("./155/binderfs"./strace-static-x86_64: Process 6611 attached [pid 5832] <... openat resumed>) = 3 [pid 5829] <... unlink resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 6611] set_robust_list(0x555567654760, 24 [pid 6610] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6611 [pid 5832] close(3 [pid 5829] getdents64(3, [pid 6611] <... set_robust_list resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6611] chdir("./149" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] close(3) = 0 ./strace-static-x86_64: Process 6612 attached [pid 6611] <... chdir resumed>) = 0 [pid 6609] <... ioctl resumed>) = 0 [pid 5829] rmdir("./155" [pid 6612] set_robust_list(0x555567654760, 24 [pid 6611] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6609] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6612 [pid 5829] <... rmdir resumed>) = 0 [pid 6609] <... close resumed>) = 0 [pid 5829] mkdir("./156", 0777 [pid 6611] <... prctl resumed>) = 0 [pid 6609] close(4 [pid 6612] <... set_robust_list resumed>) = 0 [pid 6611] setpgid(0, 0 [pid 6609] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6612] chdir("./151" [pid 6611] <... setpgid resumed>) = 0 [pid 6609] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6612] <... chdir resumed>) = 0 [pid 6611] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6610] <... write resumed>) = 524288 [pid 6609] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6612] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6611] <... openat resumed>) = 3 [pid 6610] munmap(0x7fa6be400000, 138412032 [pid 6609] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6611] write(3, "1000", 4 [pid 5829] <... ioctl resumed>) = 0 [pid 6612] <... prctl resumed>) = 0 [pid 6611] <... write resumed>) = 4 [pid 6610] <... munmap resumed>) = 0 [pid 5829] close(3 [pid 6611] close(3 [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6611] <... close resumed>) = 0 [pid 6612] setpgid(0, 0 [pid 6611] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6613 attached [pid 6612] <... setpgid resumed>) = 0 [pid 6611] <... symlink resumed>) = 0 [pid 6610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6613 executing program [pid 6612] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6611] write(1, "executing program\n", 18 [pid 6610] <... openat resumed>) = 4 [pid 6611] <... write resumed>) = 18 [ 162.795392][ T6609] loop1: detected capacity change from 0 to 1024 [pid 6610] ioctl(4, LOOP_SET_FD, 3 [pid 6613] set_robust_list(0x555567654760, 24 [pid 6612] <... openat resumed>) = 3 [pid 6611] memfd_create("syzkaller", 0 [pid 6612] write(3, "1000", 4) = 4 [pid 6612] close(3 [pid 6613] <... set_robust_list resumed>) = 0 [pid 6612] <... close resumed>) = 0 [pid 6613] chdir("./156" [pid 6612] symlink("/dev/binderfs", "./binderfs" [pid 6613] <... chdir resumed>) = 0 [pid 6612] <... symlink resumed>) = 0 executing program [pid 6613] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6612] write(1, "executing program\n", 18) = 18 [pid 6611] <... memfd_create resumed>) = 3 [pid 6612] memfd_create("syzkaller", 0 [pid 6613] setpgid(0, 0 [pid 6611] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6610] <... ioctl resumed>) = 0 [pid 6611] <... mmap resumed>) = 0x7fa6be400000 [pid 6613] <... setpgid resumed>) = 0 [pid 6612] <... memfd_create resumed>) = 3 [pid 6611] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6610] close(3 [pid 6613] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6612] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6610] <... close resumed>) = 0 [pid 6610] close(4 [pid 6612] <... mmap resumed>) = 0x7fa6be400000 [pid 6610] <... close resumed>) = 0 [pid 6612] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6610] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6613] <... openat resumed>) = 3 [pid 6613] write(3, "1000", 4) = 4 [pid 6613] close(3) = 0 [pid 6613] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6610] <... mkdir resumed>) = 0 [pid 6609] <... mount resumed>) = 0 [pid 6613] write(1, "executing program\n", 18executing program ) = 18 [pid 6613] memfd_create("syzkaller", 0 [pid 6609] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6613] <... memfd_create resumed>) = 3 [pid 6613] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6609] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6613] <... mmap resumed>) = 0x7fa6be400000 [pid 6609] <... chdir resumed>) = 0 [pid 6613] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6611] <... write resumed>) = 524288 [pid 6610] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 162.855193][ T6610] loop2: detected capacity change from 0 to 1024 [pid 6609] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6611] munmap(0x7fa6be400000, 138412032 [pid 6609] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6609] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6611] <... munmap resumed>) = 0 [pid 6610] <... mount resumed>) = 0 [pid 6610] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6611] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6610] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6609] <... mknod resumed>) = 0 [pid 6610] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6609] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6610] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6610] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6612] <... write resumed>) = 524288 [pid 6612] munmap(0x7fa6be400000, 138412032 [pid 6613] <... write resumed>) = 524288 [pid 6612] <... munmap resumed>) = 0 [pid 6610] <... mknod resumed>) = 0 [pid 6613] munmap(0x7fa6be400000, 138412032 [pid 6612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6611] <... openat resumed>) = 4 [pid 6610] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6609] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6613] <... munmap resumed>) = 0 [pid 6613] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6611] ioctl(4, LOOP_SET_FD, 3 [pid 6613] <... openat resumed>) = 4 [pid 6613] ioctl(4, LOOP_SET_FD, 3 [pid 6612] <... openat resumed>) = 4 [pid 6610] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6609] sync( [pid 6612] ioctl(4, LOOP_SET_FD, 3 [pid 6610] sync( [pid 6612] <... ioctl resumed>) = 0 [pid 6611] <... ioctl resumed>) = 0 [pid 6611] close(3) = 0 [pid 6611] close(4 [pid 6612] close(3 [pid 6611] <... close resumed>) = 0 [pid 6612] <... close resumed>) = 0 [pid 6611] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6612] close(4) = 0 [pid 6611] <... mkdir resumed>) = 0 [pid 6611] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6612] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 162.963467][ T6611] loop4: detected capacity change from 0 to 1024 [ 162.966264][ T6613] loop0: detected capacity change from 0 to 1024 [ 162.977679][ T6612] loop3: detected capacity change from 0 to 1024 [pid 6612] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6613] <... ioctl resumed>) = 0 [pid 6611] <... mount resumed>) = 0 [pid 6613] close(3 [pid 6611] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6613] <... close resumed>) = 0 [pid 6612] <... mount resumed>) = 0 [pid 6611] <... openat resumed>) = 3 [pid 6610] <... sync resumed>) = 0 [pid 6609] <... sync resumed>) = 0 [pid 6611] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6613] close(4 [pid 6612] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6611] <... chdir resumed>) = 0 [pid 6610] exit_group(0 [pid 6609] exit_group(0 [pid 6613] <... close resumed>) = 0 [pid 6612] <... openat resumed>) = 3 [pid 6611] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6610] <... exit_group resumed>) = ? [pid 6609] <... exit_group resumed>) = ? [pid 6613] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6611] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6613] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6609] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6609, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=4 /* 0.04 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6610] +++ exited with 0 +++ [pid 6612] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6611] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] <... restart_syscall resumed>) = 0 [pid 6612] <... chdir resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6612] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6612] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6612] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(3, "", [pid 5830] getdents64(3, [pid 6611] <... mknod resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6613] <... mount resumed>) = 0 [pid 6612] <... mknod resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6611] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6613] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6612] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6613] <... openat resumed>) = 3 [pid 6613] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6613] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6613] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5831] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6613] <... mknod resumed>) = 0 [pid 6611] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6613] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6611] sync( [pid 5831] newfstatat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6612] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] openat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6612] sync( [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5831] rmdir("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./150/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./150/binderfs") = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6613] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] getdents64(4, [pid 6613] sync( [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5831] getdents64(3, [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./150") = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5831] mkdir("./151", 0777 [pid 5830] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./151/binderfs", [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] unlink("./151/binderfs" [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6613] <... sync resumed>) = 0 [pid 6612] <... sync resumed>) = 0 [pid 6611] <... sync resumed>) = 0 [pid 5830] getdents64(3, [pid 6613] exit_group(0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6612] exit_group(0./strace-static-x86_64: Process 6614 attached [pid 6613] <... exit_group resumed>) = ? [pid 6612] <... exit_group resumed>) = ? [pid 6611] exit_group(0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6614 [pid 5830] <... close resumed>) = 0 [pid 6612] +++ exited with 0 +++ [pid 6611] <... exit_group resumed>) = ? [pid 5830] rmdir("./151" [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6612, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6611] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6611, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5833] umount2("./149", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./149", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6614] set_robust_list(0x555567654760, 24 [pid 6613] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] mkdir("./152", 0777 [pid 6614] <... set_robust_list resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6614] chdir("./151" [pid 5832] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6613, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] newfstatat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6614] <... chdir resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5829] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6614] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6614] <... prctl resumed>) = 0 [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5829] <... openat resumed>) = 3 [pid 6614] setpgid(0, 0 [pid 5833] <... close resumed>) = 0 [pid 6614] <... setpgid resumed>) = 0 [pid 5833] rmdir("./149/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5833] <... rmdir resumed>) = 0 [pid 5833] umount2("./149/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./149/binderfs", [pid 6614] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6614] <... openat resumed>) = 3 [pid 5833] unlink("./149/binderfs" [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] getdents64(3, [pid 6614] write(3, "1000", 4 [pid 5830] <... ioctl resumed>) = 0 [pid 6614] <... write resumed>) = 4 [pid 5833] <... unlink resumed>) = 0 [pid 5832] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6614] close(3 [pid 5829] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6614] <... close resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./149") = 0 [pid 5833] mkdir("./150", 0777 [pid 6614] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... mkdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6614] <... symlink resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FDexecuting program [pid 5830] <... close resumed>) = 0 [pid 6614] write(1, "executing program\n", 18 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6614] <... write resumed>) = 18 [pid 5833] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6614] memfd_create("syzkaller", 0./strace-static-x86_64: Process 6615 attached ) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6614] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6615 ./strace-static-x86_64: Process 6616 attached [pid 6615] set_robust_list(0x555567654760, 24 [pid 6614] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6616] set_robust_list(0x555567654760, 24) = 0 [pid 5832] getdents64(4, [pid 6616] chdir("./150" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6616] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6616 [pid 5832] getdents64(4, [pid 6616] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6616] <... prctl resumed>) = 0 [pid 6616] setpgid(0, 0 [pid 5832] close(4 [pid 6615] <... set_robust_list resumed>) = 0 [pid 6614] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... umount2 resumed>) = 0 [pid 6615] chdir("./152") = 0 [pid 5829] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6616] <... setpgid resumed>) = 0 [pid 6615] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6616] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] rmdir("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6616] <... openat resumed>) = 3 [pid 6615] <... prctl resumed>) = 0 [pid 6614] <... write resumed>) = 524288 [pid 5832] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6615] setpgid(0, 0 [pid 6614] munmap(0x7fa6be400000, 138412032 [pid 6615] <... setpgid resumed>) = 0 [pid 5829] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6616] write(3, "1000", 4 [pid 6615] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] newfstatat(AT_FDCWD, "./151/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6616] <... write resumed>) = 4 [pid 5829] openat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6615] <... openat resumed>) = 3 [pid 6616] close(3) = 0 [pid 6615] write(3, "1000", 4 [pid 5832] unlink("./151/binderfs" [pid 5829] <... openat resumed>) = 4 [pid 6616] symlink("/dev/binderfs", "./binderfs" [pid 6615] <... write resumed>) = 4 [pid 6614] <... munmap resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6615] close(3 [pid 6614] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6616] <... symlink resumed>) = 0 [pid 6615] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./151" [pid 6615] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... rmdir resumed>) = 0 [pid 5829] getdents64(4, [pid 6614] <... openat resumed>) = 4 [pid 5832] mkdir("./152", 0777 [pid 6615] <... symlink resumed>) = 0 [pid 6614] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6616] write(1, "executing program\n", 18 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] getdents64(4, [pid 6616] <... write resumed>) = 18 [pid 5832] <... openat resumed>) = 3 [pid 6616] memfd_create("syzkaller", 0 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3executing program [pid 6616] <... memfd_create resumed>) = 3 [pid 6615] write(1, "executing program\n", 18executing program [pid 5832] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6614] <... ioctl resumed>) = 0 [pid 6616] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6615] <... write resumed>) = 18 [pid 6616] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] close(4 [pid 6616] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6615] memfd_create("syzkaller", 0 [pid 6614] close(3 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6614] <... close resumed>) = 0 [pid 6615] <... memfd_create resumed>) = 3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6615] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6614] close(4 [pid 5829] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6617 attached [pid 6615] <... mmap resumed>) = 0x7fa6be400000 [pid 6614] <... close resumed>) = 0 [pid 5829] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6614] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6617 [pid 6617] set_robust_list(0x555567654760, 24 [pid 6616] <... write resumed>) = 524288 [pid 6615] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6614] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6617] <... set_robust_list resumed>) = 0 [pid 6614] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 163.292020][ T6614] loop2: detected capacity change from 0 to 1024 [pid 5829] newfstatat(AT_FDCWD, "./156/binderfs", [pid 6617] chdir("./152" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6617] <... chdir resumed>) = 0 [pid 5829] unlink("./156/binderfs" [pid 6617] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6616] munmap(0x7fa6be400000, 138412032 [pid 6617] setpgid(0, 0 [pid 6616] <... munmap resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6617] <... setpgid resumed>) = 0 [pid 6616] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] getdents64(3, [pid 6617] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6616] <... openat resumed>) = 4 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6617] <... openat resumed>) = 3 [pid 6616] ioctl(4, LOOP_SET_FD, 3 [pid 5829] close(3 [pid 6617] write(3, "1000", 4 [pid 6614] <... mount resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6617] <... write resumed>) = 4 [pid 6614] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] rmdir("./156" [pid 6617] close(3) = 0 [pid 6617] symlink("/dev/binderfs", "./binderfs" [pid 6614] <... openat resumed>) = 3 [pid 6617] <... symlink resumed>) = 0 [pid 6614] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 5829] <... rmdir resumed>) = 0 [pid 6617] write(1, "executing program\n", 18 [pid 5829] mkdir("./157", 0777 [pid 6617] <... write resumed>) = 18 [pid 6617] memfd_create("syzkaller", 0 [pid 6614] <... chdir resumed>) = 0 [pid 6617] <... memfd_create resumed>) = 3 [pid 6617] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6617] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6614] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... mkdir resumed>) = 0 [pid 6614] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6614] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... openat resumed>) = 3 [pid 6616] <... ioctl resumed>) = 0 [pid 6616] close(3) = 0 [pid 6616] close(4) = 0 [pid 6616] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6616] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 6617] <... write resumed>) = 524288 [pid 6615] <... write resumed>) = 524288 [pid 6614] <... mknod resumed>) = 0 [pid 6614] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 163.357043][ T6616] loop4: detected capacity change from 0 to 1024 [pid 6615] munmap(0x7fa6be400000, 138412032) = 0 [pid 6614] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6617] munmap(0x7fa6be400000, 138412032) = 0 [pid 6614] sync( [pid 6617] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6616] <... mount resumed>) = 0 [pid 6617] <... openat resumed>) = 4 [pid 6616] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6617] ioctl(4, LOOP_SET_FD, 3 [pid 6616] <... openat resumed>) = 3 [pid 6615] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6616] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 6615] <... openat resumed>) = 4 [pid 6616] <... chdir resumed>) = 0 [pid 6615] ioctl(4, LOOP_SET_FD, 3 [pid 6614] <... sync resumed>) = 0 [pid 6615] <... ioctl resumed>) = 0 [pid 6614] exit_group(0 [pid 6616] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6614] <... exit_group resumed>) = ? [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6616] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6614] +++ exited with 0 +++ [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6618 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6614, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6618 attached [pid 6618] set_robust_list(0x555567654760, 24) = 0 [pid 6617] <... ioctl resumed>) = 0 [pid 6617] close(3) = 0 [pid 6617] close(4 [pid 6618] chdir("./157") = 0 [pid 6616] <... mknod resumed>) = 0 [pid 6618] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6617] <... close resumed>) = 0 [pid 6617] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6618] setpgid(0, 0) = 0 [pid 6618] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6617] <... mkdir resumed>) = 0 [pid 6616] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... restart_syscall resumed>) = 0 [pid 6618] <... openat resumed>) = 3 [pid 5831] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6618] write(3, "1000", 4) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6618] close(3) = 0 [pid 6618] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6617] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6615] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6618] write(1, "executing program\n", 18 [pid 6615] <... close resumed>) = 0 [pid 5831] getdents64(3, [pid 6616] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6615] close(4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6616] sync( [pid 6615] <... close resumed>) = 0 [ 163.424241][ T6617] loop3: detected capacity change from 0 to 1024 [ 163.458512][ T6615] loop1: detected capacity change from 0 to 1024 [pid 5831] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6618] <... write resumed>) = 18 [pid 6615] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6618] memfd_create("syzkaller", 0) = 3 [pid 6618] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6615] <... mkdir resumed>) = 0 [pid 6615] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6618] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5831] <... umount2 resumed>) = 0 [pid 6617] <... mount resumed>) = 0 [pid 6615] <... mount resumed>) = 0 [pid 5831] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6617] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6615] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6617] <... openat resumed>) = 3 [pid 6616] <... sync resumed>) = 0 [pid 6615] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6615] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6618] munmap(0x7fa6be400000, 138412032 [pid 6615] <... chdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6617] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6616] exit_group(0 [pid 6615] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6618] <... munmap resumed>) = 0 [pid 6617] <... chdir resumed>) = 0 [pid 6616] <... exit_group resumed>) = ? [pid 6615] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6618] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6618] ioctl(4, LOOP_SET_FD, 3 [pid 6617] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6616] +++ exited with 0 +++ [pid 6615] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6616, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] openat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6617] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./150", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 6617] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./150", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6618] <... ioctl resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6618] close(3 [pid 6615] <... mknod resumed>) = 0 [pid 6618] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6618] close(4 [pid 5831] getdents64(4, [pid 6618] <... close resumed>) = 0 [pid 6615] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(3, "", [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6618] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6618] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] close(4 [pid 5833] getdents64(3, [pid 5831] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] rmdir("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6617] <... mknod resumed>) = 0 [pid 6617] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./151/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./151/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./151") = 0 [pid 5831] mkdir("./152", 0777 [pid 6618] <... mount resumed>) = 0 [pid 6615] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... mkdir resumed>) = 0 [pid 6618] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6617] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6615] sync( [pid 5833] <... umount2 resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [ 163.561822][ T6618] loop0: detected capacity change from 0 to 1024 [pid 6618] <... openat resumed>) = 3 [pid 6617] sync( [pid 5833] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6618] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6618] <... chdir resumed>) = 0 [pid 6618] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6618] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 6618] <... mknod resumed>) = 0 [pid 6617] <... sync resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6618] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6617] exit_group(0 [pid 5833] <... openat resumed>) = 4 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6619 attached [pid 6617] <... exit_group resumed>) = ? [pid 5833] newfstatat(4, "", [pid 6618] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6618] sync( [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6617] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6617, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] getdents64(4, [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6619 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6619] set_robust_list(0x555567654760, 24 [pid 6615] <... sync resumed>) = 0 [pid 5833] getdents64(4, [pid 6619] <... set_robust_list resumed>) = 0 [pid 6615] exit_group(0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6615] <... exit_group resumed>) = ? [pid 6619] chdir("./152" [pid 6615] +++ exited with 0 +++ [pid 6619] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6615, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6619] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] rmdir("./150/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6619] <... prctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6619] setpgid(0, 0 [pid 5833] umount2("./150/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6619] <... setpgid resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6618] <... sync resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6619] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./150/binderfs", [pid 5832] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6619] write(3, "1000", 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] <... write resumed>) = 4 [pid 6618] exit_group(0 [pid 5833] unlink("./150/binderfs" [pid 5832] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6619] close(3 [pid 6618] <... exit_group resumed>) = ? [pid 5833] <... unlink resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5830] <... openat resumed>) = 3 [pid 6619] <... close resumed>) = 0 [pid 6619] symlink("/dev/binderfs", "./binderfs" [pid 5833] getdents64(3, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(3, "", executing program [pid 6619] <... symlink resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6619] write(1, "executing program\n", 18 [pid 5833] close(3 [pid 6619] <... write resumed>) = 18 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] getdents64(3, [pid 6619] memfd_create("syzkaller", 0 [pid 5832] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6619] <... memfd_create resumed>) = 3 [pid 6618] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5830] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6618, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6619] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] rmdir("./150" [pid 5832] <... umount2 resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6619] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] mkdir("./151", 0777 [pid 5832] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6619] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 5832] <... openat resumed>) = 4 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] newfstatat(4, "", [pid 5830] getdents64(4, [pid 5829] <... umount2 resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 6619] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 5833] close(3 [pid 5832] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5830] rmdir("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] rmdir("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6619] munmap(0x7fa6be400000, 138412032 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6619] <... munmap resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./157/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6619] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 5832] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 6619] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./152/binderfs", [pid 5829] <... close resumed>) = 0 [pid 5832] rmdir("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6619] <... ioctl resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] unlink("./152/binderfs" [pid 5829] rmdir("./157" [pid 6619] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./158", 0777 [pid 6619] <... close resumed>) = 0 [pid 6619] close(4) = 0 [pid 5832] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 6619] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] getdents64(3, [pid 5829] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 5832] newfstatat(AT_FDCWD, "./152/binderfs", [pid 6619] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] unlink("./152/binderfs") = 0 [pid 5830] rmdir("./152" [pid 5832] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 6619] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""./strace-static-x86_64: Process 6620 attached [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] close(3 [pid 5830] mkdir("./153", 0777 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./152" [pid 5830] <... mkdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... ioctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] close(3 [pid 6620] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6620 [pid 5832] mkdir("./153", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 6620] <... set_robust_list resumed>) = 0 [pid 6620] chdir("./151" [pid 5830] <... ioctl resumed>) = 0 [pid 6620] <... chdir resumed>) = 0 [pid 5830] close(3 [pid 6620] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6620] <... prctl resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6620] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6621 attached ./strace-static-x86_64: Process 6622 attached [pid 6620] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6621 [pid 6620] <... openat resumed>) = 3 [pid 6622] set_robust_list(0x555567654760, 24 [pid 6620] write(3, "1000", 4 [pid 6622] <... set_robust_list resumed>) = 0 [pid 6620] <... write resumed>) = 4 [pid 6622] chdir("./158" [pid 6620] close(3 [pid 5832] <... openat resumed>) = 3 [pid 6622] <... chdir resumed>) = 0 [pid 6620] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6622] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6620] symlink("/dev/binderfs", "./binderfs" [pid 6622] <... prctl resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6622 [pid 6620] <... symlink resumed>) = 0 [pid 6621] set_robust_list(0x555567654760, 24 [pid 6619] <... mount resumed>) = 0 [pid 6621] <... set_robust_list resumed>) = 0 [ 163.780702][ T6619] loop2: detected capacity change from 0 to 1024 [pid 6621] chdir("./153" executing program [pid 6619] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6622] setpgid(0, 0 [pid 6620] write(1, "executing program\n", 18 [pid 5832] close(3 [pid 6620] <... write resumed>) = 18 [pid 6621] <... chdir resumed>) = 0 [pid 6619] <... openat resumed>) = 3 [pid 6621] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6619] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6621] <... prctl resumed>) = 0 [pid 6619] <... chdir resumed>) = 0 [pid 6621] setpgid(0, 0 [pid 6619] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6621] <... setpgid resumed>) = 0 [pid 6619] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6621] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6620] memfd_create("syzkaller", 0 [pid 6622] <... setpgid resumed>) = 0 [pid 6619] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6622] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6621] <... openat resumed>) = 3 [pid 6620] <... memfd_create resumed>) = 3 [pid 6619] <... mknod resumed>) = 0 [pid 6621] write(3, "1000", 4 [pid 6619] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... close resumed>) = 0 [pid 6622] <... openat resumed>) = 3 [pid 6621] <... write resumed>) = 4 executing program [pid 6620] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6619] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6622] write(3, "1000", 4 [pid 6621] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6622] <... write resumed>) = 4 [pid 6620] <... mmap resumed>) = 0x7fa6be400000 [pid 6621] <... close resumed>) = 0 [pid 6621] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6619] sync( [pid 6622] close(3) = 0 [pid 6621] write(1, "executing program\n", 18) = 18 [pid 6621] memfd_create("syzkaller", 0) = 3 ./strace-static-x86_64: Process 6623 attached [pid 6622] symlink("/dev/binderfs", "./binderfs" [pid 6621] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6623] set_robust_list(0x555567654760, 24 [pid 6620] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6623] <... set_robust_list resumed>) = 0 [pid 6623] chdir("./153" [pid 6622] <... symlink resumed>) = 0 executing program [pid 6622] write(1, "executing program\n", 18 [pid 6621] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6622] <... write resumed>) = 18 [pid 6623] <... chdir resumed>) = 0 [pid 6623] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6623] setpgid(0, 0 [pid 6622] memfd_create("syzkaller", 0) = 3 [pid 6622] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6623] <... setpgid resumed>) = 0 [pid 6623] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6619] <... sync resumed>) = 0 [pid 6619] exit_group(0) = ? [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6623 [pid 6622] <... mmap resumed>) = 0x7fa6be400000 [pid 6623] write(3, "1000", 4) = 4 [pid 6623] close(3) = 0 [pid 6623] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6623] write(1, "executing program\n", 18 [pid 6622] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6621] <... write resumed>) = 524288 [pid 6620] <... write resumed>) = 524288 [pid 6623] <... write resumed>) = 18 [pid 6619] +++ exited with 0 +++ [pid 6623] memfd_create("syzkaller", 0) = 3 [pid 6623] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6622] <... write resumed>) = 524288 [pid 6620] munmap(0x7fa6be400000, 138412032 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6619, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6622] munmap(0x7fa6be400000, 138412032 [pid 6620] <... munmap resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6623] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6622] <... munmap resumed>) = 0 [pid 6621] munmap(0x7fa6be400000, 138412032 [pid 5831] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6621] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6622] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6620] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6622] <... openat resumed>) = 4 [pid 6620] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... openat resumed>) = 3 [pid 6621] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6623] <... write resumed>) = 524288 [pid 6622] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(3, "", [pid 6621] <... openat resumed>) = 4 [pid 6621] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6623] munmap(0x7fa6be400000, 138412032) = 0 [pid 5831] getdents64(3, [pid 6623] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6620] <... ioctl resumed>) = 0 [pid 6623] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6623] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6622] <... ioctl resumed>) = 0 [pid 6620] close(3 [pid 5831] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6622] close(3 [pid 6620] <... close resumed>) = 0 [pid 6622] <... close resumed>) = 0 [pid 6620] close(4 [pid 6622] close(4 [pid 6620] <... close resumed>) = 0 [pid 6622] <... close resumed>) = 0 [pid 6620] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6623] close(3) = 0 [pid 6623] close(4) = 0 [pid 6623] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6622] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6620] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6622] <... mkdir resumed>) = 0 [pid 6620] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6622] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6623] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6620] <... mount resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 6620] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6620] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(4, [pid 6620] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6622] <... mount resumed>) = 0 [pid 5831] getdents64(4, [pid 6622] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6621] <... ioctl resumed>) = 0 [pid 6622] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6622] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6620] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] close(4 [pid 6622] <... chdir resumed>) = 0 [pid 6621] close(3 [pid 5831] <... close resumed>) = 0 [pid 6622] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6620] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] rmdir("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6621] <... close resumed>) = 0 [pid 6622] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6623] <... mount resumed>) = 0 [pid 6622] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6621] close(4 [pid 6620] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... rmdir resumed>) = 0 [pid 6623] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6621] <... close resumed>) = 0 [pid 6623] <... openat resumed>) = 3 [pid 6621] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6623] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6621] <... mkdir resumed>) = 0 [pid 6623] <... chdir resumed>) = 0 [pid 6623] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 163.945319][ T6620] loop4: detected capacity change from 0 to 1024 [ 163.955823][ T6622] loop0: detected capacity change from 0 to 1024 [ 163.956396][ T6621] loop1: detected capacity change from 0 to 1024 [ 163.979497][ T6623] loop3: detected capacity change from 0 to 1024 [pid 6623] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6621] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6622] <... mknod resumed>) = 0 [pid 6620] <... mknod resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./152/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6622] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6620] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] unlink("./152/binderfs" [pid 6623] <... mknod resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6623] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] close(3) = 0 [pid 5831] rmdir("./152" [pid 6621] <... mount resumed>) = 0 [pid 6621] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6621] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6621] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] <... rmdir resumed>) = 0 [pid 6621] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6620] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] mkdir("./153", 0777 [pid 6620] sync( [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6623] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6622] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... openat resumed>) = 3 [pid 6623] sync( [pid 6621] <... mknod resumed>) = 0 [pid 6622] sync( [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 6621] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] close(3) = 0 [pid 6621] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6621] sync(./strace-static-x86_64: Process 6624 attached [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6624 [pid 6624] set_robust_list(0x555567654760, 24) = 0 [pid 6624] chdir("./153") = 0 [pid 6624] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6624] setpgid(0, 0) = 0 [pid 6621] <... sync resumed>) = 0 [pid 6621] exit_group(0 [pid 6623] <... sync resumed>) = 0 [pid 6621] <... exit_group resumed>) = ? [pid 6622] <... sync resumed>) = 0 [pid 6621] +++ exited with 0 +++ [pid 6620] <... sync resumed>) = 0 [pid 6624] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6623] exit_group(0 [pid 6622] exit_group(0 [pid 6620] exit_group(0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6621, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6623] <... exit_group resumed>) = ? [pid 6620] <... exit_group resumed>) = ? [pid 6624] <... openat resumed>) = 3 [pid 6623] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6623, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6624] write(3, "1000", 4) = 4 [pid 6624] close(3) = 0 [pid 6624] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6624] <... symlink resumed>) = 0 [pid 6622] <... exit_group resumed>) = ? [pid 5830] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6620] +++ exited with 0 +++ [pid 5830] <... openat resumed>) = 3 [pid 6624] write(1, "executing program\n", 18) = 18 [pid 6624] memfd_create("syzkaller", 0) = 3 [pid 6622] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] newfstatat(3, "", [pid 6624] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6622, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6624] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] getdents64(3, [pid 5833] <... restart_syscall resumed>) = 0 [pid 6624] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./151", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./151", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] newfstatat(3, "", [pid 5829] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] getdents64(3, [pid 5833] newfstatat(3, "", [pid 5829] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6624] <... write resumed>) = 524288 [pid 6624] munmap(0x7fa6be400000, 138412032) = 0 [pid 6624] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6624] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] newfstatat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6624] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5829] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6624] close(3 [pid 5830] newfstatat(4, "", [pid 5829] openat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6624] <... close resumed>) = 0 [pid 5833] umount2("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6624] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 6624] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 4 [pid 6624] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] newfstatat(4, "", [pid 5832] newfstatat(4, "", [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(4, [pid 5830] close(4 [pid 6624] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] rmdir("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(4, [pid 5832] getdents64(4, [pid 5829] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [ 164.199320][ T6624] loop2: detected capacity change from 0 to 1024 [pid 5829] close(4 [pid 6624] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... close resumed>) = 0 [pid 5832] close(4 [pid 5830] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] rmdir("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] rmdir("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] rmdir("./151/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(AT_FDCWD, "./153/binderfs", [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./151/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./153/binderfs" [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./153/binderfs", [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./151/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./158/binderfs", [pid 5830] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./153/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./158/binderfs" [pid 5833] unlink("./151/binderfs" [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, [pid 5830] rmdir("./153" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5829] close(3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] getdents64(3, [pid 5832] <... unlink resumed>) = 0 [pid 5829] rmdir("./158") = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./154", 0777 [pid 5833] close(3 [pid 5832] close(3 [pid 5829] mkdir("./159", 0777 [pid 5832] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] rmdir("./153" [pid 5829] <... mkdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] rmdir("./151") = 0 [pid 5832] mkdir("./154", 0777 [pid 6624] <... mount resumed>) = 0 [pid 5833] mkdir("./152", 0777 [pid 5832] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6624] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... mkdir resumed>) = 0 [pid 6624] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6624] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 6624] <... chdir resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 6624] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] <... ioctl resumed>) = 0 [pid 6624] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5830] close(3 [pid 6624] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] ioctl(3, LOOP_CLR_FD./strace-static-x86_64: Process 6626 attached ./strace-static-x86_64: Process 6625 attached ) = 0 [pid 5829] <... close resumed>) = 0 executing program [pid 6625] set_robust_list(0x555567654760, 24 [pid 5833] close(3 [pid 6626] set_robust_list(0x555567654760, 24) = 0 [pid 6626] chdir("./154") = 0 [pid 6626] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6626] setpgid(0, 0) = 0 [pid 6626] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6626] write(3, "1000", 4) = 4 [pid 6626] close(3) = 0 [pid 6625] <... set_robust_list resumed>) = 0 [pid 6626] symlink("/dev/binderfs", "./binderfs" [pid 6625] chdir("./154" [pid 6626] <... symlink resumed>) = 0 [pid 6625] <... chdir resumed>) = 0 [pid 6625] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6625] setpgid(0, 0 [pid 6626] write(1, "executing program\n", 18) = 18 [pid 6625] <... setpgid resumed>) = 0 [pid 6626] memfd_create("syzkaller", 0 [pid 6625] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6624] <... mknod resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6625 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6626 [pid 6626] <... memfd_create resumed>) = 3 [pid 6625] <... openat resumed>) = 3 [pid 6624] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6626] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6625] write(3, "1000", 4 [pid 6626] <... mmap resumed>) = 0x7fa6be400000 [pid 6625] <... write resumed>) = 4 [pid 6625] close(3./strace-static-x86_64: Process 6628 attached ./strace-static-x86_64: Process 6627 attached ) = 0 [pid 6624] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6627 [pid 6624] sync( [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6628 [pid 6625] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6628] set_robust_list(0x555567654760, 24 [pid 6627] set_robust_list(0x555567654760, 24 [pid 6625] write(1, "executing program\n", 18 [pid 6628] <... set_robust_list resumed>) = 0 executing program [pid 6628] chdir("./152" [pid 6626] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6628] <... chdir resumed>) = 0 [pid 6627] <... set_robust_list resumed>) = 0 [pid 6626] <... write resumed>) = 524288 [pid 6625] <... write resumed>) = 18 [pid 6628] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6627] chdir("./159" [pid 6625] memfd_create("syzkaller", 0 [pid 6628] <... prctl resumed>) = 0 [pid 6627] <... chdir resumed>) = 0 [pid 6625] <... memfd_create resumed>) = 3 [pid 6627] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6625] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6628] setpgid(0, 0 [pid 6627] <... prctl resumed>) = 0 [pid 6625] <... mmap resumed>) = 0x7fa6be400000 [pid 6627] setpgid(0, 0 [pid 6625] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6624] <... sync resumed>) = 0 [pid 6628] <... setpgid resumed>) = 0 [pid 6627] <... setpgid resumed>) = 0 [pid 6626] munmap(0x7fa6be400000, 138412032 [pid 6627] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6626] <... munmap resumed>) = 0 [pid 6628] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6627] <... openat resumed>) = 3 [pid 6625] <... write resumed>) = 524288 [pid 6624] exit_group(0 [pid 6628] <... openat resumed>) = 3 [pid 6627] write(3, "1000", 4 [pid 6624] <... exit_group resumed>) = ? [pid 6628] write(3, "1000", 4 [pid 6627] <... write resumed>) = 4 [pid 6624] +++ exited with 0 +++ [pid 6628] <... write resumed>) = 4 [pid 6626] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6625] munmap(0x7fa6be400000, 138412032 [pid 6628] close(3 [pid 6627] close(3 [pid 6628] <... close resumed>) = 0 [pid 6626] <... openat resumed>) = 4 [pid 6625] <... munmap resumed>) = 0 [pid 6628] symlink("/dev/binderfs", "./binderfs" [pid 6627] <... close resumed>) = 0 [pid 6628] <... symlink resumed>) = 0 [pid 6627] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 6628] write(1, "executing program\n", 18 [pid 6627] <... symlink resumed>) = 0 [pid 6628] <... write resumed>) = 18 [pid 6627] write(1, "executing program\n", 18 [pid 6626] ioctl(4, LOOP_SET_FD, 3 [pid 6628] memfd_create("syzkaller", 0 [pid 6627] <... write resumed>) = 18 [pid 6625] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6628] <... memfd_create resumed>) = 3 [pid 6627] memfd_create("syzkaller", 0 [pid 6625] <... openat resumed>) = 4 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6624, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6628] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6627] <... memfd_create resumed>) = 3 [pid 6626] <... ioctl resumed>) = 0 [pid 6625] ioctl(4, LOOP_SET_FD, 3 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6628] <... mmap resumed>) = 0x7fa6be400000 [pid 6627] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6625] <... ioctl resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6627] <... mmap resumed>) = 0x7fa6be400000 [pid 6627] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6628] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6626] close(3) = 0 [pid 6626] close(4) = 0 [pid 6626] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6627] <... write resumed>) = 524288 [pid 6626] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6628] <... write resumed>) = 524288 [pid 6625] close(3 [pid 5831] newfstatat(3, "", [pid 6625] <... close resumed>) = 0 [pid 6625] close(4) = 0 [ 164.419878][ T6626] loop1: detected capacity change from 0 to 1024 [ 164.429166][ T6625] loop3: detected capacity change from 0 to 1024 [pid 6625] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6628] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6627] munmap(0x7fa6be400000, 138412032 [pid 5831] getdents64(3, [pid 6628] <... munmap resumed>) = 0 [pid 6627] <... munmap resumed>) = 0 [pid 6625] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6628] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6628] ioctl(4, LOOP_SET_FD, 3 [pid 6627] <... openat resumed>) = 4 [pid 6628] <... ioctl resumed>) = 0 [pid 6627] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6625] <... mount resumed>) = 0 [pid 6625] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6625] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6625] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6625] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6628] close(3) = 0 [pid 6628] close(4) = 0 [pid 6628] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6627] <... ioctl resumed>) = 0 [ 164.499816][ T6628] loop4: detected capacity change from 0 to 1024 [ 164.516667][ T6627] loop0: detected capacity change from 0 to 1024 [pid 6628] <... mkdir resumed>) = 0 [pid 6627] close(3 [pid 6625] <... mknod resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", [pid 6627] <... close resumed>) = 0 [pid 6627] close(4) = 0 [pid 6626] <... mount resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6626] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6625] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(4, [pid 6627] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6626] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6628] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6627] <... mkdir resumed>) = 0 [pid 6626] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] getdents64(4, [pid 6626] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6626] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] close(4 [pid 6626] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... close resumed>) = 0 [pid 6627] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] rmdir("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6625] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6626] <... mknod resumed>) = 0 [pid 6625] sync( [pid 6626] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6628] <... mount resumed>) = 0 [pid 5831] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6628] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6628] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6628] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] newfstatat(AT_FDCWD, "./153/binderfs", [pid 6628] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./153/binderfs" [pid 6627] <... mount resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, [pid 6627] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6626] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6627] <... openat resumed>) = 3 [pid 6627] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6628] <... mknod resumed>) = 0 [pid 6627] <... chdir resumed>) = 0 [pid 6626] sync( [pid 5831] close(3 [pid 6628] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6627] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 6627] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6627] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] rmdir("./153") = 0 [pid 5831] mkdir("./154", 0777) = 0 [pid 6627] <... mknod resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6627] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 3 [pid 6628] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6628] sync( [pid 6627] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6627] sync( [pid 6625] <... sync resumed>) = 0 [pid 6625] exit_group(0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6625] <... exit_group resumed>) = ? [pid 6625] +++ exited with 0 +++ [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6625, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] <... close resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6629 attached , child_tidptr=0x555567654750) = 6629 [pid 6629] set_robust_list(0x555567654760, 24) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6629] chdir("./154") = 0 [pid 5832] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6629] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... openat resumed>) = 3 [pid 6629] <... prctl resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 6629] setpgid(0, 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6629] <... setpgid resumed>) = 0 [pid 5832] getdents64(3, [pid 6629] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6629] <... openat resumed>) = 3 [pid 5832] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6629] write(3, "1000", 4) = 4 [pid 6629] close(3) = 0 [pid 6629] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6629] write(1, "executing program\n", 18) = 18 [pid 6629] memfd_create("syzkaller", 0) = 3 [pid 6629] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6629] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 6628] <... sync resumed>) = 0 [pid 6627] <... sync resumed>) = 0 [pid 6626] <... sync resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6628] exit_group(0 [pid 6629] munmap(0x7fa6be400000, 138412032 [pid 6628] <... exit_group resumed>) = ? [pid 6628] +++ exited with 0 +++ [pid 6627] exit_group(0 [pid 6629] <... munmap resumed>) = 0 [pid 6627] <... exit_group resumed>) = ? [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6628, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6626] exit_group(0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6626] <... exit_group resumed>) = ? [pid 6627] +++ exited with 0 +++ [pid 5832] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6627, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6629] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] newfstatat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6629] <... openat resumed>) = 4 [pid 6626] +++ exited with 0 +++ [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] getdents64(4, [pid 5829] <... restart_syscall resumed>) = 0 [pid 6629] ioctl(4, LOOP_SET_FD, 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6626, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6629] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5829] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./152", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./152", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5832] rmdir("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./154/binderfs") = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./154" [pid 5833] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... rmdir resumed>) = 0 [pid 5830] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] mkdir("./155", 0777 [pid 5833] newfstatat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... openat resumed>) = 4 [pid 5833] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 3 [pid 5830] newfstatat(4, "", [pid 5829] openat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 6629] close(3 [pid 5833] newfstatat(4, "", [pid 5832] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6629] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 164.740656][ T6629] loop2: detected capacity change from 0 to 1024 [pid 6629] close(4 [pid 5833] getdents64(4, [pid 5830] getdents64(4, [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6629] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 6629] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] getdents64(4, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6629] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... close resumed>) = 0 [pid 5830] close(4 [pid 5829] getdents64(4, [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] rmdir("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6630 attached [pid 6629] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] rmdir("./152/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(4 [pid 6630] set_robust_list(0x555567654760, 24) = 0 [pid 6630] chdir("./155" [pid 5833] <... rmdir resumed>) = 0 [pid 5830] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6630] <... chdir resumed>) = 0 [pid 6630] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] newfstatat(AT_FDCWD, "./154/binderfs", [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6630 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6630] setpgid(0, 0 [pid 5830] unlink("./154/binderfs" [pid 5829] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6630] <... setpgid resumed>) = 0 [pid 6630] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6629] <... mount resumed>) = 0 [pid 5833] umount2("./152/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6629] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./159/binderfs", [pid 6629] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./152/binderfs", [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 5829] unlink("./159/binderfs" [pid 5830] <... close resumed>) = 0 [pid 6630] <... openat resumed>) = 3 [pid 5829] <... unlink resumed>) = 0 [pid 6630] write(3, "1000", 4) = 4 [pid 6630] close(3) = 0 [pid 6630] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6629] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] unlink("./152/binderfs" [pid 5830] rmdir("./154" [pid 5829] getdents64(3, [pid 6629] <... chdir resumed>) = 0 [pid 6630] write(1, "executing program\n", 18) = 18 [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6630] memfd_create("syzkaller", 0) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] close(3 [pid 6629] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 6630] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6629] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] rmdir("./159" [pid 6629] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./155", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] mkdir("./160", 0777 [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5833] rmdir("./152") = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] mkdir("./153", 0777 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] <... mkdir resumed>) = 0 [pid 6630] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 6631 attached [pid 6629] <... mknod resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 6631] set_robust_list(0x555567654760, 24 [pid 6630] <... write resumed>) = 524288 [pid 6629] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6631 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6631] <... set_robust_list resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6630] munmap(0x7fa6be400000, 138412032 [pid 5829] <... close resumed>) = 0 [pid 6631] chdir("./155" [pid 6630] <... munmap resumed>) = 0 [pid 6630] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6631] <... chdir resumed>) = 0 [pid 6629] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6631] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6629] sync( [pid 6630] <... openat resumed>) = 4 [pid 6630] ioctl(4, LOOP_SET_FD, 3 [pid 6631] <... prctl resumed>) = 0 [pid 6631] setpgid(0, 0) = 0 [pid 6631] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 6632 attached [pid 6632] set_robust_list(0x555567654760, 24 [pid 6631] <... openat resumed>) = 3 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6632 [pid 6632] <... set_robust_list resumed>) = 0 [pid 6631] write(3, "1000", 4 [pid 6632] chdir("./160" [pid 6631] <... write resumed>) = 4 [pid 5833] <... close resumed>) = 0 [pid 6632] <... chdir resumed>) = 0 [pid 6631] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6632] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6631] <... close resumed>) = 0 ./strace-static-x86_64: Process 6633 attached [pid 6632] <... prctl resumed>) = 0 [pid 6631] symlink("/dev/binderfs", "./binderfs" [pid 6629] <... sync resumed>) = 0 [pid 6632] setpgid(0, 0 [pid 6629] exit_group(0 [pid 6632] <... setpgid resumed>) = 0 [pid 6633] set_robust_list(0x555567654760, 24 [pid 6632] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6631] <... symlink resumed>) = 0 [pid 6629] <... exit_group resumed>) = ? [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6633 executing program [pid 6633] <... set_robust_list resumed>) = 0 [pid 6632] <... openat resumed>) = 3 [pid 6631] write(1, "executing program\n", 18) = 18 [pid 6633] chdir("./153" [pid 6631] memfd_create("syzkaller", 0 [pid 6630] <... ioctl resumed>) = 0 [pid 6629] +++ exited with 0 +++ [pid 6630] close(3) = 0 [pid 6630] close(4) = 0 [pid 6630] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6633] <... chdir resumed>) = 0 [pid 6632] write(3, "1000", 4 [pid 6631] <... memfd_create resumed>) = 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6629, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6631] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6632] <... write resumed>) = 4 [pid 6631] <... mmap resumed>) = 0x7fa6be400000 [pid 6632] close(3) = 0 [pid 6633] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6632] symlink("/dev/binderfs", "./binderfs" [pid 6630] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6633] <... prctl resumed>) = 0 [pid 6632] <... symlink resumed>) = 0 [pid 6633] setpgid(0, 0 [pid 6632] write(1, "executing program\n", 18 [pid 6633] <... setpgid resumed>) = 0 [ 164.921178][ T6630] loop3: detected capacity change from 0 to 1024 executing program [pid 6633] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6632] <... write resumed>) = 18 [pid 6632] memfd_create("syzkaller", 0 [pid 6633] <... openat resumed>) = 3 [pid 6632] <... memfd_create resumed>) = 3 [pid 6632] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6632] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6630] <... mount resumed>) = 0 [pid 6630] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6630] <... openat resumed>) = 3 [pid 6630] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6630] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5831] <... openat resumed>) = 3 [pid 6630] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6633] write(3, "1000", 4) = 4 [pid 6632] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] getdents64(3, [pid 6633] close(3 [pid 6631] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6633] <... close resumed>) = 0 [pid 6633] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6633] <... symlink resumed>) = 0 [pid 6630] <... mknod resumed>) = 0 [pid 5831] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6630] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6633] write(1, "executing program\n", 18executing program ) = 18 [pid 6633] memfd_create("syzkaller", 0) = 3 [pid 6630] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6630] sync( [pid 6633] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6631] <... write resumed>) = 524288 [pid 6631] munmap(0x7fa6be400000, 138412032 [pid 6633] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... umount2 resumed>) = 0 [pid 6630] <... sync resumed>) = 0 [pid 5831] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6632] <... write resumed>) = 524288 [pid 6630] exit_group(0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6630] <... exit_group resumed>) = ? [pid 5831] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6631] <... munmap resumed>) = 0 [pid 6630] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6632] munmap(0x7fa6be400000, 138412032 [pid 5831] openat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6630, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] <... openat resumed>) = 4 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] newfstatat(4, "", [pid 6632] <... munmap resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6631] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] getdents64(4, [pid 6632] <... openat resumed>) = 4 [pid 6631] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6632] ioctl(4, LOOP_SET_FD, 3 [pid 6631] ioctl(4, LOOP_SET_FD, 3 [pid 5831] close(4 [pid 5832] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] rmdir("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... rmdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5831] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6632] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./154/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./154/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6633] <... write resumed>) = 524288 [pid 6632] close(3 [pid 6631] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6633] munmap(0x7fa6be400000, 138412032 [pid 6631] close(3 [pid 5831] rmdir("./154" [pid 6633] <... munmap resumed>) = 0 [pid 6631] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6633] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] mkdir("./155", 0777 [pid 6633] <... openat resumed>) = 4 [pid 6632] <... close resumed>) = 0 [pid 6631] close(4 [pid 5831] <... mkdir resumed>) = 0 [pid 6633] ioctl(4, LOOP_SET_FD, 3 [pid 6632] close(4 [pid 6631] <... close resumed>) = 0 [pid 6632] <... close resumed>) = 0 [pid 6631] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6632] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6631] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6632] <... mkdir resumed>) = 0 [pid 5832] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... ioctl resumed>) = 0 [pid 6632] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6631] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] close(3 [pid 5832] newfstatat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6631] <... mount resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6633] <... ioctl resumed>) = 0 [pid 6633] close(3./strace-static-x86_64: Process 6634 attached ) = 0 [pid 6631] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6634 [pid 6633] close(4 [pid 6631] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 4 [pid 6634] set_robust_list(0x555567654760, 24 [pid 6633] <... close resumed>) = 0 [pid 6631] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] newfstatat(4, "", [pid 6634] <... set_robust_list resumed>) = 0 [pid 6633] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6631] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6634] chdir("./155" [pid 5832] getdents64(4, [pid 6634] <... chdir resumed>) = 0 [pid 6633] <... mkdir resumed>) = 0 [pid 6631] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6634] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] getdents64(4, [pid 6634] <... prctl resumed>) = 0 [pid 6633] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6632] <... mount resumed>) = 0 [pid 6631] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6631] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6634] setpgid(0, 0 [pid 6632] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6631] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6632] <... openat resumed>) = 3 [pid 6634] <... setpgid resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6634] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6632] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 165.060757][ T6632] loop0: detected capacity change from 0 to 1024 [ 165.067893][ T6631] loop1: detected capacity change from 0 to 1024 [ 165.086278][ T6633] loop4: detected capacity change from 0 to 1024 [pid 6631] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] rmdir("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6634] <... openat resumed>) = 3 [pid 6633] <... mount resumed>) = 0 [pid 6632] <... chdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6634] write(3, "1000", 4 [pid 6632] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6634] <... write resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6632] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6634] close(3 [pid 5832] newfstatat(AT_FDCWD, "./155/binderfs", [pid 6634] <... close resumed>) = 0 [pid 6633] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6634] symlink("/dev/binderfs", "./binderfs" [pid 6632] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] unlink("./155/binderfs" [pid 6634] <... symlink resumed>) = 0 [pid 6633] <... openat resumed>) = 3 [pid 5832] <... unlink resumed>) = 0 [pid 6634] write(1, "executing program\n", 18 [pid 6633] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6632] <... mknod resumed>) = 0 [pid 6631] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] getdents64(3, [pid 6633] <... chdir resumed>) = 0 [pid 6634] <... write resumed>) = 18 [pid 6632] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6631] sync( [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6634] memfd_create("syzkaller", 0 [pid 6633] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] close(3 [pid 6634] <... memfd_create resumed>) = 3 [pid 6633] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... close resumed>) = 0 [pid 6634] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6633] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] rmdir("./155" [pid 6634] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... rmdir resumed>) = 0 [pid 6634] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] mkdir("./156", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6633] <... mknod resumed>) = 0 [pid 6633] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6632] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6632] sync( [pid 6633] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... close resumed>) = 0 [pid 6633] sync( [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6635 attached [pid 6635] set_robust_list(0x555567654760, 24 [pid 6634] <... write resumed>) = 524288 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6635 [pid 6635] <... set_robust_list resumed>) = 0 [pid 6635] chdir("./156") = 0 [pid 6635] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6635] setpgid(0, 0 [pid 6634] munmap(0x7fa6be400000, 138412032 [pid 6635] <... setpgid resumed>) = 0 [pid 6634] <... munmap resumed>) = 0 [pid 6635] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6634] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6634] ioctl(4, LOOP_SET_FD, 3 [pid 6635] write(3, "1000", 4 [pid 6633] <... sync resumed>) = 0 [pid 6635] <... write resumed>) = 4 [pid 6635] close(3) = 0 [pid 6635] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6632] <... sync resumed>) = 0 executing program [pid 6635] write(1, "executing program\n", 18 [pid 6633] exit_group(0 [pid 6632] exit_group(0 [pid 6635] <... write resumed>) = 18 [pid 6635] memfd_create("syzkaller", 0 [pid 6633] <... exit_group resumed>) = ? [pid 6635] <... memfd_create resumed>) = 3 [pid 6632] <... exit_group resumed>) = ? [pid 6635] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6633] +++ exited with 0 +++ [pid 6632] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6633, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6632, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6635] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6631] <... sync resumed>) = 0 [pid 5833] umount2("./153", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6631] exit_group(0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6631] <... exit_group resumed>) = ? [pid 5833] openat(AT_FDCWD, "./153", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6631] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(3, "", [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6631, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6634] <... ioctl resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... openat resumed>) = 3 [pid 5833] getdents64(3, [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6635] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6634] close(3 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] getdents64(3, [pid 5833] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6634] <... close resumed>) = 0 [pid 6634] close(4 [pid 5830] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6634] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6634] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5830] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [ 165.252628][ T6634] loop2: detected capacity change from 0 to 1024 [pid 6634] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] umount2("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6635] <... write resumed>) = 524288 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6635] munmap(0x7fa6be400000, 138412032 [pid 6634] <... mount resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6635] <... munmap resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 5833] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6634] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(4, "", [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6635] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6635] ioctl(4, LOOP_SET_FD, 3 [pid 6634] <... openat resumed>) = 3 [pid 5833] getdents64(4, [pid 5830] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 6634] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6634] <... chdir resumed>) = 0 [pid 5833] getdents64(4, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(4 [pid 6634] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] close(4 [pid 5829] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] rmdir("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6634] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] rmdir("./153/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6634] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6635] <... ioctl resumed>) = 0 [pid 6635] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6635] <... close resumed>) = 0 [pid 5833] umount2("./153/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(AT_FDCWD, "./160/binderfs", [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 6635] close(4 [pid 5833] newfstatat(AT_FDCWD, "./153/binderfs", [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6635] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(4 [pid 5829] unlink("./160/binderfs" [pid 6635] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5833] unlink("./153/binderfs" [pid 5830] rmdir("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] getdents64(3, [pid 6635] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6634] <... mknod resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 6635] <... mount resumed>) = 0 [pid 5829] rmdir("./160" [pid 5833] close(3 [pid 5830] newfstatat(AT_FDCWD, "./155/binderfs", [pid 6635] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6634] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6635] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6635] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] rmdir("./153" [pid 5830] unlink("./155/binderfs" [pid 5829] mkdir("./161", 0777 [pid 6635] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] mkdir("./154", 0777 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5830] close(3 [pid 5829] <... openat resumed>) = 3 [pid 6635] <... mknod resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] rmdir("./155" [pid 5829] <... ioctl resumed>) = 0 [pid 6635] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] close(3 [pid 6634] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... openat resumed>) = 3 [pid 5830] <... rmdir resumed>) = 0 [pid 6635] <... link resumed>) = -1 ENOSPC (No space left on device) [ 165.343755][ T6635] loop3: detected capacity change from 0 to 1024 [pid 6635] sync( [pid 6634] sync( [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] mkdir("./156", 0777 [pid 5829] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6636 attached [pid 6636] set_robust_list(0x555567654760, 24) = 0 [pid 6636] chdir("./161" [pid 5833] <... close resumed>) = 0 [pid 6636] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6636 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6638 attached ./strace-static-x86_64: Process 6637 attached [pid 6636] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6637 [pid 6636] setpgid(0, 0 [pid 6637] set_robust_list(0x555567654760, 24 [pid 6636] <... setpgid resumed>) = 0 [pid 6635] <... sync resumed>) = 0 [pid 6634] <... sync resumed>) = 0 [pid 6638] set_robust_list(0x555567654760, 24 [pid 6637] <... set_robust_list resumed>) = 0 [pid 6636] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6635] exit_group(0 [pid 6634] exit_group(0 [pid 6638] <... set_robust_list resumed>) = 0 [pid 6637] chdir("./154" [pid 6638] chdir("./156" [pid 6637] <... chdir resumed>) = 0 [pid 6635] <... exit_group resumed>) = ? [pid 6637] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] <... openat resumed>) = 3 [pid 6635] +++ exited with 0 +++ [pid 6634] <... exit_group resumed>) = ? [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6638 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6635, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6638] <... chdir resumed>) = 0 [pid 6637] <... prctl resumed>) = 0 [pid 6636] write(3, "1000", 4 [pid 6634] +++ exited with 0 +++ [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6634, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5831] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6637] setpgid(0, 0 [pid 5831] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6638] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6637] <... setpgid resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6638] <... prctl resumed>) = 0 [pid 6637] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6636] <... write resumed>) = 4 [pid 5831] newfstatat(3, "", [pid 6636] close(3 [pid 5832] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6636] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6638] setpgid(0, 0 [pid 6637] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6638] <... setpgid resumed>) = 0 [pid 6636] symlink("/dev/binderfs", "./binderfs" [pid 5832] newfstatat(3, "", [pid 5831] getdents64(3, [pid 6638] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6637] write(3, "1000", 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6637] <... write resumed>) = 4 [pid 6636] <... symlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6636] write(1, "executing program\n", 18) = 18 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6637] close(3 [pid 6636] memfd_create("syzkaller", 0 [pid 5832] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6637] <... close resumed>) = 0 [pid 6637] symlink("/dev/binderfs", "./binderfs" [pid 6638] <... openat resumed>) = 3 [pid 6638] write(3, "1000", 4 [pid 6637] <... symlink resumed>) = 0 executing program [pid 6638] <... write resumed>) = 4 [pid 6637] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = 0 [pid 6638] close(3 [pid 6637] <... write resumed>) = 18 [pid 6638] <... close resumed>) = 0 [pid 6637] memfd_create("syzkaller", 0 [pid 6638] symlink("/dev/binderfs", "./binderfs" [pid 6637] <... memfd_create resumed>) = 3 [pid 6638] <... symlink resumed>) = 0 [pid 6636] <... memfd_create resumed>) = 3 [pid 6636] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 executing program [pid 5832] <... umount2 resumed>) = 0 [pid 6638] write(1, "executing program\n", 18 [pid 6637] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6636] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6638] <... write resumed>) = 18 [pid 6637] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6638] memfd_create("syzkaller", 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6638] <... memfd_create resumed>) = 3 [pid 6638] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6637] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] newfstatat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] newfstatat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6638] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6638] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6636] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] openat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 5832] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5831] getdents64(4, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5831] close(4 [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5832] rmdir("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./156/binderfs", [pid 5831] newfstatat(AT_FDCWD, "./155/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./156/binderfs" [pid 5831] unlink("./155/binderfs" [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 6637] <... write resumed>) = 524288 [pid 6636] <... write resumed>) = 524288 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6638] <... write resumed>) = 524288 [pid 6636] munmap(0x7fa6be400000, 138412032 [pid 5832] close(3 [pid 5831] getdents64(3, [pid 6638] munmap(0x7fa6be400000, 138412032 [pid 6637] munmap(0x7fa6be400000, 138412032 [pid 6638] <... munmap resumed>) = 0 [pid 6637] <... munmap resumed>) = 0 [pid 6636] <... munmap resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] rmdir("./156" [pid 5831] close(3 [pid 6638] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6637] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6638] <... openat resumed>) = 4 [pid 6637] <... openat resumed>) = 4 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6638] ioctl(4, LOOP_SET_FD, 3 [pid 6637] ioctl(4, LOOP_SET_FD, 3 [pid 5832] mkdir("./157", 0777 [pid 5831] rmdir("./155" [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6636] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] mkdir("./156", 0777 [pid 6636] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5832] close(3) = 0 [pid 5831] close(3 [pid 6637] <... ioctl resumed>) = 0 [pid 6637] close(3) = 0 [pid 6637] close(4 [pid 6638] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6638] close(3) = 0 [pid 6637] <... close resumed>) = 0 [pid 6638] close(4) = 0 [pid 6637] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6638] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6637] <... mkdir resumed>) = 0 [pid 6638] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6639 attached ./strace-static-x86_64: Process 6640 attached [pid 6639] set_robust_list(0x555567654760, 24 [pid 6638] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6637] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6640 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6639 [pid 6639] <... set_robust_list resumed>) = 0 [pid 6639] chdir("./156" [pid 6636] <... ioctl resumed>) = 0 [pid 6639] <... chdir resumed>) = 0 [pid 6639] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6640] set_robust_list(0x555567654760, 24 [pid 6639] <... prctl resumed>) = 0 [ 165.576902][ T6637] loop4: detected capacity change from 0 to 1024 [ 165.584083][ T6638] loop1: detected capacity change from 0 to 1024 [ 165.592267][ T6636] loop0: detected capacity change from 0 to 1024 [pid 6636] close(3 [pid 6640] <... set_robust_list resumed>) = 0 [pid 6640] chdir("./157" [pid 6639] setpgid(0, 0 [pid 6636] <... close resumed>) = 0 [pid 6639] <... setpgid resumed>) = 0 [pid 6640] <... chdir resumed>) = 0 [pid 6639] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6636] close(4 [pid 6640] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6636] <... close resumed>) = 0 [pid 6640] <... prctl resumed>) = 0 [pid 6639] <... openat resumed>) = 3 [pid 6636] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6640] setpgid(0, 0) = 0 [pid 6640] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6640] write(3, "1000", 4) = 4 [pid 6640] close(3 [pid 6636] <... mkdir resumed>) = 0 [pid 6640] <... close resumed>) = 0 [pid 6640] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6639] write(3, "1000", 4 [pid 6636] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6640] write(1, "executing program\n", 18) = 18 [pid 6640] memfd_create("syzkaller", 0 [pid 6639] <... write resumed>) = 4 [pid 6640] <... memfd_create resumed>) = 3 [pid 6640] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6639] close(3) = 0 [pid 6639] symlink("/dev/binderfs", "./binderfs" [pid 6638] <... mount resumed>) = 0 [pid 6638] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6639] <... symlink resumed>) = 0 [pid 6638] <... openat resumed>) = 3 [pid 6638] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 executing program [pid 6639] write(1, "executing program\n", 18) = 18 [pid 6638] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6640] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6639] memfd_create("syzkaller", 0 [pid 6637] <... mount resumed>) = 0 [pid 6636] <... mount resumed>) = 0 [pid 6638] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6637] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6636] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6639] <... memfd_create resumed>) = 3 [pid 6639] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6638] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6636] <... openat resumed>) = 3 [pid 6637] <... openat resumed>) = 3 [pid 6639] <... mmap resumed>) = 0x7fa6be400000 [pid 6637] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6636] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6637] <... chdir resumed>) = 0 [pid 6639] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6637] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6636] <... chdir resumed>) = 0 [pid 6638] <... mknod resumed>) = 0 [pid 6637] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6636] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6639] <... write resumed>) = 524288 [pid 6637] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6636] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6636] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6638] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6637] <... mknod resumed>) = 0 [pid 6637] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6636] <... mknod resumed>) = 0 [pid 6636] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6640] <... write resumed>) = 524288 [pid 6640] munmap(0x7fa6be400000, 138412032) = 0 [pid 6638] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6638] sync( [pid 6640] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6639] munmap(0x7fa6be400000, 138412032) = 0 [pid 6640] <... openat resumed>) = 4 [pid 6640] ioctl(4, LOOP_SET_FD, 3 [pid 6637] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6639] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6637] sync( [pid 6636] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6639] ioctl(4, LOOP_SET_FD, 3 [pid 6636] sync( [pid 6640] <... ioctl resumed>) = 0 [pid 6640] close(3) = 0 [pid 6640] close(4) = 0 [pid 6640] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6640] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6639] <... ioctl resumed>) = 0 [pid 6639] close(3) = 0 [pid 6639] close(4) = 0 [pid 6639] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 165.750044][ T6640] loop3: detected capacity change from 0 to 1024 [ 165.758340][ T6639] loop2: detected capacity change from 0 to 1024 [pid 6639] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6640] <... mount resumed>) = 0 [pid 6639] <... mount resumed>) = 0 [pid 6639] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6640] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6639] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6640] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6639] <... chdir resumed>) = 0 [pid 6640] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6639] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6640] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6640] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6639] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6639] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6638] <... sync resumed>) = 0 [pid 6638] exit_group(0) = ? [pid 6637] <... sync resumed>) = 0 [pid 6636] <... sync resumed>) = 0 [pid 6639] <... mknod resumed>) = 0 [pid 6636] exit_group(0 [pid 6639] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6636] <... exit_group resumed>) = ? [pid 6636] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6636, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6638] +++ exited with 0 +++ [pid 5829] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6637] exit_group(0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6638, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6637] <... exit_group resumed>) = ? [pid 5829] <... openat resumed>) = 3 [pid 6640] <... mknod resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 5830] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 6637] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6637, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(3, "", [pid 6639] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6639] sync( [pid 5830] getdents64(3, [pid 6640] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./154", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./154", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6640] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6640] sync( [pid 5833] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6640] <... sync resumed>) = 0 [pid 6639] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6640] exit_group(0 [pid 6639] exit_group(0 [pid 5830] openat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6640] <... exit_group resumed>) = ? [pid 6639] <... exit_group resumed>) = ? [pid 5833] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 4 [pid 6640] +++ exited with 0 +++ [pid 6639] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6640, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6639, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] newfstatat(4, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(4, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 5833] openat(AT_FDCWD, "./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... openat resumed>) = 4 [pid 5832] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, [pid 5833] newfstatat(4, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5829] getdents64(4, [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] getdents64(4, [pid 5832] <... openat resumed>) = 3 [pid 5830] close(4 [pid 5829] close(4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] newfstatat(3, "", [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] rmdir("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] rmdir("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(4, [pid 5832] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(4 [pid 5832] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./156/binderfs", [pid 5829] newfstatat(AT_FDCWD, "./161/binderfs", [pid 5833] rmdir("./154/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] unlink("./156/binderfs" [pid 5829] unlink("./161/binderfs" [pid 5833] umount2("./154/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] getdents64(3, [pid 5833] newfstatat(AT_FDCWD, "./154/binderfs", [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 5829] close(3 [pid 5833] unlink("./154/binderfs" [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5830] rmdir("./156" [pid 5829] rmdir("./161" [pid 5833] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./157", 0777 [pid 5829] mkdir("./162", 0777 [pid 5833] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./154") = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... ioctl resumed>) = 0 [pid 5833] mkdir("./155", 0777) = 0 [pid 5830] close(3 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6641 attached [pid 5831] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6641] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6641 [pid 5831] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6641] <... set_robust_list resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6641] chdir("./155" [pid 5831] openat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6641] <... chdir resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567654750) = 6642 ./strace-static-x86_64: Process 6642 attached [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6641] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6641] setpgid(0, 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6641] <... setpgid resumed>) = 0 [pid 6641] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] close(4 [pid 6642] set_robust_list(0x555567654760, 24 [pid 6641] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6642] <... set_robust_list resumed>) = 0 [pid 6641] write(3, "1000", 4 [pid 6642] chdir("./162" [pid 6641] <... write resumed>) = 4 [pid 6642] <... chdir resumed>) = 0 [pid 6641] close(3 [pid 5831] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6642] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6641] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6642] <... prctl resumed>) = 0 [pid 6641] symlink("/dev/binderfs", "./binderfs" [pid 5831] newfstatat(AT_FDCWD, "./156/binderfs", [pid 6641] <... symlink resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6642] setpgid(0, 0 [pid 6641] write(1, "executing program\n", 18 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] unlink("./156/binderfs" [pid 6641] <... write resumed>) = 18 [pid 5831] <... unlink resumed>) = 0 [pid 6641] memfd_create("syzkaller", 0 [pid 5831] getdents64(3, [pid 6642] <... setpgid resumed>) = 0 [pid 6641] <... memfd_create resumed>) = 3 [pid 5832] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6642] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6641] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3 [pid 6641] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] newfstatat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... close resumed>) = 0 [pid 6641] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] rmdir("./156" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6642] <... openat resumed>) = 3 [pid 5832] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 6642] write(3, "1000", 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] mkdir("./157", 0777 [pid 6642] <... write resumed>) = 4 [pid 5832] openat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... mkdir resumed>) = 0 [pid 6642] close(3 [pid 5832] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6642] <... close resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] <... openat resumed>) = 3 [pid 6642] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] getdents64(4, [pid 5831] <... ioctl resumed>) = 0 [pid 6642] <... symlink resumed>) = 0 [pid 5831] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6643 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... close resumed>) = 0 ./strace-static-x86_64: Process 6643 attached executing program [pid 6642] write(1, "executing program\n", 18 [pid 5832] getdents64(4, [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6644 attached [pid 6642] <... write resumed>) = 18 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6644] set_robust_list(0x555567654760, 24 [pid 6643] set_robust_list(0x555567654760, 24 [pid 6642] memfd_create("syzkaller", 0 [pid 6644] <... set_robust_list resumed>) = 0 [pid 6643] <... set_robust_list resumed>) = 0 [pid 6642] <... memfd_create resumed>) = 3 [pid 5832] close(4 [pid 6644] chdir("./157" [pid 6642] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... close resumed>) = 0 [pid 6644] <... chdir resumed>) = 0 [pid 6643] chdir("./157" [pid 6642] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] rmdir("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6644] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6643] <... chdir resumed>) = 0 [pid 6642] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6644] <... prctl resumed>) = 0 [pid 6641] <... write resumed>) = 524288 [pid 5832] <... rmdir resumed>) = 0 [pid 6644] setpgid(0, 0) = 0 [pid 6644] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6644 [pid 6644] <... openat resumed>) = 3 [pid 5832] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6644] write(3, "1000", 4 [pid 5832] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6644] <... write resumed>) = 4 [pid 5832] unlink("./157/binderfs" [pid 6644] close(3 [pid 5832] <... unlink resumed>) = 0 [pid 6644] <... close resumed>) = 0 [pid 5832] getdents64(3, [pid 6644] symlink("/dev/binderfs", "./binderfs" [pid 6643] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6643] <... prctl resumed>) = 0 [pid 6644] <... symlink resumed>) = 0 [pid 6643] setpgid(0, 0 [pid 5832] close(3 [pid 6643] <... setpgid resumed>) = 0 executing program [pid 6644] write(1, "executing program\n", 18 [pid 6643] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... close resumed>) = 0 [pid 6644] <... write resumed>) = 18 [pid 5832] rmdir("./157" [pid 6644] memfd_create("syzkaller", 0 [pid 6643] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6643] write(3, "1000", 4) = 4 [pid 5832] mkdir("./158", 0777 [pid 6643] close(3 [pid 5832] <... mkdir resumed>) = 0 [pid 6644] <... memfd_create resumed>) = 3 [pid 6644] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6643] <... close resumed>) = 0 [pid 6641] munmap(0x7fa6be400000, 138412032 [pid 6644] <... mmap resumed>) = 0x7fa6be400000 [pid 6643] symlink("/dev/binderfs", "./binderfs" [pid 6641] <... munmap resumed>) = 0 [pid 6643] <... symlink resumed>) = 0 [pid 6642] <... write resumed>) = 524288 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6643] write(1, "executing program\n", 18executing program [pid 6641] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 6643] <... write resumed>) = 18 [pid 6641] <... openat resumed>) = 4 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6641] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... ioctl resumed>) = 0 [pid 6641] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] close(3 [pid 6641] ioctl(4, LOOP_CLR_FD [pid 5832] <... close resumed>) = 0 [pid 6641] <... ioctl resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6644] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288./strace-static-x86_64: Process 6645 attached [pid 6641] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6645 [pid 6643] memfd_create("syzkaller", 0) = 3 [pid 6641] close(4) = 0 [pid 6645] set_robust_list(0x555567654760, 24 [pid 6641] close(3 [pid 6643] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6645] <... set_robust_list resumed>) = 0 [pid 6645] chdir("./158" [pid 6643] <... mmap resumed>) = 0x7fa6be400000 [pid 6645] <... chdir resumed>) = 0 [pid 6642] munmap(0x7fa6be400000, 138412032) = 0 [pid 6641] <... close resumed>) = 0 [pid 6645] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6642] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6641] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6645] <... prctl resumed>) = 0 [pid 6642] <... openat resumed>) = 4 [pid 6641] <... mknod resumed>) = 0 [pid 6645] setpgid(0, 0 [pid 6642] ioctl(4, LOOP_SET_FD, 3 [pid 6641] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6645] <... setpgid resumed>) = 0 [pid 6643] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6641] <... link resumed>) = 0 [pid 6645] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6642] <... ioctl resumed>) = 0 [pid 6645] <... openat resumed>) = 3 [pid 6644] <... write resumed>) = 524288 [pid 6642] close(3 [pid 6645] write(3, "1000", 4 [pid 6644] munmap(0x7fa6be400000, 138412032 [pid 6642] <... close resumed>) = 0 [pid 6645] <... write resumed>) = 4 [pid 6644] <... munmap resumed>) = 0 [pid 6642] close(4 [pid 6645] close(3 [pid 6642] <... close resumed>) = 0 [pid 6645] <... close resumed>) = 0 [pid 6642] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6645] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6645] write(1, "executing program\n", 18 [pid 6644] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6642] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6641] sync( [pid 6645] <... write resumed>) = 18 [pid 6644] <... openat resumed>) = 4 [pid 6645] memfd_create("syzkaller", 0 [pid 6644] ioctl(4, LOOP_SET_FD, 3 [pid 6645] <... memfd_create resumed>) = 3 [pid 6645] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6645] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6643] <... write resumed>) = 524288 [pid 6642] <... mount resumed>) = 0 [ 166.100410][ T6642] loop0: detected capacity change from 0 to 1024 [pid 6642] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6645] <... write resumed>) = 524288 [pid 6643] munmap(0x7fa6be400000, 138412032) = 0 [pid 6642] <... openat resumed>) = 3 [pid 6642] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6642] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6642] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6643] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6643] ioctl(4, LOOP_SET_FD, 3 [pid 6644] <... ioctl resumed>) = 0 [pid 6644] close(3 [pid 6642] <... mknod resumed>) = 0 [pid 6644] <... close resumed>) = 0 [pid 6642] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6644] close(4 [pid 6645] munmap(0x7fa6be400000, 138412032 [pid 6644] <... close resumed>) = 0 [pid 6645] <... munmap resumed>) = 0 [pid 6644] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6645] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6644] <... mkdir resumed>) = 0 [pid 6645] <... openat resumed>) = 4 [pid 6645] ioctl(4, LOOP_SET_FD, 3 [pid 6641] <... sync resumed>) = 0 [pid 6645] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6641] exit_group(0) = ? [pid 6645] ioctl(4, LOOP_CLR_FD [pid 6641] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6641, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6645] <... ioctl resumed>) = 0 [pid 6643] <... ioctl resumed>) = 0 [pid 6644] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6642] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... restart_syscall resumed>) = 0 [pid 6645] ioctl(4, LOOP_SET_FD, 3 [pid 6643] close(3 [pid 6642] sync( [pid 6645] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6645] close(4 [ 166.147938][ T6644] loop2: detected capacity change from 0 to 1024 [ 166.172976][ T6643] loop1: detected capacity change from 0 to 1024 [pid 6643] <... close resumed>) = 0 [pid 5833] umount2("./155", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6645] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6643] close(4 [pid 5833] openat(AT_FDCWD, "./155", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6643] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6643] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] newfstatat(3, "", [pid 6643] <... mkdir resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5833] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6643] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] unlink("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./155/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./155/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6645] close(3 [pid 5833] newfstatat(AT_FDCWD, "./155/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./155/binderfs") = 0 [pid 6645] <... close resumed>) = 0 [pid 6643] <... mount resumed>) = 0 [pid 5833] getdents64(3, [pid 6644] <... mount resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6644] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6643] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] close(3 [pid 6644] <... openat resumed>) = 3 [pid 6643] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 6644] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6643] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] rmdir("./155" [pid 6644] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6643] <... chdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6643] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] mkdir("./156", 0777 [pid 6644] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6643] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... mkdir resumed>) = 0 [pid 6645] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6644] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6643] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6645] <... mknod resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6645] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6645] <... link resumed>) = 0 [pid 6644] <... mknod resumed>) = 0 [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6645] sync( [pid 6644] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(3 [pid 6643] <... mknod resumed>) = 0 [pid 6642] <... sync resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6646 attached [pid 6642] exit_group(0 [pid 6643] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6642] <... exit_group resumed>) = ? [pid 6646] set_robust_list(0x555567654760, 24 [pid 6642] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6642, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6646] <... set_robust_list resumed>) = 0 [pid 6646] chdir("./156" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6646 [pid 6646] <... chdir resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6646] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6646] setpgid(0, 0 [pid 5829] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6646] <... setpgid resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6646] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6643] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6643] sync( [pid 6646] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 6644] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6644] sync( [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6646] write(3, "1000", 4 [pid 5829] getdents64(3, [pid 6646] <... write resumed>) = 4 [pid 6646] close(3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6646] <... close resumed>) = 0 [pid 5829] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6646] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6644] <... sync resumed>) = 0 [pid 6644] exit_group(0executing program [pid 6646] write(1, "executing program\n", 18 [pid 6643] <... sync resumed>) = 0 [pid 6646] <... write resumed>) = 18 [pid 6645] <... sync resumed>) = 0 [pid 6644] <... exit_group resumed>) = ? [pid 6643] exit_group(0 [pid 5829] <... umount2 resumed>) = 0 [pid 6646] memfd_create("syzkaller", 0 [pid 6643] <... exit_group resumed>) = ? [pid 6646] <... memfd_create resumed>) = 3 [pid 6645] exit_group(0 [pid 6643] +++ exited with 0 +++ [pid 6646] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6645] <... exit_group resumed>) = ? [pid 6646] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6643, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6646] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6645] +++ exited with 0 +++ [pid 6644] +++ exited with 0 +++ [pid 5830] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6645, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6644, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] openat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... openat resumed>) = 4 [pid 5830] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5829] getdents64(4, [pid 5832] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(4, [pid 5832] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6646] <... write resumed>) = 524288 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] close(4 [pid 5830] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] rmdir("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] getdents64(3, [pid 5831] getdents64(3, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] newfstatat(AT_FDCWD, "./162/binderfs", [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(4, "", [pid 5832] <... unlink resumed>) = 0 [pid 5829] unlink("./162/binderfs" [pid 5832] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... unlink resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5829] getdents64(3, [pid 5832] newfstatat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(4, [pid 5829] close(3 [pid 6646] munmap(0x7fa6be400000, 138412032 [pid 5832] unlink("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... close resumed>) = 0 [pid 6646] <... munmap resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(4 [pid 5829] rmdir("./162" [pid 5832] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 6646] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] newfstatat(AT_FDCWD, "./158/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6646] <... openat resumed>) = 4 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... rmdir resumed>) = 0 [pid 5829] mkdir("./163", 0777 [pid 6646] ioctl(4, LOOP_SET_FD, 3 [pid 5832] unlink("./158/binderfs" [pid 5831] <... openat resumed>) = 4 [pid 5830] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... mkdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] newfstatat(AT_FDCWD, "./157/binderfs", [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./157/binderfs" [pid 5829] <... ioctl resumed>) = 0 [pid 5832] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5829] close(3 [pid 5831] getdents64(4, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] rmdir("./157"./strace-static-x86_64: Process 6647 attached [pid 5832] rmdir("./158" [pid 5831] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./158", 0777 [pid 5831] close(4 [pid 5832] mkdir("./159", 0777) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5831] rmdir("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6647] set_robust_list(0x555567654760, 24 [pid 6646] <... ioctl resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6647 [pid 6647] <... set_robust_list resumed>) = 0 [pid 6646] close(3 [pid 5830] <... openat resumed>) = 3 [pid 6647] chdir("./163" [pid 6646] <... close resumed>) = 0 [pid 6646] close(4) = 0 [pid 6646] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6647] <... chdir resumed>) = 0 [pid 6647] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6647] setpgid(0, 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6647] <... setpgid resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6647] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6646] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6647] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6647] write(3, "1000", 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6648 attached [pid 6647] <... write resumed>) = 4 [pid 5830] <... ioctl resumed>) = 0 [pid 6647] close(3) = 0 [pid 6647] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6647] write(1, "executing program\n", 18executing program ) = 18 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6648 [pid 6647] memfd_create("syzkaller", 0) = 3 [pid 5831] newfstatat(AT_FDCWD, "./157/binderfs", [pid 5830] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6647] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6648] set_robust_list(0x555567654760, 24 [pid 5831] unlink("./157/binderfs" [pid 5830] <... close resumed>) = 0 [pid 6648] <... set_robust_list resumed>) = 0 [pid 6648] chdir("./159" [pid 5831] <... unlink resumed>) = 0 [ 166.399431][ T6646] loop4: detected capacity change from 0 to 1024 [pid 6647] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6648] <... chdir resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6648] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6647] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6649 attached [pid 6648] setpgid(0, 0 [pid 6646] <... mount resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6648] <... setpgid resumed>) = 0 [pid 6646] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] rmdir("./157" [pid 6648] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6646] <... openat resumed>) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6649 [pid 6649] set_robust_list(0x555567654760, 24 [pid 6647] munmap(0x7fa6be400000, 138412032 [pid 6646] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6649] <... set_robust_list resumed>) = 0 [pid 6648] <... openat resumed>) = 3 [pid 6647] <... munmap resumed>) = 0 [pid 6646] <... chdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6649] chdir("./158" [pid 6646] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6649] <... chdir resumed>) = 0 [pid 6648] write(3, "1000", 4 [pid 6647] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6646] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] mkdir("./158", 0777 [pid 6649] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6648] <... write resumed>) = 4 [pid 6647] <... openat resumed>) = 4 [pid 6646] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6649] <... prctl resumed>) = 0 [pid 6648] close(3 [pid 5831] <... mkdir resumed>) = 0 [pid 6649] setpgid(0, 0 [pid 6648] <... close resumed>) = 0 [pid 6647] ioctl(4, LOOP_SET_FD, 3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6648] symlink("/dev/binderfs", "./binderfs" [pid 6649] <... setpgid resumed>) = 0 [pid 6649] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ) = 3 [pid 6648] <... symlink resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6648] write(1, "executing program\n", 18 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6648] <... write resumed>) = 18 [pid 6649] write(3, "1000", 4 [pid 6648] memfd_create("syzkaller", 0 [pid 6646] <... mknod resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 6648] <... memfd_create resumed>) = 3 [pid 6649] <... write resumed>) = 4 [pid 6648] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6646] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] close(3 [pid 6648] <... mmap resumed>) = 0x7fa6be400000 [pid 6649] close(3) = 0 [pid 6649] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6649] write(1, "executing program\n", 18) = 18 [pid 6649] memfd_create("syzkaller", 0) = 3 [pid 6649] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6646] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6646] sync( [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6650 attached [pid 6649] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6648] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6650 [pid 6650] set_robust_list(0x555567654760, 24 [pid 6647] <... ioctl resumed>) = 0 [pid 6647] close(3) = 0 [pid 6647] close(4) = 0 [pid 6647] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6647] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6650] <... set_robust_list resumed>) = 0 [pid 6650] chdir("./158") = 0 [pid 6650] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6650] setpgid(0, 0) = 0 [pid 6647] <... mount resumed>) = 0 [ 166.487341][ T6647] loop0: detected capacity change from 0 to 1024 [pid 6647] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6650] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6647] <... openat resumed>) = 3 [pid 6646] <... sync resumed>) = 0 [pid 6646] exit_group(0 [pid 6650] <... openat resumed>) = 3 [pid 6647] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6646] <... exit_group resumed>) = ? [pid 6650] write(3, "1000", 4 [pid 6647] <... chdir resumed>) = 0 [pid 6650] <... write resumed>) = 4 [pid 6647] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6647] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6650] close(3) = 0 executing program [pid 6649] <... write resumed>) = 524288 [pid 6646] +++ exited with 0 +++ [pid 6650] symlink("/dev/binderfs", "./binderfs" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6646, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6650] <... symlink resumed>) = 0 [pid 6648] <... write resumed>) = 524288 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6650] write(1, "executing program\n", 18) = 18 [pid 6647] <... mknod resumed>) = 0 [pid 5833] umount2("./156", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6650] memfd_create("syzkaller", 0 [pid 6649] munmap(0x7fa6be400000, 138412032 [pid 6647] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6650] <... memfd_create resumed>) = 3 [pid 6649] <... munmap resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./156", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6650] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6648] munmap(0x7fa6be400000, 138412032 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 6649] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6650] <... mmap resumed>) = 0x7fa6be400000 [pid 6649] <... openat resumed>) = 4 [pid 6648] <... munmap resumed>) = 0 [pid 5833] getdents64(3, [pid 6649] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6648] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6647] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6647] sync( [pid 6649] <... ioctl resumed>) = 0 [pid 6650] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6648] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = 0 [pid 6648] ioctl(4, LOOP_SET_FD, 3 [pid 6647] <... sync resumed>) = 0 [pid 6647] exit_group(0) = ? [pid 6650] <... write resumed>) = 524288 [pid 6649] close(3 [pid 6647] +++ exited with 0 +++ [pid 5833] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6649] <... close resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6647, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6649] close(4 [pid 5829] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6649] <... close resumed>) = 0 [pid 6649] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6649] <... mkdir resumed>) = 0 [pid 6649] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6648] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6648] close(3 [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 6648] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6650] munmap(0x7fa6be400000, 138412032 [pid 6649] <... mount resumed>) = 0 [pid 6648] close(4 [pid 5833] close(4 [pid 6648] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6648] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] rmdir("./156/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6650] <... munmap resumed>) = 0 [pid 6649] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6648] <... mkdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6650] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6649] <... openat resumed>) = 3 [pid 6648] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 166.580221][ T6649] loop1: detected capacity change from 0 to 1024 [ 166.609849][ T6648] loop3: detected capacity change from 0 to 1024 [pid 5833] umount2("./156/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6650] <... openat resumed>) = 4 [pid 6649] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6649] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6649] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./156/binderfs", [pid 5829] <... openat resumed>) = 4 [pid 6649] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6649] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(4, "", [pid 6650] ioctl(4, LOOP_SET_FD, 3 [pid 5833] unlink("./156/binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6649] <... mknod resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6648] <... mount resumed>) = 0 [pid 6649] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6648] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6648] <... openat resumed>) = 3 [pid 6648] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... rmdir resumed>) = 0 [pid 5833] getdents64(3, [pid 6648] <... chdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./156") = 0 [pid 5829] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] mkdir("./157", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6649] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6648] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] newfstatat(AT_FDCWD, "./163/binderfs", [pid 6649] sync( [pid 6648] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... mkdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6648] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] unlink("./163/binderfs" [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 5829] <... unlink resumed>) = 0 [pid 6648] <... mknod resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6650] <... ioctl resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./163" [pid 6650] close(3) = 0 [pid 6649] <... sync resumed>) = 0 [pid 6648] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... rmdir resumed>) = 0 [pid 6650] close(4 [pid 5829] mkdir("./164", 0777 [pid 6650] <... close resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6650] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6650] <... mkdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 6650] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6651 attached [pid 6649] exit_group(0) = ? [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6651 [ 166.665619][ T6650] loop2: detected capacity change from 0 to 1024 [pid 6651] set_robust_list(0x555567654760, 24 [pid 6649] +++ exited with 0 +++ [pid 6648] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6651] <... set_robust_list resumed>) = 0 [pid 6648] sync( [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6649, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6651] chdir("./164" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6652 ./strace-static-x86_64: Process 6652 attached [pid 6651] <... chdir resumed>) = 0 [pid 5830] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6651] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6651] setpgid(0, 0) = 0 [pid 6652] set_robust_list(0x555567654760, 24) = 0 [pid 6651] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6652] chdir("./157" [pid 6651] <... openat resumed>) = 3 [pid 6650] <... mount resumed>) = 0 [pid 6651] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = 0 [pid 6652] <... chdir resumed>) = 0 [pid 6651] <... write resumed>) = 4 [pid 6650] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6652] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6651] close(3 [pid 6650] <... openat resumed>) = 3 [pid 6652] <... prctl resumed>) = 0 [pid 6651] <... close resumed>) = 0 [pid 6650] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6652] setpgid(0, 0 [pid 6651] symlink("/dev/binderfs", "./binderfs" [pid 6650] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6652] <... setpgid resumed>) = 0 [pid 6651] <... symlink resumed>) = 0 [pid 6650] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6651] write(1, "executing program\n", 18 [pid 6650] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6651] <... write resumed>) = 18 [pid 6648] <... sync resumed>) = 0 [pid 6652] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6651] memfd_create("syzkaller", 0 [pid 6648] exit_group(0 [pid 5830] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6652] <... openat resumed>) = 3 [pid 6651] <... memfd_create resumed>) = 3 [pid 6650] <... mknod resumed>) = 0 [pid 6648] <... exit_group resumed>) = ? [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6651] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6650] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6652] write(3, "1000", 4 [pid 6651] <... mmap resumed>) = 0x7fa6be400000 [pid 6648] +++ exited with 0 +++ [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6652] <... write resumed>) = 4 [pid 6651] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6652] close(3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6648, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6652] <... close resumed>) = 0 [pid 6652] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6652] <... symlink resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6652] write(1, "executing program\n", 18executing program ) = 18 [pid 6650] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... openat resumed>) = 4 [pid 6652] memfd_create("syzkaller", 0 [pid 6650] sync( [pid 5832] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", [pid 6652] <... memfd_create resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6652] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... openat resumed>) = 3 [pid 5830] getdents64(4, [pid 6652] <... mmap resumed>) = 0x7fa6be400000 [pid 6651] <... write resumed>) = 524288 [pid 6650] <... sync resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6651] munmap(0x7fa6be400000, 138412032 [pid 5830] rmdir("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6650] exit_group(0) = ? [pid 5830] <... rmdir resumed>) = 0 [pid 6651] <... munmap resumed>) = 0 [pid 6650] +++ exited with 0 +++ [pid 5830] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6650, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] newfstatat(AT_FDCWD, "./158/binderfs", [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6651] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] unlink("./158/binderfs") = 0 [pid 6651] <... openat resumed>) = 4 [pid 5830] getdents64(3, [pid 5832] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6651] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 6651] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] rmdir("./158" [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./159", 0777 [pid 6651] ioctl(4, LOOP_CLR_FD [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6651] <... ioctl resumed>) = 0 [pid 5831] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6652] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] close(3 [pid 6651] ioctl(4, LOOP_SET_FD, 3 [pid 5832] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... close resumed>) = 0 [pid 6651] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6651] close(4 [pid 5832] newfstatat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6651] <... close resumed>) = 0 [pid 5832] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6653 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6653 attached [pid 6651] close(3 [pid 5832] openat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6653] set_robust_list(0x555567654760, 24 [pid 5832] <... openat resumed>) = 4 [pid 6653] <... set_robust_list resumed>) = 0 [pid 6653] chdir("./159") = 0 [pid 6653] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6653] setpgid(0, 0 [pid 5832] newfstatat(4, "", [pid 6653] <... setpgid resumed>) = 0 [pid 6653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6653] <... openat resumed>) = 3 [pid 5832] getdents64(4, [pid 6653] write(3, "1000", 4) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6653] close(3 [pid 6652] <... write resumed>) = 524288 [pid 6651] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6653] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6653] symlink("/dev/binderfs", "./binderfs" [pid 6652] munmap(0x7fa6be400000, 138412032 [pid 5832] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6653] <... symlink resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6653] write(1, "executing program\n", 18executing program [pid 6651] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] rmdir("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] newfstatat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6653] <... write resumed>) = 18 [pid 6652] <... munmap resumed>) = 0 [pid 6653] memfd_create("syzkaller", 0 [pid 6651] <... mknod resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./159/binderfs", [pid 5831] openat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6652] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6652] <... openat resumed>) = 4 [pid 5832] unlink("./159/binderfs" [pid 5831] <... openat resumed>) = 4 [pid 6653] <... memfd_create resumed>) = 3 [pid 6653] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6653] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6652] ioctl(4, LOOP_SET_FD, 3 [pid 6651] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... unlink resumed>) = 0 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6651] <... link resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6651] sync( [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6653] <... write resumed>) = 524288 [pid 6653] munmap(0x7fa6be400000, 138412032 [pid 6652] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5831] close(4 [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6653] <... munmap resumed>) = 0 [pid 6652] close(3) = 0 [pid 6652] close(4) = 0 [pid 6653] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6652] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6653] <... openat resumed>) = 4 [pid 6653] ioctl(4, LOOP_SET_FD, 3 [pid 6652] <... mkdir resumed>) = 0 [pid 6651] <... sync resumed>) = 0 [pid 5832] rmdir("./159" [pid 5831] <... rmdir resumed>) = 0 [pid 6652] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... rmdir resumed>) = 0 [pid 6651] exit_group(0 [pid 5831] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6651] <... exit_group resumed>) = ? [pid 6651] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./158/binderfs", [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6651, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] mkdir("./160", 0777 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... mkdir resumed>) = 0 [pid 5831] unlink("./158/binderfs") = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6652] <... mount resumed>) = 0 [pid 6652] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6652] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6652] <... chdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6652] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] close(3 [pid 5829] <... openat resumed>) = 3 [pid 6653] <... ioctl resumed>) = 0 [pid 6652] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6653] close(3 [pid 6652] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] newfstatat(3, "", [pid 6653] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6653] close(4 [pid 5829] getdents64(3, [pid 6653] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6653] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6653] <... mkdir resumed>) = 0 [pid 5832] close(3 [pid 5831] rmdir("./158" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6653] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] newfstatat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 166.925183][ T6652] loop4: detected capacity change from 0 to 1024 [ 166.955176][ T6653] loop1: detected capacity change from 0 to 1024 [pid 5829] unlink("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6652] <... mknod resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5831] mkdir("./159", 0777 [pid 6652] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... mkdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... unlink resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... ioctl resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./164/binderfs", [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6653] <... mount resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6653] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] unlink("./164/binderfs" [pid 6653] <... openat resumed>) = 3 [pid 6652] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6654 attached [pid 6653] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6652] sync( [pid 5829] getdents64(3, ./strace-static-x86_64: Process 6655 attached 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6653] <... chdir resumed>) = 0 [pid 5829] close(3 [pid 6654] set_robust_list(0x555567654760, 24 [pid 6653] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6654 [pid 6653] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... close resumed>) = 0 [pid 6655] set_robust_list(0x555567654760, 24 [pid 6653] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] rmdir("./164" [pid 6654] <... set_robust_list resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6655 [pid 6655] <... set_robust_list resumed>) = 0 [pid 6655] chdir("./160" [pid 6654] chdir("./159" [pid 5829] <... rmdir resumed>) = 0 [pid 6654] <... chdir resumed>) = 0 [pid 5829] mkdir("./165", 0777 [pid 6655] <... chdir resumed>) = 0 [pid 6654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... mkdir resumed>) = 0 [pid 6655] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6654] <... prctl resumed>) = 0 [pid 6655] <... prctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6655] setpgid(0, 0 [pid 6654] setpgid(0, 0 [pid 6653] <... mknod resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6655] <... setpgid resumed>) = 0 [pid 6654] <... setpgid resumed>) = 0 [pid 6653] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6655] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6654] <... openat resumed>) = 3 [pid 6654] write(3, "1000", 4 [pid 6655] <... openat resumed>) = 3 [pid 5829] close(3 [pid 6655] write(3, "1000", 4 [pid 6653] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... close resumed>) = 0 [pid 6654] <... write resumed>) = 4 [pid 6655] <... write resumed>) = 4 [pid 6653] sync( [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6656 attached [pid 6655] close(3 [pid 6654] close(3) = 0 [pid 6656] set_robust_list(0x555567654760, 24 [pid 6655] <... close resumed>) = 0 [pid 6654] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6656 [pid 6656] <... set_robust_list resumed>) = 0 executing program [pid 6656] chdir("./165" [pid 6655] symlink("/dev/binderfs", "./binderfs" [pid 6654] <... symlink resumed>) = 0 [pid 6652] <... sync resumed>) = 0 [pid 6656] <... chdir resumed>) = 0 [pid 6654] write(1, "executing program\n", 18 [pid 6656] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6654] <... write resumed>) = 18 [pid 6656] <... prctl resumed>) = 0 [pid 6655] <... symlink resumed>) = 0 [pid 6652] exit_group(0executing program [pid 6655] write(1, "executing program\n", 18 [pid 6653] <... sync resumed>) = 0 [pid 6652] <... exit_group resumed>) = ? [pid 6656] setpgid(0, 0 [pid 6655] <... write resumed>) = 18 [pid 6653] exit_group(0 [pid 6652] +++ exited with 0 +++ [pid 6656] <... setpgid resumed>) = 0 [pid 6655] memfd_create("syzkaller", 0 [pid 6656] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6655] <... memfd_create resumed>) = 3 [pid 6654] memfd_create("syzkaller", 0 [pid 6653] <... exit_group resumed>) = ? [pid 6655] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6652, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6656] <... openat resumed>) = 3 [pid 6655] <... mmap resumed>) = 0x7fa6be400000 [pid 6654] <... memfd_create resumed>) = 3 [pid 6653] +++ exited with 0 +++ [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6656] write(3, "1000", 4 [pid 6654] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6653, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6656] <... write resumed>) = 4 [pid 6654] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6656] close(3) = 0 [pid 5830] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6656] symlink("/dev/binderfs", "./binderfs" [pid 5833] umount2("./157", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6656] <... symlink resumed>) = 0 [pid 6655] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6654] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] openat(AT_FDCWD, "./157", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5833] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6656] write(1, "executing program\n", 18 [pid 5830] getdents64(3, executing program [pid 6656] <... write resumed>) = 18 [pid 5833] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6656] memfd_create("syzkaller", 0 [pid 5833] getdents64(3, [pid 5830] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6656] <... memfd_create resumed>) = 3 [pid 6656] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6655] <... write resumed>) = 524288 [pid 6654] <... write resumed>) = 524288 [pid 6656] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6655] munmap(0x7fa6be400000, 138412032 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6655] <... munmap resumed>) = 0 [pid 6654] munmap(0x7fa6be400000, 138412032 [pid 5833] newfstatat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6654] <... munmap resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6655] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6654] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6655] <... openat resumed>) = 4 [pid 5833] umount2("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6655] ioctl(4, LOOP_SET_FD, 3 [pid 6654] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6656] <... write resumed>) = 524288 [pid 6655] <... ioctl resumed>) = 0 [pid 6654] ioctl(4, LOOP_SET_FD, 3 [pid 6656] munmap(0x7fa6be400000, 138412032 [pid 5833] openat(AT_FDCWD, "./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6656] <... munmap resumed>) = 0 [pid 6655] close(3 [pid 5833] <... openat resumed>) = 4 [pid 5830] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6656] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6655] <... close resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6656] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6656] ioctl(4, LOOP_SET_FD, 3 [pid 6655] close(4 [pid 5830] <... openat resumed>) = 4 [pid 6655] <... close resumed>) = 0 [pid 6655] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6655] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./157/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./157/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./157/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./157/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6654] <... ioctl resumed>) = 0 [pid 5833] rmdir("./157" [pid 5830] getdents64(4, [pid 6655] <... mount resumed>) = 0 [pid 6654] close(3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6655] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6654] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6655] <... openat resumed>) = 3 [pid 6654] close(4) = 0 [pid 6655] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6654] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6655] <... chdir resumed>) = 0 [pid 6654] <... mkdir resumed>) = 0 [pid 5833] mkdir("./158", 0777 [pid 5830] close(4 [pid 6655] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6655] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] rmdir("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6655] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... mkdir resumed>) = 0 [pid 6654] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... ioctl resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./159/binderfs", [pid 5833] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6656] <... ioctl resumed>) = 0 [pid 5830] unlink("./159/binderfs" [pid 6656] close(3 [pid 5830] <... unlink resumed>) = 0 [pid 6656] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6656] close(4 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [ 167.160814][ T6655] loop3: detected capacity change from 0 to 1024 [ 167.184577][ T6654] loop2: detected capacity change from 0 to 1024 [ 167.196154][ T6656] loop0: detected capacity change from 0 to 1024 [pid 5830] close(3 [pid 6656] <... close resumed>) = 0 [pid 6655] <... mknod resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6656] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] rmdir("./159" [pid 6656] <... mkdir resumed>) = 0 [pid 6655] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./160", 0777) = 0 [pid 6656] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6654] <... mount resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6654] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6654] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 6654] <... chdir resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6654] openat(AT_FDCWD, "/dev/loop2", O_RDWR./strace-static-x86_64: Process 6657 attached [pid 6655] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6654] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6654] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6658 attached [pid 6657] set_robust_list(0x555567654760, 24 [pid 6655] sync( [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6657 [pid 6658] set_robust_list(0x555567654760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6658 [pid 6658] <... set_robust_list resumed>) = 0 [pid 6657] <... set_robust_list resumed>) = 0 [pid 6658] chdir("./160" [pid 6657] chdir("./158" [pid 6656] <... mount resumed>) = 0 [pid 6657] <... chdir resumed>) = 0 [pid 6658] <... chdir resumed>) = 0 [pid 6657] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6656] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6654] <... mknod resumed>) = 0 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6657] <... prctl resumed>) = 0 [pid 6654] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6658] <... prctl resumed>) = 0 [pid 6657] setpgid(0, 0 [pid 6658] setpgid(0, 0 [pid 6657] <... setpgid resumed>) = 0 [pid 6656] <... openat resumed>) = 3 [pid 6658] <... setpgid resumed>) = 0 [pid 6657] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6656] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6657] <... openat resumed>) = 3 [pid 6656] <... chdir resumed>) = 0 [pid 6656] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6658] <... openat resumed>) = 3 [pid 6657] write(3, "1000", 4 [pid 6656] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6654] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6657] <... write resumed>) = 4 [pid 6657] close(3 [pid 6654] sync( [pid 6657] <... close resumed>) = 0 [pid 6657] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6658] write(3, "1000", 4 [pid 6657] write(1, "executing program\n", 18 [pid 6655] <... sync resumed>) = 0 executing program [pid 6658] <... write resumed>) = 4 [pid 6657] <... write resumed>) = 18 [pid 6658] close(3 [pid 6657] memfd_create("syzkaller", 0 [pid 6658] <... close resumed>) = 0 [pid 6658] symlink("/dev/binderfs", "./binderfs" [pid 6657] <... memfd_create resumed>) = 3 [pid 6655] exit_group(0 [pid 6658] <... symlink resumed>) = 0 [pid 6657] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6656] <... mknod resumed>) = 0 [pid 6655] <... exit_group resumed>) = ? [pid 6657] <... mmap resumed>) = 0x7fa6be400000 executing program [pid 6658] write(1, "executing program\n", 18 [pid 6656] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6654] <... sync resumed>) = 0 [pid 6654] exit_group(0) = ? [pid 6654] +++ exited with 0 +++ [pid 6658] <... write resumed>) = 18 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6654, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6658] memfd_create("syzkaller", 0 [pid 5831] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6655] +++ exited with 0 +++ [pid 5831] <... openat resumed>) = 3 [pid 6658] <... memfd_create resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6655, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6658] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6656] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] getdents64(3, [pid 6658] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6658] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6657] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6656] sync( [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6658] <... write resumed>) = 524288 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6656] <... sync resumed>) = 0 [pid 5832] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6656] exit_group(0) = ? [pid 6656] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6656, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] munmap(0x7fa6be400000, 138412032 [pid 6657] <... write resumed>) = 524288 [pid 6658] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6658] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... restart_syscall resumed>) = 0 [pid 6658] <... openat resumed>) = 4 [pid 6658] ioctl(4, LOOP_SET_FD, 3 [pid 6657] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6657] <... munmap resumed>) = 0 [pid 5831] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6657] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 5831] openat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6657] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... openat resumed>) = 4 [pid 5831] newfstatat(4, "", [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5829] <... umount2 resumed>) = 0 [pid 5832] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5832] newfstatat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6658] close(3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6658] <... close resumed>) = 0 [pid 5831] close(4 [pid 5829] newfstatat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6658] close(4 [pid 6657] <... ioctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] rmdir("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] <... close resumed>) = 0 [pid 6658] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6658] <... mkdir resumed>) = 0 [pid 6658] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6657] close(3 [pid 5832] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 4 [pid 6657] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6657] close(4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6657] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./159/binderfs", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6657] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] openat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(4, [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6657] <... mkdir resumed>) = 0 [pid 5832] getdents64(4, [pid 6657] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5829] getdents64(4, [pid 6658] <... mount resumed>) = 0 [pid 6657] <... mount resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] unlink("./159/binderfs" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6658] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6657] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] close(4 [pid 5832] close(4 [pid 5831] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6657] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 5829] rmdir("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [ 167.403773][ T6658] loop1: detected capacity change from 0 to 1024 [ 167.415608][ T6657] loop4: detected capacity change from 0 to 1024 [pid 6657] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6658] <... openat resumed>) = 3 [pid 6657] <... chdir resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6658] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6657] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] rmdir("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6658] <... chdir resumed>) = 0 [pid 6657] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... rmdir resumed>) = 0 [pid 5831] close(3 [pid 6658] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6657] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6658] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(AT_FDCWD, "./160/binderfs", [pid 6658] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] rmdir("./159" [pid 5829] newfstatat(AT_FDCWD, "./165/binderfs", [pid 5832] unlink("./160/binderfs") = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(3, [pid 5831] <... rmdir resumed>) = 0 [pid 5829] unlink("./165/binderfs" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5832] rmdir("./160" [pid 6657] <... mknod resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] mkdir("./160", 0777 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 6658] <... mknod resumed>) = 0 [pid 6657] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] mkdir("./161", 0777 [pid 5831] <... mkdir resumed>) = 0 [pid 6658] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] rmdir("./165") = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] mkdir("./166", 0777 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] <... close resumed>) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6658] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6657] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6658] sync( [pid 6657] sync( [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6659 ./strace-static-x86_64: Process 6659 attached [pid 5829] close(3 [pid 5831] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6659] set_robust_list(0x555567654760, 24) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6659] chdir("./161"./strace-static-x86_64: Process 6660 attached ./strace-static-x86_64: Process 6661 attached ) = 0 [pid 6658] <... sync resumed>) = 0 [pid 6657] <... sync resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6660 [pid 6658] exit_group(0 [pid 6659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6657] exit_group(0 [pid 6661] set_robust_list(0x555567654760, 24) = 0 [pid 6660] set_robust_list(0x555567654760, 24 [pid 6659] <... prctl resumed>) = 0 [pid 6661] chdir("./166" [pid 6660] <... set_robust_list resumed>) = 0 [pid 6661] <... chdir resumed>) = 0 [pid 6659] setpgid(0, 0 [pid 6658] <... exit_group resumed>) = ? [pid 6657] <... exit_group resumed>) = ? [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6661 [pid 6659] <... setpgid resumed>) = 0 [pid 6658] +++ exited with 0 +++ [pid 6657] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6658, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6657, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6661] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6660] chdir("./160" [pid 6659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] <... prctl resumed>) = 0 [pid 6660] <... chdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6661] setpgid(0, 0 [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6661] <... setpgid resumed>) = 0 [pid 6660] <... prctl resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6661] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6660] setpgid(0, 0 [pid 5830] newfstatat(3, "", [pid 6661] <... openat resumed>) = 3 [pid 6660] <... setpgid resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./158", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] write(3, "1000", 4 [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5833] openat(AT_FDCWD, "./158", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6661] <... write resumed>) = 4 [pid 6660] <... openat resumed>) = 3 [pid 6659] <... openat resumed>) = 3 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] newfstatat(3, "", [pid 6661] close(3 [pid 6660] write(3, "1000", 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] <... close resumed>) = 0 [pid 6660] <... write resumed>) = 4 [pid 5833] getdents64(3, [pid 6661] symlink("/dev/binderfs", "./binderfs" [pid 6660] close(3 [pid 6661] <... symlink resumed>) = 0 [pid 6660] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6660] symlink("/dev/binderfs", "./binderfs" [pid 6659] write(3, "1000", 4 [pid 5833] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6660] <... symlink resumed>) = 0 executing program executing program [pid 6659] <... write resumed>) = 4 [pid 6661] write(1, "executing program\n", 18 [pid 6660] write(1, "executing program\n", 18 [pid 6661] <... write resumed>) = 18 [pid 6660] <... write resumed>) = 18 [pid 6661] memfd_create("syzkaller", 0 [pid 6660] memfd_create("syzkaller", 0 [pid 6661] <... memfd_create resumed>) = 3 [pid 6660] <... memfd_create resumed>) = 3 [pid 6661] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6660] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6661] <... mmap resumed>) = 0x7fa6be400000 [pid 6660] <... mmap resumed>) = 0x7fa6be400000 [pid 6660] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6659] close(3 [pid 6661] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6659] <... close resumed>) = 0 [pid 6660] <... write resumed>) = 524288 [pid 6659] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6659] write(1, "executing program\n", 18executing program ) = 18 [pid 6659] memfd_create("syzkaller", 0) = 3 [pid 6659] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6661] <... write resumed>) = 524288 [pid 6660] munmap(0x7fa6be400000, 138412032 [pid 6659] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... umount2 resumed>) = 0 [pid 5830] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6660] <... munmap resumed>) = 0 [pid 6661] munmap(0x7fa6be400000, 138412032) = 0 [pid 6659] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6661] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 5833] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] newfstatat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6661] ioctl(4, LOOP_SET_FD, 3 [pid 6660] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] openat(AT_FDCWD, "./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(4, "", [pid 6660] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... openat resumed>) = 4 [pid 6660] ioctl(4, LOOP_SET_FD, 3 [pid 5833] getdents64(4, [pid 5830] newfstatat(4, "", [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 6659] <... write resumed>) = 524288 [pid 5833] close(4 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6659] munmap(0x7fa6be400000, 138412032 [pid 5830] close(4 [pid 5833] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6659] <... munmap resumed>) = 0 [pid 5833] rmdir("./158/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] rmdir("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6661] <... ioctl resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6661] close(3) = 0 [pid 6661] close(4) = 0 [pid 5833] umount2("./158/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6661] <... mkdir resumed>) = 0 [pid 6659] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./158/binderfs", [pid 5830] newfstatat(AT_FDCWD, "./160/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./160/binderfs" [pid 5833] unlink("./158/binderfs" [pid 6659] <... openat resumed>) = 4 [pid 6661] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6659] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... unlink resumed>) = 0 [ 167.675076][ T6661] loop0: detected capacity change from 0 to 1024 [ 167.691811][ T6660] loop2: detected capacity change from 0 to 1024 [pid 5830] <... unlink resumed>) = 0 [pid 6660] <... ioctl resumed>) = 0 [pid 5833] getdents64(3, [pid 5830] getdents64(3, [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] close(3) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] rmdir("./160") = 0 [pid 6661] <... mount resumed>) = 0 [pid 6660] close(3 [pid 5830] mkdir("./161", 0777 [pid 6661] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] rmdir("./158") = 0 [pid 6661] <... openat resumed>) = 3 [pid 5833] mkdir("./159", 0777) = 0 [pid 6661] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... mkdir resumed>) = 0 [pid 6660] <... close resumed>) = 0 [pid 6661] <... chdir resumed>) = 0 [pid 6661] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6660] close(4 [pid 5833] <... openat resumed>) = 3 [pid 6661] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6660] <... close resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6661] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6660] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5830] <... openat resumed>) = 3 [pid 6660] <... mkdir resumed>) = 0 [pid 6660] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6659] <... ioctl resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6660] <... mount resumed>) = 0 [pid 6659] close(3 [pid 5830] <... ioctl resumed>) = 0 [pid 6659] <... close resumed>) = 0 [pid 6659] close(4 [pid 5830] close(3 [pid 6659] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6659] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6661] <... mknod resumed>) = 0 [pid 6661] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6660] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6659] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6662 attached [pid 6662] set_robust_list(0x555567654760, 24 [pid 6660] <... openat resumed>) = 3 [pid 6659] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6662 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6660] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6662] chdir("./161" [pid 6660] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6660] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6662] <... chdir resumed>) = 0 [pid 6662] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6660] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6662] <... prctl resumed>) = 0 [pid 6660] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6662] setpgid(0, 0) = 0 [pid 6659] <... mount resumed>) = 0 [ 167.718519][ T6659] loop3: detected capacity change from 0 to 1024 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6663 attached [pid 6662] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6660] <... mknod resumed>) = 0 [pid 6659] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6662] <... openat resumed>) = 3 [pid 6660] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6659] <... openat resumed>) = 3 [pid 6661] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6659] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6663] set_robust_list(0x555567654760, 24) = 0 [pid 6663] chdir("./159" [pid 6661] sync( [pid 6663] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6663 [pid 6663] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6663] setpgid(0, 0) = 0 [pid 6663] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6662] write(3, "1000", 4 [pid 6663] <... openat resumed>) = 3 executing program [pid 6663] write(3, "1000", 4 [pid 6662] <... write resumed>) = 4 [pid 6663] <... write resumed>) = 4 [pid 6662] close(3 [pid 6659] <... chdir resumed>) = 0 [pid 6663] close(3) = 0 [pid 6663] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6662] <... close resumed>) = 0 [pid 6659] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6662] symlink("/dev/binderfs", "./binderfs" [pid 6663] write(1, "executing program\n", 18) = 18 [pid 6663] memfd_create("syzkaller", 0) = 3 [pid 6662] <... symlink resumed>) = 0 [pid 6663] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6659] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6662] write(1, "executing program\n", 18 [pid 6663] <... mmap resumed>) = 0x7fa6be400000 executing program [pid 6662] <... write resumed>) = 18 [pid 6659] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6662] memfd_create("syzkaller", 0) = 3 [pid 6662] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6662] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6659] <... mknod resumed>) = 0 [pid 6663] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6660] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6659] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6660] sync( [pid 6659] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6663] <... write resumed>) = 524288 [pid 6659] sync( [pid 6662] <... write resumed>) = 524288 [pid 6662] munmap(0x7fa6be400000, 138412032) = 0 [pid 6662] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6663] munmap(0x7fa6be400000, 138412032 [pid 6662] <... openat resumed>) = 4 [pid 6663] <... munmap resumed>) = 0 [pid 6662] ioctl(4, LOOP_SET_FD, 3 [pid 6663] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6661] <... sync resumed>) = 0 [pid 6660] <... sync resumed>) = 0 [pid 6659] <... sync resumed>) = 0 [pid 6659] exit_group(0) = ? [pid 6663] <... openat resumed>) = 4 [pid 6659] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6659, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6660] exit_group(0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6663] ioctl(4, LOOP_SET_FD, 3 [pid 6661] exit_group(0 [pid 6660] <... exit_group resumed>) = ? [pid 5832] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6661] <... exit_group resumed>) = ? [pid 6662] <... ioctl resumed>) = 0 [pid 6663] <... ioctl resumed>) = 0 [pid 6661] +++ exited with 0 +++ [pid 6660] +++ exited with 0 +++ [pid 6663] close(3 [pid 6662] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6661, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6660, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6663] <... close resumed>) = 0 [pid 6662] <... close resumed>) = 0 [pid 6663] close(4 [pid 6662] close(4 [pid 6663] <... close resumed>) = 0 [pid 6662] <... close resumed>) = 0 [pid 6662] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6663] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6662] <... mkdir resumed>) = 0 [pid 5831] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6663] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6663] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6662] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 5829] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5829] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5832] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [ 167.885020][ T6662] loop1: detected capacity change from 0 to 1024 [ 167.904175][ T6663] loop4: detected capacity change from 0 to 1024 [pid 5832] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] openat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 5831] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6663] <... mount resumed>) = 0 [pid 6662] <... mount resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5831] newfstatat(4, "", [pid 5829] newfstatat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6663] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6662] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] getdents64(4, [pid 5829] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6663] <... openat resumed>) = 3 [pid 6662] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6663] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6662] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] close(4 [pid 5831] getdents64(4, [pid 5829] openat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6662] <... chdir resumed>) = 0 [pid 6662] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5832] <... close resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... openat resumed>) = 4 [pid 5832] rmdir("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(4, [pid 5829] newfstatat(4, "", [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6663] <... chdir resumed>) = 0 [pid 6662] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6663] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... rmdir resumed>) = 0 [pid 5831] close(4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6663] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6663] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6662] <... mknod resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5831] rmdir("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6662] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6663] <... mknod resumed>) = 0 [pid 6663] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] newfstatat(AT_FDCWD, "./160/binderfs", [pid 5829] close(4 [pid 5832] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... close resumed>) = 0 [pid 5832] unlink("./161/binderfs" [pid 5829] rmdir("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] unlink("./160/binderfs" [pid 6662] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6662] sync( [pid 5832] getdents64(3, [pid 5831] <... unlink resumed>) = 0 [pid 5829] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6663] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./166/binderfs", [pid 5832] close(3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6663] sync( [pid 5832] <... close resumed>) = 0 [pid 5831] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] rmdir("./161" [pid 5831] <... close resumed>) = 0 [pid 5829] unlink("./166/binderfs" [pid 5832] <... rmdir resumed>) = 0 [pid 5831] rmdir("./160" [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, [pid 5832] mkdir("./162", 0777 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 5831] mkdir("./161", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./166" [pid 5831] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] mkdir("./167", 0777 [pid 6663] <... sync resumed>) = 0 [pid 6663] exit_group(0 [pid 5831] <... ioctl resumed>) = 0 [pid 6663] <... exit_group resumed>) = ? [pid 5829] <... mkdir resumed>) = 0 [pid 5831] close(3 [pid 6663] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6663, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6662] <... sync resumed>) = 0 [pid 6662] exit_group(0) = ? [pid 5833] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./159", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./159", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6662] +++ exited with 0 +++ [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6662, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] umount2("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 5832] close(3 [pid 5830] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./159/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./159/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./159/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] unlink("./159/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 5830] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6664 attached ./strace-static-x86_64: Process 6665 attached [pid 5833] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6664 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 6665] set_robust_list(0x555567654760, 24) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6665 [pid 5830] newfstatat(3, "", [pid 6665] chdir("./161" [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6665] <... chdir resumed>) = 0 [pid 5833] rmdir("./159" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6664] set_robust_list(0x555567654760, 24 [pid 5830] getdents64(3, ./strace-static-x86_64: Process 6666 attached [pid 6665] <... prctl resumed>) = 0 [pid 6666] set_robust_list(0x555567654760, 24 [pid 6665] setpgid(0, 0 [pid 6664] <... set_robust_list resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6666] <... set_robust_list resumed>) = 0 [pid 5830] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6666 [pid 6666] chdir("./167" [pid 6665] <... setpgid resumed>) = 0 [pid 6664] chdir("./162" [pid 6666] <... chdir resumed>) = 0 [pid 6666] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6664] <... chdir resumed>) = 0 [pid 5833] mkdir("./160", 0777 [pid 6666] setpgid(0, 0 [pid 6665] <... openat resumed>) = 3 [pid 6664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... mkdir resumed>) = 0 [pid 6666] <... setpgid resumed>) = 0 [pid 6665] write(3, "1000", 4 [pid 6664] <... prctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6665] <... write resumed>) = 4 [pid 6664] setpgid(0, 0 [pid 5833] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = 0 [pid 6666] <... openat resumed>) = 3 [pid 6665] close(3 [pid 6664] <... setpgid resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... ioctl resumed>) = 0 [pid 6665] <... close resumed>) = 0 [pid 6665] symlink("/dev/binderfs", "./binderfs" [pid 5833] close(3 [pid 6665] <... symlink resumed>) = 0 [pid 6666] write(3, "1000", 4 [pid 5833] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] <... write resumed>) = 4 [pid 5830] newfstatat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6666] close(3) = 0 [pid 6664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6666] symlink("/dev/binderfs", "./binderfs" [pid 5830] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program executing program [pid 6666] <... symlink resumed>) = 0 [pid 6664] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] write(1, "executing program\n", 18 [pid 5830] openat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6666] <... write resumed>) = 18 [pid 6665] write(1, "executing program\n", 18) = 18 [pid 5830] <... openat resumed>) = 4 [pid 6666] memfd_create("syzkaller", 0 [pid 6665] memfd_create("syzkaller", 0 [pid 5830] newfstatat(4, "", [pid 6666] <... memfd_create resumed>) = 3 [pid 6664] write(3, "1000", 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6666] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6665] <... memfd_create resumed>) = 3 [pid 6664] <... write resumed>) = 4 [pid 5830] getdents64(4, [pid 6665] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6664] close(3 [pid 6665] <... mmap resumed>) = 0x7fa6be400000 [pid 6664] <... close resumed>) = 0 [pid 6666] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6666] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6665] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6664] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6664] <... symlink resumed>) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6664] write(1, "executing program\n", 18) = 18 [pid 6664] memfd_create("syzkaller", 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6664] <... memfd_create resumed>) = 3 [pid 6664] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./161/binderfs", ./strace-static-x86_64: Process 6667 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6667 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./161/binderfs" [pid 6667] set_robust_list(0x555567654760, 24 [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 6667] <... set_robust_list resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 6667] chdir("./160" [pid 5830] <... close resumed>) = 0 [pid 6667] <... chdir resumed>) = 0 [pid 6666] <... write resumed>) = 524288 [pid 5830] rmdir("./161" [pid 6667] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6667] setpgid(0, 0) = 0 [pid 6664] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6667] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6666] munmap(0x7fa6be400000, 138412032 [pid 5830] <... rmdir resumed>) = 0 [pid 6667] <... openat resumed>) = 3 [pid 6665] <... write resumed>) = 524288 [pid 6667] write(3, "1000", 4) = 4 [pid 6667] close(3) = 0 [pid 6667] symlink("/dev/binderfs", "./binderfs" [pid 5830] mkdir("./162", 0777 [pid 6667] <... symlink resumed>) = 0 [pid 6666] <... munmap resumed>) = 0 executing program [pid 6667] write(1, "executing program\n", 18) = 18 [pid 6666] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 6667] memfd_create("syzkaller", 0 [pid 6666] <... openat resumed>) = 4 [pid 6664] <... write resumed>) = 524288 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6666] ioctl(4, LOOP_SET_FD, 3 [pid 6667] <... memfd_create resumed>) = 3 [pid 6665] munmap(0x7fa6be400000, 138412032 [pid 5830] <... openat resumed>) = 3 [pid 6667] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6665] <... munmap resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6667] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... ioctl resumed>) = 0 [pid 6665] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6664] munmap(0x7fa6be400000, 138412032 [pid 6665] <... openat resumed>) = 4 [pid 6665] ioctl(4, LOOP_SET_FD, 3 [pid 6664] <... munmap resumed>) = 0 [pid 5830] close(3 [pid 6667] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6664] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6664] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... close resumed>) = 0 [pid 6666] <... ioctl resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6665] <... ioctl resumed>) = 0 [pid 6665] close(3) = 0 [pid 6665] close(4) = 0 [pid 6665] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777./strace-static-x86_64: Process 6668 attached [pid 6667] <... write resumed>) = 524288 [pid 6666] close(3 [pid 6665] <... mkdir resumed>) = 0 [pid 6667] munmap(0x7fa6be400000, 138412032 [pid 6666] <... close resumed>) = 0 [pid 6665] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6668 [pid 6666] close(4 [pid 6667] <... munmap resumed>) = 0 [pid 6666] <... close resumed>) = 0 [pid 6666] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6668] set_robust_list(0x555567654760, 24 [pid 6667] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6666] <... mkdir resumed>) = 0 [pid 6668] <... set_robust_list resumed>) = 0 [pid 6667] <... openat resumed>) = 4 [pid 6666] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6668] chdir("./162" [pid 6667] ioctl(4, LOOP_SET_FD, 3 [pid 6668] <... chdir resumed>) = 0 [pid 6665] <... mount resumed>) = 0 [ 168.185210][ T6666] loop0: detected capacity change from 0 to 1024 [ 168.191165][ T6665] loop2: detected capacity change from 0 to 1024 [ 168.208770][ T6664] loop3: detected capacity change from 0 to 1024 [pid 6668] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6667] <... ioctl resumed>) = 0 [pid 6665] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6664] <... ioctl resumed>) = 0 [pid 6668] setpgid(0, 0 [pid 6667] close(3 [pid 6665] <... openat resumed>) = 3 [pid 6664] close(3 [pid 6668] <... setpgid resumed>) = 0 [pid 6667] <... close resumed>) = 0 [pid 6666] <... mount resumed>) = 0 [pid 6665] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6664] <... close resumed>) = 0 [pid 6668] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6667] close(4 [pid 6666] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6665] <... chdir resumed>) = 0 [pid 6664] close(4 [pid 6668] <... openat resumed>) = 3 [pid 6667] <... close resumed>) = 0 [pid 6666] <... openat resumed>) = 3 [pid 6665] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6664] <... close resumed>) = 0 [pid 6668] write(3, "1000", 4 [pid 6667] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6666] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6665] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6664] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6668] <... write resumed>) = 4 [pid 6666] <... chdir resumed>) = 0 [pid 6665] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6664] <... mkdir resumed>) = 0 [pid 6668] close(3 [pid 6667] <... mkdir resumed>) = 0 [pid 6666] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6668] <... close resumed>) = 0 [pid 6667] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6665] <... mknod resumed>) = 0 [pid 6664] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6668] symlink("/dev/binderfs", "./binderfs" [pid 6666] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6665] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6668] <... symlink resumed>) = 0 [pid 6666] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6668] write(1, "executing program\n", 18) = 18 [pid 6668] memfd_create("syzkaller", 0 [pid 6666] <... mknod resumed>) = 0 [pid 6668] <... memfd_create resumed>) = 3 [pid 6666] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6668] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6667] <... mount resumed>) = 0 [pid 6667] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6664] <... mount resumed>) = 0 [pid 6665] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6667] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6665] sync( [pid 6664] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6667] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6664] <... openat resumed>) = 3 [ 168.229435][ T6667] loop4: detected capacity change from 0 to 1024 [pid 6667] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6664] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6667] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6664] <... chdir resumed>) = 0 [pid 6664] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6664] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6667] <... mknod resumed>) = 0 [pid 6667] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6666] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6666] sync( [pid 6664] <... mknod resumed>) = 0 [pid 6664] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6668] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6667] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6667] sync( [pid 6664] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6664] sync( [pid 6668] <... write resumed>) = 524288 [pid 6668] munmap(0x7fa6be400000, 138412032) = 0 [pid 6668] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6668] ioctl(4, LOOP_SET_FD, 3 [pid 6667] <... sync resumed>) = 0 [pid 6665] <... sync resumed>) = 0 [pid 6665] exit_group(0 [pid 6667] exit_group(0 [pid 6665] <... exit_group resumed>) = ? [pid 6665] +++ exited with 0 +++ [pid 6667] <... exit_group resumed>) = ? [pid 6666] <... sync resumed>) = 0 [pid 6666] exit_group(0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6665, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6667] +++ exited with 0 +++ [pid 6664] <... sync resumed>) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6664] exit_group(0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6667, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] <... restart_syscall resumed>) = 0 [pid 6666] <... exit_group resumed>) = ? [pid 6664] <... exit_group resumed>) = ? [pid 6668] <... ioctl resumed>) = 0 [pid 6666] +++ exited with 0 +++ [pid 6664] +++ exited with 0 +++ [pid 5833] umount2("./160", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6664, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6668] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6666, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./160", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] close(4) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5831] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6668] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5829] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... mkdir resumed>) = 0 [pid 5833] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [ 168.337645][ T6668] loop1: detected capacity change from 0 to 1024 [pid 5829] newfstatat(3, "", [pid 6668] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] newfstatat(3, "", [pid 5831] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5829] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, [pid 6668] <... mount resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6668] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] close(4) = 0 [pid 5833] rmdir("./160/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6668] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = 0 [pid 6668] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6668] <... chdir resumed>) = 0 [pid 6668] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] umount2("./160/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./160/binderfs", [pid 6668] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./160/binderfs" [pid 5831] newfstatat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... unlink resumed>) = 0 [pid 5833] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6668] <... mknod resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = 0 [pid 6668] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 4 [pid 5829] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] getdents64(4, [pid 5833] rmdir("./160" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] close(4 [pid 5829] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 5833] mkdir("./161", 0777 [pid 5832] <... openat resumed>) = 4 [pid 5831] rmdir("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5829] getdents64(4, [pid 6668] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(4, [pid 6668] sync( [pid 5832] getdents64(4, [pid 5831] newfstatat(AT_FDCWD, "./161/binderfs", [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5829] rmdir("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6669 attached [pid 5832] getdents64(4, [pid 5831] unlink("./161/binderfs" [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5829] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6669] set_robust_list(0x555567654760, 24 [pid 5832] close(4 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6669 [pid 5831] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./167/binderfs", [pid 6669] <... set_robust_list resumed>) = 0 [pid 5832] rmdir("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./167/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6669] chdir("./161" [pid 5832] <... rmdir resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./167" [pid 5831] close(3 [pid 5829] <... rmdir resumed>) = 0 [pid 6669] <... chdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] mkdir("./168", 0777 [pid 6669] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./161" [pid 5829] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6669] <... prctl resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./162/binderfs", [pid 6669] setpgid(0, 0 [pid 6668] <... sync resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6669] <... setpgid resumed>) = 0 [pid 6669] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] unlink("./162/binderfs" [pid 5831] mkdir("./162", 0777 [pid 5829] <... openat resumed>) = 3 [pid 6669] <... openat resumed>) = 3 [pid 6668] exit_group(0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6669] write(3, "1000", 4 [pid 6668] <... exit_group resumed>) = ? [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 5832] getdents64(3, [pid 6669] <... write resumed>) = 4 [pid 6668] +++ exited with 0 +++ [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6668, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6670 attached [pid 6669] close(3 [pid 5832] close(3 [pid 5831] close(3 [pid 5830] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6669] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./162") = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6669] symlink("/dev/binderfs", "./binderfs" [pid 5832] mkdir("./163", 0777 [pid 6670] set_robust_list(0x555567654760, 24 [pid 6669] <... symlink resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6670 executing program [pid 6670] <... set_robust_list resumed>) = 0 [pid 6669] write(1, "executing program\n", 18 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 6669] <... write resumed>) = 18 [pid 6670] chdir("./168" [pid 6669] memfd_create("syzkaller", 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] newfstatat(3, "", [pid 6669] <... memfd_create resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6670] <... chdir resumed>) = 0 [pid 6670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6671 [pid 6669] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] close(3 [pid 6670] <... prctl resumed>) = 0 [pid 6670] setpgid(0, 0) = 0 [pid 6670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6670] write(3, "1000", 4) = 4 [pid 6670] close(3) = 0 [pid 6670] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6671 attached ) = 0 executing program [pid 6670] write(1, "executing program\n", 18) = 18 [pid 6670] memfd_create("syzkaller", 0 [pid 6671] set_robust_list(0x555567654760, 24 [pid 5832] <... close resumed>) = 0 [pid 6669] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6671] <... set_robust_list resumed>) = 0 [pid 6670] <... memfd_create resumed>) = 3 [pid 6671] chdir("./162" [pid 6670] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 ./strace-static-x86_64: Process 6672 attached [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6672 [pid 6672] set_robust_list(0x555567654760, 24 [pid 6671] <... chdir resumed>) = 0 [pid 6672] <... set_robust_list resumed>) = 0 [pid 6671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6670] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6669] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6672] chdir("./163" [pid 6671] <... prctl resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6671] setpgid(0, 0) = 0 [pid 5830] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6672] <... chdir resumed>) = 0 [pid 6671] <... openat resumed>) = 3 [pid 6672] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6671] write(3, "1000", 4) = 4 [pid 6671] close(3) = 0 [pid 6671] symlink("/dev/binderfs", "./binderfs" [pid 5830] newfstatat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6671] <... symlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6671] write(1, "executing program\n", 18 [pid 5830] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6671] <... write resumed>) = 18 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6671] memfd_create("syzkaller", 0 [pid 5830] openat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6671] <... memfd_create resumed>) = 3 [pid 5830] <... openat resumed>) = 4 [pid 6671] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] newfstatat(4, "", [pid 6671] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6672] <... prctl resumed>) = 0 [pid 5830] getdents64(4, [pid 6670] <... write resumed>) = 524288 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 6670] munmap(0x7fa6be400000, 138412032 [pid 5830] rmdir("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6672] setpgid(0, 0 [pid 6670] <... munmap resumed>) = 0 [pid 6669] <... write resumed>) = 524288 [pid 5830] <... rmdir resumed>) = 0 [pid 6672] <... setpgid resumed>) = 0 [pid 6669] munmap(0x7fa6be400000, 138412032 [pid 6672] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6671] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6669] <... munmap resumed>) = 0 [pid 5830] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6670] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6672] <... openat resumed>) = 3 [pid 6669] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6670] <... openat resumed>) = 4 [pid 6669] <... openat resumed>) = 4 [pid 6670] ioctl(4, LOOP_SET_FD, 3 [pid 6669] ioctl(4, LOOP_SET_FD, 3 [pid 6670] <... ioctl resumed>) = 0 [pid 6670] close(3) = 0 [pid 6670] close(4) = 0 [pid 6670] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6670] <... mkdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./162/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6670] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] unlink("./162/binderfs") = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./162") = 0 [pid 6672] write(3, "1000", 4 [pid 6671] <... write resumed>) = 524288 [pid 5830] mkdir("./163", 0777 [pid 6672] <... write resumed>) = 4 [pid 6672] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 6670] <... mount resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6670] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6670] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6670] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... ioctl resumed>) = 0 [pid 6672] <... close resumed>) = 0 [pid 6670] <... chdir resumed>) = 0 [pid 5830] close(3) = 0 [pid 6670] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6673 attached [pid 6670] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6670] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6672] symlink("/dev/binderfs", "./binderfs" [pid 6671] munmap(0x7fa6be400000, 138412032 [pid 6673] set_robust_list(0x555567654760, 24 [pid 6672] <... symlink resumed>) = 0 [pid 6671] <... munmap resumed>) = 0 [pid 6673] <... set_robust_list resumed>) = 0 executing program [pid 6672] write(1, "executing program\n", 18 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6673 [pid 6673] chdir("./163" [pid 6672] <... write resumed>) = 18 [pid 6671] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6673] <... chdir resumed>) = 0 [pid 6671] <... openat resumed>) = 4 [pid 6670] <... mknod resumed>) = 0 [ 168.660902][ T6669] loop4: detected capacity change from 0 to 1024 [ 168.660911][ T6670] loop0: detected capacity change from 0 to 1024 [pid 6673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6671] ioctl(4, LOOP_SET_FD, 3 [pid 6673] <... prctl resumed>) = 0 [pid 6672] memfd_create("syzkaller", 0 [pid 6669] <... ioctl resumed>) = 0 [pid 6672] <... memfd_create resumed>) = 3 [pid 6669] close(3 [pid 6670] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6669] <... close resumed>) = 0 [pid 6672] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6669] close(4 [pid 6673] setpgid(0, 0 [pid 6672] <... mmap resumed>) = 0x7fa6be400000 [pid 6673] <... setpgid resumed>) = 0 [pid 6673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6673] write(3, "1000", 4 [pid 6670] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6669] <... close resumed>) = 0 [pid 6669] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6673] <... write resumed>) = 4 [pid 6670] sync( [pid 6673] close(3) = 0 [pid 6673] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6669] <... mkdir resumed>) = 0 executing program [pid 6673] write(1, "executing program\n", 18) = 18 [pid 6673] memfd_create("syzkaller", 0) = 3 [pid 6673] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6672] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6669] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6671] <... ioctl resumed>) = 0 [pid 6671] close(3) = 0 [pid 6671] close(4) = 0 [pid 6671] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6673] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6671] <... mkdir resumed>) = 0 [ 168.702589][ T6671] loop2: detected capacity change from 0 to 1024 [pid 6671] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6672] <... write resumed>) = 524288 [pid 6669] <... mount resumed>) = 0 [pid 6669] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6672] munmap(0x7fa6be400000, 138412032 [pid 6669] <... openat resumed>) = 3 [pid 6669] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6672] <... munmap resumed>) = 0 [pid 6669] <... chdir resumed>) = 0 [pid 6669] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6672] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6669] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6673] <... write resumed>) = 524288 [pid 6672] <... openat resumed>) = 4 [pid 6673] munmap(0x7fa6be400000, 138412032) = 0 [pid 6672] ioctl(4, LOOP_SET_FD, 3 [pid 6669] <... mknod resumed>) = 0 [pid 6669] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6673] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6673] ioctl(4, LOOP_SET_FD, 3 [pid 6671] <... mount resumed>) = 0 [pid 6671] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6670] <... sync resumed>) = 0 [pid 6671] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6670] exit_group(0 [pid 6671] <... chdir resumed>) = 0 [pid 6670] <... exit_group resumed>) = ? [pid 6670] +++ exited with 0 +++ [pid 6669] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6669] sync( [pid 6672] <... ioctl resumed>) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6670, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6672] close(3) = 0 [pid 6671] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... restart_syscall resumed>) = 0 [pid 6671] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6672] close(4 [pid 6671] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6672] <... close resumed>) = 0 [pid 5829] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6672] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6671] <... mknod resumed>) = 0 [ 168.802163][ T6672] loop3: detected capacity change from 0 to 1024 [ 168.809308][ T6673] loop1: detected capacity change from 0 to 1024 [pid 6672] <... mkdir resumed>) = 0 [pid 6671] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6673] <... ioctl resumed>) = 0 [pid 6672] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... umount2 resumed>) = 0 [pid 5829] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6673] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6673] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6673] close(4) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6673] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6673] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6673] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6671] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6671] sync( [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 5829] rmdir("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6673] <... mount resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6673] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6673] <... openat resumed>) = 3 [pid 5829] unlink("./168/binderfs" [pid 6673] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6673] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] getdents64(3, [pid 6673] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6672] <... mount resumed>) = 0 [pid 6669] <... sync resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6673] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6669] exit_group(0 [pid 5829] close(3 [pid 6669] <... exit_group resumed>) = ? [pid 5829] <... close resumed>) = 0 [pid 6673] <... mknod resumed>) = 0 [pid 6672] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6669] +++ exited with 0 +++ [pid 6672] <... openat resumed>) = 3 [pid 6673] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6669, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] rmdir("./168" [pid 6672] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6672] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6672] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./169", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6673] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... openat resumed>) = 3 [pid 6673] sync( [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6672] <... mknod resumed>) = 0 [pid 5833] umount2("./161", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 5833] openat(AT_FDCWD, "./161", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 6672] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] newfstatat(3, "", ./strace-static-x86_64: Process 6674 attached {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6674] set_robust_list(0x555567654760, 24 [pid 5833] getdents64(3, [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6674 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6674] <... set_robust_list resumed>) = 0 [pid 5833] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6674] chdir("./169") = 0 [pid 6674] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6672] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6671] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6674] <... prctl resumed>) = 0 [pid 6674] setpgid(0, 0 [pid 6671] exit_group(0 [pid 6674] <... setpgid resumed>) = 0 [pid 6672] sync( [pid 6671] <... exit_group resumed>) = ? [pid 5833] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6674] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6671] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6671, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6674] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6674] write(3, "1000", 4 [pid 5833] openat(AT_FDCWD, "./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6674] <... write resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6674] close(3) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6674] symlink("/dev/binderfs", "./binderfs" [pid 5831] getdents64(3, [pid 6674] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6674] write(1, "executing program\n", 18 [pid 5833] newfstatat(4, "", [pid 5831] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6674] <... write resumed>) = 18 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6674] memfd_create("syzkaller", 0) = 3 [pid 5833] getdents64(4, [pid 6674] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./161/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./161/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./161/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./161/binderfs") = 0 [pid 6672] <... sync resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6673] <... sync resumed>) = 0 [pid 5833] getdents64(3, [pid 6673] exit_group(0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 6673] <... exit_group resumed>) = ? [pid 5833] <... close resumed>) = 0 [pid 6673] +++ exited with 0 +++ [pid 6672] exit_group(0 [pid 5833] rmdir("./161" [pid 6672] <... exit_group resumed>) = ? [pid 5833] <... rmdir resumed>) = 0 [pid 5833] mkdir("./162", 0777 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6673, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6674] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6672] +++ exited with 0 +++ [pid 5833] <... mkdir resumed>) = 0 [pid 5831] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6672, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5830] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] newfstatat(3, "", [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] close(3 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6674] <... write resumed>) = 524288 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6674] munmap(0x7fa6be400000, 138412032 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6674] <... munmap resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6674] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6675 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6675 [pid 5830] <... umount2 resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6674] <... openat resumed>) = 4 [pid 5832] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] openat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6674] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... openat resumed>) = 4 [pid 5832] newfstatat(3, "", [pid 5831] newfstatat(4, "", [pid 6675] set_robust_list(0x555567654760, 24 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5832] getdents64(3, [pid 6675] <... set_robust_list resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6675] chdir("./162" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6675] <... chdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] newfstatat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6675] <... prctl resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(4, [pid 6675] setpgid(0, 0 [pid 5830] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6675] <... setpgid resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(4 [pid 5830] <... openat resumed>) = 4 [pid 5831] <... close resumed>) = 0 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6675] <... openat resumed>) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] getdents64(4, [pid 5831] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6675] write(3, "1000", 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] newfstatat(AT_FDCWD, "./162/binderfs", [pid 6675] <... write resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, [pid 5831] unlink("./162/binderfs" [pid 6675] close(3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6675] <... close resumed>) = 0 [pid 5830] close(4 [pid 6675] symlink("/dev/binderfs", "./binderfs" [pid 5830] <... close resumed>) = 0 [pid 6675] <... symlink resumed>) = 0 [pid 5830] rmdir("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6675] write(1, "executing program\n", 18 [pid 5831] getdents64(3, [pid 6675] <... write resumed>) = 18 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6675] memfd_create("syzkaller", 0 [pid 5831] close(3 [pid 6675] <... memfd_create resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5831] rmdir("./162" [pid 6675] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6675] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] mkdir("./163", 0777 [pid 5830] newfstatat(AT_FDCWD, "./163/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./163/binderfs") = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./163") = 0 [pid 5830] mkdir("./164", 0777 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6675] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6676 attached [pid 5832] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6676 [pid 6676] set_robust_list(0x555567654760, 24 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5832] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6676] <... set_robust_list resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] close(3) = 0 [pid 5832] openat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6676] chdir("./164") = 0 [pid 6676] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6676] <... prctl resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6676] setpgid(0, 0./strace-static-x86_64: Process 6677 attached ) = 0 [pid 6675] <... write resumed>) = 524288 [pid 6677] set_robust_list(0x555567654760, 24 [pid 5832] newfstatat(4, "", [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6677 [pid 6677] <... set_robust_list resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6677] chdir("./163" [pid 6676] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] getdents64(4, [pid 6674] <... ioctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6677] <... chdir resumed>) = 0 [pid 6676] <... openat resumed>) = 3 [pid 6677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6676] write(3, "1000", 4 [pid 5832] getdents64(4, [pid 6677] <... prctl resumed>) = 0 [pid 6674] close(3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6677] setpgid(0, 0 [pid 6674] <... close resumed>) = 0 [pid 6676] <... write resumed>) = 4 [pid 6675] munmap(0x7fa6be400000, 138412032 [pid 5832] close(4 [pid 6676] close(3 [pid 6675] <... munmap resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6676] <... close resumed>) = 0 [pid 5832] rmdir("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6677] <... setpgid resumed>) = 0 [pid 6676] symlink("/dev/binderfs", "./binderfs" [pid 6675] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6674] close(4 [pid 5832] <... rmdir resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6676] <... symlink resumed>) = 0 [pid 6675] <... openat resumed>) = 4 [pid 6674] <... close resumed>) = 0 [ 169.142687][ T6674] loop0: detected capacity change from 0 to 1024 [pid 5832] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6677] <... openat resumed>) = 3 [pid 6675] ioctl(4, LOOP_SET_FD, 3 [pid 6674] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6677] write(3, "1000", 4 [pid 6674] <... mkdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./163/binderfs", [pid 6677] <... write resumed>) = 4 [pid 6674] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""executing program [pid 6676] write(1, "executing program\n", 18 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6677] close(3) = 0 [pid 6676] <... write resumed>) = 18 [pid 5832] unlink("./163/binderfs" [pid 6677] symlink("/dev/binderfs", "./binderfs" [pid 6676] memfd_create("syzkaller", 0 [pid 5832] <... unlink resumed>) = 0 [pid 6676] <... memfd_create resumed>) = 3 [pid 5832] getdents64(3, [pid 6677] <... symlink resumed>) = 0 [pid 6676] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 executing program [pid 6677] write(1, "executing program\n", 18 [pid 5832] close(3 [pid 6677] <... write resumed>) = 18 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./163" [pid 6677] memfd_create("syzkaller", 0 [pid 6676] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... rmdir resumed>) = 0 [pid 6676] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] mkdir("./164", 0777 [pid 6677] <... memfd_create resumed>) = 3 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 6677] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6677] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6675] <... ioctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6675] close(3 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6678 attached [pid 6677] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6675] <... close resumed>) = 0 [pid 6678] set_robust_list(0x555567654760, 24 [pid 6675] close(4 [pid 6678] <... set_robust_list resumed>) = 0 [pid 6675] <... close resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6678 [pid 6678] chdir("./164" [pid 6675] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6674] <... mount resumed>) = 0 [pid 6678] <... chdir resumed>) = 0 [pid 6678] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [ 169.185249][ T6675] loop4: detected capacity change from 0 to 1024 [pid 6674] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6678] setpgid(0, 0 [pid 6676] <... write resumed>) = 524288 [pid 6675] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6678] <... setpgid resumed>) = 0 [pid 6676] munmap(0x7fa6be400000, 138412032 [pid 6674] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6676] <... munmap resumed>) = 0 [pid 6674] <... chdir resumed>) = 0 [pid 6678] <... openat resumed>) = 3 [pid 6676] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6674] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6678] write(3, "1000", 4 [pid 6676] <... openat resumed>) = 4 [pid 6675] <... mount resumed>) = 0 [pid 6674] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6678] <... write resumed>) = 4 [pid 6675] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6674] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6678] close(3 [pid 6677] <... write resumed>) = 524288 [pid 6676] ioctl(4, LOOP_SET_FD, 3 [pid 6675] <... openat resumed>) = 3 [pid 6674] <... mknod resumed>) = 0 [pid 6678] <... close resumed>) = 0 [pid 6677] munmap(0x7fa6be400000, 138412032 [pid 6675] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6674] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6678] symlink("/dev/binderfs", "./binderfs" [pid 6677] <... munmap resumed>) = 0 [pid 6675] <... chdir resumed>) = 0 [pid 6678] <... symlink resumed>) = 0 [pid 6675] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6678] write(1, "executing program\n", 18 [pid 6675] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6678] <... write resumed>) = 18 [pid 6675] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6678] memfd_create("syzkaller", 0) = 3 [pid 6678] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6677] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6674] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6678] <... mmap resumed>) = 0x7fa6be400000 [pid 6677] <... openat resumed>) = 4 [pid 6674] sync( [pid 6677] ioctl(4, LOOP_SET_FD, 3 [pid 6675] <... mknod resumed>) = 0 [pid 6675] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6676] <... ioctl resumed>) = 0 [pid 6676] close(3) = 0 [pid 6676] close(4 [pid 6678] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6676] <... close resumed>) = 0 [pid 6676] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6677] <... ioctl resumed>) = 0 [pid 6676] <... mkdir resumed>) = 0 [pid 6677] close(3) = 0 [pid 6677] close(4) = 0 [pid 6675] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6676] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6677] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [ 169.267591][ T6676] loop1: detected capacity change from 0 to 1024 [ 169.292530][ T6677] loop2: detected capacity change from 0 to 1024 [pid 6675] sync( [pid 6678] <... write resumed>) = 524288 [pid 6677] <... mkdir resumed>) = 0 [pid 6678] munmap(0x7fa6be400000, 138412032) = 0 [pid 6677] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6676] <... mount resumed>) = 0 [pid 6678] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6676] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6678] <... openat resumed>) = 4 [pid 6676] <... openat resumed>) = 3 [pid 6678] ioctl(4, LOOP_SET_FD, 3 [pid 6676] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6676] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6676] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6677] <... mount resumed>) = 0 [pid 6677] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6676] <... mknod resumed>) = 0 [pid 6677] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6676] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6677] <... chdir resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6675] <... sync resumed>) = 0 [pid 6677] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6675] exit_group(0 [pid 6674] <... sync resumed>) = 0 [pid 6677] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6674] exit_group(0 [pid 6675] <... exit_group resumed>) = ? [pid 6674] <... exit_group resumed>) = ? [pid 6675] +++ exited with 0 +++ [pid 6674] +++ exited with 0 +++ [pid 6677] <... mknod resumed>) = 0 [pid 6676] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6675, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6674, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6677] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6676] sync( [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6678] <... ioctl resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [ 169.386478][ T6678] loop3: detected capacity change from 0 to 1024 [pid 6678] close(3) = 0 [pid 6678] close(4) = 0 [pid 6678] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./162", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./162", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(3, "", [pid 5833] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(3, "", [pid 5829] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6677] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6678] <... mount resumed>) = 0 [pid 6677] sync( [pid 6676] <... sync resumed>) = 0 [pid 6678] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6676] exit_group(0 [pid 6678] <... openat resumed>) = 3 [pid 6676] <... exit_group resumed>) = ? [pid 6678] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6676] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6676, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... chdir resumed>) = 0 [pid 6678] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6678] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6678] <... mknod resumed>) = 0 [pid 6678] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] newfstatat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... openat resumed>) = 4 [pid 6678] sync( [pid 5833] newfstatat(4, "", [pid 5830] <... umount2 resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6677] <... sync resumed>) = 0 [pid 6677] exit_group(0 [pid 5829] openat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 6677] <... exit_group resumed>) = ? [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(4, "", [pid 5833] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5830] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./162/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6677] +++ exited with 0 +++ [pid 5833] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] getdents64(4, [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6677, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] close(4 [pid 5830] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 5833] umount2("./162/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6678] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] rmdir("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(AT_FDCWD, "./162/binderfs", [pid 6678] exit_group(0) = ? [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] unlink("./162/binderfs" [pid 5831] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5829] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5833] getdents64(3, [pid 5831] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./169/binderfs", [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] close(3 [pid 5831] newfstatat(3, "", [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] unlink("./169/binderfs" [pid 5833] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] rmdir("./162" [pid 5831] getdents64(3, [pid 5830] getdents64(4, [pid 5829] <... unlink resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(3, [pid 6678] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6678, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5833] mkdir("./163", 0777 [pid 5831] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] close(4 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] close(3 [pid 5830] rmdir("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 5832] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] rmdir("./169" [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... openat resumed>) = 3 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5830] newfstatat(AT_FDCWD, "./164/binderfs", [pid 5829] mkdir("./170", 0777 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] unlink("./164/binderfs" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5830] getdents64(3, [pid 5832] rmdir("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] close(3 [pid 5831] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6679 [pid 5830] <... close resumed>) = 0 [pid 5829] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6679 attached [pid 5830] rmdir("./164" [pid 5829] close(3 [pid 6679] set_robust_list(0x555567654760, 24 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./164/binderfs", [pid 6679] <... set_robust_list resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6679] chdir("./163" [pid 5832] unlink("./164/binderfs" [pid 6679] <... chdir resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] mkdir("./165", 0777 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6679] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6680 attached ) = 0 [pid 5832] getdents64(3, [pid 5831] newfstatat(4, "", [pid 5830] <... mkdir resumed>) = 0 [pid 6679] setpgid(0, 0 [pid 6680] set_robust_list(0x555567654760, 24 [pid 6679] <... setpgid resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6680 [pid 6680] <... set_robust_list resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6679] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] close(3 [pid 6680] chdir("./170" [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./164" [pid 6680] <... chdir resumed>) = 0 [pid 6679] <... openat resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] <... openat resumed>) = 3 [pid 6680] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6679] write(3, "1000", 4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6680] <... prctl resumed>) = 0 [pid 6679] <... write resumed>) = 4 [pid 5831] getdents64(4, [pid 5830] <... ioctl resumed>) = 0 [pid 6680] setpgid(0, 0 [pid 6679] close(3 [pid 5830] close(3 [pid 6680] <... setpgid resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6679] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] close(4 [pid 6680] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6679] symlink("/dev/binderfs", "./binderfs" [pid 5832] mkdir("./165", 0777 [pid 5831] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6679] <... symlink resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWRexecuting program ./strace-static-x86_64: Process 6681 attached [pid 6679] write(1, "executing program\n", 18 [pid 5832] <... openat resumed>) = 3 [pid 5831] rmdir("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6679] <... write resumed>) = 18 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6681] set_robust_list(0x555567654760, 24 [pid 5832] <... ioctl resumed>) = 0 [pid 6681] <... set_robust_list resumed>) = 0 [pid 5832] close(3 [pid 6681] chdir("./165" [pid 5832] <... close resumed>) = 0 [pid 6681] <... chdir resumed>) = 0 [pid 6680] <... openat resumed>) = 3 [pid 6679] memfd_create("syzkaller", 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6681 ./strace-static-x86_64: Process 6682 attached [pid 6681] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6680] write(3, "1000", 4 [pid 6679] <... memfd_create resumed>) = 3 [pid 5831] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6682] set_robust_list(0x555567654760, 24 [pid 6680] <... write resumed>) = 4 [pid 6679] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6682] <... set_robust_list resumed>) = 0 [pid 6680] close(3 [pid 6681] <... prctl resumed>) = 0 [pid 6679] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6682 [pid 5831] newfstatat(AT_FDCWD, "./163/binderfs", [pid 6681] setpgid(0, 0) = 0 [pid 6680] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6682] chdir("./165" [pid 6681] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6680] symlink("/dev/binderfs", "./binderfs" [pid 5831] unlink("./163/binderfs" [pid 6682] <... chdir resumed>) = 0 [pid 6681] <... openat resumed>) = 3 [pid 6682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6680] <... symlink resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 6681] write(3, "1000", 4) = 4 executing program [pid 6681] close(3 [pid 6682] <... prctl resumed>) = 0 [pid 5831] getdents64(3, [pid 6680] write(1, "executing program\n", 18 [pid 6682] setpgid(0, 0 [pid 6681] <... close resumed>) = 0 [pid 6680] <... write resumed>) = 18 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6681] symlink("/dev/binderfs", "./binderfs" [pid 6680] memfd_create("syzkaller", 0 [pid 6682] <... setpgid resumed>) = 0 [pid 5831] close(3 [pid 6681] <... symlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6681] write(1, "executing program\n", 18 [pid 5831] rmdir("./163"executing program [pid 6682] <... openat resumed>) = 3 [pid 6681] <... write resumed>) = 18 [pid 5831] <... rmdir resumed>) = 0 [pid 6680] <... memfd_create resumed>) = 3 [pid 6682] write(3, "1000", 4 [pid 6680] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] mkdir("./164", 0777 [pid 6681] memfd_create("syzkaller", 0 [pid 6679] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6681] <... memfd_create resumed>) = 3 [pid 6681] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... mkdir resumed>) = 0 [pid 6682] <... write resumed>) = 4 [pid 6680] <... mmap resumed>) = 0x7fa6be400000 [pid 6681] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6681] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... openat resumed>) = 3 [pid 6682] close(3 [pid 6680] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6682] <... close resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6681] <... write resumed>) = 524288 [pid 6682] symlink("/dev/binderfs", "./binderfs" [pid 6679] <... write resumed>) = 524288 [pid 5831] <... ioctl resumed>) = 0 [pid 6682] <... symlink resumed>) = 0 [pid 6679] munmap(0x7fa6be400000, 138412032 [pid 5831] close(3 [pid 6681] munmap(0x7fa6be400000, 138412032) = 0 [pid 6679] <... munmap resumed>) = 0 [pid 6679] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 executing program [pid 6679] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... close resumed>) = 0 [pid 6682] write(1, "executing program\n", 18 [pid 6680] <... write resumed>) = 524288 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6682] <... write resumed>) = 18 [pid 6680] munmap(0x7fa6be400000, 138412032./strace-static-x86_64: Process 6683 attached [pid 6682] memfd_create("syzkaller", 0 [pid 6681] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6681] ioctl(4, LOOP_SET_FD, 3 [pid 6683] set_robust_list(0x555567654760, 24 [pid 6682] <... memfd_create resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6683 [pid 6682] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6680] <... munmap resumed>) = 0 [pid 6680] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6680] ioctl(4, LOOP_SET_FD, 3 [pid 6683] chdir("./164") = 0 [pid 6682] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6679] <... ioctl resumed>) = 0 [pid 6683] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6679] close(3) = 0 [pid 6681] <... ioctl resumed>) = 0 [pid 6679] close(4) = 0 [pid 6681] close(3 [pid 6679] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6681] <... close resumed>) = 0 [pid 6679] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6683] setpgid(0, 0 [pid 6681] close(4 [pid 6679] <... mount resumed>) = 0 [pid 6681] <... close resumed>) = 0 [pid 6679] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6683] <... setpgid resumed>) = 0 [pid 6681] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6679] <... openat resumed>) = 3 [pid 6683] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6681] <... mkdir resumed>) = 0 [pid 6679] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6683] <... openat resumed>) = 3 [pid 6679] <... chdir resumed>) = 0 [pid 6682] <... write resumed>) = 524288 [pid 6681] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6680] <... ioctl resumed>) = 0 [pid 6683] write(3, "1000", 4) = 4 [pid 6680] close(3 [pid 6679] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6680] <... close resumed>) = 0 [pid 6679] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6683] close(3 [pid 6680] close(4 [pid 6683] <... close resumed>) = 0 [pid 6680] <... close resumed>) = 0 [pid 6679] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6683] symlink("/dev/binderfs", "./binderfs" [pid 6680] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6683] <... symlink resumed>) = 0 [pid 6680] <... mkdir resumed>) = 0 executing program [pid 6683] write(1, "executing program\n", 18) = 18 [pid 6683] memfd_create("syzkaller", 0) = 3 [pid 6680] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6679] <... mknod resumed>) = 0 [pid 6681] <... mount resumed>) = 0 [pid 6679] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6683] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 169.755559][ T6679] loop4: detected capacity change from 0 to 1024 [ 169.763803][ T6681] loop1: detected capacity change from 0 to 1024 [ 169.777815][ T6680] loop0: detected capacity change from 0 to 1024 [pid 6681] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6683] <... mmap resumed>) = 0x7fa6be400000 [pid 6682] munmap(0x7fa6be400000, 138412032 [pid 6681] <... openat resumed>) = 3 [pid 6681] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6682] <... munmap resumed>) = 0 [pid 6681] <... chdir resumed>) = 0 [pid 6681] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6682] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6681] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6681] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6682] <... openat resumed>) = 4 [pid 6679] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6679] sync( [pid 6682] ioctl(4, LOOP_SET_FD, 3 [pid 6681] <... mknod resumed>) = 0 [pid 6681] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6683] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6680] <... mount resumed>) = 0 [pid 6680] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6683] <... write resumed>) = 524288 [pid 6681] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6681] sync( [pid 6680] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6680] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6680] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6682] <... ioctl resumed>) = 0 [pid 6683] munmap(0x7fa6be400000, 138412032) = 0 [pid 6680] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6683] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6682] close(3) = 0 [ 169.855717][ T6682] loop3: detected capacity change from 0 to 1024 [pid 6683] <... openat resumed>) = 4 [pid 6682] close(4 [pid 6683] ioctl(4, LOOP_SET_FD, 3 [pid 6682] <... close resumed>) = 0 [pid 6680] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6682] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6680] sync( [pid 6681] <... sync resumed>) = 0 [pid 6679] <... sync resumed>) = 0 [pid 6682] <... mkdir resumed>) = 0 [pid 6681] exit_group(0 [pid 6682] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6681] <... exit_group resumed>) = ? [pid 6679] exit_group(0) = ? [pid 6681] +++ exited with 0 +++ [pid 6679] +++ exited with 0 +++ [pid 6683] <... ioctl resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6681, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6679, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6683] close(3 [pid 5830] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6683] <... close resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6682] <... mount resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6683] close(4 [pid 6682] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6683] <... close resumed>) = 0 [pid 6682] <... openat resumed>) = 3 [pid 6683] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6682] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./163", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6683] <... mkdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./163", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 6680] <... sync resumed>) = 0 [pid 6683] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6680] exit_group(0 [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 6682] <... chdir resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 6682] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6680] <... exit_group resumed>) = ? [pid 6682] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 169.925297][ T6683] loop2: detected capacity change from 0 to 1024 [pid 6682] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6682] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6680] +++ exited with 0 +++ [pid 5833] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6680, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5833] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... restart_syscall resumed>) = 0 [pid 6682] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6682] sync( [pid 5829] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6683] <... mount resumed>) = 0 [pid 6683] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5833] <... umount2 resumed>) = 0 [pid 6683] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6683] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6683] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6683] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 5830] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] newfstatat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 4 [pid 5829] newfstatat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6683] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6683] sync( [pid 5830] newfstatat(AT_FDCWD, "./165/binderfs", [pid 5829] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(4, "", [pid 5833] close(4 [pid 5830] unlink("./165/binderfs" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 5833] rmdir("./163/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] umount2("./163/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, [pid 5829] getdents64(4, [pid 5833] newfstatat(AT_FDCWD, "./163/binderfs", [pid 6682] <... sync resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] unlink("./163/binderfs" [pid 5829] close(4 [pid 6682] exit_group(0 [pid 5830] close(3 [pid 5829] <... close resumed>) = 0 [pid 6683] <... sync resumed>) = 0 [pid 6682] <... exit_group resumed>) = ? [pid 5833] <... unlink resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] rmdir("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(3, [pid 6682] +++ exited with 0 +++ [pid 5830] rmdir("./165" [pid 5829] <... rmdir resumed>) = 0 [pid 6683] exit_group(0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6682, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6683] <... exit_group resumed>) = ? [pid 5830] mkdir("./166", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6683] +++ exited with 0 +++ [pid 5833] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6683, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./170/binderfs", [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] rmdir("./163" [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6684 attached [pid 5833] <... rmdir resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6684] set_robust_list(0x555567654760, 24) = 0 [pid 6684] chdir("./166" [pid 5831] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6684 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5829] unlink("./170/binderfs" [pid 6684] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... openat resumed>) = 3 [pid 6684] <... prctl resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6684] setpgid(0, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6684] <... setpgid resumed>) = 0 [pid 5831] getdents64(3, [pid 6684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6684] <... openat resumed>) = 3 [pid 5833] mkdir("./164", 0777 [pid 5831] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6684] write(3, "1000", 4) = 4 [pid 6684] close(3) = 0 [pid 6684] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6684] write(1, "executing program\n", 18) = 18 [pid 6684] memfd_create("syzkaller", 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6684] <... memfd_create resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6684] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... openat resumed>) = 3 [pid 6684] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] close(3 [pid 6684] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] close(3 [pid 5832] newfstatat(3, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] rmdir("./170" [pid 5832] getdents64(3, ./strace-static-x86_64: Process 6685 attached 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 6685] set_robust_list(0x555567654760, 24 [pid 5831] openat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] mkdir("./171", 0777 [pid 5831] <... openat resumed>) = 4 [pid 5829] <... mkdir resumed>) = 0 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6684] <... write resumed>) = 524288 [pid 5831] getdents64(4, [pid 6684] munmap(0x7fa6be400000, 138412032 [pid 6685] <... set_robust_list resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6685 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6685] chdir("./164" [pid 5829] <... openat resumed>) = 3 [pid 6684] <... munmap resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6685] <... chdir resumed>) = 0 [pid 5832] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 6685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6684] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6685] <... prctl resumed>) = 0 [pid 6684] <... openat resumed>) = 4 [pid 6685] setpgid(0, 0 [pid 6684] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 6685] <... setpgid resumed>) = 0 [pid 6684] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] close(4 [pid 5829] close(3 [pid 6685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] ioctl(4, LOOP_CLR_FD [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5832] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] rmdir("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6685] <... openat resumed>) = 3 [pid 6684] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... rmdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6685] write(3, "1000", 4) = 4 [pid 6685] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6686 attached [pid 6686] set_robust_list(0x555567654760, 24 [pid 6685] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] newfstatat(AT_FDCWD, "./164/binderfs", [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6686 executing program [pid 6686] <... set_robust_list resumed>) = 0 [pid 6685] symlink("/dev/binderfs", "./binderfs" [pid 5832] newfstatat(4, "", [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6686] chdir("./171" [pid 6685] <... symlink resumed>) = 0 [pid 6684] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] unlink("./164/binderfs" [pid 5832] getdents64(4, [pid 6685] write(1, "executing program\n", 18 [pid 6684] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... unlink resumed>) = 0 [pid 6685] <... write resumed>) = 18 [pid 6684] close(4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(3, [pid 5832] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5832] close(4 [pid 6685] memfd_create("syzkaller", 0 [pid 6684] <... close resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6686] <... chdir resumed>) = 0 [pid 6684] close(3 [pid 5832] rmdir("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./164" [pid 6685] <... memfd_create resumed>) = 3 [pid 6685] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6686] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6685] <... mmap resumed>) = 0x7fa6be400000 [pid 6684] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6686] <... prctl resumed>) = 0 [pid 6685] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6686] setpgid(0, 0 [pid 5831] mkdir("./165", 0777 [pid 6686] <... setpgid resumed>) = 0 [pid 6684] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6686] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] <... mknod resumed>) = 0 [pid 5832] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... mkdir resumed>) = 0 [pid 6686] <... openat resumed>) = 3 [pid 6684] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6686] write(3, "1000", 4 [pid 5832] newfstatat(AT_FDCWD, "./165/binderfs", [pid 6686] <... write resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 6686] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6686] <... close resumed>) = 0 [pid 5832] unlink("./165/binderfs" [pid 6686] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... ioctl resumed>) = 0 [pid 6686] <... symlink resumed>) = 0 [pid 6684] <... link resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] close(3 [pid 6686] write(1, "executing program\n", 18 [pid 6684] sync(executing program [pid 6686] <... write resumed>) = 18 [pid 6686] memfd_create("syzkaller", 0 [pid 5832] getdents64(3, [pid 6686] <... memfd_create resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6686] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./165" [pid 6686] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6685] <... write resumed>) = 524288 [pid 6684] <... sync resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6686] <... write resumed>) = 524288 [pid 5832] mkdir("./166", 0777 [pid 5831] <... close resumed>) = 0 [pid 6684] exit_group(0 [pid 5832] <... mkdir resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6685] munmap(0x7fa6be400000, 138412032 [pid 6684] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6687 attached [pid 6686] munmap(0x7fa6be400000, 138412032 [pid 6685] <... munmap resumed>) = 0 [pid 6684] +++ exited with 0 +++ [pid 6687] set_robust_list(0x555567654760, 24 [pid 6686] <... munmap resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6684, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6687] <... set_robust_list resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6687 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6686] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6687] chdir("./165" [pid 6685] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6687] <... chdir resumed>) = 0 [pid 6685] <... openat resumed>) = 4 [pid 6687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6687] <... prctl resumed>) = 0 [pid 6685] ioctl(4, LOOP_SET_FD, 3 [pid 5832] close(3 [pid 6687] setpgid(0, 0) = 0 [pid 6687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5830] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6687] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6687] write(3, "1000", 4 [pid 5830] unlink("./166/binderfs" [pid 6686] <... openat resumed>) = 4 [pid 5830] <... unlink resumed>) = 0 [pid 6686] ioctl(4, LOOP_SET_FD, 3 [pid 6687] <... write resumed>) = 4 [pid 5830] getdents64(3, [pid 6687] close(3) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6687] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6685] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 6687] write(1, "executing program\n", 18 [pid 6685] close(3 [pid 5830] <... close resumed>) = 0 [pid 6685] <... close resumed>) = 0 [pid 5830] rmdir("./166" [pid 5832] <... close resumed>) = 0 [pid 6687] <... write resumed>) = 18 [pid 6687] memfd_create("syzkaller", 0 [pid 6685] close(4 [pid 5830] <... rmdir resumed>) = 0 [pid 6687] <... memfd_create resumed>) = 3 [pid 6685] <... close resumed>) = 0 [pid 5830] mkdir("./167", 0777) = 0 [pid 6687] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6685] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6687] <... mmap resumed>) = 0x7fa6be400000 [pid 6685] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 6685] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""./strace-static-x86_64: Process 6688 attached [pid 6687] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] ioctl(3, LOOP_CLR_FD) = -1 ENXIO (No such device or address) [pid 5830] close(3) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6688 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6688] set_robust_list(0x555567654760, 24./strace-static-x86_64: Process 6689 attached ) = 0 [pid 6688] chdir("./166") = 0 [pid 6689] set_robust_list(0x555567654760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6689 [pid 6686] <... ioctl resumed>) = 0 [pid 6689] <... set_robust_list resumed>) = 0 [pid 6689] chdir("./167" [pid 6688] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6689] <... chdir resumed>) = 0 [pid 6686] close(3 [pid 6689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6686] <... close resumed>) = 0 [pid 6689] <... prctl resumed>) = 0 [pid 6686] close(4 [pid 6689] setpgid(0, 0 [pid 6686] <... close resumed>) = 0 [pid 6689] <... setpgid resumed>) = 0 [pid 6686] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6688] <... prctl resumed>) = 0 [pid 6689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6688] setpgid(0, 0 [pid 6686] <... mkdir resumed>) = 0 [pid 6688] <... setpgid resumed>) = 0 [pid 6688] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6689] <... openat resumed>) = 3 [pid 6688] <... openat resumed>) = 3 [pid 6689] write(3, "1000", 4 [pid 6688] write(3, "1000", 4 [pid 6689] <... write resumed>) = 4 [pid 6688] <... write resumed>) = 4 [ 170.262780][ T6685] loop4: detected capacity change from 0 to 1024 [ 170.282909][ T6686] loop0: detected capacity change from 0 to 1024 [pid 6686] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6689] close(3 [pid 6688] close(3 [pid 6687] <... write resumed>) = 524288 [pid 6685] <... mount resumed>) = 0 [pid 6689] <... close resumed>) = 0 [pid 6688] <... close resumed>) = 0 [pid 6687] munmap(0x7fa6be400000, 138412032 [pid 6688] symlink("/dev/binderfs", "./binderfs" [pid 6689] symlink("/dev/binderfs", "./binderfs" [pid 6687] <... munmap resumed>) = 0 [pid 6686] <... mount resumed>) = 0 [pid 6685] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6688] <... symlink resumed>) = 0 [pid 6687] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6689] <... symlink resumed>) = 0 [pid 6688] write(1, "executing program\n", 18executing program executing program [pid 6686] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6685] <... openat resumed>) = 3 [pid 6689] write(1, "executing program\n", 18 [pid 6688] <... write resumed>) = 18 [pid 6687] <... openat resumed>) = 4 [pid 6685] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6689] <... write resumed>) = 18 [pid 6688] memfd_create("syzkaller", 0 [pid 6687] ioctl(4, LOOP_SET_FD, 3 [pid 6686] <... openat resumed>) = 3 [pid 6685] <... chdir resumed>) = 0 [pid 6689] memfd_create("syzkaller", 0 [pid 6686] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6685] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6686] <... chdir resumed>) = 0 [pid 6689] <... memfd_create resumed>) = 3 [pid 6688] <... memfd_create resumed>) = 3 [pid 6686] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6685] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6688] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6685] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6686] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6689] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6686] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6689] <... mmap resumed>) = 0x7fa6be400000 [pid 6685] <... mknod resumed>) = 0 [pid 6688] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6685] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6687] <... ioctl resumed>) = 0 [pid 6689] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6687] close(3 [pid 6686] <... mknod resumed>) = 0 [pid 6686] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6685] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6685] sync( [pid 6687] <... close resumed>) = 0 [pid 6687] close(4 [pid 6688] <... write resumed>) = 524288 [pid 6687] <... close resumed>) = 0 [pid 6687] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6686] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6687] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [ 170.356309][ T6687] loop2: detected capacity change from 0 to 1024 [pid 6686] sync( [pid 6689] <... write resumed>) = 524288 [pid 6688] munmap(0x7fa6be400000, 138412032) = 0 [pid 6688] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6689] munmap(0x7fa6be400000, 138412032 [pid 6688] ioctl(4, LOOP_SET_FD, 3 [pid 6687] <... mount resumed>) = 0 [pid 6687] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6689] <... munmap resumed>) = 0 [pid 6687] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6687] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6689] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6687] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6689] <... openat resumed>) = 4 [pid 6689] ioctl(4, LOOP_SET_FD, 3 [pid 6687] <... mknod resumed>) = 0 [pid 6687] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6689] <... ioctl resumed>) = 0 [pid 6688] <... ioctl resumed>) = 0 [pid 6687] sync( [pid 6686] <... sync resumed>) = 0 [pid 6689] close(3 [pid 6688] close(3 [pid 6686] exit_group(0 [pid 6688] <... close resumed>) = 0 [pid 6685] <... sync resumed>) = 0 [pid 6688] close(4 [pid 6689] <... close resumed>) = 0 [pid 6688] <... close resumed>) = 0 [pid 6689] close(4 [pid 6688] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6689] <... close resumed>) = 0 [pid 6688] <... mkdir resumed>) = 0 [pid 6686] <... exit_group resumed>) = ? [pid 6685] exit_group(0 [pid 6689] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6686] +++ exited with 0 +++ [pid 6685] <... exit_group resumed>) = ? [pid 6689] <... mkdir resumed>) = 0 [pid 6685] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6686, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6689] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6688] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6685, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./164", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./164", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5829] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 170.446974][ T6688] loop3: detected capacity change from 0 to 1024 [ 170.458189][ T6689] loop1: detected capacity change from 0 to 1024 [pid 5829] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", [pid 6688] <... mount resumed>) = 0 [pid 6688] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6688] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6688] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6688] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6689] <... mount resumed>) = 0 [pid 6689] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6688] <... mknod resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6688] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6689] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6689] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6689] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6688] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6689] <... mknod resumed>) = 0 [pid 6687] <... sync resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6689] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6688] sync( [pid 6687] exit_group(0 [pid 5833] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6687] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6687] +++ exited with 0 +++ [pid 5833] newfstatat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6687, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] umount2("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5831] <... restart_syscall resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6689] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] getdents64(4, [pid 6689] sync( [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5833] rmdir("./164/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./164/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./164/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./164/binderfs") = 0 [pid 5831] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./164") = 0 [pid 6689] <... sync resumed>) = 0 [pid 5833] mkdir("./165", 0777 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6689] exit_group(0 [pid 6688] <... sync resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6689] <... exit_group resumed>) = ? [pid 6688] exit_group(0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5829] openat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... openat resumed>) = 4 [pid 5831] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 6689] +++ exited with 0 +++ [pid 5829] rmdir("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6688] <... exit_group resumed>) = ? [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] <... umount2 resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6689, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6688] +++ exited with 0 +++ [pid 5833] <... ioctl resumed>) = 0 [pid 5831] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... rmdir resumed>) = 0 [pid 5833] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6688, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5831] newfstatat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6690 attached [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6690] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6690 [pid 5832] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] newfstatat(AT_FDCWD, "./171/binderfs", [pid 6690] <... set_robust_list resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6690] chdir("./165" [pid 5832] newfstatat(3, "", [pid 5831] openat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] unlink("./171/binderfs" [pid 6690] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... unlink resumed>) = 0 [pid 6690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] getdents64(3, [pid 5831] newfstatat(4, "", [pid 5830] newfstatat(3, "", [pid 6690] <... prctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 6690] setpgid(0, 0 [pid 5832] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(4, [pid 5830] getdents64(3, [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6690] <... setpgid resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] getdents64(4, [pid 5830] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6690] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5832] <... umount2 resumed>) = 0 [pid 5831] close(4) = 0 [pid 5829] <... close resumed>) = 0 [pid 5831] rmdir("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6690] write(3, "1000", 4 [pid 5831] <... rmdir resumed>) = 0 executing program [pid 5829] rmdir("./171" [pid 6690] <... write resumed>) = 4 [pid 6690] close(3) = 0 [pid 6690] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... rmdir resumed>) = 0 [pid 6690] <... symlink resumed>) = 0 [pid 5831] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6690] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./165/binderfs", [pid 6690] <... write resumed>) = 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6690] memfd_create("syzkaller", 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] mkdir("./172", 0777 [pid 6690] <... memfd_create resumed>) = 3 [pid 5832] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] unlink("./165/binderfs" [pid 5829] <... mkdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6690] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] newfstatat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... unlink resumed>) = 0 [pid 6690] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5830] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5831] close(3 [pid 5830] newfstatat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] openat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] rmdir("./165" [pid 5830] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 5832] getdents64(4, [pid 6690] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] mkdir("./166", 0777 [pid 5830] openat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] close(4) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5832] rmdir("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"./strace-static-x86_64: Process 6691 attached ) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] newfstatat(4, "", [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6691 [pid 6691] set_robust_list(0x555567654760, 24 [pid 5832] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6691] <... set_robust_list resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] newfstatat(AT_FDCWD, "./166/binderfs", [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6691] chdir("./172" [pid 5832] unlink("./166/binderfs" [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5831] close(3 [pid 5830] getdents64(4, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6691] <... chdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6691] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] <... close resumed>) = 0 [pid 5830] close(4 [pid 6691] <... prctl resumed>) = 0 [pid 5832] rmdir("./166" [pid 6691] setpgid(0, 0 [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6691] <... setpgid resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6691] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] mkdir("./167", 0777 [pid 5830] newfstatat(AT_FDCWD, "./167/binderfs", [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] unlink("./167/binderfs" [pid 5832] <... openat resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(3, [pid 5832] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 5830] close(3 [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... close resumed>) = 0 [pid 5830] rmdir("./167") = 0 [pid 5830] mkdir("./168", 0777./strace-static-x86_64: Process 6692 attached [pid 6691] <... openat resumed>) = 3 [pid 5830] <... mkdir resumed>) = 0 [pid 6691] write(3, "1000", 4 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6692 [pid 6691] <... write resumed>) = 4 [pid 6691] close(3 [pid 6690] <... write resumed>) = 524288 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR./strace-static-x86_64: Process 6693 attached [pid 6692] set_robust_list(0x555567654760, 24 [pid 6691] <... close resumed>) = 0 [pid 6690] munmap(0x7fa6be400000, 138412032 [pid 5830] <... openat resumed>) = 3 [pid 6691] symlink("/dev/binderfs", "./binderfs" [pid 6693] set_robust_list(0x555567654760, 24 [pid 6691] <... symlink resumed>) = 0 [pid 6693] <... set_robust_list resumed>) = 0 [pid 6693] chdir("./166" [pid 6692] <... set_robust_list resumed>) = 0 [pid 6690] <... munmap resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6693 [pid 5830] ioctl(3, LOOP_CLR_FDexecuting program [pid 6692] chdir("./167" [pid 6691] write(1, "executing program\n", 18 [pid 6692] <... chdir resumed>) = 0 [pid 6691] <... write resumed>) = 18 [pid 6692] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6691] memfd_create("syzkaller", 0 [pid 6692] <... prctl resumed>) = 0 [pid 6691] <... memfd_create resumed>) = 3 [pid 5830] <... ioctl resumed>) = 0 [pid 6693] <... chdir resumed>) = 0 [pid 5830] close(3 [pid 6693] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6692] setpgid(0, 0 [pid 6691] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6692] <... setpgid resumed>) = 0 [pid 6691] <... mmap resumed>) = 0x7fa6be400000 [pid 6693] <... prctl resumed>) = 0 [pid 6692] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6690] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6692] <... openat resumed>) = 3 [pid 6690] <... openat resumed>) = 4 [pid 6693] setpgid(0, 0 [pid 6690] ioctl(4, LOOP_SET_FD, 3 [pid 6693] <... setpgid resumed>) = 0 [pid 6693] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6692] write(3, "1000", 4 [pid 6691] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6690] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6692] <... write resumed>) = 4 [pid 6693] <... openat resumed>) = 3 [pid 6690] ioctl(4, LOOP_CLR_FD [pid 6693] write(3, "1000", 4 [pid 6692] close(3 [pid 6690] <... ioctl resumed>) = 0 [pid 6693] <... write resumed>) = 4 [pid 6693] close(3 [pid 6692] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6693] <... close resumed>) = 0 [pid 6692] symlink("/dev/binderfs", "./binderfs" [pid 6693] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6692] <... symlink resumed>) = 0 [pid 6690] ioctl(4, LOOP_SET_FD, 3executing program ./strace-static-x86_64: Process 6694 attached [pid 6693] write(1, "executing program\n", 18 [pid 6690] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6693] <... write resumed>) = 18 [pid 6690] close(4 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6694 executing program [pid 6693] memfd_create("syzkaller", 0 [pid 6692] write(1, "executing program\n", 18 [pid 6690] <... close resumed>) = 0 [pid 6694] set_robust_list(0x555567654760, 24) = 0 [pid 6694] chdir("./168") = 0 [pid 6694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6692] <... write resumed>) = 18 [pid 6694] <... prctl resumed>) = 0 [pid 6693] <... memfd_create resumed>) = 3 [pid 6692] memfd_create("syzkaller", 0 [pid 6691] <... write resumed>) = 524288 [pid 6693] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6694] setpgid(0, 0 [pid 6692] <... memfd_create resumed>) = 3 [pid 6694] <... setpgid resumed>) = 0 [pid 6692] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6693] <... mmap resumed>) = 0x7fa6be400000 [pid 6694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6692] <... mmap resumed>) = 0x7fa6be400000 [pid 6694] <... openat resumed>) = 3 [pid 6691] munmap(0x7fa6be400000, 138412032) = 0 [pid 6694] write(3, "1000", 4 [pid 6693] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6692] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6691] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6690] close(3 [pid 6694] <... write resumed>) = 4 [pid 6691] <... openat resumed>) = 4 [pid 6694] close(3 [pid 6691] ioctl(4, LOOP_SET_FD, 3 [pid 6694] <... close resumed>) = 0 executing program [pid 6694] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6694] write(1, "executing program\n", 18) = 18 [pid 6694] memfd_create("syzkaller", 0) = 3 [pid 6694] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6692] <... write resumed>) = 524288 [pid 6690] <... close resumed>) = 0 [pid 6692] munmap(0x7fa6be400000, 138412032) = 0 [pid 6692] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6690] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6692] <... openat resumed>) = 4 [pid 6692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6692] ioctl(4, LOOP_CLR_FD) = 0 [pid 6691] <... ioctl resumed>) = 0 [pid 6693] <... write resumed>) = 524288 [pid 6694] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6691] close(3 [pid 6690] <... mknod resumed>) = 0 [pid 6692] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6690] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6694] <... write resumed>) = 524288 [pid 6693] munmap(0x7fa6be400000, 138412032 [pid 6692] close(4 [pid 6691] <... close resumed>) = 0 [pid 6690] <... link resumed>) = 0 [pid 6692] <... close resumed>) = 0 [pid 6692] close(3 [pid 6693] <... munmap resumed>) = 0 [pid 6692] <... close resumed>) = 0 [pid 6690] sync( [pid 6693] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6691] close(4) = 0 [ 170.846440][ T6691] loop0: detected capacity change from 0 to 1024 [pid 6691] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6693] ioctl(4, LOOP_SET_FD, 3 [pid 6691] <... mkdir resumed>) = 0 [pid 6691] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6692] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6692] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6693] <... ioctl resumed>) = 0 [pid 6692] <... link resumed>) = 0 [pid 6694] munmap(0x7fa6be400000, 138412032) = 0 [pid 6693] close(3 [pid 6692] sync( [pid 6693] <... close resumed>) = 0 [pid 6693] close(4 [pid 6691] <... mount resumed>) = 0 [pid 6694] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6693] <... close resumed>) = 0 [pid 6691] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6694] <... openat resumed>) = 4 [pid 6693] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6691] <... openat resumed>) = 3 [pid 6694] ioctl(4, LOOP_SET_FD, 3 [pid 6693] <... mkdir resumed>) = 0 [pid 6691] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6690] <... sync resumed>) = 0 [pid 6690] exit_group(0) = ? [pid 6691] <... chdir resumed>) = 0 [pid 6691] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6691] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6693] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6690] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6690, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] umount2("./165", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 170.907625][ T6693] loop2: detected capacity change from 0 to 1024 [pid 5833] openat(AT_FDCWD, "./165", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6691] <... mknod resumed>) = 0 [pid 6691] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 6694] <... ioctl resumed>) = 0 [pid 6693] <... mount resumed>) = 0 [pid 6691] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6693] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6692] <... sync resumed>) = 0 [pid 6691] sync( [pid 6694] close(3 [pid 6692] exit_group(0 [pid 6693] <... openat resumed>) = 3 [pid 6692] <... exit_group resumed>) = ? [pid 5833] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6694] <... close resumed>) = 0 [pid 6693] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6692] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6693] <... chdir resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6692, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6694] close(4 [pid 6693] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6694] <... close resumed>) = 0 [pid 6693] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] unlink("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6694] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6693] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6694] <... mkdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5832] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6694] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] unlink("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... unlink resumed>) = 0 [ 170.956061][ T6694] loop1: detected capacity change from 0 to 1024 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6693] <... mknod resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6693] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] unlink("./165/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5833] umount2("./165/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./165/binderfs", [pid 5832] newfstatat(AT_FDCWD, "./167/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./167/binderfs") = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./167") = 0 [pid 6693] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./165/binderfs" [pid 6693] sync( [pid 5832] mkdir("./168", 0777 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6694] <... mount resumed>) = 0 [pid 6694] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6694] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6694] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6691] <... sync resumed>) = 0 [pid 5833] close(3 [pid 5832] <... openat resumed>) = 3 [pid 6694] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6691] exit_group(0 [pid 5833] <... close resumed>) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6691] <... exit_group resumed>) = ? [pid 5833] rmdir("./165" [pid 6691] +++ exited with 0 +++ [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5832] close(3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6691, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5829] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] mkdir("./166", 0777 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6694] <... mknod resumed>) = 0 [pid 6694] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6694] sync( [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6693] <... sync resumed>) = 0 [pid 5829] getdents64(3, [pid 5833] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6695 attached [pid 6693] exit_group(0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... openat resumed>) = 3 [pid 5829] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6693] <... exit_group resumed>) = ? [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6695 [pid 6695] set_robust_list(0x555567654760, 24 [pid 6693] +++ exited with 0 +++ [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6695] <... set_robust_list resumed>) = 0 [pid 5833] close(3) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6693, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6695] chdir("./168" [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6695] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6696 attached [pid 6694] <... sync resumed>) = 0 [pid 6695] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6696 [pid 6696] set_robust_list(0x555567654760, 24 [pid 6694] exit_group(0) = ? [pid 6696] <... set_robust_list resumed>) = 0 [pid 6695] <... prctl resumed>) = 0 [pid 6694] +++ exited with 0 +++ [pid 5831] <... restart_syscall resumed>) = 0 [pid 6695] setpgid(0, 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6694, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6696] chdir("./166") = 0 [pid 6695] <... setpgid resumed>) = 0 [pid 5831] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6695] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... openat resumed>) = 3 [pid 6696] <... prctl resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] newfstatat(3, "", [pid 6696] setpgid(0, 0 [pid 5831] getdents64(3, [pid 6696] <... setpgid resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] getdents64(3, [pid 6696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6695] <... openat resumed>) = 3 [pid 5831] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = 0 [pid 6696] <... openat resumed>) = 3 [pid 6695] write(3, "1000", 4 [pid 5829] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6696] write(3, "1000", 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6696] <... write resumed>) = 4 [pid 5829] newfstatat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6696] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6695] <... write resumed>) = 4 [pid 6695] close(3) = 0 [pid 6695] symlink("/dev/binderfs", "./binderfs" [pid 6696] <... close resumed>) = 0 [pid 6696] symlink("/dev/binderfs", "./binderfs" [pid 5829] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6696] <... symlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5829] openat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6696] write(1, "executing program\n", 18 [pid 5829] <... openat resumed>) = 4 [pid 6696] <... write resumed>) = 18 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] newfstatat(4, "", [pid 6696] memfd_create("syzkaller", 0 [pid 6695] <... symlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6696] <... memfd_create resumed>) = 3 [pid 6695] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(4, [pid 6695] <... write resumed>) = 18 [pid 5831] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6696] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6695] memfd_create("syzkaller", 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6696] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] getdents64(4, [pid 6695] <... memfd_create resumed>) = 3 [pid 5831] newfstatat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(4 [pid 6695] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6695] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] openat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 4 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 4 [pid 5830] newfstatat(4, "", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(AT_FDCWD, "./172/binderfs", [pid 5830] getdents64(4, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(4, [pid 5830] close(4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./172/binderfs" [pid 5830] rmdir("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... unlink resumed>) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5831] getdents64(4, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] newfstatat(AT_FDCWD, "./168/binderfs", [pid 5829] rmdir("./172" [pid 6696] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5831] close(4 [pid 5830] unlink("./168/binderfs" [pid 6695] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] mkdir("./173", 0777 [pid 5831] rmdir("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(3, [pid 5829] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6696] <... write resumed>) = 524288 [pid 5829] <... openat resumed>) = 3 [pid 6695] <... write resumed>) = 524288 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6695] munmap(0x7fa6be400000, 138412032 [pid 5831] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 ./strace-static-x86_64: Process 6697 attached [pid 6695] <... munmap resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] rmdir("./168" [pid 5831] newfstatat(AT_FDCWD, "./166/binderfs", [pid 6696] munmap(0x7fa6be400000, 138412032 [pid 6697] set_robust_list(0x555567654760, 24 [pid 6696] <... munmap resumed>) = 0 [pid 6695] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6697 [pid 6697] <... set_robust_list resumed>) = 0 [pid 5831] unlink("./166/binderfs" [pid 5830] mkdir("./169", 0777 [pid 6695] <... openat resumed>) = 4 [pid 6696] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6697] chdir("./173" [pid 6696] <... openat resumed>) = 4 [pid 6695] ioctl(4, LOOP_SET_FD, 3 [pid 5831] getdents64(3, [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6697] <... chdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6696] ioctl(4, LOOP_SET_FD, 3 [pid 5831] close(3 [pid 5830] <... openat resumed>) = 3 [pid 6697] <... prctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] rmdir("./166" [pid 5830] <... ioctl resumed>) = 0 [pid 6697] setpgid(0, 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] close(3 [pid 6697] <... setpgid resumed>) = 0 [pid 6695] <... ioctl resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 6697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6695] close(3 [pid 5831] mkdir("./167", 0777 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6698 attached [pid 6698] set_robust_list(0x555567654760, 24 [pid 6697] <... openat resumed>) = 3 [pid 6695] <... close resumed>) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6698 [pid 6698] <... set_robust_list resumed>) = 0 [pid 6697] write(3, "1000", 4 [pid 6695] close(4 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6698] chdir("./169" [pid 6697] <... write resumed>) = 4 [pid 6695] <... close resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6697] close(3 [pid 6695] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6698] <... chdir resumed>) = 0 [pid 6697] <... close resumed>) = 0 [pid 6698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6697] symlink("/dev/binderfs", "./binderfs" [pid 6695] <... mkdir resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 6697] <... symlink resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6699 attached [pid 6698] <... prctl resumed>) = 0 [pid 6695] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""executing program [pid 6696] <... ioctl resumed>) = 0 [pid 6699] set_robust_list(0x555567654760, 24 [pid 6698] setpgid(0, 0 [pid 6697] write(1, "executing program\n", 18 [pid 6699] <... set_robust_list resumed>) = 0 [pid 6698] <... setpgid resumed>) = 0 [pid 6697] <... write resumed>) = 18 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6699 [pid 6698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6699] chdir("./167" [pid 6698] <... openat resumed>) = 3 [ 171.245175][ T6695] loop3: detected capacity change from 0 to 1024 [ 171.245282][ T6696] loop4: detected capacity change from 0 to 1024 [pid 6696] close(3 [pid 6699] <... chdir resumed>) = 0 [pid 6698] write(3, "1000", 4 [pid 6696] <... close resumed>) = 0 [pid 6699] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6698] <... write resumed>) = 4 [pid 6699] <... prctl resumed>) = 0 [pid 6698] close(3 [pid 6699] setpgid(0, 0 [pid 6698] <... close resumed>) = 0 [pid 6696] close(4 [pid 6699] <... setpgid resumed>) = 0 [pid 6698] symlink("/dev/binderfs", "./binderfs" [pid 6697] memfd_create("syzkaller", 0 [pid 6696] <... close resumed>) = 0 [pid 6699] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6696] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6699] <... openat resumed>) = 3 [pid 6698] <... symlink resumed>) = 0 [pid 6697] <... memfd_create resumed>) = 3 [pid 6696] <... mkdir resumed>) = 0 [pid 6696] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""executing program [pid 6699] write(3, "1000", 4 [pid 6698] write(1, "executing program\n", 18 [pid 6697] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6699] <... write resumed>) = 4 [pid 6698] <... write resumed>) = 18 [pid 6697] <... mmap resumed>) = 0x7fa6be400000 [pid 6695] <... mount resumed>) = 0 [pid 6696] <... mount resumed>) = 0 [pid 6696] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6695] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6696] <... openat resumed>) = 3 [pid 6696] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6696] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6696] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6699] close(3 [pid 6697] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6695] <... openat resumed>) = 3 [pid 6698] memfd_create("syzkaller", 0 [pid 6699] <... close resumed>) = 0 [pid 6698] <... memfd_create resumed>) = 3 [pid 6695] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6695] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6698] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6699] symlink("/dev/binderfs", "./binderfs" [pid 6698] <... mmap resumed>) = 0x7fa6be400000 [pid 6699] <... symlink resumed>) = 0 [pid 6696] <... mknod resumed>) = 0 [pid 6696] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6698] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6699] write(1, "executing program\n", 18 [pid 6695] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6696] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6695] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6696] sync( [pid 6699] <... write resumed>) = 18 [pid 6699] memfd_create("syzkaller", 0 [pid 6697] <... write resumed>) = 524288 [pid 6695] <... mknod resumed>) = 0 [pid 6699] <... memfd_create resumed>) = 3 [pid 6699] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6695] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6699] <... mmap resumed>) = 0x7fa6be400000 [pid 6698] <... write resumed>) = 524288 [pid 6697] munmap(0x7fa6be400000, 138412032 [pid 6698] munmap(0x7fa6be400000, 138412032 [pid 6699] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6697] <... munmap resumed>) = 0 [pid 6695] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6695] sync( [pid 6698] <... munmap resumed>) = 0 [pid 6698] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6698] ioctl(4, LOOP_SET_FD, 3 [pid 6697] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6697] ioctl(4, LOOP_SET_FD, 3 [pid 6699] <... write resumed>) = 524288 [pid 6698] <... ioctl resumed>) = 0 [pid 6699] munmap(0x7fa6be400000, 138412032 [pid 6697] <... ioctl resumed>) = 0 [pid 6698] close(3) = 0 [pid 6698] close(4 [pid 6699] <... munmap resumed>) = 0 [pid 6698] <... close resumed>) = 0 [pid 6699] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6698] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6697] close(3 [pid 6699] <... openat resumed>) = 4 [pid 6698] <... mkdir resumed>) = 0 [pid 6697] <... close resumed>) = 0 [pid 6699] ioctl(4, LOOP_SET_FD, 3 [pid 6697] close(4 [pid 6696] <... sync resumed>) = 0 [pid 6698] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6696] exit_group(0) = ? [pid 6696] +++ exited with 0 +++ [pid 6695] <... sync resumed>) = 0 [pid 6697] <... close resumed>) = 0 [pid 6695] exit_group(0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6696, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6697] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6695] <... exit_group resumed>) = ? [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6699] <... ioctl resumed>) = 0 [pid 6699] close(3) = 0 [pid 6699] close(4) = 0 [pid 6697] <... mkdir resumed>) = 0 [pid 5833] umount2("./166", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6699] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6695] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6699] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] openat(AT_FDCWD, "./166", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6695, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] <... openat resumed>) = 3 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5833] newfstatat(3, "", [pid 6697] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6698] <... mount resumed>) = 0 [pid 5833] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6698] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6698] <... openat resumed>) = 3 [pid 5832] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [ 171.411251][ T6698] loop1: detected capacity change from 0 to 1024 [ 171.420392][ T6697] loop0: detected capacity change from 0 to 1024 [ 171.450781][ T6699] loop2: detected capacity change from 0 to 1024 [pid 6698] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6698] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6698] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6699] <... mount resumed>) = 0 [pid 6699] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6699] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6699] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6698] <... mknod resumed>) = 0 [pid 6699] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... umount2 resumed>) = 0 [pid 6698] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6697] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6697] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6697] <... openat resumed>) = 3 [pid 6697] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6697] <... chdir resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6697] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6697] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] newfstatat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6699] <... mknod resumed>) = 0 [pid 6699] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6697] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6698] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6698] sync( [pid 5833] <... openat resumed>) = 4 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(4, "", [pid 5832] getdents64(4, [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6699] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] getdents64(4, [pid 5832] close(4 [pid 6699] sync( [pid 5832] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] rmdir("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6697] <... mknod resumed>) = 0 [pid 5833] close(4 [pid 5832] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... close resumed>) = 0 [pid 6697] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] rmdir("./166/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./168/binderfs", [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./168/binderfs" [pid 5833] umount2("./166/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./166/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./166/binderfs") = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5833] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 5833] close(3) = 0 [pid 6697] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./166" [pid 5832] <... close resumed>) = 0 [pid 6697] sync( [pid 5832] rmdir("./168" [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5832] mkdir("./169", 0777 [pid 5833] mkdir("./167", 0777 [pid 6699] <... sync resumed>) = 0 [pid 6698] <... sync resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6699] exit_group(0 [pid 6697] <... sync resumed>) = 0 [pid 6697] exit_group(0) = ? [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6699] <... exit_group resumed>) = ? [pid 6697] +++ exited with 0 +++ [pid 5832] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6697, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] close(3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6698] exit_group(0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6698] <... exit_group resumed>) = ? [pid 5833] <... openat resumed>) = 3 [pid 6698] +++ exited with 0 +++ [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6699] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6698, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] <... restart_syscall resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6699, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5829] getdents64(3, [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] getdents64(3, [pid 5829] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6700 attached [pid 5831] newfstatat(3, "", [pid 6700] set_robust_list(0x555567654760, 24) = 0 [pid 6700] chdir("./167" [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6700] <... chdir resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] getdents64(3, [pid 6700] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6700] setpgid(0, 0) = 0 [pid 6700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6700 [pid 5831] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6701 attached [pid 6700] <... openat resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6701 [pid 6700] write(3, "1000", 4 [pid 6701] set_robust_list(0x555567654760, 24 [pid 6700] <... write resumed>) = 4 [pid 6700] close(3) = 0 [pid 6700] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6700] write(1, "executing program\n", 18 [pid 5829] <... umount2 resumed>) = 0 [pid 6701] <... set_robust_list resumed>) = 0 [pid 6700] <... write resumed>) = 18 [pid 6700] memfd_create("syzkaller", 0) = 3 [pid 6700] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6701] chdir("./169" [pid 5829] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6701] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6701] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5829] newfstatat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6701] setpgid(0, 0) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6700] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6701] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6701] write(3, "1000", 4 [pid 6700] <... write resumed>) = 524288 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6701] <... write resumed>) = 4 [pid 6701] close(3 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] getdents64(4, [pid 6701] <... close resumed>) = 0 [pid 6701] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4executing program [pid 6701] <... symlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6701] write(1, "executing program\n", 18 [pid 5829] rmdir("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6701] <... write resumed>) = 18 [pid 5829] <... rmdir resumed>) = 0 [pid 5830] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./173/binderfs", [pid 6701] memfd_create("syzkaller", 0 [pid 5831] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6701] <... memfd_create resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6701] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] newfstatat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] unlink("./173/binderfs" [pid 6701] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... unlink resumed>) = 0 [pid 5831] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 4 [pid 5829] getdents64(3, [pid 5831] openat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] newfstatat(4, "", [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] close(3 [pid 5831] newfstatat(4, "", [pid 5830] getdents64(4, [pid 5829] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] rmdir("./173" [pid 6700] munmap(0x7fa6be400000, 138412032 [pid 5831] getdents64(4, [pid 5830] getdents64(4, [pid 5829] <... rmdir resumed>) = 0 [pid 6700] <... munmap resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5831] close(4 [pid 5830] <... close resumed>) = 0 [pid 5829] mkdir("./174", 0777 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6701] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6700] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6701] <... write resumed>) = 524288 [pid 6700] <... openat resumed>) = 4 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6700] ioctl(4, LOOP_SET_FD, 3 [pid 5831] newfstatat(AT_FDCWD, "./167/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./169/binderfs", [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5831] unlink("./167/binderfs") = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... ioctl resumed>) = 0 [pid 5830] unlink("./169/binderfs" [pid 5829] close(3 [pid 5831] getdents64(3, [pid 5830] <... unlink resumed>) = 0 [pid 5830] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./169" [pid 5831] <... close resumed>) = 0 [pid 5831] rmdir("./167" [pid 5830] <... rmdir resumed>) = 0 [pid 5830] mkdir("./170", 0777 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5831] mkdir("./168", 0777 [pid 6701] munmap(0x7fa6be400000, 138412032) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6701] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] <... openat resumed>) = 3 [pid 6701] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6701] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... ioctl resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] close(3 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... close resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3./strace-static-x86_64: Process 6702 attached [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6702 [pid 6702] set_robust_list(0x555567654760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6703 [pid 6702] <... set_robust_list resumed>) = 0 [pid 6700] <... ioctl resumed>) = 0 [pid 6702] chdir("./174" [pid 6700] close(3) = 0 [pid 6700] close(4 [pid 6702] <... chdir resumed>) = 0 [pid 6702] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6702] setpgid(0, 0) = 0 [pid 6702] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... close resumed>) = 0 [pid 6700] <... close resumed>) = 0 [pid 6700] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6702] <... openat resumed>) = 3 [pid 6700] <... mkdir resumed>) = 0 [pid 6700] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""./strace-static-x86_64: Process 6703 attached [pid 6702] write(3, "1000", 4) = 4 [pid 6702] close(3) = 0 [pid 6702] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6702] write(1, "executing program\n", 18) = 18 [pid 6702] memfd_create("syzkaller", 0) = 3 [pid 6702] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6701] <... ioctl resumed>) = 0 [pid 6703] set_robust_list(0x555567654760, 24 [pid 6702] <... mmap resumed>) = 0x7fa6be400000 [pid 6703] <... set_robust_list resumed>) = 0 [pid 6701] close(3 [pid 6703] chdir("./170" [pid 6702] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6701] <... close resumed>) = 0 [pid 6701] close(4 [pid 6703] <... chdir resumed>) = 0 [pid 6701] <... close resumed>) = 0 [pid 6701] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6701] <... mkdir resumed>) = 0 [pid 6703] <... prctl resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6703] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6704 attached [pid 6703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6700] <... mount resumed>) = 0 [pid 6703] write(3, "1000", 4 [pid 6704] set_robust_list(0x555567654760, 24 [pid 6700] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6703] <... write resumed>) = 4 [pid 6704] <... set_robust_list resumed>) = 0 [pid 6703] close(3 [pid 6700] <... openat resumed>) = 3 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6704 [pid 6703] <... close resumed>) = 0 [pid 6704] chdir("./168" [pid 6701] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6700] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6703] symlink("/dev/binderfs", "./binderfs" [pid 6700] <... chdir resumed>) = 0 [pid 6704] <... chdir resumed>) = 0 [pid 6700] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6704] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6703] <... symlink resumed>) = 0 [pid 6704] <... prctl resumed>) = 0 [pid 6700] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6700] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6704] setpgid(0, 0) = 0 [ 171.685450][ T6700] loop4: detected capacity change from 0 to 1024 [ 171.708377][ T6701] loop3: detected capacity change from 0 to 1024 [pid 6704] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6703] write(1, "executing program\n", 18 [pid 6702] <... write resumed>) = 524288 executing program [pid 6704] write(3, "1000", 4 [pid 6703] <... write resumed>) = 18 [pid 6704] <... write resumed>) = 4 [pid 6703] memfd_create("syzkaller", 0 [pid 6700] <... mknod resumed>) = 0 [pid 6703] <... memfd_create resumed>) = 3 [pid 6704] close(3) = 0 [pid 6704] symlink("/dev/binderfs", "./binderfs" [pid 6703] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6704] <... symlink resumed>) = 0 [pid 6703] <... mmap resumed>) = 0x7fa6be400000 [pid 6700] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6704] write(1, "executing program\n", 18) = 18 [pid 6704] memfd_create("syzkaller", 0) = 3 [pid 6704] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6704] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6702] munmap(0x7fa6be400000, 138412032) = 0 [pid 6703] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6701] <... mount resumed>) = 0 [pid 6701] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6700] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6702] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6700] sync( [pid 6701] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6702] ioctl(4, LOOP_SET_FD, 3 [pid 6701] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6701] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6703] <... write resumed>) = 524288 [pid 6703] munmap(0x7fa6be400000, 138412032 [pid 6701] <... mknod resumed>) = 0 [pid 6703] <... munmap resumed>) = 0 [pid 6703] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6703] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6703] ioctl(4, LOOP_CLR_FD [pid 6704] <... write resumed>) = 524288 [pid 6703] <... ioctl resumed>) = 0 [pid 6701] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6704] munmap(0x7fa6be400000, 138412032) = 0 [pid 6704] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6703] ioctl(4, LOOP_SET_FD, 3 [pid 6704] ioctl(4, LOOP_SET_FD, 3 [pid 6703] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6701] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6701] sync( [pid 6703] close(4) = 0 [pid 6704] <... ioctl resumed>) = 0 [pid 6703] close(3 [pid 6702] <... ioctl resumed>) = 0 [pid 6700] <... sync resumed>) = 0 [pid 6702] close(3) = 0 [pid 6702] close(4) = 0 [pid 6702] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6703] <... close resumed>) = 0 [pid 6702] <... mkdir resumed>) = 0 [pid 6700] exit_group(0) = ? [pid 6700] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6700, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6702] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6704] close(3 [pid 5833] umount2("./167", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6704] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./167", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6704] close(4 [pid 5833] <... openat resumed>) = 3 [pid 6704] <... close resumed>) = 0 [pid 6703] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6702] <... mount resumed>) = 0 [pid 6701] <... sync resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 6704] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6702] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6701] exit_group(0 [pid 6704] <... mkdir resumed>) = 0 [pid 6703] <... mknod resumed>) = 0 [pid 6702] <... openat resumed>) = 3 [pid 6704] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "") = 0 [pid 6703] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6702] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6701] <... exit_group resumed>) = ? [pid 6704] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6703] <... link resumed>) = 0 [pid 6702] <... chdir resumed>) = 0 [pid 6701] +++ exited with 0 +++ [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6704] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6701, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6704] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6704] <... chdir resumed>) = 0 [pid 6702] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6704] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6703] sync( [pid 6702] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] getdents64(3, [pid 6704] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 171.821074][ T6702] loop0: detected capacity change from 0 to 1024 [ 171.850180][ T6704] loop2: detected capacity change from 0 to 1024 [pid 6704] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6702] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5833] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6704] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6702] <... mknod resumed>) = 0 [pid 6702] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6704] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6704] sync( [pid 5833] <... umount2 resumed>) = 0 [pid 5833] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6702] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6702] sync( [pid 5833] <... openat resumed>) = 4 [pid 6703] <... sync resumed>) = 0 [pid 6703] exit_group(0) = ? [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6703] +++ exited with 0 +++ [pid 5833] getdents64(4, [pid 5832] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6703, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5832] newfstatat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6704] <... sync resumed>) = 0 [pid 6702] <... sync resumed>) = 0 [pid 6704] exit_group(0 [pid 6702] exit_group(0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] openat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6704] <... exit_group resumed>) = ? [pid 6702] <... exit_group resumed>) = ? [pid 6704] +++ exited with 0 +++ [pid 6702] +++ exited with 0 +++ [pid 5833] close(4 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6704, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6702, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5833] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] rmdir("./167/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] getdents64(4, [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] getdents64(4, [pid 5831] <... restart_syscall resumed>) = 0 [pid 5831] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./167/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... restart_syscall resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] close(4 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./167/binderfs", [pid 5831] newfstatat(3, "", [pid 5832] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] rmdir("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(3, [pid 5832] <... rmdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./169/binderfs") = 0 [pid 5832] getdents64(3, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] unlink("./167/binderfs" [pid 5829] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 5830] <... openat resumed>) = 3 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] newfstatat(3, "", [pid 5829] <... openat resumed>) = 3 [pid 5833] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(3, "", [pid 5833] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] rmdir("./167" [pid 5830] getdents64(3, [pid 5829] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./169" [pid 5833] <... rmdir resumed>) = 0 [pid 5833] mkdir("./168", 0777 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5832] mkdir("./170", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5830] newfstatat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5831] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] close(3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5831] <... openat resumed>) = 4 [pid 5830] unlink("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3) = 0 [pid 5831] newfstatat(4, "", [pid 5830] <... unlink resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] getdents64(4, [pid 5830] newfstatat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6705 attached [pid 5831] close(4) = 0 [pid 5831] rmdir("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6705 [pid 6705] set_robust_list(0x555567654760, 24 [pid 5830] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6705] <... set_robust_list resumed>) = 0 [pid 5831] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] unlink("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./168/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./168/binderfs" [pid 5830] <... unlink resumed>) = 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6705] chdir("./170" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6705] <... chdir resumed>) = 0 [pid 5831] getdents64(3, [pid 6705] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6705] <... prctl resumed>) = 0 [pid 6705] setpgid(0, 0 [pid 5831] close(3) = 0 [pid 6705] <... setpgid resumed>) = 0 [pid 6705] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] newfstatat(AT_FDCWD, "./170/binderfs", [pid 5829] <... umount2 resumed>) = 0 [pid 5831] rmdir("./168" [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6705] <... openat resumed>) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] unlink("./170/binderfs" [pid 5831] mkdir("./169", 0777 [pid 5830] <... unlink resumed>) = 0 [pid 5829] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 6705] write(3, "1000", 4 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 6705] <... write resumed>) = 4 [pid 6705] close(3 [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] rmdir("./170" [pid 6705] <... close resumed>) = 0 [pid 6705] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6706 attached [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] mkdir("./171", 0777 [pid 5829] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] openat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 4 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(4, "", [pid 5831] <... close resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6706 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6706] set_robust_list(0x555567654760, 24./strace-static-x86_64: Process 6707 attached ) = 0 [pid 5830] close(3 [pid 5829] getdents64(4, executing program [pid 6707] set_robust_list(0x555567654760, 24 [pid 6706] chdir("./168" [pid 6705] <... symlink resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6707 [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6706] <... chdir resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6706] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6707] <... set_robust_list resumed>) = 0 [pid 6705] write(1, "executing program\n", 18 [pid 6707] chdir("./169" [pid 6705] <... write resumed>) = 18 [pid 6705] memfd_create("syzkaller", 0 [pid 6707] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 6708 attached [pid 6707] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6706] <... prctl resumed>) = 0 [pid 5829] getdents64(4, [pid 6708] set_robust_list(0x555567654760, 24 [pid 6706] setpgid(0, 0 [pid 6705] <... memfd_create resumed>) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6708 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6705] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6707] <... prctl resumed>) = 0 [pid 6705] <... mmap resumed>) = 0x7fa6be400000 [pid 6708] <... set_robust_list resumed>) = 0 [pid 6707] setpgid(0, 0 [pid 6706] <... setpgid resumed>) = 0 [pid 5829] close(4 [pid 6707] <... setpgid resumed>) = 0 [pid 6707] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6706] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5829] <... close resumed>) = 0 [pid 6708] chdir("./171" [pid 6707] <... openat resumed>) = 3 [pid 5829] rmdir("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6708] <... chdir resumed>) = 0 [pid 6707] write(3, "1000", 4) = 4 [pid 6707] close(3) = 0 [pid 6707] symlink("/dev/binderfs", "./binderfs" [pid 6708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6707] <... symlink resumed>) = 0 [pid 6706] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 6708] <... prctl resumed>) = 0 [pid 6706] write(3, "1000", 4 [pid 5829] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6708] setpgid(0, 0 [pid 6706] <... write resumed>) = 4 [pid 6708] <... setpgid resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6706] close(3 [pid 6708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6706] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./174/binderfs", executing program [pid 6707] write(1, "executing program\n", 18 [pid 6708] <... openat resumed>) = 3 [pid 6707] <... write resumed>) = 18 [pid 6706] symlink("/dev/binderfs", "./binderfs" [pid 6705] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6708] write(3, "1000", 4 [pid 6707] memfd_create("syzkaller", 0 [pid 6706] <... symlink resumed>) = 0 [pid 5829] unlink("./174/binderfs" [pid 6708] <... write resumed>) = 4 [pid 6708] close(3) = 0 [pid 6707] <... memfd_create resumed>) = 3 [pid 6708] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6707] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6706] write(1, "executing program\n", 18 [pid 5829] <... unlink resumed>) = 0 executing program executing program [pid 6708] write(1, "executing program\n", 18 [pid 6706] <... write resumed>) = 18 [pid 5829] getdents64(3, [pid 6707] <... mmap resumed>) = 0x7fa6be400000 [pid 6708] <... write resumed>) = 18 [pid 6706] memfd_create("syzkaller", 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6708] memfd_create("syzkaller", 0 [pid 6706] <... memfd_create resumed>) = 3 [pid 5829] close(3 [pid 6708] <... memfd_create resumed>) = 3 [pid 6706] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6705] <... write resumed>) = 524288 [pid 5829] <... close resumed>) = 0 [pid 6708] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5829] rmdir("./174" [pid 6708] <... mmap resumed>) = 0x7fa6be400000 [pid 6706] <... mmap resumed>) = 0x7fa6be400000 [pid 6707] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] <... rmdir resumed>) = 0 [pid 6705] munmap(0x7fa6be400000, 138412032) = 0 [pid 6705] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6705] ioctl(4, LOOP_SET_FD, 3 [pid 5829] mkdir("./175", 0777) = 0 [pid 6706] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6708] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6707] <... write resumed>) = 524288 [pid 5829] close(3) = 0 [pid 6707] munmap(0x7fa6be400000, 138412032 [pid 6708] <... write resumed>) = 524288 [pid 6706] <... write resumed>) = 524288 [pid 6705] <... ioctl resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6707] <... munmap resumed>) = 0 [pid 6705] close(3 [pid 6708] munmap(0x7fa6be400000, 138412032 [pid 6705] <... close resumed>) = 0 [pid 6708] <... munmap resumed>) = 0 [pid 6705] close(4) = 0 [pid 6705] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6707] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6705] <... mkdir resumed>) = 0 [pid 6708] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6707] <... openat resumed>) = 4 ./strace-static-x86_64: Process 6709 attached [pid 6707] ioctl(4, LOOP_SET_FD, 3 [pid 6708] <... openat resumed>) = 4 [ 172.128423][ T6705] loop3: detected capacity change from 0 to 1024 [pid 6709] set_robust_list(0x555567654760, 24 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6709 [pid 6708] ioctl(4, LOOP_SET_FD, 3 [pid 6705] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6709] <... set_robust_list resumed>) = 0 [pid 6708] <... ioctl resumed>) = 0 [pid 6706] munmap(0x7fa6be400000, 138412032 [pid 6709] chdir("./175" [pid 6706] <... munmap resumed>) = 0 [pid 6709] <... chdir resumed>) = 0 [pid 6706] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6706] <... openat resumed>) = 4 [pid 6709] <... prctl resumed>) = 0 [pid 6706] ioctl(4, LOOP_SET_FD, 3 [pid 6709] setpgid(0, 0) = 0 [pid 6709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6709] write(3, "1000", 4) = 4 [pid 6709] close(3 [pid 6707] <... ioctl resumed>) = 0 [pid 6709] <... close resumed>) = 0 [pid 6709] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6707] close(3 [pid 6709] write(1, "executing program\n", 18executing program ) = 18 [pid 6707] <... close resumed>) = 0 [pid 6706] <... ioctl resumed>) = 0 [pid 6705] <... mount resumed>) = 0 [pid 6708] close(3 [pid 6707] close(4 [pid 6705] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6708] <... close resumed>) = 0 [pid 6708] close(4 [pid 6707] <... close resumed>) = 0 [pid 6705] <... openat resumed>) = 3 [pid 6708] <... close resumed>) = 0 [pid 6707] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6705] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6708] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6707] <... mkdir resumed>) = 0 [pid 6705] <... chdir resumed>) = 0 [pid 6709] memfd_create("syzkaller", 0 [pid 6708] <... mkdir resumed>) = 0 [pid 6706] close(3 [pid 6705] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6709] <... memfd_create resumed>) = 3 [pid 6708] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6707] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6706] <... close resumed>) = 0 [pid 6705] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6709] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6706] close(4 [pid 6705] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6709] <... mmap resumed>) = 0x7fa6be400000 [pid 6706] <... close resumed>) = 0 [pid 6706] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6709] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6706] <... mkdir resumed>) = 0 [ 172.171513][ T6707] loop2: detected capacity change from 0 to 1024 [ 172.180609][ T6708] loop1: detected capacity change from 0 to 1024 [ 172.195884][ T6706] loop4: detected capacity change from 0 to 1024 [pid 6705] <... mknod resumed>) = 0 [pid 6707] <... mount resumed>) = 0 [pid 6706] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6705] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6707] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6707] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6707] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6707] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6705] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6707] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6708] <... mount resumed>) = 0 [pid 6708] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6709] <... write resumed>) = 524288 [pid 6708] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6709] munmap(0x7fa6be400000, 138412032 [pid 6708] <... chdir resumed>) = 0 [pid 6705] sync( [pid 6709] <... munmap resumed>) = 0 [pid 6708] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6709] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6708] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6709] <... openat resumed>) = 4 [pid 6709] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6707] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6707] sync( [pid 6709] close(3) = 0 [pid 6709] close(4 [pid 6708] <... mknod resumed>) = 0 [pid 6709] <... close resumed>) = 0 [pid 6709] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6708] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6709] <... mkdir resumed>) = 0 [pid 6706] <... mount resumed>) = 0 [pid 6709] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6706] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6706] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6709] <... mount resumed>) = 0 [pid 6708] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6706] <... chdir resumed>) = 0 [pid 6709] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6708] sync( [pid 6706] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6709] <... openat resumed>) = 3 [pid 6706] <... openat resumed>) = -1 EBUSY (Device or resource busy) [ 172.300984][ T6709] loop0: detected capacity change from 0 to 1024 [pid 6709] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6706] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6709] <... chdir resumed>) = 0 [pid 6709] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6709] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6706] <... mknod resumed>) = 0 [pid 6706] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6709] <... mknod resumed>) = 0 [pid 6709] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6708] <... sync resumed>) = 0 [pid 6707] <... sync resumed>) = 0 [pid 6708] exit_group(0 [pid 6707] exit_group(0 [pid 6706] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6707] <... exit_group resumed>) = ? [pid 6709] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6708] <... exit_group resumed>) = ? [pid 6707] +++ exited with 0 +++ [pid 6706] sync( [pid 6709] sync( [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6707, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6705] <... sync resumed>) = 0 [pid 6705] exit_group(0) = ? [pid 5831] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6708] +++ exited with 0 +++ [pid 6705] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6708, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6705, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5831] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... restart_syscall resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 5832] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6709] <... sync resumed>) = 0 [pid 6706] <... sync resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6709] exit_group(0 [pid 6706] exit_group(0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 6709] <... exit_group resumed>) = ? [pid 6706] <... exit_group resumed>) = ? [pid 5832] newfstatat(3, "", [pid 5830] newfstatat(3, "", [pid 6709] +++ exited with 0 +++ [pid 6706] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6706, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6709, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] umount2("./168", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./168", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... openat resumed>) = 3 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] newfstatat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5833] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(3, "", [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 5831] openat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... openat resumed>) = 4 [pid 5829] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 5831] close(4) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5831] rmdir("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] <... umount2 resumed>) = 0 [pid 5832] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./169/binderfs", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] newfstatat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] openat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] unlink("./169/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] openat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(4, "", [pid 5833] openat(AT_FDCWD, "./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5832] newfstatat(4, "", [pid 5831] getdents64(3, [pid 5830] getdents64(4, [pid 5829] <... openat resumed>) = 4 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(4, "", [pid 5831] close(3 [pid 5833] getdents64(4, [pid 5831] <... close resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 5829] getdents64(4, [pid 5833] getdents64(4, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] rmdir("./169" [pid 5830] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] getdents64(4, [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] getdents64(4, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5829] close(4 [pid 5833] close(4 [pid 5832] <... close resumed>) = 0 [pid 5831] mkdir("./170", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] rmdir("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] rmdir("./168/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] rmdir("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(AT_FDCWD, "./171/binderfs", [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] unlink("./171/binderfs" [pid 5829] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 3 [pid 5832] newfstatat(AT_FDCWD, "./170/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(AT_FDCWD, "./175/binderfs", [pid 5833] umount2("./168/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3 [pid 5833] newfstatat(AT_FDCWD, "./168/binderfs", [pid 5832] unlink("./170/binderfs" [pid 5831] close(3 [pid 5830] <... close resumed>) = 0 [pid 5829] unlink("./175/binderfs" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./171" [pid 5829] <... unlink resumed>) = 0 [pid 5833] unlink("./168/binderfs" [pid 5832] getdents64(3, [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... rmdir resumed>) = 0 [pid 5829] getdents64(3, [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] mkdir("./172", 0777 [pid 5832] close(3 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6710 attached [pid 6710] set_robust_list(0x555567654760, 24 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6710 [pid 5829] close(3 [pid 6710] <... set_robust_list resumed>) = 0 [pid 5833] getdents64(3, [pid 6710] chdir("./170" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./170" [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] <... close resumed>) = 0 [pid 5833] close(3 [pid 5829] rmdir("./175" [pid 6710] <... chdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] rmdir("./168" [pid 6710] <... prctl resumed>) = 0 [pid 5832] mkdir("./171", 0777 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6710] setpgid(0, 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 5829] mkdir("./176", 0777 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] close(3 [pid 6710] <... setpgid resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] mkdir("./169", 0777 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6711 attached [pid 6710] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6712 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6711 ./strace-static-x86_64: Process 6712 attached [pid 6710] write(3, "1000", 4 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] <... openat resumed>) = 3 [pid 6712] set_robust_list(0x555567654760, 24 [pid 6710] <... write resumed>) = 4 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6712] <... set_robust_list resumed>) = 0 [pid 6711] set_robust_list(0x555567654760, 24 [pid 6710] close(3 [pid 5833] <... openat resumed>) = 3 [pid 5829] <... ioctl resumed>) = 0 [pid 6711] <... set_robust_list resumed>) = 0 [pid 5829] close(3 [pid 6711] chdir("./172" [pid 6710] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6711] <... chdir resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6710] symlink("/dev/binderfs", "./binderfs" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6712] chdir("./171" [pid 6711] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6711] setpgid(0, 0) = 0 [pid 6711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program ./strace-static-x86_64: Process 6713 attached [pid 6712] <... chdir resumed>) = 0 [pid 6711] <... openat resumed>) = 3 [pid 6710] <... symlink resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6713 [pid 6713] set_robust_list(0x555567654760, 24 [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6710] write(1, "executing program\n", 18 [pid 5833] close(3 [pid 6713] <... set_robust_list resumed>) = 0 [pid 6712] <... prctl resumed>) = 0 [pid 6711] write(3, "1000", 4 [pid 6710] <... write resumed>) = 18 [pid 5833] <... close resumed>) = 0 [pid 6713] chdir("./176" [pid 6712] setpgid(0, 0 [pid 6710] memfd_create("syzkaller", 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6712] <... setpgid resumed>) = 0 [pid 6711] <... write resumed>) = 4 [pid 6710] <... memfd_create resumed>) = 3 ./strace-static-x86_64: Process 6714 attached [pid 6714] set_robust_list(0x555567654760, 24) = 0 [pid 6714] chdir("./169") = 0 [pid 6714] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6714] setpgid(0, 0 [pid 6711] close(3 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6714 [pid 6713] <... chdir resumed>) = 0 [pid 6713] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6711] <... close resumed>) = 0 [pid 6714] <... setpgid resumed>) = 0 [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6713] <... prctl resumed>) = 0 [pid 6710] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6714] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6713] setpgid(0, 0 [pid 6711] symlink("/dev/binderfs", "./binderfs" [pid 6710] <... mmap resumed>) = 0x7fa6be400000 [pid 6711] <... symlink resumed>) = 0 [pid 6714] <... openat resumed>) = 3 executing program [pid 6714] write(3, "1000", 4 [pid 6711] write(1, "executing program\n", 18 [pid 6714] <... write resumed>) = 4 [pid 6711] <... write resumed>) = 18 [pid 6714] close(3 [pid 6711] memfd_create("syzkaller", 0 [pid 6714] <... close resumed>) = 0 [pid 6711] <... memfd_create resumed>) = 3 [pid 6713] <... setpgid resumed>) = 0 [pid 6714] symlink("/dev/binderfs", "./binderfs" [pid 6711] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6714] <... symlink resumed>) = 0 [pid 6713] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6712] <... openat resumed>) = 3 [pid 6711] <... mmap resumed>) = 0x7fa6be400000 [pid 6713] <... openat resumed>) = 3 [pid 6712] write(3, "1000", 4 [pid 6710] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6713] write(3, "1000", 4 [pid 6712] <... write resumed>) = 4 executing program [pid 6714] write(1, "executing program\n", 18 [pid 6713] <... write resumed>) = 4 [pid 6712] close(3 [pid 6710] <... write resumed>) = 524288 [pid 6714] <... write resumed>) = 18 [pid 6714] memfd_create("syzkaller", 0 [pid 6713] close(3 [pid 6712] <... close resumed>) = 0 [pid 6713] <... close resumed>) = 0 [pid 6713] symlink("/dev/binderfs", "./binderfs" [pid 6712] symlink("/dev/binderfs", "./binderfs" [pid 6714] <... memfd_create resumed>) = 3 [pid 6713] <... symlink resumed>) = 0 [pid 6712] <... symlink resumed>) = 0 [pid 6711] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288executing program executing program [pid 6714] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6713] write(1, "executing program\n", 18 [pid 6712] write(1, "executing program\n", 18 [pid 6713] <... write resumed>) = 18 [pid 6712] <... write resumed>) = 18 [pid 6713] memfd_create("syzkaller", 0 [pid 6712] memfd_create("syzkaller", 0 [pid 6711] <... write resumed>) = 524288 [pid 6712] <... memfd_create resumed>) = 3 [pid 6713] <... memfd_create resumed>) = 3 [pid 6712] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6713] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6714] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6713] <... mmap resumed>) = 0x7fa6be400000 [pid 6712] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6710] munmap(0x7fa6be400000, 138412032 [pid 6711] munmap(0x7fa6be400000, 138412032) = 0 [pid 6711] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6711] ioctl(4, LOOP_SET_FD, 3 [pid 6713] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6710] <... munmap resumed>) = 0 [pid 6714] <... write resumed>) = 524288 [pid 6712] <... write resumed>) = 524288 [pid 6710] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6710] ioctl(4, LOOP_SET_FD, 3 [pid 6714] munmap(0x7fa6be400000, 138412032) = 0 [pid 6714] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6714] ioctl(4, LOOP_CLR_FD) = 0 [pid 6714] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6714] close(4) = 0 [pid 6714] close(3) = 0 [pid 6711] <... ioctl resumed>) = 0 [pid 6711] close(3) = 0 [pid 6711] close(4 [pid 6712] munmap(0x7fa6be400000, 138412032 [pid 6711] <... close resumed>) = 0 [pid 6711] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6714] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6711] <... mkdir resumed>) = 0 [pid 6714] <... mknod resumed>) = 0 [pid 6712] <... munmap resumed>) = 0 [pid 6712] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6714] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6712] <... openat resumed>) = 4 [pid 6711] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6712] ioctl(4, LOOP_SET_FD, 3 [pid 6714] <... link resumed>) = 0 [ 172.654822][ T6711] loop1: detected capacity change from 0 to 1024 [ 172.679770][ T6710] loop2: detected capacity change from 0 to 1024 [pid 6714] sync( [pid 6710] <... ioctl resumed>) = 0 [pid 6713] <... write resumed>) = 524288 [pid 6710] close(3 [pid 6713] munmap(0x7fa6be400000, 138412032 [pid 6710] <... close resumed>) = 0 [pid 6713] <... munmap resumed>) = 0 [pid 6711] <... mount resumed>) = 0 [pid 6710] close(4 [pid 6713] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6712] <... ioctl resumed>) = 0 [pid 6710] <... close resumed>) = 0 [pid 6710] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6713] <... openat resumed>) = 4 [pid 6712] close(3 [pid 6711] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6710] <... mkdir resumed>) = 0 [pid 6713] ioctl(4, LOOP_SET_FD, 3 [pid 6712] <... close resumed>) = 0 [pid 6711] <... openat resumed>) = 3 [pid 6710] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6712] close(4 [pid 6711] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6714] <... sync resumed>) = 0 [pid 6711] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6714] exit_group(0 [pid 6712] <... close resumed>) = 0 [pid 6712] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6711] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6714] <... exit_group resumed>) = ? [pid 6712] <... mkdir resumed>) = 0 [pid 6714] +++ exited with 0 +++ [pid 6711] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6712] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6714, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] umount2("./169", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6710] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6711] <... mknod resumed>) = 0 [pid 6711] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6713] <... ioctl resumed>) = 0 [pid 6710] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] openat(AT_FDCWD, "./169", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6713] close(3 [pid 5833] <... openat resumed>) = 3 [pid 6713] <... close resumed>) = 0 [pid 6710] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 6713] close(4 [pid 6710] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6713] <... close resumed>) = 0 [pid 6710] <... chdir resumed>) = 0 [ 172.712297][ T6712] loop3: detected capacity change from 0 to 1024 [ 172.750817][ T6713] loop0: detected capacity change from 0 to 1024 [pid 6713] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6710] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] getdents64(3, [pid 6713] <... mkdir resumed>) = 0 [pid 6710] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 6713] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6710] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6711] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... unlink resumed>) = 0 [pid 5833] umount2("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6711] sync( [pid 5833] newfstatat(AT_FDCWD, "./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6710] <... mknod resumed>) = 0 [pid 5833] unlink("./169/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6710] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./169/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./169/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./169/binderfs") = 0 [pid 5833] getdents64(3, [pid 6713] <... mount resumed>) = 0 [pid 6710] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6713] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6712] <... mount resumed>) = 0 [pid 6710] sync( [pid 6713] <... openat resumed>) = 3 [pid 6712] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6713] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6712] <... openat resumed>) = 3 [pid 6713] <... chdir resumed>) = 0 [pid 6712] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6713] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6712] <... chdir resumed>) = 0 [pid 6712] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] close(3) = 0 [pid 6713] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6712] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] rmdir("./169" [pid 6712] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... rmdir resumed>) = 0 [pid 6710] <... sync resumed>) = 0 [pid 6710] exit_group(0 [pid 5833] mkdir("./170", 0777) = 0 [pid 6713] <... mknod resumed>) = 0 [pid 6710] <... exit_group resumed>) = ? [pid 6713] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6710] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6710, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5833] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] close(3 [pid 6713] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6712] <... mknod resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6713] sync( [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6715 attached [pid 6712] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6715] set_robust_list(0x555567654760, 24 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6715] <... set_robust_list resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6715] chdir("./170" [pid 6711] <... sync resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 6715] <... chdir resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6715 [pid 5831] newfstatat(3, "", [pid 6715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6715] <... prctl resumed>) = 0 [pid 6711] exit_group(0 [pid 5831] getdents64(3, [pid 6712] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6711] <... exit_group resumed>) = ? [pid 6715] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6715] <... setpgid resumed>) = 0 [pid 5831] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6712] sync( [pid 6711] +++ exited with 0 +++ [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6711, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6715] write(3, "1000", 4) = 4 [pid 6715] close(3) = 0 [pid 6715] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6715] write(1, "executing program\n", 18 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6715] <... write resumed>) = 18 [pid 6715] memfd_create("syzkaller", 0 [pid 5830] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6715] <... memfd_create resumed>) = 3 [pid 6715] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 6715] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] getdents64(3, [pid 6712] <... sync resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6712] exit_group(0) = ? [pid 6713] <... sync resumed>) = 0 [pid 5831] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6713] exit_group(0 [pid 5831] newfstatat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6713] <... exit_group resumed>) = ? [pid 5831] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6713] +++ exited with 0 +++ [pid 5831] openat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6713, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5831] getdents64(4, [pid 5829] <... restart_syscall resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 6712] +++ exited with 0 +++ [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(4 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] rmdir("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6712, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] <... rmdir resumed>) = 0 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./170/binderfs", [pid 5829] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6715] <... write resumed>) = 524288 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(3, [pid 5830] newfstatat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] unlink("./170/binderfs" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] openat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] close(3) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5831] rmdir("./170" [pid 5830] newfstatat(4, "", [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] mkdir("./171", 0777) = 0 [pid 5830] getdents64(4, [pid 6715] munmap(0x7fa6be400000, 138412032) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] getdents64(4, [pid 5831] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(4 [pid 5831] close(3 [pid 5830] <... close resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... rmdir resumed>) = 0 [pid 6715] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6715] ioctl(4, LOOP_SET_FD, 3 [pid 5830] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6716 attached [pid 6716] set_robust_list(0x555567654760, 24 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... set_robust_list resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./172/binderfs", [pid 6716] chdir("./171" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6716 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6716] <... chdir resumed>) = 0 [pid 5830] unlink("./172/binderfs" [pid 6716] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 6716] setpgid(0, 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] <... umount2 resumed>) = 0 [pid 6716] <... setpgid resumed>) = 0 [pid 5832] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... close resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6716] <... openat resumed>) = 3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] rmdir("./172" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6716] write(3, "1000", 4 [pid 5832] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] <... write resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... rmdir resumed>) = 0 [pid 5829] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] close(3 [pid 5832] openat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] mkdir("./173", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... close resumed>) = 0 [pid 6715] <... ioctl resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5830] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", [pid 6716] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] newfstatat(4, "", [pid 6716] <... symlink resumed>) = 0 [pid 6715] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 6715] <... close resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] getdents64(4, [pid 6715] close(4 [pid 5830] <... openat resumed>) = 3 [pid 6715] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] close(4 [pid 6715] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... ioctl resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6715] <... mkdir resumed>) = 0 [pid 5832] rmdir("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] close(3executing program ) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(4, [pid 6716] write(1, "executing program\n", 18 [pid 5832] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] <... write resumed>) = 18 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6717 attached [pid 6716] memfd_create("syzkaller", 0 [pid 5829] close(4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... memfd_create resumed>) = 3 [pid 5829] <... close resumed>) = 0 [pid 6716] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] newfstatat(AT_FDCWD, "./171/binderfs", [ 172.981992][ T6715] loop4: detected capacity change from 0 to 1024 [pid 5829] rmdir("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6717] set_robust_list(0x555567654760, 24 [pid 6716] <... mmap resumed>) = 0x7fa6be400000 [pid 6715] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6717 [pid 5829] <... rmdir resumed>) = 0 [pid 6717] <... set_robust_list resumed>) = 0 [pid 5832] unlink("./171/binderfs" [pid 6717] chdir("./173" [pid 6716] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... unlink resumed>) = 0 [pid 5829] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6717] <... chdir resumed>) = 0 [pid 6717] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6717] <... prctl resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./176/binderfs", [pid 6717] setpgid(0, 0 [pid 5832] close(3 [pid 6717] <... setpgid resumed>) = 0 [pid 6716] <... write resumed>) = 524288 [pid 5832] <... close resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6717] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5832] rmdir("./171" [pid 5829] unlink("./176/binderfs" [pid 6717] <... openat resumed>) = 3 [pid 6716] munmap(0x7fa6be400000, 138412032 [pid 5832] <... rmdir resumed>) = 0 [pid 6717] write(3, "1000", 4 [pid 6716] <... munmap resumed>) = 0 [pid 5832] mkdir("./172", 0777 [pid 5829] <... unlink resumed>) = 0 [pid 6717] <... write resumed>) = 4 [pid 6716] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6715] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] getdents64(3, [pid 6717] close(3 [pid 6716] <... openat resumed>) = 4 [pid 6715] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6717] <... close resumed>) = 0 [pid 6716] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6717] symlink("/dev/binderfs", "./binderfs" [pid 6715] <... openat resumed>) = 3 [pid 6717] <... symlink resumed>) = 0 [pid 5829] close(3executing program [pid 6717] write(1, "executing program\n", 18 [pid 6715] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... close resumed>) = 0 [pid 6715] <... chdir resumed>) = 0 [pid 5829] rmdir("./176" [pid 6717] <... write resumed>) = 18 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6717] memfd_create("syzkaller", 0 [pid 6716] <... ioctl resumed>) = 0 [pid 6715] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 5829] <... rmdir resumed>) = 0 [pid 6717] <... memfd_create resumed>) = 3 [pid 6716] close(3 [pid 6715] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] mkdir("./177", 0777 [pid 6717] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6716] <... close resumed>) = 0 [pid 6715] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 5829] <... mkdir resumed>) = 0 [pid 6716] close(4 [pid 6717] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... close resumed>) = 0 [pid 6716] <... close resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6716] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6717] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6716] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... openat resumed>) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6715] <... mknod resumed>) = 0 [pid 6715] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6718 attached [ 173.079908][ T6716] loop2: detected capacity change from 0 to 1024 [pid 5829] close(3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6718 [pid 5829] <... close resumed>) = 0 [pid 6718] set_robust_list(0x555567654760, 24 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6718] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 6719 attached [pid 6718] chdir("./172" [pid 6719] set_robust_list(0x555567654760, 24 [pid 6718] <... chdir resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6719 [pid 6718] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6718] setpgid(0, 0) = 0 [pid 6719] <... set_robust_list resumed>) = 0 [pid 6718] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6716] <... mount resumed>) = 0 [pid 6719] chdir("./177" [pid 6718] <... openat resumed>) = 3 [pid 6717] <... write resumed>) = 524288 [pid 6716] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6715] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6719] <... chdir resumed>) = 0 [pid 6717] munmap(0x7fa6be400000, 138412032) = 0 [pid 6715] sync( [pid 6717] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6719] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6717] <... openat resumed>) = 4 [pid 6716] <... openat resumed>) = 3 [pid 6719] <... prctl resumed>) = 0 [pid 6718] write(3, "1000", 4 [pid 6717] ioctl(4, LOOP_SET_FD, 3 [pid 6716] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6719] setpgid(0, 0 [pid 6718] <... write resumed>) = 4 [pid 6718] close(3) = 0 [pid 6719] <... setpgid resumed>) = 0 [pid 6718] symlink("/dev/binderfs", "./binderfs" [pid 6716] <... chdir resumed>) = 0 [pid 6719] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6718] <... symlink resumed>) = 0 [pid 6716] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6718] write(1, "executing program\n", 18 [pid 6716] <... openat resumed>) = -1 EBUSY (Device or resource busy) executing program [pid 6718] <... write resumed>) = 18 [pid 6719] <... openat resumed>) = 3 [pid 6718] memfd_create("syzkaller", 0 [pid 6716] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6719] write(3, "1000", 4 [pid 6718] <... memfd_create resumed>) = 3 [pid 6715] <... sync resumed>) = 0 [pid 6719] <... write resumed>) = 4 [pid 6716] <... mknod resumed>) = 0 [pid 6719] close(3 [pid 6718] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6717] <... ioctl resumed>) = 0 [pid 6716] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6719] <... close resumed>) = 0 [pid 6719] symlink("/dev/binderfs", "./binderfs" [pid 6715] exit_group(0) = ? executing program [pid 6719] <... symlink resumed>) = 0 [pid 6718] <... mmap resumed>) = 0x7fa6be400000 [pid 6717] close(3 [pid 6715] +++ exited with 0 +++ [pid 6719] write(1, "executing program\n", 18) = 18 [pid 6719] memfd_create("syzkaller", 0 [pid 6717] <... close resumed>) = 0 [pid 6716] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6715, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6717] close(4 [pid 6719] <... memfd_create resumed>) = 3 [pid 6719] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6717] <... close resumed>) = 0 [pid 6716] sync( [pid 6719] <... mmap resumed>) = 0x7fa6be400000 [pid 6717] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./170", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./170", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6719] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6718] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6717] <... mkdir resumed>) = 0 [ 173.169195][ T6717] loop1: detected capacity change from 0 to 1024 [pid 6717] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "") = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6717] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6717] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6717] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6718] <... write resumed>) = 524288 [pid 6717] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6717] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] openat(AT_FDCWD, "./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6717] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... openat resumed>) = 4 [pid 6717] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6718] munmap(0x7fa6be400000, 138412032) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6718] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 5833] getdents64(4, [pid 6718] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6719] <... write resumed>) = 524288 [pid 6716] <... sync resumed>) = 0 [pid 5833] close(4 [pid 6719] munmap(0x7fa6be400000, 138412032 [pid 6717] <... mknod resumed>) = 0 [pid 6716] exit_group(0 [pid 6719] <... munmap resumed>) = 0 [pid 6717] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6716] <... exit_group resumed>) = ? [pid 6718] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./170/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] umount2("./170/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6716] +++ exited with 0 +++ [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./170/binderfs", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6716, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6719] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6718] close(3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6718] <... close resumed>) = 0 [pid 6718] close(4) = 0 [pid 5831] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, [pid 6718] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] unlink("./170/binderfs" [pid 6719] <... openat resumed>) = 4 [pid 5833] <... unlink resumed>) = 0 [pid 5833] getdents64(3, [pid 6719] ioctl(4, LOOP_SET_FD, 3 [pid 6718] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./170") = 0 [pid 5833] mkdir("./171", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 6718] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6719] <... ioctl resumed>) = 0 [pid 6717] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... ioctl resumed>) = 0 [pid 6719] close(3 [pid 6718] <... mount resumed>) = 0 [pid 6717] sync( [pid 5833] close(3 [pid 6719] <... close resumed>) = 0 [pid 6719] close(4 [pid 6718] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6719] <... close resumed>) = 0 [pid 6718] <... openat resumed>) = 3 [pid 6719] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6718] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = 0 [ 173.254968][ T6718] loop3: detected capacity change from 0 to 1024 [ 173.288720][ T6719] loop0: detected capacity change from 0 to 1024 [pid 6718] <... chdir resumed>) = 0 [pid 5831] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... close resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6720 attached [pid 6718] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6718] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6720 [pid 6720] set_robust_list(0x555567654760, 24) = 0 [pid 6720] chdir("./171" [pid 6718] <... mknod resumed>) = 0 [pid 6720] <... chdir resumed>) = 0 [pid 6718] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6720] <... prctl resumed>) = 0 [pid 5831] getdents64(4, [pid 6720] setpgid(0, 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6720] <... setpgid resumed>) = 0 [pid 5831] close(4 [pid 6720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... close resumed>) = 0 [pid 6720] <... openat resumed>) = 3 [pid 5831] rmdir("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6719] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6720] write(3, "1000", 4 [pid 5831] newfstatat(AT_FDCWD, "./171/binderfs", [pid 6720] <... write resumed>) = 4 [pid 6719] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6720] close(3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6720] <... close resumed>) = 0 [pid 5831] unlink("./171/binderfs") = 0 [pid 6720] symlink("/dev/binderfs", "./binderfs" [pid 5831] getdents64(3, [pid 6720] <... symlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6720] write(1, "executing program\n", 18 [pid 5831] <... close resumed>) = 0 executing program [pid 6720] <... write resumed>) = 18 [pid 5831] rmdir("./171" [pid 6720] memfd_create("syzkaller", 0 [pid 6718] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... rmdir resumed>) = 0 [pid 6720] <... memfd_create resumed>) = 3 [pid 5831] mkdir("./172", 0777 [pid 6720] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6718] sync( [pid 5831] <... mkdir resumed>) = 0 [pid 6720] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 6719] <... mount resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6719] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6719] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6717] <... sync resumed>) = 0 [pid 6719] <... chdir resumed>) = 0 [pid 6719] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6717] exit_group(0) = ? [pid 6720] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6719] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6717] +++ exited with 0 +++ [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6721 attached [pid 6719] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6717, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6719] <... mknod resumed>) = 0 [pid 6718] <... sync resumed>) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6719] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... restart_syscall resumed>) = 0 [pid 6721] set_robust_list(0x555567654760, 24 [pid 6718] exit_group(0 [pid 5830] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6721] <... set_robust_list resumed>) = 0 [pid 6720] <... write resumed>) = 524288 [pid 6718] <... exit_group resumed>) = ? [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6721 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6721] chdir("./172") = 0 [pid 6721] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6721] setpgid(0, 0) = 0 [pid 6721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6721] write(3, "1000", 4) = 4 [pid 6721] close(3) = 0 [pid 6721] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6718] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6719] <... link resumed>) = -1 ENOSPC (No space left on device) executing program [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6718, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 6721] write(1, "executing program\n", 18 [pid 6719] sync( [pid 5830] newfstatat(3, "", [pid 6721] <... write resumed>) = 18 [pid 6720] munmap(0x7fa6be400000, 138412032 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6721] memfd_create("syzkaller", 0 [pid 6720] <... munmap resumed>) = 0 [pid 5830] getdents64(3, [pid 6720] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6721] <... memfd_create resumed>) = 3 [pid 6720] ioctl(4, LOOP_SET_FD, 3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6721] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6721] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", [pid 5830] <... umount2 resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5830] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6721] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... rmdir resumed>) = 0 [pid 6720] <... ioctl resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5830] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./173/binderfs", [pid 6719] <... sync resumed>) = 0 [pid 6719] exit_group(0 [pid 5832] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./173/binderfs") = 0 [pid 5830] getdents64(3, [pid 6720] close(3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6720] <... close resumed>) = 0 [pid 6719] <... exit_group resumed>) = ? [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(3 [pid 6720] close(4 [pid 5830] <... close resumed>) = 0 [pid 6720] <... close resumed>) = 0 [pid 5830] rmdir("./173" [pid 5832] newfstatat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6720] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5830] <... rmdir resumed>) = 0 [pid 6720] <... mkdir resumed>) = 0 [pid 5830] mkdir("./174", 0777 [pid 6719] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6720] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6719, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... openat resumed>) = 3 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5832] openat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... restart_syscall resumed>) = 0 [pid 6721] <... write resumed>) = 524288 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6721] munmap(0x7fa6be400000, 138412032 [pid 5830] <... ioctl resumed>) = 0 [pid 6721] <... munmap resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 5832] newfstatat(4, "", [ 173.452416][ T6720] loop4: detected capacity change from 0 to 1024 [pid 5829] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6721] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] close(3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] getdents64(4, [pid 5829] <... openat resumed>) = 3 [pid 6721] <... openat resumed>) = 4 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] newfstatat(3, "", [pid 6721] ioctl(4, LOOP_SET_FD, 3 [pid 5832] getdents64(4, [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] getdents64(3, [pid 5832] close(4 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] rmdir("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6720] <... mount resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./172/binderfs", ./strace-static-x86_64: Process 6722 attached [pid 5829] <... umount2 resumed>) = 0 [pid 6720] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6722 [pid 6722] set_robust_list(0x555567654760, 24 [pid 6720] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6722] <... set_robust_list resumed>) = 0 [pid 6720] <... chdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6722] chdir("./174" [pid 6720] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6722] <... chdir resumed>) = 0 [pid 6720] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6720] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6722] <... prctl resumed>) = 0 [pid 5832] unlink("./172/binderfs" [pid 6722] setpgid(0, 0) = 0 [pid 6722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6722] write(3, "1000", 4) = 4 [pid 6722] close(3 [pid 5832] <... unlink resumed>) = 0 [pid 5829] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6722] <... close resumed>) = 0 [pid 6720] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] newfstatat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6722] symlink("/dev/binderfs", "./binderfs" [pid 6720] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6722] <... symlink resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6722] write(1, "executing program\n", 18) = 18 [pid 5832] rmdir("./172" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6722] memfd_create("syzkaller", 0 [pid 6721] <... ioctl resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6722] <... memfd_create resumed>) = 3 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 6722] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6721] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6722] <... mmap resumed>) = 0x7fa6be400000 [pid 6721] <... close resumed>) = 0 [pid 6721] close(4 [pid 6720] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] mkdir("./173", 0777 [pid 5829] getdents64(4, [pid 6722] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6721] <... close resumed>) = 0 [pid 6720] sync( [pid 5832] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6721] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5829] getdents64(4, [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] close(4 [pid 6721] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... close resumed>) = 0 [pid 5832] <... ioctl resumed>) = 0 [ 173.560893][ T6721] loop2: detected capacity change from 0 to 1024 [pid 5829] rmdir("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] close(3 [pid 5829] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6722] <... write resumed>) = 524288 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6722] munmap(0x7fa6be400000, 138412032 [pid 6720] <... sync resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./177/binderfs", [pid 6721] <... mount resumed>) = 0 [pid 6720] exit_group(0) = ? [pid 6720] +++ exited with 0 +++ [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6720, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] unlink("./177/binderfs" [pid 6722] <... munmap resumed>) = 0 [pid 6721] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... unlink resumed>) = 0 [pid 6721] <... openat resumed>) = 3 [pid 5829] getdents64(3, [pid 6721] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6722] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6721] <... chdir resumed>) = 0 [pid 6722] <... openat resumed>) = 4 [pid 6721] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6722] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5829] close(3 [pid 6721] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] rmdir("./177"./strace-static-x86_64: Process 6723 attached [pid 5833] umount2("./171", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 6721] <... mknod resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6723 [pid 5829] mkdir("./178", 0777 [pid 5833] openat(AT_FDCWD, "./171", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6723] set_robust_list(0x555567654760, 24 [pid 6721] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 6723] <... set_robust_list resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6723] chdir("./173" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6723] <... chdir resumed>) = 0 [pid 5833] getdents64(3, [pid 5829] ioctl(3, LOOP_CLR_FDexecuting program [pid 6723] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... ioctl resumed>) = 0 [pid 6723] <... prctl resumed>) = 0 [pid 5833] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 6723] setpgid(0, 0 [pid 6721] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6723] <... setpgid resumed>) = 0 [pid 6721] sync( [pid 6723] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6723] write(3, "1000", 4) = 4 [pid 6723] close(3) = 0 [pid 6723] symlink("/dev/binderfs", "./binderfs" [pid 5829] <... close resumed>) = 0 [pid 6723] <... symlink resumed>) = 0 [pid 6722] <... ioctl resumed>) = 0 [pid 6722] close(3 [pid 6723] write(1, "executing program\n", 18 [pid 6722] <... close resumed>) = 0 [pid 6723] <... write resumed>) = 18 [pid 6722] close(4) = 0 [pid 6723] memfd_create("syzkaller", 0 [pid 6722] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6723] <... memfd_create resumed>) = 3 [pid 6723] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [ 173.649980][ T6722] loop1: detected capacity change from 0 to 1024 [pid 6722] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6723] <... mmap resumed>) = 0x7fa6be400000 ./strace-static-x86_64: Process 6724 attached [pid 6723] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6724] set_robust_list(0x555567654760, 24 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6724 [pid 6724] <... set_robust_list resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6724] chdir("./178" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6724] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6724] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5833] openat(AT_FDCWD, "./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6724] setpgid(0, 0 [pid 5833] <... openat resumed>) = 4 [pid 6724] <... setpgid resumed>) = 0 [pid 6724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] newfstatat(4, "", [pid 6724] <... openat resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6724] write(3, "1000", 4 [pid 5833] getdents64(4, [pid 6724] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 executing program [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 6724] close(3 [pid 5833] <... close resumed>) = 0 [pid 6724] <... close resumed>) = 0 [pid 5833] rmdir("./171/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6724] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... rmdir resumed>) = 0 [pid 6724] <... symlink resumed>) = 0 [pid 5833] umount2("./171/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6724] write(1, "executing program\n", 18 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6724] <... write resumed>) = 18 [pid 5833] newfstatat(AT_FDCWD, "./171/binderfs", [pid 6724] memfd_create("syzkaller", 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./171/binderfs") = 0 [pid 6724] <... memfd_create resumed>) = 3 [pid 6724] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6723] <... write resumed>) = 524288 [pid 5833] getdents64(3, [pid 6724] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3 [pid 6722] <... mount resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./171" [pid 6722] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... rmdir resumed>) = 0 [pid 6723] munmap(0x7fa6be400000, 138412032 [pid 6721] <... sync resumed>) = 0 [pid 6723] <... munmap resumed>) = 0 [pid 6721] exit_group(0 [pid 6722] <... openat resumed>) = 3 [pid 6721] <... exit_group resumed>) = ? [pid 6723] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6722] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6721] +++ exited with 0 +++ [pid 5833] mkdir("./172", 0777 [pid 6723] <... openat resumed>) = 4 [pid 6722] <... chdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 6723] ioctl(4, LOOP_SET_FD, 3 [pid 6722] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6721, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6722] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] <... openat resumed>) = 3 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6724] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6722] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5831] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6724] <... write resumed>) = 524288 [pid 5833] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6725 attached [pid 6722] <... mknod resumed>) = 0 [pid 6722] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6725 [pid 6725] set_robust_list(0x555567654760, 24) = 0 [pid 6724] munmap(0x7fa6be400000, 138412032 [pid 6725] chdir("./172" [pid 6724] <... munmap resumed>) = 0 [pid 6723] <... ioctl resumed>) = 0 [pid 6724] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6723] close(3 [pid 6725] <... chdir resumed>) = 0 [pid 6724] <... openat resumed>) = 4 [pid 6723] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6722] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6724] ioctl(4, LOOP_SET_FD, 3 [ 173.778991][ T6723] loop3: detected capacity change from 0 to 1024 [pid 6722] sync( [pid 6725] setpgid(0, 0) = 0 [pid 6723] close(4) = 0 [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6723] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6723] <... mkdir resumed>) = 0 [pid 6725] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6725] write(3, "1000", 4 [pid 6723] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] newfstatat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6725] <... write resumed>) = 4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6725] close(3 [pid 5831] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6725] <... close resumed>) = 0 executing program [pid 6725] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6725] <... symlink resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6725] write(1, "executing program\n", 18) = 18 [pid 5831] <... openat resumed>) = 4 [pid 6725] memfd_create("syzkaller", 0 [pid 5831] newfstatat(4, "", [pid 6725] <... memfd_create resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6725] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] getdents64(4, [pid 6725] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6724] <... ioctl resumed>) = 0 [pid 6724] close(3) = 0 [pid 6724] close(4) = 0 [pid 6724] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6724] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 6725] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] rmdir("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./172/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./172/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 6724] <... mount resumed>) = 0 [ 173.824670][ T6724] loop0: detected capacity change from 0 to 1024 [pid 6725] <... write resumed>) = 524288 [pid 6724] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6723] <... mount resumed>) = 0 [pid 6722] <... sync resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 6724] <... openat resumed>) = 3 [pid 6723] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6725] munmap(0x7fa6be400000, 138412032 [pid 6724] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6723] <... openat resumed>) = 3 [pid 6722] exit_group(0 [pid 5831] rmdir("./172" [pid 6724] <... chdir resumed>) = 0 [pid 6724] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6722] <... exit_group resumed>) = ? [pid 6725] <... munmap resumed>) = 0 [pid 6724] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6723] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... rmdir resumed>) = 0 [pid 6724] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6723] <... chdir resumed>) = 0 [pid 6725] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6723] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] mkdir("./173", 0777) = 0 [pid 6725] <... openat resumed>) = 4 [pid 6723] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6725] ioctl(4, LOOP_SET_FD, 3 [pid 6722] +++ exited with 0 +++ [pid 6724] <... mknod resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6722, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6724] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6723] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5830] getdents64(3, [pid 5831] <... ioctl resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6726 attached [pid 6725] <... ioctl resumed>) = 0 [pid 6723] <... mknod resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6726] set_robust_list(0x555567654760, 24 [pid 6723] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6726 [pid 6726] <... set_robust_list resumed>) = 0 [pid 6725] close(3 [pid 6724] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6724] sync( [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6725] <... close resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6726] chdir("./173" [pid 6725] close(4 [pid 6723] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6725] <... close resumed>) = 0 [pid 6726] <... chdir resumed>) = 0 [pid 6725] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6723] sync( [pid 5830] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6725] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6726] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 4 [pid 6726] <... prctl resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6726] setpgid(0, 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6726] <... setpgid resumed>) = 0 [pid 6725] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] getdents64(4, [pid 6726] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6726] <... openat resumed>) = 3 [ 173.905582][ T6725] loop4: detected capacity change from 0 to 1024 [pid 5830] getdents64(4, [pid 6726] write(3, "1000", 4 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6726] <... write resumed>) = 4 [pid 5830] <... close resumed>) = 0 [pid 6726] close(3 [pid 5830] rmdir("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6726] <... close resumed>) = 0 [pid 6725] <... mount resumed>) = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6725] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6726] symlink("/dev/binderfs", "./binderfs" [pid 6725] <... openat resumed>) = 3 [pid 6723] <... sync resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./174/binderfs", [pid 6725] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6723] exit_group(0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./174/binderfs" [pid 6726] <... symlink resumed>) = 0 [pid 6725] <... chdir resumed>) = 0 [pid 6723] <... exit_group resumed>) = ? [pid 5830] <... unlink resumed>) = 0 [pid 6725] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 6725] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6723] +++ exited with 0 +++ [pid 5830] rmdir("./174" [pid 6725] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] <... rmdir resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6723, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5830] mkdir("./175", 0777 [pid 6726] write(1, "executing program\n", 18 executing program [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 6726] <... write resumed>) = 18 [pid 6726] memfd_create("syzkaller", 0 [pid 5832] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6726] <... memfd_create resumed>) = 3 [pid 6725] <... mknod resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6726] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6724] <... sync resumed>) = 0 [pid 5832] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6726] <... mmap resumed>) = 0x7fa6be400000 [pid 6725] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 6724] exit_group(0 [pid 5830] close(3) = 0 [pid 6724] <... exit_group resumed>) = ? [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6727 attached [pid 6724] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6724, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6727] set_robust_list(0x555567654760, 24 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6727] <... set_robust_list resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6727 [pid 5829] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6727] chdir("./175" [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6727] <... chdir resumed>) = 0 [pid 6726] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6725] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5832] <... umount2 resumed>) = 0 [pid 6727] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6725] sync( [pid 6727] <... prctl resumed>) = 0 [pid 6727] setpgid(0, 0) = 0 [pid 6727] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6727] write(3, "1000", 4) = 4 [pid 5832] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6727] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6727] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6727] symlink("/dev/binderfs", "./binderfs" [pid 5832] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6726] <... write resumed>) = 524288 [pid 5832] openat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", [pid 6726] munmap(0x7fa6be400000, 138412032 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 5829] newfstatat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6726] <... munmap resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] newfstatat(4, "", [pid 6726] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6726] <... openat resumed>) = 4 [pid 6726] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 5829] getdents64(4, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 5829] close(4 [pid 5832] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5832] rmdir("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] rmdir("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5832] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./173/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] newfstatat(AT_FDCWD, "./178/binderfs", [pid 6727] <... symlink resumed>) = 0 executing program [pid 5832] unlink("./173/binderfs" [pid 6725] <... sync resumed>) = 0 [pid 6727] write(1, "executing program\n", 18 [pid 6725] exit_group(0 [pid 6727] <... write resumed>) = 18 [pid 6727] memfd_create("syzkaller", 0 [pid 6725] <... exit_group resumed>) = ? [pid 5832] <... unlink resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6727] <... memfd_create resumed>) = 3 [pid 5832] getdents64(3, [pid 5829] unlink("./178/binderfs" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5832] close(3 [pid 5829] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6725] +++ exited with 0 +++ [pid 6727] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] rmdir("./173" [pid 5829] close(3 [pid 6727] <... mmap resumed>) = 0x7fa6be400000 [pid 6726] <... ioctl resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6725, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5832] <... rmdir resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5829] rmdir("./178" [pid 5832] mkdir("./174", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] mkdir("./179", 0777 [pid 6726] close(3 [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 6726] <... close resumed>) = 0 [pid 6726] close(4) = 0 [pid 6726] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] umount2("./172", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] openat(AT_FDCWD, "./172", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5829] <... openat resumed>) = 3 [pid 6726] <... mkdir resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... ioctl resumed>) = 0 [pid 5832] close(3 [pid 6727] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6726] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(3, [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 5832] <... close resumed>) = 0 [ 174.080569][ T6726] loop2: detected capacity change from 0 to 1024 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567654750) = 6728 ./strace-static-x86_64: Process 6728 attached [pid 6727] <... write resumed>) = 524288 [pid 6728] set_robust_list(0x555567654760, 24 [pid 6727] munmap(0x7fa6be400000, 138412032 [pid 6726] <... mount resumed>) = 0 [pid 6728] <... set_robust_list resumed>) = 0 [pid 6726] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6728] chdir("./174" [pid 6727] <... munmap resumed>) = 0 [pid 6726] <... openat resumed>) = 3 [pid 6728] <... chdir resumed>) = 0 [pid 6727] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6726] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 6728] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6727] <... openat resumed>) = 4 [pid 6726] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6728] setpgid(0, 0 [pid 6727] ioctl(4, LOOP_SET_FD, 3 [pid 6726] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... close resumed>) = 0 [pid 6728] <... setpgid resumed>) = 0 [pid 6726] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] newfstatat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 6728] <... openat resumed>) = 3 [pid 6727] <... ioctl resumed>) = 0 [pid 6726] <... mknod resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6728] write(3, "1000", 4 [pid 6727] close(3 [pid 6726] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6728] <... write resumed>) = 4 [pid 6727] <... close resumed>) = 0 [pid 6728] close(3 [pid 6727] close(4./strace-static-x86_64: Process 6729 attached [pid 6728] <... close resumed>) = 0 [pid 6727] <... close resumed>) = 0 [pid 5833] rmdir("./172/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6729 [pid 5833] umount2("./172/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6729] set_robust_list(0x555567654760, 24 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6729] <... set_robust_list resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./172/binderfs", [pid 6729] chdir("./179" [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./172/binderfs") = 0 [pid 5833] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6729] <... chdir resumed>) = 0 [pid 5833] close(3 [pid 6729] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... close resumed>) = 0 [pid 6729] <... prctl resumed>) = 0 [pid 6728] symlink("/dev/binderfs", "./binderfs" [pid 6727] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6726] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./172" [pid 6728] <... symlink resumed>) = 0 [pid 6726] sync( [pid 5833] <... rmdir resumed>) = 0 [pid 6727] <... mkdir resumed>) = 0 [pid 6729] setpgid(0, 0) = 0 [pid 5833] mkdir("./173", 0777 [pid 6729] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... mkdir resumed>) = 0 [pid 6727] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6728] write(1, "executing program\n", 18 [pid 6729] <... openat resumed>) = 3 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWRexecuting program [pid 6729] write(3, "1000", 4 [pid 5833] <... openat resumed>) = 3 [pid 6729] <... write resumed>) = 4 [pid 6728] <... write resumed>) = 18 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6729] close(3 [pid 5833] <... ioctl resumed>) = 0 [pid 6728] memfd_create("syzkaller", 0 [pid 6729] <... close resumed>) = 0 [pid 5833] close(3 [pid 6729] symlink("/dev/binderfs", "./binderfs" [pid 6728] <... memfd_create resumed>) = 3 [pid 6729] <... symlink resumed>) = 0 [pid 6728] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6727] <... mount resumed>) = 0 executing program [pid 6729] write(1, "executing program\n", 18 [ 174.169327][ T6727] loop1: detected capacity change from 0 to 1024 [pid 6727] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6729] <... write resumed>) = 18 [pid 6727] <... openat resumed>) = 3 [pid 6729] memfd_create("syzkaller", 0) = 3 [pid 6729] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6727] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6726] <... sync resumed>) = 0 [pid 6727] <... chdir resumed>) = 0 [pid 6726] exit_group(0 [pid 5833] <... close resumed>) = 0 [pid 6727] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6726] <... exit_group resumed>) = ? [pid 6727] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6728] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6727] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6726] +++ exited with 0 +++ [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6726, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- ./strace-static-x86_64: Process 6730 attached [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6729] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6730 [pid 6730] set_robust_list(0x555567654760, 24 [pid 6727] <... mknod resumed>) = 0 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6730] <... set_robust_list resumed>) = 0 [pid 6727] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6730] chdir("./173" [pid 6729] munmap(0x7fa6be400000, 138412032 [pid 6730] <... chdir resumed>) = 0 [pid 6729] <... munmap resumed>) = 0 [pid 6730] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5831] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] <... prctl resumed>) = 0 [pid 6729] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6730] setpgid(0, 0 [pid 6729] <... openat resumed>) = 4 [pid 5831] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6729] ioctl(4, LOOP_SET_FD, 3 [pid 6730] <... setpgid resumed>) = 0 [pid 6727] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... openat resumed>) = 3 [pid 6728] <... write resumed>) = 524288 [pid 6730] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6727] sync( [pid 5831] newfstatat(3, "", [pid 6728] munmap(0x7fa6be400000, 138412032 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6728] <... munmap resumed>) = 0 [pid 5831] getdents64(3, [pid 6730] <... openat resumed>) = 3 [pid 6728] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6730] write(3, "1000", 4 [pid 5831] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6728] <... openat resumed>) = 4 [pid 6728] ioctl(4, LOOP_SET_FD, 3 [pid 6730] <... write resumed>) = 4 [pid 5831] <... umount2 resumed>) = 0 [pid 6730] close(3 [pid 5831] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6729] <... ioctl resumed>) = 0 [pid 6730] <... close resumed>) = 0 [pid 6729] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6730] symlink("/dev/binderfs", "./binderfs" [pid 6729] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6730] <... symlink resumed>) = 0 [pid 6729] close(4 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6730] write(1, "executing program\n", 18 [pid 6729] <... close resumed>) = 0 [pid 5831] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] <... write resumed>) = 18 [pid 6729] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6730] memfd_create("syzkaller", 0 [pid 6729] <... mkdir resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6730] <... memfd_create resumed>) = 3 [pid 6729] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6727] <... sync resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6730] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6727] exit_group(0 [pid 5831] newfstatat(4, "", [pid 6730] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6727] <... exit_group resumed>) = ? [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, [pid 6728] <... ioctl resumed>) = 0 [pid 6727] +++ exited with 0 +++ [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6728] close(3 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6727, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6728] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 6728] close(4 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6728] <... close resumed>) = 0 [pid 5831] close(4 [pid 5830] <... restart_syscall resumed>) = 0 [pid 5830] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6728] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5830] newfstatat(3, "", [pid 5831] rmdir("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6728] <... mkdir resumed>) = 0 [pid 5830] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6728] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... rmdir resumed>) = 0 [ 174.274254][ T6729] loop0: detected capacity change from 0 to 1024 [ 174.295175][ T6728] loop3: detected capacity change from 0 to 1024 [pid 5831] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6730] <... write resumed>) = 524288 [pid 5831] newfstatat(AT_FDCWD, "./173/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./173/binderfs") = 0 [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6730] munmap(0x7fa6be400000, 138412032 [pid 6728] <... mount resumed>) = 0 [pid 5831] close(3 [pid 5830] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] <... munmap resumed>) = 0 [pid 6728] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... close resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... openat resumed>) = 3 [pid 5831] rmdir("./173" [pid 5830] newfstatat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] mkdir("./174", 0777 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6729] <... mount resumed>) = 0 [pid 6728] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... mkdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6730] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6728] <... chdir resumed>) = 0 [pid 6729] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6728] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... openat resumed>) = 4 [pid 6730] <... openat resumed>) = 4 [pid 6728] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] newfstatat(4, "", [pid 6730] ioctl(4, LOOP_SET_FD, 3 [pid 6728] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... openat resumed>) = 3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6729] <... openat resumed>) = 3 [pid 6729] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6729] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5830] getdents64(4, [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6729] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000./strace-static-x86_64: Process 6731 attached ) = 0 [pid 6728] <... mknod resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6731 [pid 5830] close(4 [pid 6728] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 6729] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] rmdir("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6731] set_robust_list(0x555567654760, 24) = 0 [pid 6731] chdir("./174") = 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6730] <... ioctl resumed>) = 0 [pid 6728] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] close(3 [pid 6728] sync( [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] newfstatat(AT_FDCWD, "./175/binderfs", [pid 6731] <... prctl resumed>) = 0 [pid 6730] <... close resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./175/binderfs" [pid 6731] setpgid(0, 0 [pid 5830] <... unlink resumed>) = 0 [pid 6730] close(4 [pid 6731] <... setpgid resumed>) = 0 [pid 6731] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6731] write(3, "1000", 4) = 4 [pid 6730] <... close resumed>) = 0 [pid 6729] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5830] getdents64(3, [pid 6731] close(3 [pid 6730] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6731] <... close resumed>) = 0 [pid 6729] sync( [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6731] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6730] <... mkdir resumed>) = 0 [pid 5830] close(3) = 0 [ 174.401902][ T6730] loop4: detected capacity change from 0 to 1024 executing program [pid 6731] write(1, "executing program\n", 18 [pid 6730] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5830] rmdir("./175" [pid 6731] <... write resumed>) = 18 [pid 6731] memfd_create("syzkaller", 0 [pid 5830] <... rmdir resumed>) = 0 [pid 6731] <... memfd_create resumed>) = 3 [pid 6731] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5830] mkdir("./176", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 6731] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6730] <... mount resumed>) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6730] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6728] <... sync resumed>) = 0 [pid 5830] close(3 [pid 6729] <... sync resumed>) = 0 [pid 6728] exit_group(0 [pid 6729] exit_group(0 [pid 6728] <... exit_group resumed>) = ? [pid 6729] <... exit_group resumed>) = ? [pid 6728] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6728, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5832] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... close resumed>) = 0 [pid 6730] <... openat resumed>) = 3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6730] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6729] +++ exited with 0 +++ [pid 5832] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6730] <... chdir resumed>) = 0 [pid 6730] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... openat resumed>) = 3 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6729, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6730] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] newfstatat(3, "", [pid 6730] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6731] <... write resumed>) = 524288 [pid 5832] getdents64(3, ./strace-static-x86_64: Process 6732 attached [pid 6730] <... mknod resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6730] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6732 [pid 5832] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6732] set_robust_list(0x555567654760, 24) = 0 [pid 6732] chdir("./176" [pid 5829] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6732] <... chdir resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5829] newfstatat(3, "", [pid 6732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6732] <... prctl resumed>) = 0 [pid 6732] setpgid(0, 0 [pid 5829] getdents64(3, [pid 6732] <... setpgid resumed>) = 0 [pid 6732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6731] munmap(0x7fa6be400000, 138412032 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6732] <... openat resumed>) = 3 [pid 6731] <... munmap resumed>) = 0 [pid 6730] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6732] write(3, "1000", 4) = 4 [pid 6732] close(3 [pid 6730] sync( [pid 5832] <... umount2 resumed>) = 0 [pid 6732] <... close resumed>) = 0 [pid 6731] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6732] symlink("/dev/binderfs", "./binderfs" [pid 6731] <... openat resumed>) = 4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6732] <... symlink resumed>) = 0 [pid 6732] write(1, "executing program\n", 18) = 18 [pid 6732] memfd_create("syzkaller", 0 [pid 5832] newfstatat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6731] ioctl(4, LOOP_SET_FD, 3 [pid 5832] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6732] <... memfd_create resumed>) = 3 [pid 6730] <... sync resumed>) = 0 [pid 6732] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5832] openat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6732] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6730] exit_group(0) = ? [pid 5829] <... umount2 resumed>) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5829] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6730] +++ exited with 0 +++ [pid 5832] rmdir("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6730, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5832] <... rmdir resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(AT_FDCWD, "./174/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] openat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] unlink("./174/binderfs" [pid 5829] <... openat resumed>) = 4 [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, [pid 5829] newfstatat(4, "", [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] close(3 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] <... close resumed>) = 0 [pid 5829] getdents64(4, [pid 6731] <... ioctl resumed>) = 0 [pid 5833] umount2("./173", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] rmdir("./174" [pid 6732] <... write resumed>) = 524288 [pid 6731] close(3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... rmdir resumed>) = 0 [pid 5829] close(4 [pid 6731] <... close resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./173", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... close resumed>) = 0 [pid 6731] close(4 [pid 5833] <... openat resumed>) = 3 [pid 5829] rmdir("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6731] <... close resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] mkdir("./175", 0777 [pid 5829] <... rmdir resumed>) = 0 [pid 6731] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6731] <... mkdir resumed>) = 0 [pid 5833] getdents64(3, [pid 6731] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... mkdir resumed>) = 0 [pid 5829] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6732] munmap(0x7fa6be400000, 138412032 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6732] <... munmap resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] unlink("./179/binderfs") = 0 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] getdents64(3, [ 174.578905][ T6731] loop2: detected capacity change from 0 to 1024 [pid 6732] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6732] <... openat resumed>) = 4 [pid 5829] close(3) = 0 [pid 5829] rmdir("./179") = 0 [pid 6732] ioctl(4, LOOP_SET_FD, 3 [pid 6731] <... mount resumed>) = 0 [pid 5833] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6731] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] <... openat resumed>) = 3 [pid 5833] newfstatat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] mkdir("./180", 0777 [pid 6731] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 6731] <... chdir resumed>) = 0 [pid 5833] umount2("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6731] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] openat(AT_FDCWD, "./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 6731] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 5829] close(3 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 ./strace-static-x86_64: Process 6733 attached [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6733 [pid 6733] set_robust_list(0x555567654760, 24 [pid 5833] rmdir("./173/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6733] <... set_robust_list resumed>) = 0 [pid 6731] <... mknod resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6731] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6733] chdir("./175") = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] umount2("./173/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6733] <... prctl resumed>) = 0 [pid 6733] setpgid(0, 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6733] <... setpgid resumed>) = 0 [pid 5833] newfstatat(AT_FDCWD, "./173/binderfs", [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] unlink("./173/binderfs" [pid 6733] <... openat resumed>) = 3 [pid 6732] <... ioctl resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6733] write(3, "1000", 4 [pid 6732] close(3 [pid 5833] getdents64(3, [pid 6733] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6733] close(3 [pid 6731] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6732] <... close resumed>) = 0 [pid 5833] close(3 [pid 5829] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6732] close(4) = 0 [pid 5833] <... close resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6734 [pid 5833] rmdir("./173" [pid 6733] <... close resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6733] symlink("/dev/binderfs", "./binderfs" [pid 6731] sync( [pid 6733] <... symlink resumed>) = 0 [pid 6733] write(1, "executing program\n", 18 [ 174.650431][ T6732] loop1: detected capacity change from 0 to 1024 [pid 5833] mkdir("./174", 0777executing program ./strace-static-x86_64: Process 6734 attached [pid 6733] <... write resumed>) = 18 [pid 6732] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... mkdir resumed>) = 0 [pid 6733] memfd_create("syzkaller", 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6734] set_robust_list(0x555567654760, 24 [pid 6732] <... mkdir resumed>) = 0 [pid 6734] <... set_robust_list resumed>) = 0 [pid 6732] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... openat resumed>) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6733] <... memfd_create resumed>) = 3 [pid 5833] <... ioctl resumed>) = 0 [pid 6733] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] close(3 [pid 6734] chdir("./180" [pid 6733] <... mmap resumed>) = 0x7fa6be400000 [pid 6734] <... chdir resumed>) = 0 [pid 6734] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6734] setpgid(0, 0) = 0 [pid 6734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6734] write(3, "1000", 4 [pid 6733] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6734] <... write resumed>) = 4 [pid 6734] close(3) = 0 [pid 6732] <... mount resumed>) = 0 executing program [pid 6734] symlink("/dev/binderfs", "./binderfs" [pid 6732] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5833] <... close resumed>) = 0 [pid 6732] <... openat resumed>) = 3 [pid 6734] <... symlink resumed>) = 0 [pid 6734] write(1, "executing program\n", 18) = 18 [pid 6732] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6734] memfd_create("syzkaller", 0 [pid 6733] <... write resumed>) = 524288 [pid 6732] <... chdir resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6734] <... memfd_create resumed>) = 3 [pid 6732] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6734] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 ./strace-static-x86_64: Process 6735 attached [pid 6735] set_robust_list(0x555567654760, 24) = 0 [pid 6735] chdir("./174" [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6735 [pid 6735] <... chdir resumed>) = 0 [pid 6735] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6735] setpgid(0, 0) = 0 [pid 6735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6732] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6735] write(3, "1000", 4) = 4 [pid 6735] close(3) = 0 [pid 6735] symlink("/dev/binderfs", "./binderfs" [pid 6733] munmap(0x7fa6be400000, 138412032 [pid 6732] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6733] <... munmap resumed>) = 0 [pid 6735] <... symlink resumed>) = 0 [pid 6734] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6731] <... sync resumed>) = 0 [pid 6735] write(1, "executing program\n", 18 [pid 6733] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6732] <... mknod resumed>) = 0 [pid 6731] exit_group(0executing program [pid 6732] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6731] <... exit_group resumed>) = ? [pid 6733] <... openat resumed>) = 4 [pid 6735] <... write resumed>) = 18 [pid 6735] memfd_create("syzkaller", 0 [pid 6733] ioctl(4, LOOP_SET_FD, 3 [pid 6731] +++ exited with 0 +++ [pid 6735] <... memfd_create resumed>) = 3 [pid 6735] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6735] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6731, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 6735] <... write resumed>) = 524288 [pid 6734] <... write resumed>) = 524288 [pid 5831] <... restart_syscall resumed>) = 0 [pid 6733] <... ioctl resumed>) = 0 [pid 6732] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6733] close(3) = 0 [pid 6733] close(4) = 0 [ 174.771723][ T6733] loop3: detected capacity change from 0 to 1024 [pid 6733] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6732] sync( [pid 6733] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6735] munmap(0x7fa6be400000, 138412032) = 0 [pid 6735] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6735] <... openat resumed>) = 4 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6735] ioctl(4, LOOP_SET_FD, 3 [pid 5831] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6734] munmap(0x7fa6be400000, 138412032 [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6734] <... munmap resumed>) = 0 [pid 5831] getdents64(3, [pid 6734] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6734] <... openat resumed>) = 4 [pid 5831] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6734] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... umount2 resumed>) = 0 [pid 6735] <... ioctl resumed>) = 0 [pid 5831] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6735] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6735] <... close resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6735] close(4) = 0 [pid 6735] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6734] <... ioctl resumed>) = 0 [pid 5831] <... openat resumed>) = 4 [pid 6735] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6734] close(3) = 0 [pid 5831] getdents64(4, [pid 6734] close(4) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6734] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] getdents64(4, [pid 6734] <... mkdir resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 6734] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] rmdir("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./174/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./174/binderfs") = 0 [pid 6735] <... mount resumed>) = 0 [pid 6735] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6735] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6734] <... mount resumed>) = 0 [pid 5831] getdents64(3, [pid 6734] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6735] <... chdir resumed>) = 0 [pid 6735] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6734] <... openat resumed>) = 3 [pid 6735] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [ 174.813909][ T6735] loop4: detected capacity change from 0 to 1024 [ 174.834246][ T6734] loop0: detected capacity change from 0 to 1024 [pid 6734] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6733] <... mount resumed>) = 0 [pid 6734] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] close(3 [pid 6735] <... mknod resumed>) = 0 [pid 6734] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] <... close resumed>) = 0 [pid 6735] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6733] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6734] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6733] <... openat resumed>) = 3 [pid 5831] rmdir("./174" [pid 6733] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6733] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6733] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... rmdir resumed>) = 0 [pid 5831] mkdir("./175", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 6734] <... mknod resumed>) = 0 [pid 6733] <... mknod resumed>) = 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6734] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6733] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6735] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 6735] sync( [pid 5831] <... close resumed>) = 0 [pid 6734] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6734] sync( [pid 6732] <... sync resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6733] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6733] sync( [pid 6732] exit_group(0./strace-static-x86_64: Process 6736 attached ) = ? [pid 6736] set_robust_list(0x555567654760, 24 [pid 6732] +++ exited with 0 +++ [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6736 [pid 6736] <... set_robust_list resumed>) = 0 [pid 6733] <... sync resumed>) = 0 [pid 6736] chdir("./175" [pid 6734] <... sync resumed>) = 0 [pid 6733] exit_group(0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6732, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6736] <... chdir resumed>) = 0 [pid 6734] exit_group(0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6734] <... exit_group resumed>) = ? [pid 6736] <... prctl resumed>) = 0 [pid 6736] setpgid(0, 0 [pid 6734] +++ exited with 0 +++ [pid 6733] <... exit_group resumed>) = ? [pid 6736] <... setpgid resumed>) = 0 [pid 6736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6735] <... sync resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6735] exit_group(0 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6734, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6736] <... openat resumed>) = 3 [pid 5830] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6736] write(3, "1000", 4 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6736] <... write resumed>) = 4 [pid 6735] <... exit_group resumed>) = ? [pid 6733] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6736] close(3 [pid 6735] +++ exited with 0 +++ [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6733, si_uid=0, si_status=0, si_utime=0, si_stime=5 /* 0.05 s */} --- [pid 5830] <... openat resumed>) = 3 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6736] <... close resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6735, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5830] newfstatat(3, "", [pid 6736] symlink("/dev/binderfs", "./binderfs" [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6736] <... symlink resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5830] getdents64(3, [pid 5829] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6736] write(1, "executing program\n", 18 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6736] <... write resumed>) = 18 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] umount2("./174", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 6736] memfd_create("syzkaller", 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = 0 [pid 5829] newfstatat(3, "", [pid 6736] <... memfd_create resumed>) = 3 [pid 5833] openat(AT_FDCWD, "./174", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... openat resumed>) = 3 [pid 6736] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] newfstatat(3, "", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, [pid 5830] openat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] getdents64(3, [pid 6736] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] getdents64(3, [pid 5830] <... openat resumed>) = 4 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] newfstatat(4, "", [pid 5833] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] getdents64(4, [pid 5832] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4) = 0 [pid 5830] rmdir("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./176/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./176/binderfs") = 0 [pid 6736] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 5829] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./176") = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] mkdir("./177", 0777 [pid 5829] newfstatat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... mkdir resumed>) = 0 [pid 5833] newfstatat(4, "", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] newfstatat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5833] getdents64(4, [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5829] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] getdents64(4, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] openat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... openat resumed>) = 4 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 5833] close(4 [pid 5830] <... ioctl resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5830] close(3 [pid 5833] rmdir("./174/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5830] <... close resumed>) = 0 [pid 5833] umount2("./174/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(4, ./strace-static-x86_64: Process 6737 attached [pid 6736] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] getdents64(4, [pid 6737] set_robust_list(0x555567654760, 24 [pid 6736] munmap(0x7fa6be400000, 138412032 [pid 5833] newfstatat(AT_FDCWD, "./174/binderfs", [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6737] <... set_robust_list resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6737 [pid 6737] chdir("./177" [pid 6736] <... munmap resumed>) = 0 [pid 5833] unlink("./174/binderfs" [pid 5832] getdents64(4, [pid 5829] close(4 [pid 6737] <... chdir resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] getdents64(3, [pid 5829] <... close resumed>) = 0 [pid 6737] <... prctl resumed>) = 0 [pid 5832] close(4 [pid 6737] setpgid(0, 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6737] <... setpgid resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] close(3 [pid 5832] rmdir("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] rmdir("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6737] <... openat resumed>) = 3 [pid 5833] <... close resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6737] write(3, "1000", 4 [pid 5833] rmdir("./174" [pid 5832] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6737] <... write resumed>) = 4 [pid 6736] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 6737] close(3 [pid 6736] <... openat resumed>) = 4 [pid 5833] mkdir("./175", 0777 [pid 5832] newfstatat(AT_FDCWD, "./175/binderfs", [pid 5829] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6737] <... close resumed>) = 0 [pid 6736] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6737] symlink("/dev/binderfs", "./binderfs"executing program [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] unlink("./175/binderfs" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6737] <... symlink resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] <... unlink resumed>) = 0 [pid 6737] write(1, "executing program\n", 18 [pid 5832] getdents64(3, [pid 5829] newfstatat(AT_FDCWD, "./180/binderfs", [pid 6737] <... write resumed>) = 18 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6737] memfd_create("syzkaller", 0 [pid 5832] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... close resumed>) = 0 [pid 5833] <... ioctl resumed>) = 0 [pid 5832] rmdir("./175" [pid 6737] <... memfd_create resumed>) = 3 [pid 5833] close(3 [pid 5832] <... rmdir resumed>) = 0 [pid 6737] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 5829] unlink("./180/binderfs" [pid 5832] mkdir("./176", 0777) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 5829] close(3) = 0 [pid 6737] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] rmdir("./180" [pid 6736] <... ioctl resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./181", 0777 [pid 6737] <... write resumed>) = 524288 [pid 6736] close(3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6738 attached [pid 6736] <... close resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6738] set_robust_list(0x555567654760, 24./strace-static-x86_64: Process 6739 attached ) = 0 [pid 6736] close(4 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6739 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6739] set_robust_list(0x555567654760, 24 [pid 6736] <... close resumed>) = 0 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6738] chdir("./176" [pid 6737] munmap(0x7fa6be400000, 138412032 [pid 6736] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6738 [pid 5829] <... ioctl resumed>) = 0 [pid 6738] <... chdir resumed>) = 0 [pid 6737] <... munmap resumed>) = 0 [pid 6738] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6736] <... mkdir resumed>) = 0 [pid 5829] close(3 [pid 6738] <... prctl resumed>) = 0 [pid 6739] chdir("./175" [pid 6738] setpgid(0, 0 [pid 5829] <... close resumed>) = 0 [pid 6738] <... setpgid resumed>) = 0 [ 175.115211][ T6736] loop2: detected capacity change from 0 to 1024 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6738] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6739] <... chdir resumed>) = 0 [pid 6736] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6739] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6740 ./strace-static-x86_64: Process 6740 attached [pid 6740] set_robust_list(0x555567654760, 24 [pid 6739] <... prctl resumed>) = 0 [pid 6740] <... set_robust_list resumed>) = 0 [pid 6740] chdir("./181") = 0 [pid 6740] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6740] setpgid(0, 0 [pid 6738] <... openat resumed>) = 3 [pid 6740] <... setpgid resumed>) = 0 [pid 6737] <... openat resumed>) = 4 [pid 6740] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6737] ioctl(4, LOOP_SET_FD, 3 [pid 6740] <... openat resumed>) = 3 [pid 6739] setpgid(0, 0 [pid 6738] write(3, "1000", 4 [pid 6739] <... setpgid resumed>) = 0 [pid 6740] write(3, "1000", 4 [pid 6738] <... write resumed>) = 4 [pid 6740] <... write resumed>) = 4 [pid 6739] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6738] close(3 [pid 6740] close(3 [pid 6738] <... close resumed>) = 0 [pid 6740] <... close resumed>) = 0 [pid 6739] <... openat resumed>) = 3 [pid 6738] symlink("/dev/binderfs", "./binderfs"executing program executing program [pid 6740] symlink("/dev/binderfs", "./binderfs" [pid 6739] write(3, "1000", 4 [pid 6738] <... symlink resumed>) = 0 [pid 6740] <... symlink resumed>) = 0 [pid 6739] <... write resumed>) = 4 [pid 6738] write(1, "executing program\n", 18 [pid 6739] close(3 [pid 6740] write(1, "executing program\n", 18 [pid 6738] <... write resumed>) = 18 [pid 6740] <... write resumed>) = 18 [pid 6738] memfd_create("syzkaller", 0 [pid 6740] memfd_create("syzkaller", 0 [pid 6738] <... memfd_create resumed>) = 3 [pid 6736] <... mount resumed>) = 0 [pid 6740] <... memfd_create resumed>) = 3 [pid 6738] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6740] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6738] <... mmap resumed>) = 0x7fa6be400000 [pid 6740] <... mmap resumed>) = 0x7fa6be400000 [pid 6738] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6740] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6739] <... close resumed>) = 0 [pid 6737] <... ioctl resumed>) = 0 [pid 6736] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6739] symlink("/dev/binderfs", "./binderfs" [pid 6738] <... write resumed>) = 524288 [pid 6736] <... openat resumed>) = 3 [pid 6739] <... symlink resumed>) = 0 [pid 6737] close(3) = 0 [pid 6737] close(4) = 0 [pid 6737] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [ 175.195374][ T6737] loop1: detected capacity change from 0 to 1024 [pid 6737] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, ""executing program [pid 6739] write(1, "executing program\n", 18 [pid 6736] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6739] <... write resumed>) = 18 [pid 6736] <... chdir resumed>) = 0 [pid 6739] memfd_create("syzkaller", 0 [pid 6736] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6738] munmap(0x7fa6be400000, 138412032 [pid 6736] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6740] <... write resumed>) = 524288 [pid 6739] <... memfd_create resumed>) = 3 [pid 6738] <... munmap resumed>) = 0 [pid 6736] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6739] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6738] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6739] <... mmap resumed>) = 0x7fa6be400000 [pid 6738] <... openat resumed>) = 4 [pid 6737] <... mount resumed>) = 0 [pid 6738] ioctl(4, LOOP_SET_FD, 3 [pid 6737] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6739] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6738] <... ioctl resumed>) = 0 [pid 6737] <... openat resumed>) = 3 [pid 6740] munmap(0x7fa6be400000, 138412032 [pid 6737] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6736] <... mknod resumed>) = 0 [pid 6740] <... munmap resumed>) = 0 [pid 6737] <... chdir resumed>) = 0 [pid 6736] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6740] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6737] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6740] <... openat resumed>) = 4 [pid 6737] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6740] ioctl(4, LOOP_SET_FD, 3 [pid 6737] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6736] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6738] close(3 [pid 6737] <... mknod resumed>) = 0 [pid 6738] <... close resumed>) = 0 [pid 6737] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6738] close(4) = 0 [pid 6738] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6738] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6740] <... ioctl resumed>) = 0 [pid 6736] sync( [pid 6739] <... write resumed>) = 524288 [pid 6740] close(3 [pid 6737] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6740] <... close resumed>) = 0 [pid 6739] munmap(0x7fa6be400000, 138412032 [ 175.280393][ T6738] loop3: detected capacity change from 0 to 1024 [ 175.294983][ T6740] loop0: detected capacity change from 0 to 1024 [pid 6737] sync( [pid 6740] close(4 [pid 6739] <... munmap resumed>) = 0 [pid 6739] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6739] ioctl(4, LOOP_SET_FD, 3 [pid 6740] <... close resumed>) = 0 [pid 6740] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6740] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6738] <... mount resumed>) = 0 [pid 6739] <... ioctl resumed>) = 0 [pid 6738] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6739] close(3) = 0 [pid 6738] <... openat resumed>) = 3 [pid 6739] close(4 [pid 6738] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6739] <... close resumed>) = 0 [pid 6738] <... chdir resumed>) = 0 [pid 6739] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6738] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6740] <... mount resumed>) = 0 [pid 6738] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6738] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6740] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6739] <... mkdir resumed>) = 0 [pid 6740] <... openat resumed>) = 3 [pid 6740] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6740] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6739] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6738] <... mknod resumed>) = 0 [pid 6740] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6739] <... mount resumed>) = 0 [pid 6738] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6737] <... sync resumed>) = 0 [pid 6736] <... sync resumed>) = 0 [pid 6736] exit_group(0) = ? [pid 6739] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6740] <... mknod resumed>) = 0 [pid 6739] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6737] exit_group(0 [ 175.342734][ T6739] loop4: detected capacity change from 0 to 1024 [pid 6740] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6739] <... chdir resumed>) = 0 [pid 6738] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6737] <... exit_group resumed>) = ? [pid 6739] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6737] +++ exited with 0 +++ [pid 6736] +++ exited with 0 +++ [pid 6739] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6738] sync( [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6736, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6739] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6737, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5830] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6739] <... mknod resumed>) = 0 [pid 5831] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 6740] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6739] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(3, "", [pid 5831] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... openat resumed>) = 3 [pid 5831] newfstatat(3, "", [pid 6740] sync( [pid 5830] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5830] newfstatat(4, "", [pid 6739] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6739] sync( [pid 5830] getdents64(4, [pid 5831] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] newfstatat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] getdents64(4, [pid 5831] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] close(4) = 0 [pid 5831] openat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] rmdir("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... openat resumed>) = 4 [pid 5830] <... rmdir resumed>) = 0 [pid 5830] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] newfstatat(4, "", [pid 5830] unlink("./177/binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] getdents64(3, [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./177") = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5830] mkdir("./178", 0777 [pid 5831] rmdir("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5831] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./175/binderfs", [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] close(3 [pid 6740] <... sync resumed>) = 0 [pid 6739] <... sync resumed>) = 0 [pid 6740] exit_group(0 [pid 6739] exit_group(0 [pid 6738] <... sync resumed>) = 0 [pid 6740] <... exit_group resumed>) = ? [pid 6740] +++ exited with 0 +++ [pid 6739] <... exit_group resumed>) = ? [pid 6738] exit_group(0 [pid 5831] unlink("./175/binderfs" [pid 5830] <... close resumed>) = 0 [pid 6738] <... exit_group resumed>) = ? [pid 5831] <... unlink resumed>) = 0 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6740, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6738] +++ exited with 0 +++ [pid 5829] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6741 attached [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6738, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] getdents64(3, [pid 5829] <... restart_syscall resumed>) = 0 [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6741] set_robust_list(0x555567654760, 24 [pid 6739] +++ exited with 0 +++ [pid 5831] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6741 [pid 6741] <... set_robust_list resumed>) = 0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6739, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] chdir("./178" [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... close resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] rmdir("./175" [pid 5829] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] <... rmdir resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 5829] <... openat resumed>) = 3 [pid 5831] mkdir("./176", 0777 [pid 5829] newfstatat(3, "", [pid 6741] <... chdir resumed>) = 0 [pid 5833] umount2("./175", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] getdents64(3, [pid 6741] <... prctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./175", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... mkdir resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... openat resumed>) = 3 [pid 5832] getdents64(3, [pid 5829] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] newfstatat(3, "", [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] setpgid(0, 0 [pid 5833] getdents64(3, [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] <... umount2 resumed>) = 0 [pid 6741] <... setpgid resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... openat resumed>) = 3 [pid 5829] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6741] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... ioctl resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] close(3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... close resumed>) = 0 [pid 5829] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6742 attached [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6742 [pid 5829] openat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6742] set_robust_list(0x555567654760, 24 [pid 5829] <... openat resumed>) = 4 [pid 6742] <... set_robust_list resumed>) = 0 [pid 6741] <... openat resumed>) = 3 [pid 5829] newfstatat(4, "", [pid 6742] chdir("./176" [pid 6741] write(3, "1000", 4 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6741] <... write resumed>) = 4 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6742] <... chdir resumed>) = 0 [pid 5829] getdents64(4, [pid 5832] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6741] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(4 [pid 5832] newfstatat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6742] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6741] <... close resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... close resumed>) = 0 [pid 6742] <... prctl resumed>) = 0 [pid 5829] rmdir("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6742] setpgid(0, 0 [pid 6741] symlink("/dev/binderfs", "./binderfs" [pid 5832] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 6742] <... setpgid resumed>) = 0 [pid 6741] <... symlink resumed>) = 0 [pid 5829] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6742] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6741] write(1, "executing program\n", 18 [pid 5829] newfstatat(AT_FDCWD, "./181/binderfs", [pid 6741] <... write resumed>) = 18 [pid 6741] memfd_create("syzkaller", 0 [pid 5832] openat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6741] <... memfd_create resumed>) = 3 [pid 5829] unlink("./181/binderfs" [pid 5832] <... openat resumed>) = 4 [pid 5829] <... unlink resumed>) = 0 [pid 5832] newfstatat(4, "", [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6742] <... openat resumed>) = 3 [pid 6741] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(4, [pid 5829] getdents64(3, [pid 6742] write(3, "1000", 4 [pid 6741] <... mmap resumed>) = 0x7fa6be400000 [pid 6742] <... write resumed>) = 4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] close(3) = 0 [pid 6742] close(3 [pid 5833] newfstatat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] rmdir("./181" [pid 5832] <... rmdir resumed>) = 0 [pid 5832] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./176/binderfs", [pid 5829] <... rmdir resumed>) = 0 [pid 6742] <... close resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] mkdir("./182", 0777 [pid 5832] unlink("./176/binderfs") = 0 [pid 5829] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6742] symlink("/dev/binderfs", "./binderfs" [pid 6741] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] umount2("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] getdents64(3, [pid 5829] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6742] <... symlink resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 executing program [pid 6742] write(1, "executing program\n", 18 [pid 5833] openat(AT_FDCWD, "./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... ioctl resumed>) = 0 [pid 6742] <... write resumed>) = 18 [pid 5833] <... openat resumed>) = 4 [pid 6742] memfd_create("syzkaller", 0 [pid 5833] newfstatat(4, "", [pid 5832] close(3 [pid 5829] close(3) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... close resumed>) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6742] <... memfd_create resumed>) = 3 [pid 5832] rmdir("./176") = 0 [pid 6742] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5832] mkdir("./177", 0777) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6743 attached [pid 6742] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] getdents64(4, ./strace-static-x86_64: Process 6744 attached [pid 6742] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6743 [pid 6744] set_robust_list(0x555567654760, 24) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6744 [pid 6744] chdir("./177") = 0 [pid 6744] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6744] setpgid(0, 0) = 0 [pid 6744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6744] write(3, "1000", 4 [pid 6743] set_robust_list(0x555567654760, 24 [pid 6741] <... write resumed>) = 524288 [pid 5833] getdents64(4, [pid 6743] <... set_robust_list resumed>) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6741] munmap(0x7fa6be400000, 138412032 [pid 6744] <... write resumed>) = 4 [pid 6743] chdir("./182" [pid 6741] <... munmap resumed>) = 0 [pid 5833] close(4 [pid 6744] close(3 [pid 6741] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] <... close resumed>) = 0 executing program [pid 6744] <... close resumed>) = 0 [pid 6744] symlink("/dev/binderfs", "./binderfs" [pid 6741] <... openat resumed>) = 4 [pid 5833] rmdir("./175/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6744] <... symlink resumed>) = 0 [pid 6744] write(1, "executing program\n", 18) = 18 [pid 6743] <... chdir resumed>) = 0 [pid 6741] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... rmdir resumed>) = 0 [pid 6744] memfd_create("syzkaller", 0 [pid 6743] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] umount2("./175/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6743] <... prctl resumed>) = 0 [pid 6742] <... write resumed>) = 524288 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./175/binderfs", [pid 6743] setpgid(0, 0 [pid 6742] munmap(0x7fa6be400000, 138412032 [pid 6743] <... setpgid resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6744] <... memfd_create resumed>) = 3 [pid 6744] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6743] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6744] <... mmap resumed>) = 0x7fa6be400000 [pid 6744] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6743] <... openat resumed>) = 3 [pid 6742] <... munmap resumed>) = 0 [pid 5833] unlink("./175/binderfs") = 0 [pid 6743] write(3, "1000", 4 [pid 6742] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] getdents64(3, [pid 6743] <... write resumed>) = 4 [pid 6743] close(3) = 0 [pid 6743] symlink("/dev/binderfs", "./binderfs" [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6743] <... symlink resumed>) = 0 [pid 6742] <... openat resumed>) = 4 [pid 5833] close(3executing program [pid 6743] write(1, "executing program\n", 18 [pid 6742] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... close resumed>) = 0 [pid 6743] <... write resumed>) = 18 [pid 5833] rmdir("./175" [pid 6743] memfd_create("syzkaller", 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6744] <... write resumed>) = 524288 [pid 6744] munmap(0x7fa6be400000, 138412032) = 0 [pid 6744] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6744] ioctl(4, LOOP_SET_FD, 3 [pid 6743] <... memfd_create resumed>) = 3 [pid 6741] <... ioctl resumed>) = 0 [pid 5833] mkdir("./176", 0777 [pid 6743] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6741] close(3 [pid 6743] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... mkdir resumed>) = 0 [pid 6744] <... ioctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6744] close(3) = 0 [pid 6744] close(4) = 0 [pid 6744] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6741] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6741] close(4) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6744] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6743] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6741] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 6741] <... mkdir resumed>) = 0 [pid 6741] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... close resumed>) = 0 [ 175.697420][ T6741] loop1: detected capacity change from 0 to 1024 [ 175.714979][ T6744] loop3: detected capacity change from 0 to 1024 [ 175.728955][ T6742] loop2: detected capacity change from 0 to 1024 [pid 6742] <... ioctl resumed>) = 0 [pid 6742] close(3) = 0 [pid 6742] close(4) = 0 [pid 6742] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6741] <... mount resumed>) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6741] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6745 attached [pid 6742] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6741] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6745] set_robust_list(0x555567654760, 24 [pid 6741] <... chdir resumed>) = 0 [pid 6745] <... set_robust_list resumed>) = 0 [pid 6743] <... write resumed>) = 524288 [pid 6741] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6745] chdir("./176") = 0 [pid 6743] munmap(0x7fa6be400000, 138412032 [pid 6741] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6745 [pid 6741] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6744] <... mount resumed>) = 0 [pid 6744] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6745] <... prctl resumed>) = 0 [pid 6744] <... openat resumed>) = 3 [pid 6744] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6743] <... munmap resumed>) = 0 [pid 6745] setpgid(0, 0 [pid 6744] <... chdir resumed>) = 0 [pid 6744] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6745] <... setpgid resumed>) = 0 [pid 6744] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6744] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6745] write(3, "1000", 4 [pid 6743] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6741] <... mknod resumed>) = 0 [pid 6745] <... write resumed>) = 4 [pid 6745] close(3) = 0 [pid 6743] <... openat resumed>) = 4 [pid 6745] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6743] ioctl(4, LOOP_SET_FD, 3 [pid 6745] write(1, "executing program\n", 18 [pid 6744] <... mknod resumed>) = 0 executing program [pid 6745] <... write resumed>) = 18 [pid 6744] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6741] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6745] memfd_create("syzkaller", 0) = 3 [pid 6744] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6743] <... ioctl resumed>) = 0 [pid 6741] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6745] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6744] sync( [pid 6743] close(3 [pid 6741] sync( [pid 6743] <... close resumed>) = 0 [pid 6743] close(4) = 0 [pid 6743] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6745] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 6743] <... mkdir resumed>) = 0 [pid 6742] <... mount resumed>) = 0 [ 175.808695][ T6743] loop0: detected capacity change from 0 to 1024 [pid 6742] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6742] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6742] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6743] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6742] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6742] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6742] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6745] munmap(0x7fa6be400000, 138412032 [pid 6742] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6742] sync( [pid 6745] <... munmap resumed>) = 0 [pid 6745] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [pid 6745] ioctl(4, LOOP_SET_FD, 3 [pid 6743] <... mount resumed>) = 0 [pid 6744] <... sync resumed>) = 0 [pid 6741] <... sync resumed>) = 0 [pid 6744] exit_group(0 [pid 6742] <... sync resumed>) = 0 [pid 6741] exit_group(0 [pid 6744] <... exit_group resumed>) = ? [pid 6743] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6742] exit_group(0 [pid 6741] <... exit_group resumed>) = ? [pid 6743] <... openat resumed>) = 3 [pid 6742] <... exit_group resumed>) = ? [pid 6743] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6742] +++ exited with 0 +++ [pid 6741] +++ exited with 0 +++ [pid 6744] +++ exited with 0 +++ [pid 6743] <... chdir resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6741, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6742, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6743] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6744, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6743] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... restart_syscall resumed>) = 0 [pid 6743] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... openat resumed>) = 3 [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5830] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... restart_syscall resumed>) = 0 [pid 5832] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6743] <... mknod resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 6743] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] newfstatat(3, "", [pid 6745] <... ioctl resumed>) = 0 [pid 6745] close(3 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6745] <... close resumed>) = 0 [pid 5830] getdents64(3, [pid 6745] close(4) = 0 [pid 5831] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6745] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5831] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6743] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6743] sync( [pid 5831] <... openat resumed>) = 3 [ 175.914922][ T6745] loop4: detected capacity change from 0 to 1024 [pid 6745] <... mkdir resumed>) = 0 [pid 5831] newfstatat(3, "", [pid 6745] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] getdents64(3, [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5832] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./177/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./177/binderfs") = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./177") = 0 [pid 5832] mkdir("./178", 0777 [pid 6745] <... mount resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6745] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5830] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] <... openat resumed>) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6745] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... ioctl resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6745] <... chdir resumed>) = 0 [pid 6743] <... sync resumed>) = 0 [pid 5832] close(3 [pid 5831] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] newfstatat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6745] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6743] exit_group(0 [pid 6745] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6743] <... exit_group resumed>) = ? [pid 6745] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6743] +++ exited with 0 +++ [pid 5830] openat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6743, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... openat resumed>) = 4 [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 5830] newfstatat(4, "", [pid 6745] <... mknod resumed>) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6745] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... restart_syscall resumed>) = 0 [pid 5830] getdents64(4, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4./strace-static-x86_64: Process 6746 attached [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6746 [pid 5831] openat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... close resumed>) = 0 [pid 5829] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] rmdir("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... openat resumed>) = 4 [pid 6745] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... rmdir resumed>) = 0 [pid 5830] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... openat resumed>) = 3 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(3, "", [pid 5830] newfstatat(AT_FDCWD, "./178/binderfs", [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] getdents64(3, [pid 5830] unlink("./178/binderfs") = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6745] sync( [pid 5831] newfstatat(4, "", [pid 5830] getdents64(3, [pid 5829] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6746] set_robust_list(0x555567654760, 24 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6746] <... set_robust_list resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] close(3 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... close resumed>) = 0 [pid 6746] chdir("./178" [pid 5831] getdents64(4, [pid 5830] rmdir("./178") = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 6746] <... chdir resumed>) = 0 [pid 5831] rmdir("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] mkdir("./179", 0777 [pid 6746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... mkdir resumed>) = 0 [pid 6746] <... prctl resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6746] setpgid(0, 0 [pid 5831] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6746] <... setpgid resumed>) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] newfstatat(AT_FDCWD, "./176/binderfs", [pid 5830] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./176/binderfs") = 0 [pid 5831] getdents64(3, [pid 6746] <... openat resumed>) = 3 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] <... umount2 resumed>) = 0 [pid 5831] close(3 [pid 6746] write(3, "1000", 4 [pid 5830] <... ioctl resumed>) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] close(3 [pid 6746] <... write resumed>) = 4 [pid 6746] close(3 [pid 5831] rmdir("./176" [pid 5830] <... close resumed>) = 0 [pid 6746] <... close resumed>) = 0 [pid 6745] <... sync resumed>) = 0 [pid 6746] symlink("/dev/binderfs", "./binderfs" [pid 6745] exit_group(0 [pid 5831] <... rmdir resumed>) = 0 [pid 6746] <... symlink resumed>) = 0 executing program [pid 5831] mkdir("./177", 0777 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6746] write(1, "executing program\n", 18 [pid 6745] <... exit_group resumed>) = ? [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6746] <... write resumed>) = 18 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6747 [pid 5829] newfstatat(AT_FDCWD, "./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6747 attached [pid 6745] +++ exited with 0 +++ [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6747] set_robust_list(0x555567654760, 24 [pid 6746] memfd_create("syzkaller", 0 [pid 5829] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6747] <... set_robust_list resumed>) = 0 [pid 6747] chdir("./179" [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6745, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] openat(AT_FDCWD, "./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6746] <... memfd_create resumed>) = 3 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... openat resumed>) = 3 [pid 6747] <... chdir resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 6747] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6747] setpgid(0, 0 [pid 6746] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5829] getdents64(4, [pid 5831] close(3 [pid 6746] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... close resumed>) = 0 [pid 6747] <... setpgid resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] getdents64(4, [pid 6747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 ./strace-static-x86_64: Process 6748 attached [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6748] set_robust_list(0x555567654760, 24 [pid 6747] write(3, "1000", 4 [pid 5833] umount2("./176", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6748 [pid 5829] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6747] <... write resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6747] close(3 [pid 5833] openat(AT_FDCWD, "./176", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] rmdir("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6747] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 6747] symlink("/dev/binderfs", "./binderfs" [pid 5833] newfstatat(3, "", [pid 5829] <... rmdir resumed>) = 0 [pid 6748] <... set_robust_list resumed>) = 0 [pid 6748] chdir("./177" [pid 6747] <... symlink resumed>) = 0 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 executing program [pid 6747] write(1, "executing program\n", 18) = 18 [pid 6747] memfd_create("syzkaller", 0 [pid 6748] <... chdir resumed>) = 0 [pid 6747] <... memfd_create resumed>) = 3 [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6746] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] getdents64(3, [pid 5829] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6748] <... prctl resumed>) = 0 [pid 6747] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6746] <... write resumed>) = 524288 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6748] setpgid(0, 0) = 0 [pid 5829] newfstatat(AT_FDCWD, "./182/binderfs", [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6746] munmap(0x7fa6be400000, 138412032 [pid 5833] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6748] <... openat resumed>) = 3 [pid 5829] unlink("./182/binderfs" [pid 6748] write(3, "1000", 4 [pid 6747] <... mmap resumed>) = 0x7fa6be400000 [pid 6748] <... write resumed>) = 4 [pid 6746] <... munmap resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6748] close(3 [pid 5829] getdents64(3, [pid 6748] <... close resumed>) = 0 [pid 6746] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6748] symlink("/dev/binderfs", "./binderfs" [pid 5829] close(3 [pid 6746] <... openat resumed>) = 4 [pid 5829] <... close resumed>) = 0 [pid 6748] <... symlink resumed>) = 0 [pid 6746] ioctl(4, LOOP_SET_FD, 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] rmdir("./182"executing program [pid 6748] write(1, "executing program\n", 18 [pid 6747] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6746] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... rmdir resumed>) = 0 [pid 6748] <... write resumed>) = 18 [pid 6746] ioctl(4, LOOP_CLR_FD [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] mkdir("./183", 0777) = 0 [pid 6746] <... ioctl resumed>) = 0 [pid 6748] memfd_create("syzkaller", 0 [pid 6747] <... write resumed>) = 524288 [pid 5833] newfstatat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6748] <... memfd_create resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 6748] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] umount2("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6748] <... mmap resumed>) = 0x7fa6be400000 [pid 6746] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... ioctl resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] close(3 [pid 6746] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... close resumed>) = 0 [pid 6746] close(4 [pid 5833] openat(AT_FDCWD, "./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6749 attached [pid 6746] <... close resumed>) = 0 [pid 5833] <... openat resumed>) = 4 [pid 6746] close(3 [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6749] set_robust_list(0x555567654760, 24 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6749] <... set_robust_list resumed>) = 0 [pid 5833] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6749 [pid 6749] chdir("./183" [pid 5833] close(4 [pid 6747] munmap(0x7fa6be400000, 138412032) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./176/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6749] <... chdir resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6747] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6748] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6747] ioctl(4, LOOP_SET_FD, 3 [pid 5833] umount2("./176/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6749] <... prctl resumed>) = 0 [pid 6748] <... write resumed>) = 524288 [pid 6746] <... close resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6749] setpgid(0, 0 [pid 5833] newfstatat(AT_FDCWD, "./176/binderfs", [pid 6749] <... setpgid resumed>) = 0 [pid 6746] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6748] munmap(0x7fa6be400000, 138412032 [pid 5833] unlink("./176/binderfs" [pid 6749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6748] <... munmap resumed>) = 0 [pid 6746] <... mknod resumed>) = 0 [pid 5833] <... unlink resumed>) = 0 [pid 6749] <... openat resumed>) = 3 [pid 6748] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6746] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(3, [pid 6748] <... openat resumed>) = 4 [pid 6746] <... link resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6749] write(3, "1000", 4 [pid 6748] ioctl(4, LOOP_SET_FD, 3 [pid 6746] sync( [pid 5833] close(3 [pid 6749] <... write resumed>) = 4 [pid 6748] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... close resumed>) = 0 [pid 6749] close(3 [pid 6748] ioctl(4, LOOP_CLR_FD) = 0 [pid 6747] <... ioctl resumed>) = 0 [pid 6749] <... close resumed>) = 0 [pid 6747] close(3) = 0 [pid 6747] close(4) = 0 [pid 6749] symlink("/dev/binderfs", "./binderfs" [pid 6747] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6749] <... symlink resumed>) = 0 [pid 6749] write(1, "executing program\n", 18 [pid 5833] rmdir("./176" [pid 6749] <... write resumed>) = 18 executing program [pid 6747] <... mkdir resumed>) = 0 [pid 6749] memfd_create("syzkaller", 0 [pid 6746] <... sync resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 6748] ioctl(4, LOOP_SET_FD, 3 [pid 6747] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6748] <... ioctl resumed>) = -1 EBUSY (Device or resource busy) [pid 6748] close(4 [pid 6746] exit_group(0 [pid 5833] mkdir("./177", 0777) = 0 [pid 6749] <... memfd_create resumed>) = 3 [pid 6746] <... exit_group resumed>) = ? [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [ 176.224925][ T6747] loop1: detected capacity change from 0 to 1024 [pid 6749] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6747] <... mount resumed>) = 0 [pid 6749] <... mmap resumed>) = 0x7fa6be400000 [pid 6746] +++ exited with 0 +++ [pid 5833] <... openat resumed>) = 3 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6746, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 6747] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6749] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6748] <... close resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 6748] close(3 [pid 6747] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6748] <... close resumed>) = 0 [pid 6747] <... chdir resumed>) = 0 [pid 6747] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6747] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5832] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6747] <... mknod resumed>) = 0 [pid 6747] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6748] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6747] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6749] <... write resumed>) = 524288 [pid 6748] <... mknod resumed>) = 0 [pid 6747] sync( [pid 5832] <... openat resumed>) = 3 [pid 6748] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6748] sync( [pid 6749] munmap(0x7fa6be400000, 138412032 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] newfstatat(3, "", [pid 6749] <... munmap resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6750 ./strace-static-x86_64: Process 6750 attached [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5832] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6749] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6750] set_robust_list(0x555567654760, 24 [pid 5832] newfstatat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6750] <... set_robust_list resumed>) = 0 [pid 6749] <... openat resumed>) = 4 [pid 5832] unlink("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6750] chdir("./177" [pid 6749] ioctl(4, LOOP_SET_FD, 3 [pid 6750] <... chdir resumed>) = 0 [pid 6750] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6750] setpgid(0, 0 [pid 6749] <... ioctl resumed>) = 0 [pid 6750] <... setpgid resumed>) = 0 [pid 6750] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6749] close(3 [pid 5832] <... unlink resumed>) = 0 [pid 6750] <... openat resumed>) = 3 [pid 6749] <... close resumed>) = 0 [pid 5832] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6749] close(4 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6749] <... close resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6750] write(3, "1000", 4 [pid 6749] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6750] <... write resumed>) = 4 [pid 6749] <... mkdir resumed>) = 0 [pid 6747] <... sync resumed>) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 6748] <... sync resumed>) = 0 [pid 6747] exit_group(0 [pid 6748] exit_group(0 [pid 6747] <... exit_group resumed>) = ? [pid 6748] <... exit_group resumed>) = ? [pid 6747] +++ exited with 0 +++ [pid 5832] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6750] close(3 [pid 6749] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6750] <... close resumed>) = 0 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [ 176.368135][ T6749] loop0: detected capacity change from 0 to 1024 [pid 6750] symlink("/dev/binderfs", "./binderfs" [pid 6749] <... mount resumed>) = 0 [pid 5832] newfstatat(AT_FDCWD, "./178/binderfs", [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6747, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6748] +++ exited with 0 +++ [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 6750] <... symlink resumed>) = 0 [pid 5830] <... restart_syscall resumed>) = 0 executing program [pid 6750] write(1, "executing program\n", 18 [pid 6749] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] unlink("./178/binderfs" [pid 6750] <... write resumed>) = 18 [pid 6750] memfd_create("syzkaller", 0 [pid 6749] <... openat resumed>) = 3 [pid 5832] <... unlink resumed>) = 0 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6748, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6750] <... memfd_create resumed>) = 3 [pid 5831] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6750] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6749] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] getdents64(3, [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6749] <... chdir resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6749] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] close(3 [pid 5830] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6750] <... mmap resumed>) = 0x7fa6be400000 [pid 6749] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5830] <... openat resumed>) = 3 [pid 5832] <... close resumed>) = 0 [pid 5830] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5832] rmdir("./178") = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6749] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] mkdir("./179", 0777 [pid 5831] <... openat resumed>) = 3 [pid 5830] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(3, "", [pid 5832] <... mkdir resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6749] <... mknod resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... openat resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6749] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] ioctl(3, LOOP_CLR_FD [pid 5830] <... umount2 resumed>) = 0 [pid 5831] unlink("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6750] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] <... unlink resumed>) = 0 [pid 5831] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 5832] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6751 attached [pid 5830] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6751] set_robust_list(0x555567654760, 24 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] newfstatat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6751] <... set_robust_list resumed>) = 0 [pid 5830] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6751] chdir("./179" [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6751 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6751] <... chdir resumed>) = 0 [pid 5830] openat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6751] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] <... openat resumed>) = 4 [pid 6751] <... prctl resumed>) = 0 [pid 5830] newfstatat(4, "", [pid 6751] setpgid(0, 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6751] <... setpgid resumed>) = 0 [pid 5831] unlink("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] getdents64(4, [pid 6751] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6751] <... openat resumed>) = 3 [pid 5830] close(4) = 0 [pid 5830] rmdir("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6751] write(3, "1000", 4 [pid 6750] <... write resumed>) = 524288 [pid 6751] <... write resumed>) = 4 [pid 6751] close(3) = 0 [pid 6751] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5831] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOWexecuting program [pid 6750] munmap(0x7fa6be400000, 138412032 [pid 6749] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./177/binderfs", [pid 6751] write(1, "executing program\n", 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6751] <... write resumed>) = 18 [pid 5831] unlink("./177/binderfs" [pid 6751] memfd_create("syzkaller", 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6749] sync( [pid 5831] getdents64(3, [pid 5830] newfstatat(AT_FDCWD, "./179/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./179/binderfs" [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] close(3 [pid 6751] <... memfd_create resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 6751] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5830] getdents64(3, [pid 6751] <... mmap resumed>) = 0x7fa6be400000 [pid 6750] <... munmap resumed>) = 0 [pid 5831] rmdir("./177" [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] close(3) = 0 [pid 5830] rmdir("./179") = 0 [pid 6750] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5831] <... rmdir resumed>) = 0 [pid 6750] <... openat resumed>) = 4 [pid 5831] mkdir("./178", 0777 [pid 6750] ioctl(4, LOOP_SET_FD, 3 [pid 5831] <... mkdir resumed>) = 0 [pid 5830] mkdir("./180", 0777) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] close(3 [pid 6751] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6751] <... write resumed>) = 524288 [pid 6750] <... ioctl resumed>) = 0 [pid 6749] <... sync resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6749] exit_group(0 [pid 5831] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6749] <... exit_group resumed>) = ? [pid 5831] close(3) = 0 ./strace-static-x86_64: Process 6752 attached [pid 6750] close(3) = 0 [pid 6749] +++ exited with 0 +++ [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6752] set_robust_list(0x555567654760, 24 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6752 [pid 6752] <... set_robust_list resumed>) = 0 [pid 6752] chdir("./180" [pid 6751] munmap(0x7fa6be400000, 138412032./strace-static-x86_64: Process 6753 attached ) = 0 [pid 6750] close(4 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6749, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 6753] set_robust_list(0x555567654760, 24) = 0 [pid 6753] chdir("./178" [pid 6752] <... chdir resumed>) = 0 [pid 6750] <... close resumed>) = 0 [pid 6753] <... chdir resumed>) = 0 [pid 5829] umount2("./183", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6753] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6752] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6750] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6753] <... prctl resumed>) = 0 [pid 6752] <... prctl resumed>) = 0 [pid 6751] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6750] <... mkdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./183", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6753] setpgid(0, 0 [pid 6752] setpgid(0, 0 [pid 6751] <... openat resumed>) = 4 [pid 6750] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] <... openat resumed>) = 3 [pid 6753] <... setpgid resumed>) = 0 [ 176.504858][ T6750] loop4: detected capacity change from 0 to 1024 [pid 5829] newfstatat(3, "", [pid 6753] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6752] <... setpgid resumed>) = 0 [pid 6751] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6753] <... openat resumed>) = 3 [pid 6752] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6753 [pid 5829] getdents64(3, [pid 6753] write(3, "1000", 4) = 4 [pid 6752] <... openat resumed>) = 3 [pid 6751] <... ioctl resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6753] close(3 [pid 6752] write(3, "1000", 4 [pid 6751] close(3 [pid 6753] <... close resumed>) = 0 [pid 6752] <... write resumed>) = 4 [pid 6751] <... close resumed>) = 0 [pid 5829] umount2("./183/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6752] close(3 [pid 6751] close(4 [pid 6752] <... close resumed>) = 0 executing program executing program [pid 6751] <... close resumed>) = 0 [pid 6753] symlink("/dev/binderfs", "./binderfs" [pid 6752] symlink("/dev/binderfs", "./binderfs" [pid 6753] <... symlink resumed>) = 0 [pid 6751] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6750] <... mount resumed>) = 0 [pid 6753] write(1, "executing program\n", 18 [pid 6752] <... symlink resumed>) = 0 [pid 6751] <... mkdir resumed>) = 0 [pid 6753] <... write resumed>) = 18 [pid 6752] write(1, "executing program\n", 18 [pid 6751] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6750] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6753] memfd_create("syzkaller", 0 [pid 6752] <... write resumed>) = 18 [pid 6750] <... openat resumed>) = 3 [pid 6752] memfd_create("syzkaller", 0 [pid 6750] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6752] <... memfd_create resumed>) = 3 [pid 6750] <... chdir resumed>) = 0 [pid 6752] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6750] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6753] <... memfd_create resumed>) = 3 [pid 6752] <... mmap resumed>) = 0x7fa6be400000 [pid 6750] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6753] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6752] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6751] <... mount resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6753] <... mmap resumed>) = 0x7fa6be400000 [pid 6751] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6753] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6751] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6750] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] umount2("./183/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6751] <... chdir resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6751] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6750] <... mknod resumed>) = 0 [pid 5829] newfstatat(AT_FDCWD, "./183/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6751] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6750] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6751] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] umount2("./183/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./183/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6751] <... mknod resumed>) = 0 [pid 5829] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 176.558245][ T6751] loop3: detected capacity change from 0 to 1024 [pid 5829] getdents64(4, [pid 6751] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6750] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] getdents64(4, [pid 6750] sync( [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6753] <... write resumed>) = 524288 [pid 6752] <... write resumed>) = 524288 [pid 5829] close(4 [pid 6753] munmap(0x7fa6be400000, 138412032 [pid 6752] munmap(0x7fa6be400000, 138412032 [pid 6751] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6753] <... munmap resumed>) = 0 [pid 6752] <... munmap resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 6753] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5829] rmdir("./183/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6751] sync( [pid 5829] <... rmdir resumed>) = 0 [pid 6752] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 6753] <... openat resumed>) = 4 [pid 6753] ioctl(4, LOOP_SET_FD, 3 [pid 5829] umount2("./183/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6752] ioctl(4, LOOP_SET_FD, 3 [pid 6750] <... sync resumed>) = 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./183/binderfs", [pid 6750] exit_group(0) = ? [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./183/binderfs" [pid 6751] <... sync resumed>) = 0 [pid 6750] +++ exited with 0 +++ [pid 5829] <... unlink resumed>) = 0 [pid 6751] exit_group(0 [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6750, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 6753] <... ioctl resumed>) = 0 [pid 5829] getdents64(3, [pid 6753] close(3 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 6753] <... close resumed>) = 0 [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6753] close(4 [pid 6752] <... ioctl resumed>) = 0 [pid 5829] close(3 [pid 6753] <... close resumed>) = 0 [pid 6752] close(3 [pid 6751] <... exit_group resumed>) = ? [pid 5833] <... restart_syscall resumed>) = 0 [pid 6753] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6752] <... close resumed>) = 0 [pid 6751] +++ exited with 0 +++ [pid 5829] <... close resumed>) = 0 [pid 6752] close(4 [pid 5829] rmdir("./183" [pid 6753] <... mkdir resumed>) = 0 [pid 6752] <... close resumed>) = 0 [pid 5833] umount2("./177", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6751, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6753] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... rmdir resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./177", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5833] newfstatat(3, "", [pid 5829] mkdir("./184", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [ 176.652930][ T6753] loop2: detected capacity change from 0 to 1024 [ 176.659775][ T6752] loop1: detected capacity change from 0 to 1024 [pid 6752] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] getdents64(3, [pid 5832] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... openat resumed>) = 3 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5833] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... openat resumed>) = 3 [pid 5832] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6752] <... mkdir resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD) = 0 [pid 6752] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6754 attached [pid 6753] <... mount resumed>) = 0 [pid 6752] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6754 [pid 6752] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6753] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6752] <... openat resumed>) = 3 [pid 6753] <... openat resumed>) = 3 [pid 6754] set_robust_list(0x555567654760, 24) = 0 [pid 6754] chdir("./184") = 0 [pid 5832] <... umount2 resumed>) = 0 [pid 6754] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6753] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6752] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6753] <... chdir resumed>) = 0 [pid 6752] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6753] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6752] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5832] newfstatat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6754] <... prctl resumed>) = 0 [pid 6752] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6754] setpgid(0, 0 [pid 6753] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6752] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] umount2("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6754] <... setpgid resumed>) = 0 [pid 6754] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6754] write(3, "1000", 4) = 4 [pid 6754] close(3 [pid 6753] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] openat(AT_FDCWD, "./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5832] openat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6754] <... close resumed>) = 0 [pid 6754] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5833] <... openat resumed>) = 4 [pid 5832] <... openat resumed>) = 4 [pid 5833] newfstatat(4, "", [pid 5832] newfstatat(4, "", executing program [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5833] getdents64(4, [pid 6754] write(1, "executing program\n", 18) = 18 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, [pid 6754] memfd_create("syzkaller", 0 [pid 5833] getdents64(4, [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] close(4 [pid 5832] getdents64(4, [pid 5833] <... close resumed>) = 0 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6752] <... mknod resumed>) = 0 [pid 5833] rmdir("./177/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] close(4 [pid 6752] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] <... close resumed>) = 0 [pid 6753] <... mknod resumed>) = 0 [pid 5833] <... rmdir resumed>) = 0 [pid 5832] rmdir("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./177/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6754] <... memfd_create resumed>) = 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6754] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6753] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6754] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] newfstatat(AT_FDCWD, "./177/binderfs", [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] newfstatat(AT_FDCWD, "./179/binderfs", [pid 5833] unlink("./177/binderfs") = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] getdents64(3, [pid 5832] unlink("./179/binderfs" [pid 6752] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6754] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6752] sync( [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] <... unlink resumed>) = 0 [pid 5833] close(3 [pid 5832] getdents64(3, [pid 5833] <... close resumed>) = 0 [pid 6753] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] rmdir("./177" [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6753] sync( [pid 5833] <... rmdir resumed>) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./179" [pid 5833] mkdir("./178", 0777 [pid 6754] <... write resumed>) = 524288 [pid 5832] <... rmdir resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] mkdir("./180", 0777 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] <... mkdir resumed>) = 0 [pid 6753] <... sync resumed>) = 0 [pid 6752] <... sync resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6754] munmap(0x7fa6be400000, 138412032 [pid 6752] exit_group(0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] <... openat resumed>) = 3 [pid 6753] exit_group(0 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6753] <... exit_group resumed>) = ? [pid 5833] <... ioctl resumed>) = 0 [pid 5833] close(3 [pid 5832] <... ioctl resumed>) = 0 [pid 6754] <... munmap resumed>) = 0 [pid 6754] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 [pid 6753] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5832] close(3 [pid 6754] ioctl(4, LOOP_SET_FD, 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6753, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] restart_syscall(<... resuming interrupted clone ...>) = 0 ./strace-static-x86_64: Process 6755 attached [pid 6752] <... exit_group resumed>) = ? [pid 5831] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6752] +++ exited with 0 +++ [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6752, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] <... openat resumed>) = 3 [pid 6755] set_robust_list(0x555567654760, 24 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6755 [pid 5831] newfstatat(3, "", [pid 6755] <... set_robust_list resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... restart_syscall resumed>) = 0 [pid 6755] chdir("./178" [pid 5831] getdents64(3, [pid 5832] <... close resumed>) = 0 [pid 5830] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6756 attached [pid 5830] newfstatat(3, "", [pid 6755] <... chdir resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6756 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6756] set_robust_list(0x555567654760, 24 [pid 6755] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] getdents64(3, [pid 6756] <... set_robust_list resumed>) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6756] chdir("./180" [pid 6754] <... ioctl resumed>) = 0 [pid 5830] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] <... prctl resumed>) = 0 [pid 6756] <... chdir resumed>) = 0 [pid 6755] setpgid(0, 0 [pid 6754] close(3 [pid 6756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6755] <... setpgid resumed>) = 0 [pid 6754] <... close resumed>) = 0 [pid 6754] close(4 [pid 6755] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6756] <... prctl resumed>) = 0 [pid 6755] <... openat resumed>) = 3 [pid 6754] <... close resumed>) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 6756] setpgid(0, 0 [pid 6754] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6756] <... setpgid resumed>) = 0 [pid 6755] write(3, "1000", 4 [pid 6754] <... mkdir resumed>) = 0 [pid 5831] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6755] <... write resumed>) = 4 [pid 6754] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6755] close(3 [pid 5831] newfstatat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] newfstatat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6755] <... close resumed>) = 0 [pid 6756] <... openat resumed>) = 3 [pid 6755] symlink("/dev/binderfs", "./binderfs" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6756] write(3, "1000", 4 [pid 6755] <... symlink resumed>) = 0 [pid 5831] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] write(1, "executing program\n", 18 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6755] <... write resumed>) = 18 [pid 5831] openat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6756] <... write resumed>) = 4 [ 176.855944][ T6754] loop0: detected capacity change from 0 to 1024 [pid 5831] <... openat resumed>) = 4 [pid 5830] <... openat resumed>) = 4 [pid 6756] close(3) = 0 [pid 5830] newfstatat(4, "", [pid 6756] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6755] memfd_create("syzkaller", 0 [pid 5831] newfstatat(4, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6756] write(1, "executing program\n", 18 [pid 6755] <... memfd_create resumed>) = 3 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(4, [pid 6756] <... write resumed>) = 18 [pid 6755] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] getdents64(4, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6756] memfd_create("syzkaller", 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] getdents64(4, [pid 6756] <... memfd_create resumed>) = 3 [pid 6755] <... mmap resumed>) = 0x7fa6be400000 [pid 6754] <... mount resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] close(4 [pid 6756] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6754] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] close(4 [pid 5830] <... close resumed>) = 0 [pid 6756] <... mmap resumed>) = 0x7fa6be400000 [pid 6754] <... openat resumed>) = 3 [pid 5831] <... close resumed>) = 0 [pid 5830] rmdir("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6756] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6754] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] rmdir("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... rmdir resumed>) = 0 [pid 6754] <... chdir resumed>) = 0 [pid 6754] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6754] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5830] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] <... rmdir resumed>) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] newfstatat(AT_FDCWD, "./180/binderfs", [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6755] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] newfstatat(AT_FDCWD, "./178/binderfs", [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6754] <... mknod resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] unlink("./180/binderfs" [pid 5831] unlink("./178/binderfs" [pid 6754] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... unlink resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5831] getdents64(3, [pid 5830] getdents64(3, [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3 [pid 5830] close(3 [pid 5831] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5831] rmdir("./178" [pid 5830] rmdir("./180") = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 6754] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] mkdir("./179", 0777 [pid 5830] mkdir("./181", 0777 [pid 6754] sync( [pid 5831] <... mkdir resumed>) = 0 [pid 5830] <... mkdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD [pid 6756] <... write resumed>) = 524288 [pid 5831] <... ioctl resumed>) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6755] <... write resumed>) = 524288 [pid 5831] close(3 [pid 6755] munmap(0x7fa6be400000, 138412032 [pid 5831] <... close resumed>) = 0 [pid 5830] <... openat resumed>) = 3 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... ioctl resumed>) = 0 ./strace-static-x86_64: Process 6757 attached [pid 6756] munmap(0x7fa6be400000, 138412032 [pid 6755] <... munmap resumed>) = 0 [pid 6756] <... munmap resumed>) = 0 [pid 5830] close(3 [pid 6757] set_robust_list(0x555567654760, 24) = 0 [pid 6756] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6755] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5830] <... close resumed>) = 0 [pid 6757] chdir("./179" [pid 6756] <... openat resumed>) = 4 [pid 6756] ioctl(4, LOOP_SET_FD, 3 [pid 6755] <... openat resumed>) = 4 [pid 6757] <... chdir resumed>) = 0 [pid 6756] <... ioctl resumed>) = 0 [pid 6755] ioctl(4, LOOP_SET_FD, 3 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6758 attached [pid 6758] set_robust_list(0x555567654760, 24 [pid 6757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6755] <... ioctl resumed>) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6757 [pid 6754] <... sync resumed>) = 0 [pid 6758] <... set_robust_list resumed>) = 0 [pid 6757] <... prctl resumed>) = 0 [pid 6756] close(3 [pid 6755] close(3 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6758 [pid 6758] chdir("./181" [pid 6756] <... close resumed>) = 0 [pid 6758] <... chdir resumed>) = 0 [pid 6757] setpgid(0, 0 [pid 6758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6757] <... setpgid resumed>) = 0 [pid 6756] close(4 [pid 6755] <... close resumed>) = 0 [pid 6754] exit_group(0 [pid 6758] <... prctl resumed>) = 0 [pid 6756] <... close resumed>) = 0 [pid 6754] <... exit_group resumed>) = ? [pid 6757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] setpgid(0, 0 [pid 6755] close(4 [pid 6758] <... setpgid resumed>) = 0 [pid 6757] <... openat resumed>) = 3 [pid 6756] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6755] <... close resumed>) = 0 [pid 6754] +++ exited with 0 +++ [pid 6758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6757] write(3, "1000", 4 [pid 6756] <... mkdir resumed>) = 0 [pid 6755] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6754, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6757] <... write resumed>) = 4 [pid 6755] <... mkdir resumed>) = 0 [ 177.009865][ T6756] loop3: detected capacity change from 0 to 1024 [ 177.020390][ T6755] loop4: detected capacity change from 0 to 1024 [pid 6758] <... openat resumed>) = 3 [pid 6757] close(3 [pid 6756] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6755] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6757] <... close resumed>) = 0 [pid 5829] umount2("./184", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./184", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] umount2("./184/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6758] write(3, "1000", 4 [pid 6757] symlink("/dev/binderfs", "./binderfs" [pid 6758] <... write resumed>) = 4 [pid 6757] <... symlink resumed>) = 0 executing program [pid 6757] write(1, "executing program\n", 18 [pid 6758] close(3) = 0 [pid 6757] <... write resumed>) = 18 [pid 6758] symlink("/dev/binderfs", "./binderfs" [pid 6757] memfd_create("syzkaller", 0 [pid 6755] <... mount resumed>) = 0 [pid 5829] <... umount2 resumed>) = 0 [pid 6757] <... memfd_create resumed>) = 3 [pid 6757] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6758] <... symlink resumed>) = 0 [pid 6757] <... mmap resumed>) = 0x7fa6be400000 [pid 6755] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6756] <... mount resumed>) = 0 [pid 5829] umount2("./184/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6756] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] <... openat resumed>) = 3 [pid 6755] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] newfstatat(AT_FDCWD, "./184/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6758] write(1, "executing program\n", 18executing program ) = 18 [pid 6757] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6756] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6755] <... chdir resumed>) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6755] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5829] umount2("./184/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6758] memfd_create("syzkaller", 0 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] <... chdir resumed>) = 0 [pid 5829] openat(AT_FDCWD, "./184/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6758] <... memfd_create resumed>) = 3 [pid 6756] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 5829] <... openat resumed>) = 4 [pid 6756] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] getdents64(4, [pid 6758] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6755] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6756] <... mknod resumed>) = 0 [pid 6755] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5829] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] close(4) = 0 [pid 6756] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] rmdir("./184/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6758] <... mmap resumed>) = 0x7fa6be400000 [pid 5829] <... rmdir resumed>) = 0 [pid 5829] umount2("./184/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./184/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6758] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5829] unlink("./184/binderfs") = 0 [pid 6757] <... write resumed>) = 524288 [pid 5829] getdents64(3, [pid 6756] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6756] sync( [pid 5829] close(3 [pid 6755] <... mknod resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5829] rmdir("./184" [pid 6755] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5829] <... rmdir resumed>) = 0 [pid 5829] mkdir("./185", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 3 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6758] <... write resumed>) = 524288 [pid 6757] munmap(0x7fa6be400000, 138412032 [pid 6756] <... sync resumed>) = 0 [pid 6755] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5829] <... ioctl resumed>) = 0 [pid 5829] close(3) = 0 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6759 attached [pid 6756] exit_group(0 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6759 [pid 6758] munmap(0x7fa6be400000, 138412032) = 0 [pid 6757] <... munmap resumed>) = 0 [pid 6755] sync( [pid 6758] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6757] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6756] <... exit_group resumed>) = ? [pid 6758] <... openat resumed>) = 4 executing program [pid 6759] set_robust_list(0x555567654760, 24 [pid 6758] ioctl(4, LOOP_SET_FD, 3 [pid 6757] <... openat resumed>) = 4 [pid 6756] +++ exited with 0 +++ [pid 6759] <... set_robust_list resumed>) = 0 [pid 6759] chdir("./185") = 0 [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6759] setpgid(0, 0) = 0 [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6759] write(3, "1000", 4) = 4 [pid 6759] close(3) = 0 [pid 6759] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6759] write(1, "executing program\n", 18) = 18 [pid 6759] memfd_create("syzkaller", 0 [pid 6757] ioctl(4, LOOP_SET_FD, 3 [pid 6759] <... memfd_create resumed>) = 3 [pid 6758] <... ioctl resumed>) = 0 [pid 6755] <... sync resumed>) = 0 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6756, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 6759] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6755] exit_group(0 [pid 6759] <... mmap resumed>) = 0x7fa6be400000 [pid 6758] close(3 [pid 6755] <... exit_group resumed>) = ? [pid 5832] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6755] +++ exited with 0 +++ [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6758] <... close resumed>) = 0 [pid 5832] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6755, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 6759] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6758] close(4 [pid 5833] restart_syscall(<... resuming interrupted clone ...> [pid 5832] <... openat resumed>) = 3 [pid 6758] <... close resumed>) = 0 [pid 5833] <... restart_syscall resumed>) = 0 [pid 5832] newfstatat(3, "", [pid 6757] <... ioctl resumed>) = 0 [pid 6758] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6757] close(3 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(3, [pid 6757] <... close resumed>) = 0 [pid 5833] umount2("./178", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6757] close(4 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] openat(AT_FDCWD, "./178", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6758] <... mkdir resumed>) = 0 [pid 6757] <... close resumed>) = 0 [pid 5833] newfstatat(3, "", [pid 5832] <... umount2 resumed>) = 0 [pid 6757] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [ 177.212318][ T6758] loop1: detected capacity change from 0 to 1024 [ 177.230184][ T6757] loop2: detected capacity change from 0 to 1024 [pid 5833] getdents64(3, [pid 5832] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6759] <... write resumed>) = 524288 [pid 6758] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6757] <... mkdir resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5833] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6759] munmap(0x7fa6be400000, 138412032 [pid 6757] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6759] <... munmap resumed>) = 0 [pid 5832] close(4) = 0 [pid 5832] rmdir("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6759] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... rmdir resumed>) = 0 [pid 6759] <... openat resumed>) = 4 [pid 6759] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6759] ioctl(4, LOOP_CLR_FD) = 0 [pid 5832] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./180/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./180/binderfs") = 0 [pid 6759] ioctl(4, LOOP_SET_FD, 3) = -1 EBUSY (Device or resource busy) [pid 6759] close(4) = 0 [pid 6758] <... mount resumed>) = 0 [pid 5832] getdents64(3, [pid 6758] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3) = 0 [pid 5832] rmdir("./180") = 0 [pid 5832] mkdir("./181", 0777 [pid 6758] <... openat resumed>) = 3 [pid 5833] <... umount2 resumed>) = 0 [pid 5832] <... mkdir resumed>) = 0 [pid 6758] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6759] close(3 [pid 6758] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 6757] <... mount resumed>) = 0 [pid 6759] <... close resumed>) = 0 [pid 6758] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6757] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5832] <... openat resumed>) = 3 [pid 6758] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6757] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6760 attached [pid 6759] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6758] <... mknod resumed>) = 0 [pid 6757] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6760 [pid 6759] <... mknod resumed>) = 0 [pid 6760] set_robust_list(0x555567654760, 24 [pid 6759] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6758] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6757] <... chdir resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6760] <... set_robust_list resumed>) = 0 [pid 6759] <... link resumed>) = 0 [pid 6757] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5833] newfstatat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6760] chdir("./181" [pid 6757] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6757] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] umount2("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6760] <... chdir resumed>) = 0 [pid 6759] sync( [pid 6760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6760] <... prctl resumed>) = 0 [pid 5833] openat(AT_FDCWD, "./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6760] setpgid(0, 0 [pid 5833] <... openat resumed>) = 4 [pid 6760] <... setpgid resumed>) = 0 [pid 6760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6760] <... openat resumed>) = 3 [pid 6757] <... mknod resumed>) = 0 [pid 6757] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6760] write(3, "1000", 4 [pid 5833] getdents64(4, [pid 6760] <... write resumed>) = 4 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6760] close(3 [pid 5833] close(4 [pid 6760] <... close resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6760] symlink("/dev/binderfs", "./binderfs" [pid 5833] rmdir("./178/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6760] <... symlink resumed>) = 0 [pid 6758] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... rmdir resumed>) = 0 executing program [pid 6760] write(1, "executing program\n", 18 [pid 6758] sync( [pid 6760] <... write resumed>) = 18 [pid 6760] memfd_create("syzkaller", 0 [pid 5833] umount2("./178/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./178/binderfs", [pid 6760] <... memfd_create resumed>) = 3 [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6760] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] unlink("./178/binderfs" [pid 6760] <... mmap resumed>) = 0x7fa6be400000 [pid 5833] <... unlink resumed>) = 0 [pid 6760] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5833] getdents64(3, [pid 6757] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5833] close(3) = 0 [pid 5833] rmdir("./178" [pid 6757] sync( [pid 5833] <... rmdir resumed>) = 0 [pid 5833] mkdir("./179", 0777) = 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 3 [pid 5833] ioctl(3, LOOP_CLR_FD) = 0 [pid 5833] close(3 [pid 6760] <... write resumed>) = 524288 [pid 6759] <... sync resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 6759] exit_group(0) = ? [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6759] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6759, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6760] munmap(0x7fa6be400000, 138412032 [pid 6758] <... sync resumed>) = 0 [pid 6758] exit_group(0 [pid 6757] <... sync resumed>) = 0 [pid 6760] <... munmap resumed>) = 0 [pid 6758] <... exit_group resumed>) = ? [pid 6757] exit_group(0./strace-static-x86_64: Process 6761 attached [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6761 [pid 6760] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6760] ioctl(4, LOOP_SET_FD, 3 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6758] +++ exited with 0 +++ [pid 6757] <... exit_group resumed>) = ? [pid 6761] set_robust_list(0x555567654760, 24 [pid 5829] umount2("./185", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6758, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./185", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6761] <... set_robust_list resumed>) = 0 [pid 6757] +++ exited with 0 +++ [pid 5830] <... restart_syscall resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6757, si_uid=0, si_status=0, si_utime=0, si_stime=3 /* 0.03 s */} --- [pid 5829] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6761] chdir("./179" [pid 5830] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] getdents64(3, [pid 6761] <... chdir resumed>) = 0 [pid 5831] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 5 entries */, 32768) = 632 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] umount2("./185/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... openat resumed>) = 3 [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6761] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5829] newfstatat(AT_FDCWD, "./185/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 6761] setpgid(0, 0) = 0 [pid 5831] newfstatat(3, "", [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6761] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, [pid 5829] unlink("./185/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] getdents64(3, [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5829] <... unlink resumed>) = 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./185/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./185/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFREG|000, st_size=0, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./185/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5829] umount2("./185/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5829] newfstatat(AT_FDCWD, "./185/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] unlink("./185/binderfs") = 0 [pid 5829] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3) = 0 [pid 5829] rmdir("./185") = 0 [pid 5829] mkdir("./186", 0777) = 0 [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6760] <... ioctl resumed>) = 0 [pid 5829] <... openat resumed>) = 3 [pid 6760] close(3) = 0 [pid 6761] <... openat resumed>) = 3 [pid 6760] close(4 [pid 5831] <... umount2 resumed>) = 0 [pid 5830] <... umount2 resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 6760] <... close resumed>) = 0 [pid 6760] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6761] write(3, "1000", 4 [pid 6760] <... mkdir resumed>) = 0 [pid 5829] <... ioctl resumed>) = -1 ENXIO (No such device or address) [pid 6761] <... write resumed>) = 4 [pid 5831] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... close resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6762 attached [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] newfstatat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6760] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5831] openat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] set_robust_list(0x555567654760, 24 [pid 6761] close(3 [pid 5831] <... openat resumed>) = 4 [pid 5830] openat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6762] <... set_robust_list resumed>) = 0 [pid 5831] newfstatat(4, "", [pid 5830] <... openat resumed>) = 4 [pid 6762] chdir("./186" [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6762] <... chdir resumed>) = 0 [pid 6761] <... close resumed>) = 0 [pid 5831] getdents64(4, [pid 5830] newfstatat(4, "", [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6762 [pid 6762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6761] symlink("/dev/binderfs", "./binderfs" [pid 6760] <... mount resumed>) = 0 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6762] <... prctl resumed>) = 0 [pid 6762] setpgid(0, 0 [pid 6760] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] getdents64(4, [pid 5830] getdents64(4, [pid 6762] <... setpgid resumed>) = 0 [pid 6760] <... openat resumed>) = 3 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6761] <... symlink resumed>) = 0 [pid 6760] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(4, [pid 6761] write(1, "executing program\n", 18executing program [pid 6762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6761] <... write resumed>) = 18 [pid 6760] <... chdir resumed>) = 0 [pid 5831] close(4 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [ 177.443822][ T6760] loop3: detected capacity change from 0 to 1024 [pid 6762] <... openat resumed>) = 3 [pid 6761] memfd_create("syzkaller", 0 [pid 6760] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5831] <... close resumed>) = 0 [pid 5830] close(4 [pid 6761] <... memfd_create resumed>) = 3 [pid 6760] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5831] rmdir("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... close resumed>) = 0 [pid 6761] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6760] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5831] <... rmdir resumed>) = 0 [pid 6762] write(3, "1000", 4 [pid 6761] <... mmap resumed>) = 0x7fa6be400000 [pid 5830] rmdir("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6762] <... write resumed>) = 4 [pid 6761] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5831] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] close(3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] <... close resumed>) = 0 [pid 6760] <... mknod resumed>) = 0 [pid 5831] newfstatat(AT_FDCWD, "./179/binderfs", [pid 5830] <... rmdir resumed>) = 0 [pid 6762] symlink("/dev/binderfs", "./binderfs" [pid 6760] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"executing program [pid 6762] <... symlink resumed>) = 0 [pid 6762] write(1, "executing program\n", 18 [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] <... write resumed>) = 18 [pid 5831] unlink("./179/binderfs" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] memfd_create("syzkaller", 0 [pid 5831] <... unlink resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] getdents64(3, [pid 5830] unlink("./181/binderfs" [pid 6762] <... memfd_create resumed>) = 3 [pid 5830] <... unlink resumed>) = 0 [pid 6762] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] getdents64(3, [pid 6762] <... mmap resumed>) = 0x7fa6be400000 [pid 5831] close(3 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] <... close resumed>) = 0 [pid 5830] close(3 [pid 5831] rmdir("./179" [pid 5830] <... close resumed>) = 0 [pid 5831] <... rmdir resumed>) = 0 [pid 5830] rmdir("./181") = 0 [pid 5831] mkdir("./180", 0777) = 0 [pid 5830] mkdir("./182", 0777 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5830] <... mkdir resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6760] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 5831] close(3 [pid 5830] <... openat resumed>) = 3 [pid 6760] sync( [pid 5831] <... close resumed>) = 0 [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5830] <... ioctl resumed>) = 0 [pid 5830] close(3 [pid 6761] <... write resumed>) = 524288 [pid 5830] <... close resumed>) = 0 ./strace-static-x86_64: Process 6763 attached [pid 6762] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6761] munmap(0x7fa6be400000, 138412032 [pid 6763] set_robust_list(0x555567654760, 24) = 0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6763 [pid 6763] chdir("./180" [pid 6761] <... munmap resumed>) = 0 [pid 6763] <... chdir resumed>) = 0 [pid 6763] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6763] <... prctl resumed>) = 0 [pid 6763] setpgid(0, 0 [pid 6761] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 6760] <... sync resumed>) = 0 [pid 6763] <... setpgid resumed>) = 0 [pid 6763] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6761] <... openat resumed>) = 4 [pid 6760] exit_group(0 [pid 6761] ioctl(4, LOOP_SET_FD, 3 [pid 6763] <... openat resumed>) = 3 [pid 6760] <... exit_group resumed>) = ? [pid 6763] write(3, "1000", 4 [pid 6760] +++ exited with 0 +++ [pid 6763] <... write resumed>) = 4 [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6760, si_uid=0, si_status=0, si_utime=0, si_stime=1 /* 0.01 s */} --- [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 6763] close(3 [pid 5832] <... restart_syscall resumed>) = 0 [pid 6763] <... close resumed>) = 0 executing program [pid 6762] <... write resumed>) = 524288 ./strace-static-x86_64: Process 6764 attached [pid 6763] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5832] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6764 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6763] write(1, "executing program\n", 18 [pid 5832] newfstatat(3, "", [pid 6763] <... write resumed>) = 18 [pid 6764] set_robust_list(0x555567654760, 24 [pid 6762] munmap(0x7fa6be400000, 138412032) = 0 [pid 6764] <... set_robust_list resumed>) = 0 [pid 6764] chdir("./182") = 0 [pid 6764] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6763] memfd_create("syzkaller", 0 [pid 6764] <... prctl resumed>) = 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6764] setpgid(0, 0 [pid 5832] getdents64(3, [pid 6764] <... setpgid resumed>) = 0 [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 6764] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6763] <... memfd_create resumed>) = 3 [pid 6761] <... ioctl resumed>) = 0 [pid 5832] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6762] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6763] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6762] <... openat resumed>) = 4 [pid 6763] <... mmap resumed>) = 0x7fa6be400000 [pid 6762] ioctl(4, LOOP_SET_FD, 3 [pid 6761] close(3 [pid 6764] <... openat resumed>) = 3 [pid 6761] <... close resumed>) = 0 [pid 6764] write(3, "1000", 4) = 4 [pid 6761] close(4 [pid 5832] <... umount2 resumed>) = 0 [pid 6764] close(3) = 0 [pid 6764] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6761] <... close resumed>) = 0 [pid 6764] write(1, "executing program\n", 18executing program [pid 6761] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6764] <... write resumed>) = 18 [pid 6764] memfd_create("syzkaller", 0) = 3 [pid 6764] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6761] <... mkdir resumed>) = 0 [pid 6761] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6763] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6764] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6763] <... write resumed>) = 524288 [pid 6762] <... ioctl resumed>) = 0 [pid 6762] close(3) = 0 [pid 6762] close(4) = 0 [pid 6762] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 5832] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] openat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 6763] munmap(0x7fa6be400000, 138412032) = 0 [pid 5832] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5832] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [ 177.581716][ T6761] loop4: detected capacity change from 0 to 1024 [ 177.605015][ T6762] loop0: detected capacity change from 0 to 1024 [pid 6764] <... write resumed>) = 524288 [pid 6762] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6761] <... mount resumed>) = 0 [pid 6761] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6763] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5832] close(4 [pid 6763] <... openat resumed>) = 4 [pid 5832] <... close resumed>) = 0 [pid 6761] <... openat resumed>) = 3 [pid 6763] ioctl(4, LOOP_SET_FD, 3 [pid 6761] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5832] rmdir("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6763] <... ioctl resumed>) = 0 [pid 6761] <... chdir resumed>) = 0 [pid 5832] <... rmdir resumed>) = 0 [pid 6761] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5832] unlink("./181/binderfs") = 0 [pid 5832] getdents64(3, [pid 6761] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5832] close(3 [pid 6761] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5832] <... close resumed>) = 0 [pid 5832] rmdir("./181") = 0 [pid 6764] munmap(0x7fa6be400000, 138412032) = 0 [pid 5832] mkdir("./182", 0777) = 0 [pid 6764] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = 4 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD [pid 6764] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... ioctl resumed>) = 0 [pid 6762] <... mount resumed>) = 0 [pid 6761] <... mknod resumed>) = 0 [pid 5832] close(3 [pid 6762] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6761] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6763] close(3) = 0 [pid 5832] <... close resumed>) = 0 [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6763] close(4) = 0 [pid 6763] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6762] <... openat resumed>) = 3 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6765 [pid 6762] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6763] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6762] openat(AT_FDCWD, "/dev/loop0", O_RDWR) = -1 EBUSY (Device or resource busy) ./strace-static-x86_64: Process 6765 attached [pid 6765] set_robust_list(0x555567654760, 24 [pid 6762] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6765] <... set_robust_list resumed>) = 0 [pid 6765] chdir("./182") = 0 [pid 6765] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6765] setpgid(0, 0) = 0 [pid 6765] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6762] <... mknod resumed>) = 0 [pid 6761] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6762] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6761] sync(executing program [pid 6765] write(3, "1000", 4 [pid 6764] <... ioctl resumed>) = 0 [pid 6765] <... write resumed>) = 4 [pid 6764] close(3 [pid 6765] close(3 [pid 6764] <... close resumed>) = 0 [pid 6765] <... close resumed>) = 0 [pid 6764] close(4 [pid 6765] symlink("/dev/binderfs", "./binderfs" [pid 6764] <... close resumed>) = 0 [pid 6765] <... symlink resumed>) = 0 [pid 6765] write(1, "executing program\n", 18 [pid 6764] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6765] <... write resumed>) = 18 [pid 6764] <... mkdir resumed>) = 0 [pid 6765] memfd_create("syzkaller", 0) = 3 [pid 6764] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6765] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [ 177.670980][ T6763] loop2: detected capacity change from 0 to 1024 [ 177.693161][ T6764] loop1: detected capacity change from 0 to 1024 [pid 6763] <... mount resumed>) = 0 [pid 6762] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6762] sync( [pid 6765] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6763] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6763] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6763] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6763] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6765] <... write resumed>) = 524288 [pid 6764] <... mount resumed>) = 0 [pid 6763] <... mknod resumed>) = 0 [pid 6764] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6764] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6764] openat(AT_FDCWD, "/dev/loop1", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6763] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6765] munmap(0x7fa6be400000, 138412032 [pid 6764] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6765] <... munmap resumed>) = 0 [pid 6765] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6765] ioctl(4, LOOP_SET_FD, 3 [pid 6764] <... mknod resumed>) = 0 [pid 6764] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6763] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6763] sync( [pid 6764] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6764] sync( [pid 6765] <... ioctl resumed>) = 0 [pid 6762] <... sync resumed>) = 0 [pid 6761] <... sync resumed>) = 0 [pid 6762] exit_group(0) = ? [pid 6765] close(3 [pid 6761] exit_group(0 [pid 6765] <... close resumed>) = 0 [pid 6761] <... exit_group resumed>) = ? [pid 6765] close(4 [pid 6762] +++ exited with 0 +++ [pid 5829] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6762, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5829] restart_syscall(<... resuming interrupted clone ...> [pid 6763] <... sync resumed>) = 0 [pid 5829] <... restart_syscall resumed>) = 0 [pid 6765] <... close resumed>) = 0 [ 177.803927][ T6765] loop3: detected capacity change from 0 to 1024 [pid 6763] exit_group(0 [pid 6765] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6761] +++ exited with 0 +++ [pid 5833] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6761, si_uid=0, si_status=0, si_utime=0, si_stime=6 /* 0.06 s */} --- [pid 5833] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6765] <... mkdir resumed>) = 0 [pid 5829] umount2("./186", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./179", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6764] <... sync resumed>) = 0 [pid 6763] <... exit_group resumed>) = ? [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6765] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6764] exit_group(0 [pid 6763] +++ exited with 0 +++ [pid 5833] openat(AT_FDCWD, "./179", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] openat(AT_FDCWD, "./186", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6764] <... exit_group resumed>) = ? [pid 5833] <... openat resumed>) = 3 [pid 5829] <... openat resumed>) = 3 [pid 6764] +++ exited with 0 +++ [pid 5833] newfstatat(3, "", [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6763, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 5829] newfstatat(3, "", [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] restart_syscall(<... resuming interrupted clone ...> [pid 5833] getdents64(3, [pid 5831] <... restart_syscall resumed>) = 0 [pid 5830] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6764, si_uid=0, si_status=0, si_utime=0, si_stime=4 /* 0.04 s */} --- [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5833] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] restart_syscall(<... resuming interrupted clone ...> [pid 5831] umount2("./180", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./180", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] <... restart_syscall resumed>) = 0 [pid 5833] <... umount2 resumed>) = 0 [pid 5831] <... openat resumed>) = 3 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] newfstatat(3, "", [pid 5829] getdents64(3, [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] getdents64(3, [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5831] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 3 [pid 5830] newfstatat(3, "", [pid 5829] umount2("./186/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5833] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5833] newfstatat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = 0 [pid 5833] umount2("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... umount2 resumed>) = 0 [pid 6765] <... mount resumed>) = 0 [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] openat(AT_FDCWD, "./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6765] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6765] <... openat resumed>) = 3 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6765] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] newfstatat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] <... umount2 resumed>) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6765] <... chdir resumed>) = 0 [pid 5831] openat(AT_FDCWD, "./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5833] <... openat resumed>) = 4 [pid 5831] <... openat resumed>) = 4 [pid 5830] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./186/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6765] openat(AT_FDCWD, "/dev/loop3", O_RDWR [pid 5833] newfstatat(4, "", [pid 5831] newfstatat(4, "", [pid 6765] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5833] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6765] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 5833] getdents64(4, [pid 5831] getdents64(4, [pid 5833] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, [pid 5833] getdents64(4, [pid 5831] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5833] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./180/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] close(4 [pid 5831] <... rmdir resumed>) = 0 [pid 5833] <... close resumed>) = 0 [pid 5833] rmdir("./179/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] <... rmdir resumed>) = 0 [pid 5830] newfstatat(AT_FDCWD, "./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5829] newfstatat(AT_FDCWD, "./186/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", [pid 5831] umount2("./180/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./186/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5831] newfstatat(AT_FDCWD, "./180/binderfs", [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] openat(AT_FDCWD, "./186/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5831] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6765] <... mknod resumed>) = 0 [pid 5831] unlink("./180/binderfs" [pid 5830] openat(AT_FDCWD, "./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5829] <... openat resumed>) = 4 [pid 5831] <... unlink resumed>) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./180") = 0 [pid 6765] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5831] mkdir("./181", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5833] umount2("./179/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] <... openat resumed>) = 4 [pid 5829] newfstatat(4, "", [pid 5830] newfstatat(4, "", [pid 5831] ioctl(3, LOOP_CLR_FD [pid 5829] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] <... ioctl resumed>) = 0 [pid 5831] close(3 [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 5833] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5833] newfstatat(AT_FDCWD, "./179/binderfs", [pid 5831] <... close resumed>) = 0 [pid 5830] getdents64(4, [pid 5829] getdents64(4, [pid 5833] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5829] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6765] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6765] sync( [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5833] unlink("./179/binderfs" [pid 5830] close(4 [pid 5829] close(4 [pid 5833] <... unlink resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] rmdir("./186/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5830] rmdir("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 5833] getdents64(3, [pid 5830] <... rmdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6766 attached [pid 5830] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5829] umount2("./186/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6765] <... sync resumed>) = 0 [pid 5833] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5829] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5833] close(3 [pid 5830] newfstatat(AT_FDCWD, "./182/binderfs", [pid 5829] newfstatat(AT_FDCWD, "./186/binderfs", [pid 6765] exit_group(0 [pid 5831] <... clone resumed>, child_tidptr=0x555567654750) = 6766 [pid 5829] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5830] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6765] <... exit_group resumed>) = ? [pid 5829] unlink("./186/binderfs" [pid 5830] unlink("./182/binderfs" [pid 6766] set_robust_list(0x555567654760, 24 [pid 6765] +++ exited with 0 +++ [pid 5833] <... close resumed>) = 0 [pid 5830] <... unlink resumed>) = 0 [pid 5829] <... unlink resumed>) = 0 [pid 6766] <... set_robust_list resumed>) = 0 [pid 5833] rmdir("./179" [pid 5832] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6765, si_uid=0, si_status=0, si_utime=1 /* 0.01 s */, si_stime=2 /* 0.02 s */} --- [pid 5829] getdents64(3, [pid 5830] getdents64(3, [pid 5832] restart_syscall(<... resuming interrupted clone ...> [pid 5829] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5830] <... getdents64 resumed>0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5829] close(3 [pid 5830] close(3 [pid 6766] chdir("./181" [pid 5833] <... rmdir resumed>) = 0 [pid 5832] <... restart_syscall resumed>) = 0 [pid 5830] <... close resumed>) = 0 [pid 5829] <... close resumed>) = 0 [pid 5830] rmdir("./182") = 0 [pid 5829] rmdir("./186" [pid 5832] umount2("./182", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5830] mkdir("./183", 0777 [pid 6766] <... chdir resumed>) = 0 [pid 5833] mkdir("./180", 0777 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5830] <... mkdir resumed>) = 0 [pid 5829] <... rmdir resumed>) = 0 [pid 6766] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5832] openat(AT_FDCWD, "./182", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5830] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 5829] mkdir("./187", 0777 [pid 6766] <... prctl resumed>) = 0 [pid 5833] <... mkdir resumed>) = 0 [pid 5832] <... openat resumed>) = 3 [pid 5830] <... openat resumed>) = 3 [pid 5829] <... mkdir resumed>) = 0 [pid 6766] setpgid(0, 0 [pid 5833] openat(AT_FDCWD, "/dev/loop4", O_RDWR [pid 5832] newfstatat(3, "", [pid 5830] ioctl(3, LOOP_CLR_FD [pid 5829] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5830] <... ioctl resumed>) = 0 [pid 6766] <... setpgid resumed>) = 0 [pid 5833] <... openat resumed>) = 3 [pid 5832] getdents64(3, [pid 5830] close(3 [pid 5829] <... openat resumed>) = 3 [pid 5830] <... close resumed>) = 0 [pid 5829] ioctl(3, LOOP_CLR_FD [pid 5832] <... getdents64 resumed>0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5830] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5829] <... ioctl resumed>) = 0 [pid 5833] ioctl(3, LOOP_CLR_FD [pid 5832] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6767 attached [pid 6766] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5833] <... ioctl resumed>) = 0 [pid 5830] <... clone resumed>, child_tidptr=0x555567654750) = 6767 [pid 5829] close(3 [pid 6767] set_robust_list(0x555567654760, 24 [pid 5829] <... close resumed>) = 0 [pid 5833] close(3 [pid 6767] <... set_robust_list resumed>) = 0 [pid 6767] chdir("./183") = 0 [pid 5833] <... close resumed>) = 0 [pid 6766] <... openat resumed>) = 3 [pid 6767] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6766] write(3, "1000", 4 [pid 5829] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6767] setpgid(0, 0 [pid 6766] <... write resumed>) = 4 [pid 6766] close(3 [pid 5832] <... umount2 resumed>) = 0 [pid 6766] <... close resumed>) = 0 ./strace-static-x86_64: Process 6768 attached [pid 6766] symlink("/dev/binderfs", "./binderfs" [pid 6767] <... setpgid resumed>) = 0 [pid 6768] set_robust_list(0x555567654760, 24 [pid 6766] <... symlink resumed>) = 0 executing program [pid 6767] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6768] <... set_robust_list resumed>) = 0 [pid 6766] write(1, "executing program\n", 18 [pid 5829] <... clone resumed>, child_tidptr=0x555567654750) = 6768 [pid 6766] <... write resumed>) = 18 [pid 6768] chdir("./187" [pid 6767] <... openat resumed>) = 3 [pid 6766] memfd_create("syzkaller", 0 [pid 5832] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6768] <... chdir resumed>) = 0 [pid 6767] write(3, "1000", 4 [pid 6766] <... memfd_create resumed>) = 3 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5832] newfstatat(AT_FDCWD, "./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", ./strace-static-x86_64: Process 6769 attached [pid 6768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6767] <... write resumed>) = 4 [pid 6766] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 5833] <... clone resumed>, child_tidptr=0x555567654750) = 6769 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6768] <... prctl resumed>) = 0 [pid 6767] close(3 [pid 6766] <... mmap resumed>) = 0x7fa6be400000 [pid 5832] umount2("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6767] <... close resumed>) = 0 [pid 6767] symlink("/dev/binderfs", "./binderfs" [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6768] setpgid(0, 0 [pid 5832] openat(AT_FDCWD, "./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6769] set_robust_list(0x555567654760, 24) = 0 [pid 6769] chdir("./180" [pid 6767] <... symlink resumed>) = 0 [pid 5832] <... openat resumed>) = 4 [pid 6769] <... chdir resumed>) = 0 [pid 6769] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6769] setpgid(0, 0) = 0 [pid 6769] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXECexecuting program [pid 6768] <... setpgid resumed>) = 0 [pid 6767] write(1, "executing program\n", 18 [pid 6766] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] newfstatat(4, "", [pid 6767] <... write resumed>) = 18 [pid 6769] <... openat resumed>) = 3 [pid 6768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6767] memfd_create("syzkaller", 0 [pid 5832] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 6768] <... openat resumed>) = 3 [pid 6767] <... memfd_create resumed>) = 3 [pid 6766] <... write resumed>) = 524288 [pid 5832] getdents64(4, [pid 6769] write(3, "1000", 4executing program [pid 6767] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6769] <... write resumed>) = 4 [pid 6767] <... mmap resumed>) = 0x7fa6be400000 [pid 6769] close(3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 2 entries */, 32768) = 48 [pid 6769] <... close resumed>) = 0 [pid 6769] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6769] write(1, "executing program\n", 18) = 18 [pid 6769] memfd_create("syzkaller", 0 [pid 6768] write(3, "1000", 4 [pid 6767] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6766] munmap(0x7fa6be400000, 138412032 [pid 5832] getdents64(4, [pid 6768] <... write resumed>) = 4 [pid 6769] <... memfd_create resumed>) = 3 [pid 6769] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6768] close(3 [pid 5832] <... getdents64 resumed>0x55556765d830 /* 0 entries */, 32768) = 0 [pid 6769] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6768] <... close resumed>) = 0 [pid 6766] <... munmap resumed>) = 0 [pid 5832] close(4 [pid 6768] symlink("/dev/binderfs", "./binderfs" [pid 6766] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 5832] <... close resumed>) = 0 executing program [pid 6768] <... symlink resumed>) = 0 [pid 6766] <... openat resumed>) = 4 [pid 5832] rmdir("./182/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6768] write(1, "executing program\n", 18) = 18 [pid 6766] ioctl(4, LOOP_SET_FD, 3 [pid 5832] <... rmdir resumed>) = 0 [pid 6768] memfd_create("syzkaller", 0 [pid 6769] <... write resumed>) = 524288 [pid 6768] <... memfd_create resumed>) = 3 [pid 5832] umount2("./182/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6767] <... write resumed>) = 524288 [pid 6766] <... ioctl resumed>) = 0 [pid 6769] munmap(0x7fa6be400000, 138412032 [pid 6768] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0 [pid 6767] munmap(0x7fa6be400000, 138412032 [pid 6766] close(3 [pid 5832] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6768] <... mmap resumed>) = 0x7fa6be400000 [pid 6766] <... close resumed>) = 0 [pid 6767] <... munmap resumed>) = 0 [pid 6766] close(4 [pid 5832] newfstatat(AT_FDCWD, "./182/binderfs", [pid 6766] <... close resumed>) = 0 [pid 6769] <... munmap resumed>) = 0 [pid 6766] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 5832] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6767] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6766] <... mkdir resumed>) = 0 [pid 5832] unlink("./182/binderfs" [pid 6766] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 5832] <... unlink resumed>) = 0 [pid 5832] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 6767] <... openat resumed>) = 4 [pid 5832] close(3) = 0 [pid 5832] rmdir("./182" [pid 6769] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = 4 [ 178.150287][ T6766] loop2: detected capacity change from 0 to 1024 [pid 5832] <... rmdir resumed>) = 0 [pid 6767] ioctl(4, LOOP_SET_FD, 3 [pid 6769] ioctl(4, LOOP_SET_FD, 3 [pid 5832] mkdir("./183", 0777 [pid 6768] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 5832] <... mkdir resumed>) = 0 [pid 5832] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 3 [pid 5832] ioctl(3, LOOP_CLR_FD) = 0 [pid 5832] close(3 [pid 6768] <... write resumed>) = 524288 [pid 6769] <... ioctl resumed>) = 0 [pid 6768] munmap(0x7fa6be400000, 138412032 [pid 6767] <... ioctl resumed>) = 0 [pid 6766] <... mount resumed>) = 0 [pid 5832] <... close resumed>) = 0 [pid 6769] close(3 [pid 6768] <... munmap resumed>) = 0 [pid 6767] close(3 [pid 6766] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6769] <... close resumed>) = 0 [pid 6768] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6767] <... close resumed>) = 0 [pid 6766] <... openat resumed>) = 3 [pid 6769] close(4 [pid 6767] close(4 [pid 6766] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6768] <... openat resumed>) = 4 [pid 6766] <... chdir resumed>) = 0 [pid 6767] <... close resumed>) = 0 [pid 6766] openat(AT_FDCWD, "/dev/loop2", O_RDWR [pid 6769] <... close resumed>) = 0 [pid 6768] ioctl(4, LOOP_SET_FD, 3 [pid 6766] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 5832] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6770 attached [pid 6769] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6768] <... ioctl resumed>) = 0 [pid 6767] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777 [pid 6766] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6768] close(3 [pid 6770] set_robust_list(0x555567654760, 24 [pid 6768] <... close resumed>) = 0 [pid 6770] <... set_robust_list resumed>) = 0 [pid 6768] close(4) = 0 [pid 6770] chdir("./183" [pid 6768] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6770] <... chdir resumed>) = 0 [pid 6769] <... mkdir resumed>) = 0 [pid 6767] <... mkdir resumed>) = 0 [pid 6766] <... mknod resumed>) = 0 [pid 5832] <... clone resumed>, child_tidptr=0x555567654750) = 6770 [pid 6770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6768] mount("/dev/loop0", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6770] <... prctl resumed>) = 0 [pid 6769] mount("/dev/loop4", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6767] mount("/dev/loop1", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6766] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6770] setpgid(0, 0) = 0 [ 178.195761][ T6767] loop1: detected capacity change from 0 to 1024 [ 178.206463][ T6769] loop4: detected capacity change from 0 to 1024 [ 178.232289][ T6768] loop0: detected capacity change from 0 to 1024 [pid 6770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6769] <... mount resumed>) = 0 [pid 6768] <... mount resumed>) = 0 [pid 6766] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6770] write(3, "1000", 4 [pid 6768] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6767] <... mount resumed>) = 0 [pid 6770] <... write resumed>) = 4 [pid 6769] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6768] <... openat resumed>) = 3 [pid 6767] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 6766] sync( [pid 6770] close(3 [pid 6769] <... openat resumed>) = 3 [pid 6770] <... close resumed>) = 0 [pid 6768] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6767] <... openat resumed>) = 3 [pid 6770] symlink("/dev/binderfs", "./binderfs" [pid 6769] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6768] <... chdir resumed>) = 0 [pid 6767] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6770] <... symlink resumed>) = 0 [pid 6767] <... chdir resumed>) = 0 [pid 6767] openat(AT_FDCWD, "/dev/loop1", O_RDWR [pid 6768] openat(AT_FDCWD, "/dev/loop0", O_RDWR [pid 6769] <... chdir resumed>) = 0 [pid 6768] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6767] <... openat resumed>) = -1 EBUSY (Device or resource busy) [pid 6769] openat(AT_FDCWD, "/dev/loop4", O_RDWR) = -1 EBUSY (Device or resource busy) [pid 6768] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6770] write(1, "executing program\n", 18 [pid 6767] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000executing program [pid 6770] <... write resumed>) = 18 [pid 6769] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000 [pid 6770] memfd_create("syzkaller", 0) = 3 [pid 6770] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [pid 6770] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288 [pid 6769] <... mknod resumed>) = 0 [pid 6769] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6767] <... mknod resumed>) = 0 [pid 6767] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6769] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6768] <... mknod resumed>) = 0 [pid 6768] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa" [pid 6767] <... link resumed>) = -1 ENOSPC (No space left on device) [pid 6767] sync( [pid 6769] sync( [pid 6770] <... write resumed>) = 524288 [pid 6770] munmap(0x7fa6be400000, 138412032) = 0 [pid 6770] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = 4 [pid 6770] ioctl(4, LOOP_SET_FD, 3 [pid 6766] <... sync resumed>) = 0 [pid 6770] <... ioctl resumed>) = 0 [pid 6766] exit_group(0 [pid 6770] close(3) = 0 [pid 6770] close(4) = 0 [pid 6766] <... exit_group resumed>) = ? [pid 6770] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6770] mount("/dev/loop3", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "" [pid 6766] +++ exited with 0 +++ [pid 6770] <... mount resumed>) = 0 [ 178.332964][ T6768] ------------[ cut here ]------------ [ 178.339259][ T6768] kernel BUG at fs/hfsplus/bnode.c:624! [ 178.347710][ T6770] loop3: detected capacity change from 0 to 1024 [ 178.364727][ T6768] Oops: invalid opcode: 0000 [#1] SMP KASAN PTI [ 178.371084][ T6768] CPU: 1 UID: 0 PID: 6768 Comm: syz-executor276 Not tainted 6.16.0-rc1-syzkaller-00101-g27605c8c0f69 #0 PREEMPT(full) [ 178.383537][ T6768] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 178.393633][ T6768] RIP: 0010:hfsplus_bnode_put+0x54a/0x560 [ 178.399415][ T6768] Code: 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 01 ee 8b ff e9 e3 fe ff ff e8 77 a1 2a ff 90 <0f> 0b e8 6f a1 2a ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 [ 178.419040][ T6768] RSP: 0018:ffffc9000b537348 EFLAGS: 00010293 [ 178.425129][ T6768] RAX: ffffffff8295ac79 RBX: ffff888034507400 RCX: ffff8880251abc00 [ 178.433118][ T6768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 178.441102][ T6768] RBP: 0000000000000000 R08: ffff888034507483 R09: 1ffff110068a0e90 [ 178.449185][ T6768] R10: dffffc0000000000 R11: ffffed10068a0e91 R12: ffff888034507480 [ 178.457264][ T6768] R13: 1ffff920016a6e7c R14: dffffc0000000000 R15: ffff88807f66a000 [ 178.465247][ T6768] FS: 0000555567654480(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000 [ 178.474191][ T6768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.480790][ T6768] CR2: 0000200000001240 CR3: 0000000034302000 CR4: 00000000003526f0 [ 178.488784][ T6768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 178.496793][ T6768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.504776][ T6768] Call Trace: [ 178.508102][ T6768] [ 178.511048][ T6768] ? do_raw_spin_unlock+0x122/0x240 [ 178.516265][ T6768] hfsplus_bmap_alloc+0x5a5/0x640 [ 178.521304][ T6768] ? __pfx_hfsplus_bmap_alloc+0x10/0x10 [ 178.526863][ T6768] ? hfsplus_bnode_read+0x135/0x2a0 [ 178.532075][ T6768] ? hfsplus_bnode_read+0x135/0x2a0 [ 178.537291][ T6768] hfs_bnode_split+0xcc/0xef0 [ 178.541987][ T6768] ? hfsplus_bnode_read+0x255/0x2a0 [ 178.547197][ T6768] ? hfsplus_bnode_read+0x135/0x2a0 [ 178.552411][ T6768] ? __asan_memcpy+0x40/0x70 [ 178.557020][ T6768] ? hfsplus_bnode_read_u16+0x87/0xd0 [ 178.562419][ T6768] ? __pfx_hfs_bnode_split+0x10/0x10 [ 178.567722][ T6768] hfsplus_brec_insert+0x38f/0xcc0 [ 178.572869][ T6768] ? __pfx_hfsplus_brec_insert+0x10/0x10 [ 178.578556][ T6768] ? hfsplus_bnode_read+0x255/0x2a0 [ 178.583774][ T6768] hfsplus_rename_cat+0x51c/0xde0 [ 178.588836][ T6768] ? __pfx_hfsplus_rename_cat+0x10/0x10 [ 178.594413][ T6768] ? chacha_block_generic+0x53/0xc80 [ 178.599727][ T6768] ? __asan_memset+0x22/0x50 [ 178.604343][ T6768] ? put_dec_full8+0x11c/0x2e0 [ 178.609176][ T6768] ? __pfx_sprintf+0x10/0x10 [ 178.613789][ T6768] hfsplus_link+0x359/0x6a0 [ 178.618337][ T6768] ? __pfx_hfsplus_link+0x10/0x10 [ 178.623395][ T6768] ? down_write+0x162/0x1f0 [ 178.627922][ T6768] ? __pfx_down_write+0x10/0x10 [ 178.632888][ T6768] ? try_break_deleg+0x79/0x130 [ 178.637771][ T6768] vfs_link+0x4ea/0x6e0 [ 178.641952][ T6768] do_linkat+0x272/0x560 [ 178.646223][ T6768] ? __pfx_do_linkat+0x10/0x10 [ 178.651007][ T6768] ? strncpy_from_user+0x150/0x290 [ 178.656138][ T6768] ? getname_flags+0x1e5/0x540 [ 178.661107][ T6768] __x64_sys_link+0x82/0x90 [ 178.665646][ T6768] do_syscall_64+0xfa/0x3b0 [ 178.670163][ T6768] ? lockdep_hardirqs_on+0x9c/0x150 [ 178.675387][ T6768] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 178.681469][ T6768] ? clear_bhb_loop+0x60/0xb0 [ 178.686168][ T6768] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 178.692078][ T6768] RIP: 0033:0x7fa6c68fb999 [ 178.696520][ T6768] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 21 18 00 00 90 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 b8 ff ff ff f7 d8 64 89 01 48 [ 178.716159][ T6768] RSP: 002b:00007fff5dd7fb88 EFLAGS: 00000246 ORIG_RAX: 0000000000000056 [ 178.724591][ T6768] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fa6c68fb999 [pid 6770] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY [pid 5831] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=6766, si_uid=0, si_status=0, si_utime=0, si_stime=2 /* 0.02 s */} --- [pid 5831] umount2("./181", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./181", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5831] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 4 entries */, 32768) = 352 [pid 5831] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6770] <... openat resumed>) = 3 [pid 6770] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6770] openat(AT_FDCWD, "/dev/loop3", O_RDWR) = -1 EBUSY (Device or resource busy) [ 178.732774][ T6768] RDX: 0000000000000000 RSI: 00002000000007c0 RDI: 0000200000001240 [ 178.740772][ T6768] RBP: 0000000000000000 R08: 00007fff5dd7fbbc R09: 00007fff5dd7fbbc [ 178.748792][ T6768] R10: 0000000000000671 R11: 0000000000000246 R12: 00007fff5dd7fbbc [ 178.756783][ T6768] R13: 00000000000000bb R14: 431bde82d7b634db R15: 00007fff5dd7fbf0 [ 178.764890][ T6768] [ 178.767925][ T6768] Modules linked in: [ 178.772203][ T6768] ---[ end trace 0000000000000000 ]--- [pid 6770] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6770] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [pid 6770] sync( [pid 5831] <... umount2 resumed>) = 0 [pid 5831] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] umount2("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] openat(AT_FDCWD, "./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 4 [pid 5831] newfstatat(4, "", {st_mode=S_IFDIR|0700, st_size=4096, ...}, AT_EMPTY_PATH) = 0 [pid 5831] getdents64(4, 0x55556765d830 /* 2 entries */, 32768) = 48 [pid 5831] getdents64(4, 0x55556765d830 /* 0 entries */, 32768) = 0 [pid 5831] close(4) = 0 [pid 5831] rmdir("./181/file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 5831] umount2("./181/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5831] newfstatat(AT_FDCWD, "./181/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5831] unlink("./181/binderfs") = 0 [pid 5831] getdents64(3, 0x5555676557f0 /* 0 entries */, 32768) = 0 [pid 5831] close(3) = 0 [pid 5831] rmdir("./181") = 0 [pid 5831] mkdir("./182", 0777) = 0 [pid 5831] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 3 [pid 5831] ioctl(3, LOOP_CLR_FD) = 0 [pid 5831] close(3) = 0 [pid 5831] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x555567654750) = 6771 [ 178.811332][ T6768] RIP: 0010:hfsplus_bnode_put+0x54a/0x560 [ 178.817234][ T6768] Code: 8b ff e9 b2 fe ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c f0 fe ff ff 48 89 df e8 01 ee 8b ff e9 e3 fe ff ff e8 77 a1 2a ff 90 <0f> 0b e8 6f a1 2a ff 90 0f 0b 66 66 66 2e 0f 1f 84 00 00 00 00 00 [ 178.839762][ T6768] RSP: 0018:ffffc9000b537348 EFLAGS: 00010293 [ 178.848024][ T6768] RAX: ffffffff8295ac79 RBX: ffff888034507400 RCX: ffff8880251abc00 ./strace-static-x86_64: Process 6771 attached [pid 6771] set_robust_list(0x555567654760, 24) = 0 [pid 6771] chdir("./182") = 0 [pid 6771] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6771] setpgid(0, 0) = 0 [pid 6771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6771] write(3, "1000", 4) = 4 [pid 6771] close(3) = 0 [pid 6771] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6771] write(1, "executing program\n", 18) = 18 [pid 6771] memfd_create("syzkaller", 0) = 3 [pid 6771] mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fa6be400000 [ 178.875194][ T6768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 178.884684][ T6768] RBP: 0000000000000000 R08: ffff888034507483 R09: 1ffff110068a0e90 [ 178.893891][ T6768] R10: dffffc0000000000 R11: ffffed10068a0e91 R12: ffff888034507480 [ 178.904199][ T6768] R13: 1ffff920016a6e7c R14: dffffc0000000000 R15: ffff88807f66a000 [ 178.912782][ T6768] FS: 0000555567654480(0000) GS:ffff888125d86000(0000) knlGS:0000000000000000 [pid 6771] write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 524288) = 524288 [pid 6771] munmap(0x7fa6be400000, 138412032) = 0 [pid 6771] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = 4 [pid 6771] ioctl(4, LOOP_SET_FD, 3) = 0 [pid 6771] close(3) = 0 [pid 6771] close(4) = 0 [pid 6771] mkdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 0777) = 0 [pid 6771] mount("/dev/loop2", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "hfsplus", MS_NODIRATIME, "") = 0 [pid 6771] openat(AT_FDCWD, "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", O_RDONLY|O_DIRECTORY) = 3 [pid 6771] chdir("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = 0 [pid 6771] openat(AT_FDCWD, "/dev/loop2", O_RDWR) = -1 EBUSY (Device or resource busy) [ 178.930521][ T6768] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 178.937278][ T6768] CR2: 00007fff5dd7fa98 CR3: 0000000034302000 CR4: 00000000003526f0 [ 178.952250][ T6771] loop2: detected capacity change from 0 to 1024 [ 178.963976][ T6768] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [pid 6771] mknod("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", 000) = 0 [pid 6771] link("./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa", "./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa") = -1 ENOSPC (No space left on device) [ 178.979092][ T6768] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 178.992684][ T6768] Kernel panic - not syncing: Fatal exception [ 178.999129][ T6768] Kernel Offset: disabled [ 179.003476][ T6768] Rebooting in 86400 seconds..