./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor454870459 <...> Warning: Permanently added '10.128.0.62' (ED25519) to the list of known hosts. execve("./syz-executor454870459", ["./syz-executor454870459"], 0x7ffe1a685220 /* 10 vars */) = 0 brk(NULL) = 0x55558030a000 brk(0x55558030ad40) = 0x55558030ad40 arch_prctl(ARCH_SET_FS, 0x55558030a3c0) = 0 set_tid_address(0x55558030a690) = 5833 set_robust_list(0x55558030a6a0, 24) = 0 rseq(0x55558030ace0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor454870459", 4096) = 27 getrandom("\xcf\x82\x66\x67\x0c\x02\x84\xc8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558030ad40 brk(0x55558032bd40) = 0x55558032bd40 brk(0x55558032c000) = 0x55558032c000 mprotect(0x7fb5e51f5000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 mkdir("/syzcgroup", 0777) = 0 mkdir("/syzcgroup/unified", 0777) = 0 mount("none", "/syzcgroup/unified", "cgroup2", 0, NULL) = 0 chmod("/syzcgroup/unified", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/unified/cgroup.subtree_control", O_WRONLY) = 3 write(3, "+cpu", 4) = 4 write(3, "+io", 3) = 3 write(3, "+pids", 5) = 5 close(3) = 0 mkdir("/syzcgroup/net", 0777) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "devices") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "blkio") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "freezer") = 0 umount2("/syzcgroup/net", 0) = 0 mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) [ 88.716555][ T5833] cgroup: Unknown subsys name 'net' mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/net", "cgroup", 0, "net_prio,devices,blkio,freezer") = 0 chmod("/syzcgroup/net", 0777) = 0 mkdir("/syzcgroup/cpu", 0777) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuset") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "hugetlb") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "rlimit") = -1 EINVAL (Invalid argument) mount("none", "/syzcgroup/cpu", "cgroup", 0, "memory") = 0 umount2("/syzcgroup/cpu", 0) = 0 mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) [ 88.873653][ T5833] cgroup: Unknown subsys name 'cpuset' [ 88.906130][ T5833] cgroup: Unknown subsys name 'rlimit' mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = ? ERESTARTNOINTR (To be restarted) mount("none", "/syzcgroup/cpu", "cgroup", 0, "cpuacct,hugetlb,memory") = 0 chmod("/syzcgroup/cpu", 0777) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cgroup.clone_children", O_WRONLY|O_CLOEXEC) = 3 write(3, "1", 1) = 1 close(3) = 0 openat(AT_FDCWD, "/syzcgroup/cpu/cpuset.memory_pressure_enabled", O_WRONLY|O_CLOEXEC) = -1 ENOENT (No such file or directory) clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5835 attached , child_tidptr=0x55558030a690) = 5835 [pid 5835] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] mkdir("./syzkaller.6Ok72v", 0700./strace-static-x86_64: Process 5836 attached [pid 5833] <... clone resumed>, child_tidptr=0x55558030a690) = 5836 [pid 5836] set_robust_list(0x55558030a6a0, 24 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... set_robust_list resumed>) = 0 [pid 5835] <... mkdir resumed>) = 0 [pid 5835] chmod("./syzkaller.6Ok72v", 0777./strace-static-x86_64: Process 5837 attached [pid 5836] mkdir("./syzkaller.bjx4bm", 0700 [pid 5835] <... chmod resumed>) = 0 [pid 5833] <... clone resumed>, child_tidptr=0x55558030a690) = 5837 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5837] set_robust_list(0x55558030a6a0, 24 [pid 5835] chdir("./syzkaller.6Ok72v" [pid 5837] <... set_robust_list resumed>) = 0 [pid 5835] <... chdir resumed>) = 0 ./strace-static-x86_64: Process 5838 attached [pid 5837] mkdir("./syzkaller.FHs1YV", 0700 [pid 5836] <... mkdir resumed>) = 0 [pid 5835] unshare(CLONE_NEWPID [pid 5833] <... clone resumed>, child_tidptr=0x55558030a690) = 5838 [pid 5838] set_robust_list(0x55558030a6a0, 24 [pid 5833] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5838] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5839 attached [pid 5838] mkdir("./syzkaller.C8Tg9F", 0700) = 0 [pid 5836] chmod("./syzkaller.bjx4bm", 0777 [pid 5833] <... clone resumed>, child_tidptr=0x55558030a690) = 5839 [pid 5839] set_robust_list(0x55558030a6a0, 24 [pid 5838] chmod("./syzkaller.C8Tg9F", 0777 [pid 5837] <... mkdir resumed>) = 0 [pid 5836] <... chmod resumed>) = 0 [pid 5835] <... unshare resumed>) = 0 [pid 5839] <... set_robust_list resumed>) = 0 [pid 5837] chmod("./syzkaller.FHs1YV", 0777 [pid 5836] chdir("./syzkaller.bjx4bm" [pid 5839] mkdir("./syzkaller.gJ2KL0", 0700 [pid 5838] <... chmod resumed>) = 0 [pid 5837] <... chmod resumed>) = 0 [pid 5836] <... chdir resumed>) = 0 [pid 5835] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... mkdir resumed>) = 0 [pid 5836] unshare(CLONE_NEWPID) = 0 [pid 5836] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5840 attached [pid 5839] chmod("./syzkaller.gJ2KL0", 0777 [pid 5838] chdir("./syzkaller.C8Tg9F" [pid 5837] chdir("./syzkaller.FHs1YV") = 0 [pid 5837] unshare(CLONE_NEWPID [pid 5839] <... chmod resumed>) = 0 [pid 5838] <... chdir resumed>) = 0 [pid 5837] <... unshare resumed>) = 0 [pid 5840] set_robust_list(0x55558030a6a0, 24 [pid 5839] chdir("./syzkaller.gJ2KL0" [pid 5838] unshare(CLONE_NEWPID [pid 5837] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5835] <... clone resumed>, child_tidptr=0x55558030a690) = 5840 [pid 5840] <... set_robust_list resumed>) = 0 [pid 5839] <... chdir resumed>) = 0 [pid 5838] <... unshare resumed>) = 0 [pid 5839] unshare(CLONE_NEWPID [pid 5838] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5839] <... unshare resumed>) = 0 ./strace-static-x86_64: Process 5843 attached ./strace-static-x86_64: Process 5842 attached ./strace-static-x86_64: Process 5841 attached [pid 5840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5839] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5836] <... clone resumed>, child_tidptr=0x55558030a690) = 5843 [pid 5840] <... prctl resumed>) = 0 [pid 5841] set_robust_list(0x55558030a6a0, 24 [pid 5840] getppid( [pid 5838] <... clone resumed>, child_tidptr=0x55558030a690) = 5842 [pid 5837] <... clone resumed>, child_tidptr=0x55558030a690) = 5841 ./strace-static-x86_64: Process 5844 attached [pid 5842] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... getppid resumed>) = 0 [pid 5844] set_robust_list(0x55558030a6a0, 24 [pid 5843] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... set_robust_list resumed>) = 0 [pid 5841] <... set_robust_list resumed>) = 0 [pid 5840] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5844] <... set_robust_list resumed>) = 0 [pid 5843] <... set_robust_list resumed>) = 0 [pid 5842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... prctl resumed>) = 0 [pid 5841] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5839] <... clone resumed>, child_tidptr=0x55558030a690) = 5844 [pid 5844] <... prctl resumed>) = 0 [pid 5843] <... prctl resumed>) = 0 [pid 5842] getppid( [pid 5844] getppid( [pid 5843] getppid( [pid 5842] <... getppid resumed>) = 0 [pid 5844] <... getppid resumed>) = 0 [pid 5843] <... getppid resumed>) = 0 [pid 5842] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5844] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5843] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5842] <... prlimit64 resumed>NULL) = 0 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5844] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5843] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5842] <... prlimit64 resumed>NULL) = 0 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5844] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5843] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5842] <... prlimit64 resumed>NULL) = 0 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5844] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5843] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5842] <... prlimit64 resumed>NULL) = 0 [pid 5841] <... prctl resumed>) = 0 [pid 5840] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5841] getppid( [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5844] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5843] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5842] <... prlimit64 resumed>NULL) = 0 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5841] <... getppid resumed>) = 0 [pid 5840] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5844] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5843] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5842] <... prlimit64 resumed>NULL) = 0 [pid 5844] <... prlimit64 resumed>NULL) = 0 [pid 5843] <... prlimit64 resumed>NULL) = 0 [pid 5842] unshare(CLONE_NEWNS [pid 5841] prlimit64(0, RLIMIT_AS, {rlim_cur=204800*1024, rlim_max=204800*1024}, [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5844] unshare(CLONE_NEWNS [pid 5843] unshare(CLONE_NEWNS [pid 5842] <... unshare resumed>) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5841] prlimit64(0, RLIMIT_MEMLOCK, {rlim_cur=32768*1024, rlim_max=32768*1024}, [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5842] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5841] prlimit64(0, RLIMIT_FSIZE, {rlim_cur=139264*1024, rlim_max=139264*1024}, [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5844] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL) = 0 [pid 5841] prlimit64(0, RLIMIT_STACK, {rlim_cur=1024*1024, rlim_max=1024*1024}, [pid 5840] <... prlimit64 resumed>NULL) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] unshare(CLONE_NEWNS [pid 5842] <... mount resumed>) = 0 [pid 5841] prlimit64(0, RLIMIT_CORE, {rlim_cur=131072*1024, rlim_max=131072*1024}, [pid 5840] <... unshare resumed>) = 0 [pid 5844] unshare(CLONE_NEWIPC [pid 5843] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5842] unshare(CLONE_NEWIPC [pid 5841] prlimit64(0, RLIMIT_NOFILE, {rlim_cur=256, rlim_max=256}, [pid 5844] unshare(CLONE_NEWCGROUP [pid 5843] unshare(CLONE_NEWIPC [pid 5842] <... unshare resumed>) = 0 [pid 5841] <... prlimit64 resumed>NULL) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5841] unshare(CLONE_NEWNS [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5842] unshare(CLONE_NEWCGROUP [pid 5841] <... unshare resumed>) = 0 [pid 5840] unshare(CLONE_NEWIPC [pid 5844] unshare(CLONE_NEWUTS [pid 5843] unshare(CLONE_NEWCGROUP [pid 5842] <... unshare resumed>) = 0 [pid 5844] <... unshare resumed>) = 0 [pid 5843] <... unshare resumed>) = 0 [pid 5842] unshare(CLONE_NEWUTS [pid 5841] mount(NULL, "/", NULL, MS_REC|MS_PRIVATE, NULL [pid 5840] <... unshare resumed>) = 0 [pid 5843] unshare(CLONE_NEWUTS [pid 5842] <... unshare resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5840] unshare(CLONE_NEWCGROUP [pid 5844] unshare(CLONE_SYSVSEM [pid 5843] <... unshare resumed>) = 0 [pid 5842] unshare(CLONE_SYSVSEM [pid 5841] unshare(CLONE_NEWIPC [pid 5840] <... unshare resumed>) = 0 [pid 5844] <... unshare resumed>) = 0 [pid 5843] unshare(CLONE_SYSVSEM [pid 5842] <... unshare resumed>) = 0 [pid 5841] <... unshare resumed>) = 0 [pid 5840] unshare(CLONE_NEWUTS [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5843] <... unshare resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5844] <... openat resumed>) = 3 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5842] <... openat resumed>) = 3 [pid 5841] unshare(CLONE_NEWCGROUP [pid 5840] <... unshare resumed>) = 0 [pid 5840] unshare(CLONE_SYSVSEM [pid 5841] <... unshare resumed>) = 0 [pid 5840] <... unshare resumed>) = 0 [pid 5844] write(3, "16777216", 8 [pid 5843] <... openat resumed>) = 3 [pid 5842] write(3, "16777216", 8 [pid 5841] unshare(CLONE_NEWUTS [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5841] <... unshare resumed>) = 0 [pid 5841] unshare(CLONE_SYSVSEM [pid 5843] write(3, "16777216", 8 [pid 5841] <... unshare resumed>) = 0 [pid 5844] <... write resumed>) = 8 [pid 5843] <... write resumed>) = 8 [pid 5842] <... write resumed>) = 8 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmax", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5842] close(3 [pid 5843] close(3 [pid 5842] <... close resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5840] write(3, "16777216", 8 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 8 [pid 5841] write(3, "16777216", 8 [pid 5840] close(3 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "536870912", 9 [pid 5841] <... write resumed>) = 8 [pid 5840] <... close resumed>) = 0 [pid 5843] <... write resumed>) = 9 [pid 5842] <... openat resumed>) = 3 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5844] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmall", O_WRONLY|O_CLOEXEC [pid 5840] write(3, "536870912", 9 [pid 5844] write(3, "536870912", 9 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5842] write(3, "536870912", 9 [pid 5841] <... openat resumed>) = 3 [pid 5844] <... write resumed>) = 9 [pid 5843] <... openat resumed>) = 3 [pid 5842] <... write resumed>) = 9 [pid 5840] <... write resumed>) = 9 [pid 5844] close(3 [pid 5841] write(3, "536870912", 9 [pid 5840] close(3 [pid 5844] <... close resumed>) = 0 [pid 5842] close(3 [pid 5841] <... write resumed>) = 9 [pid 5840] <... close resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5843] write(3, "1024", 4 [pid 5842] <... close resumed>) = 0 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5844] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 4 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5844] write(3, "1024", 4 [pid 5843] close(3 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/shmmni", O_WRONLY|O_CLOEXEC [pid 5844] <... write resumed>) = 4 [pid 5843] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5842] write(3, "1024", 4 [pid 5844] <... close resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5841] write(3, "1024", 4 [pid 5840] write(3, "1024", 4 [pid 5842] <... write resumed>) = 4 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5843] <... openat resumed>) = 3 [pid 5841] <... write resumed>) = 4 [pid 5840] <... write resumed>) = 4 [pid 5840] close(3 [pid 5842] close(3 [pid 5841] close(3 [pid 5840] <... close resumed>) = 0 [pid 5843] write(3, "8192", 4 [pid 5841] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5844] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 4 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmax", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5841] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5840] write(3, "8192", 4 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5840] <... write resumed>) = 4 [pid 5843] <... openat resumed>) = 3 [pid 5841] write(3, "8192", 4 [pid 5840] close(3) = 0 [pid 5841] <... write resumed>) = 4 [pid 5844] write(3, "8192", 4 [pid 5843] write(3, "1024", 4 [pid 5842] <... openat resumed>) = 3 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5844] <... write resumed>) = 4 [pid 5843] <... write resumed>) = 4 [pid 5842] write(3, "8192", 4 [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5844] close(3 [pid 5843] close(3 [pid 5842] <... write resumed>) = 4 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5844] <... close resumed>) = 0 [pid 5842] close(3 [pid 5843] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmni", O_WRONLY|O_CLOEXEC [pid 5840] write(3, "1024", 4 [pid 5844] <... openat resumed>) = 3 [pid 5841] write(3, "1024", 4 [pid 5840] <... write resumed>) = 4 [pid 5842] <... openat resumed>) = 3 [pid 5844] write(3, "1024", 4) = 4 [pid 5843] <... openat resumed>) = 3 [pid 5842] write(3, "1024", 4 [pid 5841] <... write resumed>) = 4 [pid 5840] close(3 [pid 5844] close(3) = 0 [pid 5843] write(3, "1024", 4 [pid 5842] <... write resumed>) = 4 [pid 5841] close(3 [pid 5840] <... close resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5843] <... write resumed>) = 4 [pid 5842] close(3 [pid 5841] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5842] <... close resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5840] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/msgmnb", O_WRONLY|O_CLOEXEC [pid 5841] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5840] write(3, "1024", 4 [pid 5841] write(3, "1024", 4 [pid 5842] write(3, "1024", 4 [pid 5841] <... write resumed>) = 4 [pid 5840] <... write resumed>) = 4 [pid 5842] <... write resumed>) = 4 [pid 5841] close(3 [pid 5840] close(3 [pid 5842] close(3 [pid 5841] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5840] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5842] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5841] <... openat resumed>) = 3 [pid 5840] <... openat resumed>) = 3 [pid 5842] <... openat resumed>) = 3 [pid 5841] write(3, "1024 1048576 500 1024", 21) = 21 [pid 5841] close(3 [pid 5842] write(3, "1024 1048576 500 1024", 21 [pid 5841] <... close resumed>) = 0 [pid 5840] write(3, "1024 1048576 500 1024", 21 [pid 5842] <... write resumed>) = 21 [pid 5842] close(3 [pid 5841] getpid( [pid 5840] <... write resumed>) = 21 [pid 5842] <... close resumed>) = 0 [pid 5841] <... getpid resumed>) = 1 [pid 5840] close(3 [pid 5842] getpid( [pid 5841] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5840] <... close resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5842] <... getpid resumed>) = 1 [pid 5841] <... capget resumed>{effective=1< [pid 5844] write(3, "1024", 4 [pid 5843] <... close resumed>) = 0 [pid 5842] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5841] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5840] <... getpid resumed>) = 1 [pid 5843] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5842] <... capget resumed>{effective=1<) = 4 [pid 5841] <... capset resumed>) = 0 [pid 5842] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5841] unshare(CLONE_NEWNET [pid 5843] <... openat resumed>) = 3 [pid 5840] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5844] close(3 [pid 5843] write(3, "1024 1048576 500 1024", 21 [pid 5842] <... capset resumed>) = 0 [pid 5840] <... capget resumed>{effective=1<) = 0 [pid 5843] <... write resumed>) = 21 [pid 5844] openat(AT_FDCWD, "/proc/sys/kernel/sem", O_WRONLY|O_CLOEXEC [pid 5843] close(3 [pid 5842] unshare(CLONE_NEWNET [pid 5840] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5844] write(3, "1024 1048576 500 1024", 21 [pid 5843] getpid( [pid 5844] <... write resumed>) = 21 [pid 5843] <... getpid resumed>) = 1 [pid 5844] close(3 [pid 5843] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5844] <... close resumed>) = 0 [pid 5843] <... capget resumed>{effective=1< [pid 5843] capset({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, {effective=1< [pid 5844] <... getpid resumed>) = 1 [pid 5843] <... capset resumed>) = 0 [pid 5840] <... capset resumed>) = 0 [pid 5844] capget({version=_LINUX_CAPABILITY_VERSION_3, pid=1}, [pid 5843] unshare(CLONE_NEWNET [pid 5844] <... capget resumed>{effective=1< [pid 5840] unshare(CLONE_NEWNET [pid 5844] <... capset resumed>) = 0 [pid 5844] unshare(CLONE_NEWNET) = 0 [pid 5844] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "0 65535", 7) = 7 [pid 5844] close(3) = 0 [pid 5844] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] write(3, "100000", 6) = 6 [pid 5844] close(3) = 0 [pid 5844] mkdir("./syz-tmp", 0777) = 0 [pid 5844] mount("", "./syz-tmp", "tmpfs", 0, NULL) = 0 [pid 5844] mkdir("./syz-tmp/newroot", 0777) = 0 [pid 5844] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5844] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5844] mkdir("./syz-tmp/newroot/proc", 0700) = 0 [pid 5844] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL) = 0 [pid 5844] mkdir("./syz-tmp/newroot/selinux", 0700) = 0 [pid 5844] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5844] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5844] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5841] <... unshare resumed>) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5844] <... mkdir resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5841] write(3, "0 65535", 7) = 7 [pid 5841] close(3) = 0 [pid 5841] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5844] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... openat resumed>) = 3 [pid 5841] write(3, "100000", 6) = 6 [pid 5841] close(3) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5841] mkdir("./syz-tmp", 0777) = 0 [pid 5841] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5844] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... unshare resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC) = 3 [pid 5841] <... mount resumed>) = 0 [pid 5843] write(3, "0 65535", 7) = 7 [pid 5843] close(3) = 0 [pid 5843] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] <... mount resumed>) = 0 [pid 5843] write(3, "100000", 6 [pid 5841] mkdir("./syz-tmp/newroot", 0777 [pid 5844] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] <... write resumed>) = 6 [pid 5844] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] close(3 [pid 5841] <... mkdir resumed>) = 0 [pid 5844] <... mount resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5841] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5843] mkdir("./syz-tmp", 0777 [pid 5841] <... mkdir resumed>) = 0 [pid 5844] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 5844] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5843] <... mkdir resumed>) = 0 [pid 5841] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5841] <... mount resumed>) = 0 [pid 5844] mkdir("./syz-tmp/newroot/syzcgroup", 0700) = 0 [pid 5844] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700) = 0 [pid 5844] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5841] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5844] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700) = 0 [pid 5844] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5841] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5844] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5844] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mount resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot", 0777 [pid 5841] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5844] <... mount resumed>) = 0 [pid 5844] mkdir("./syz-tmp/pivot", 0777 [pid 5843] <... mkdir resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... unshare resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5844] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5843] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5842] <... unshare resumed>) = 0 [pid 5844] <... pivot_root resumed>) = 0 [pid 5841] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5844] chdir("/" [pid 5843] <... mkdir resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] umount2("./pivot", MNT_DETACH [pid 5841] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... openat resumed>) = 3 [pid 5843] <... mount resumed>) = 0 [pid 5841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5842] openat(AT_FDCWD, "/proc/sys/net/ipv4/ping_group_range", O_WRONLY|O_CLOEXEC [pid 5841] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5840] write(3, "0 65535", 7 [pid 5844] <... umount2 resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... write resumed>) = 7 [pid 5844] chroot("./newroot" [pid 5841] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] close(3 [pid 5843] <... mkdir resumed>) = 0 [pid 5844] <... chroot resumed>) = 0 [pid 5844] chdir("/" [pid 5843] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5842] <... openat resumed>) = 3 [pid 5841] <... mount resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5844] <... chdir resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5842] write(3, "0 65535", 7 [pid 5841] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5844] mkdir("/dev/gadgetfs", 0777 [pid 5840] <... openat resumed>) = 3 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5842] <... write resumed>) = 7 [pid 5841] <... mount resumed>) = 0 [pid 5840] write(3, "100000", 6 [pid 5844] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5843] <... mkdir resumed>) = 0 [pid 5842] close(3 [pid 5841] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5844] <... mount resumed>) = 0 [pid 5843] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 6 [pid 5844] mkdir("/dev/binderfs", 0777 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5842] openat(AT_FDCWD, "/proc/sys/fs/mount-max", O_WRONLY|O_CLOEXEC [pid 5841] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] close(3 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] <... openat resumed>) = 3 [pid 5841] <... mount resumed>) = 0 [pid 5842] write(3, "100000", 6 [pid 5840] <... close resumed>) = 0 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5842] <... write resumed>) = 6 [pid 5844] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5843] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5842] close(3 [pid 5841] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5840] mkdir("./syz-tmp", 0777 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5842] mkdir("./syz-tmp", 0777 [pid 5843] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5842] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5844] <... mount resumed>) = 0 [pid 5843] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mount("", "./syz-tmp", "tmpfs", 0, NULL [pid 5844] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5843] <... mount resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5841] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mount resumed>) = 0 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5842] mkdir("./syz-tmp/newroot", 0777 [pid 5841] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5840] mkdir("./syz-tmp/newroot", 0777 [pid 5844] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5843] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5840] <... mkdir resumed>) = 0 [pid 5842] mkdir("./syz-tmp/newroot/dev", 0700) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/dev", 0700 [pid 5844] getpid( [pid 5843] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... getpid resumed>) = 1 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5843] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] <... mount resumed>) = 0 [pid 5844] mkdir("/syzcgroup/unified/syz4", 0777 [pid 5843] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5840] mount("/dev", "./syz-tmp/newroot/dev", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/syzcgroup/unified/syz4/pids.max", O_WRONLY|O_CLOEXEC [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/proc", 0700 [pid 5844] <... openat resumed>) = 3 [pid 5843] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5842] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5841] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5840] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] mount("syz-proc", "./syz-tmp/newroot/proc", "proc", 0, NULL [pid 5844] write(3, "32", 2 [pid 5841] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5843] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5844] <... write resumed>) = 2 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5841] <... mount resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/selinux", 0700 [pid 5844] close(3 [pid 5842] <... mkdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mkdir resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/syzcgroup/unified/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5843] <... mount resumed>) = 0 [pid 5842] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... openat resumed>) = 3 [pid 5841] <... mount resumed>) = 0 [pid 5840] mount("/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5842] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5840] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] mount("/sys/fs/selinux", "./syz-tmp/newroot/selinux", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] write(3, "1", 1 [pid 5843] <... mount resumed>) = 0 [pid 5842] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5841] <... mount resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/sys", 0700) = 0 [pid 5844] <... write resumed>) = 1 [pid 5843] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] mkdir("./syz-tmp/newroot/sys", 0700 [pid 5841] mkdir("./syz-tmp/pivot", 0777 [pid 5844] close(3 [pid 5843] <... mount resumed>) = 0 [pid 5840] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] <... mkdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5843] mkdir("./syz-tmp/pivot", 0777 [pid 5842] mount("/sys", "./syz-tmp/newroot/sys", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5841] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5840] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] mkdir("/syzcgroup/cpu/syz4", 0777 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5841] <... pivot_root resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5840] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = -1 ENOENT (No such file or directory) [pid 5840] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5841] chdir("/") = 0 [pid 5843] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5842] mount("/sys/kernel/debug", "./syz-tmp/newroot/sys/kernel/debug", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] umount2("./pivot", MNT_DETACH [pid 5840] mkdir("./syz-tmp/newroot/syz-inputs", 0700) = 0 [pid 5841] <... umount2 resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... pivot_root resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5840] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5843] chdir("/" [pid 5842] mount("/sys/fs/smackfs", "./syz-tmp/newroot/sys/fs/smackfs", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] chroot("./newroot" [pid 5840] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5844] <... openat resumed>) = 3 [pid 5841] <... chroot resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5844] write(3, "1", 1 [pid 5841] chdir("/" [pid 5840] <... mkdir resumed>) = 0 [pid 5844] <... write resumed>) = 1 [pid 5843] <... chdir resumed>) = 0 [pid 5842] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] umount2("./pivot", MNT_DETACH [pid 5842] mount("/proc/sys/fs/binfmt_misc", "./syz-tmp/newroot/proc/sys/fs/binfmt_misc", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... chdir resumed>) = 0 [pid 5841] mkdir("/dev/gadgetfs", 0777 [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5844] close(3 [pid 5841] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5840] <... mkdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5841] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5844] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5843] <... umount2 resumed>) = 0 [pid 5841] <... mount resumed>) = 0 [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5842] mkdir("./syz-tmp/newroot/syz-inputs", 0700 [pid 5844] <... openat resumed>) = 3 [pid 5843] chroot("./newroot" [pid 5842] <... mkdir resumed>) = 0 [pid 5841] mkdir("/dev/binderfs", 0777 [pid 5840] <... mkdir resumed>) = 0 [pid 5844] write(3, "313524224", 9 [pid 5843] <... chroot resumed>) = 0 [pid 5841] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5840] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5842] mount("/syz-inputs", "./syz-tmp/newroot/syz-inputs", NULL, MS_RDONLY|MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] chdir("/" [pid 5842] <... mount resumed>) = -1 ENOENT (No such file or directory) [pid 5843] <... chdir resumed>) = 0 [pid 5843] mkdir("/dev/gadgetfs", 0777 [pid 5842] mkdir("./syz-tmp/newroot/syzcgroup", 0700 [pid 5843] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5843] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5842] <... mkdir resumed>) = 0 [pid 5843] <... mount resumed>) = 0 [pid 5844] <... write resumed>) = 9 [pid 5842] mkdir("./syz-tmp/newroot/syzcgroup/unified", 0700 [pid 5841] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5840] <... mkdir resumed>) = 0 [pid 5844] close(3 [pid 5843] mkdir("/dev/binderfs", 0777 [pid 5842] <... mkdir resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5844] openat(AT_FDCWD, "/syzcgroup/cpu/syz4/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5842] mkdir("./syz-tmp/newroot/syzcgroup/cpu", 0700 [pid 5841] <... mount resumed>) = 0 [pid 5840] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5843] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5844] write(3, "314572800", 9 [pid 5843] <... mount resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5840] <... mount resumed>) = 0 [pid 5844] <... write resumed>) = 9 [pid 5843] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5842] mkdir("./syz-tmp/newroot/syzcgroup/net", 0700 [pid 5844] close(3 [pid 5841] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5840] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5844] <... close resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] getpid( [pid 5840] <... mount resumed>) = 0 [pid 5844] mkdir("/syzcgroup/net/syz4", 0777 [pid 5842] mount("/syzcgroup/unified", "./syz-tmp/newroot/syzcgroup/unified", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5841] <... getpid resumed>) = 1 [pid 5843] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5841] mkdir("/syzcgroup/unified/syz2", 0777 [pid 5843] getpid() = 1 [pid 5843] mkdir("/syzcgroup/unified/syz1", 0777 [pid 5842] <... mount resumed>) = 0 [pid 5840] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5842] mount("/syzcgroup/cpu", "./syz-tmp/newroot/syzcgroup/cpu", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5842] mount("/syzcgroup/net", "./syz-tmp/newroot/syzcgroup/net", NULL, MS_BIND|MS_REC|MS_PRIVATE, NULL [pid 5840] mkdir("./syz-tmp/pivot", 0777 [pid 5842] <... mount resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5842] mkdir("./syz-tmp/pivot", 0777 [pid 5840] pivot_root("./syz-tmp", "./syz-tmp/pivot" [pid 5842] <... mkdir resumed>) = 0 [pid 5840] <... pivot_root resumed>) = 0 [pid 5842] pivot_root("./syz-tmp", "./syz-tmp/pivot") = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] chdir("/" [pid 5844] openat(AT_FDCWD, "/syzcgroup/net/syz4/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5843] openat(AT_FDCWD, "/syzcgroup/unified/syz1/pids.max", O_WRONLY|O_CLOEXEC [pid 5842] chdir("/" [pid 5840] <... chdir resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5841] openat(AT_FDCWD, "/syzcgroup/unified/syz2/pids.max", O_WRONLY|O_CLOEXEC [pid 5843] <... openat resumed>) = 3 [pid 5842] <... chdir resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5840] umount2("./pivot", MNT_DETACH [pid 5844] write(3, "1", 1 [pid 5841] write(3, "32", 2 [pid 5844] <... write resumed>) = 1 [pid 5842] umount2("./pivot", MNT_DETACH [pid 5841] <... write resumed>) = 2 [pid 5843] write(3, "32", 2 [pid 5841] close(3 [pid 5840] <... umount2 resumed>) = 0 [pid 5844] close(3 [pid 5843] <... write resumed>) = 2 [pid 5844] <... close resumed>) = 0 [pid 5843] close(3 [pid 5844] mkdir("./0", 0777 [pid 5843] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = 0 [pid 5840] chroot("./newroot" [pid 5844] <... mkdir resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/syzcgroup/unified/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5841] <... close resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... openat resumed>) = 3 [pid 5842] chroot("./newroot" [pid 5841] openat(AT_FDCWD, "/syzcgroup/unified/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5840] <... chroot resumed>) = 0 [ 89.703121][ T5844] soft_limit_in_bytes is deprecated and will be removed. Please report your usecase to linux-mm@kvack.org if you depend on this functionality. [pid 5843] write(3, "1", 1./strace-static-x86_64: Process 5852 attached [pid 5842] <... chroot resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5840] chdir("/" [pid 5841] write(3, "1", 1 [pid 5842] chdir("/" [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 2 [pid 5843] <... write resumed>) = 1 [pid 5842] <... chdir resumed>) = 0 [pid 5840] <... chdir resumed>) = 0 [pid 5843] close(3 [pid 5840] mkdir("/dev/gadgetfs", 0777 [pid 5843] <... close resumed>) = 0 [pid 5840] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5843] mkdir("/syzcgroup/cpu/syz1", 0777 [pid 5840] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5842] mkdir("/dev/gadgetfs", 0777 [pid 5852] set_robust_list(0x55558030a6a0, 24 [pid 5841] <... write resumed>) = 1 [pid 5852] <... set_robust_list resumed>) = 0 [pid 5842] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5852] chdir("./0" [pid 5841] close(3 [pid 5840] <... mount resumed>) = 0 [pid 5852] <... chdir resumed>) = 0 [pid 5852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... close resumed>) = 0 [pid 5840] mkdir("/dev/binderfs", 0777) = -1 EEXIST (File exists) [pid 5852] <... prctl resumed>) = 0 [pid 5842] mount("gadgetfs", "/dev/gadgetfs", "gadgetfs", 0, NULL [pid 5841] mkdir("/syzcgroup/cpu/syz2", 0777 [pid 5840] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5852] setpgid(0, 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... mount resumed>) = 0 [pid 5840] <... mount resumed>) = 0 [pid 5852] <... setpgid resumed>) = 0 [pid 5843] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5842] mkdir("/dev/binderfs", 0777 [pid 5852] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5842] <... mkdir resumed>) = -1 EEXIST (File exists) [pid 5852] <... symlink resumed>) = 0 [pid 5840] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5852] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5840] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5852] <... symlink resumed>) = 0 [pid 5842] mount("binder", "/dev/binderfs", "binder", 0, NULL [pid 5852] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5840] getpid() = 1 [pid 5840] mkdir("/syzcgroup/unified/syz0", 0777 [pid 5852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... openat resumed>) = 3 [pid 5842] <... mount resumed>) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5843] write(3, "1", 1 [pid 5842] mount(NULL, "/sys/fs/fuse/connections", "fusectl", 0, NULL [pid 5843] <... write resumed>) = 1 [pid 5842] <... mount resumed>) = -1 EBUSY (Device or resource busy) [pid 5852] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5841] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5840] <... mkdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5842] getpid( [pid 5843] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5842] <... getpid resumed>) = 1 [pid 5852] write(3, "1000", 4 [pid 5842] mkdir("/syzcgroup/unified/syz3", 0777 [pid 5841] <... openat resumed>) = 3 [pid 5840] openat(AT_FDCWD, "/syzcgroup/unified/syz0/pids.max", O_WRONLY|O_CLOEXEC [pid 5852] <... write resumed>) = 4 [pid 5843] <... openat resumed>) = 3 [pid 5841] write(3, "1", 1 [pid 5852] close(3 [pid 5841] <... write resumed>) = 1 [pid 5852] <... close resumed>) = 0 [pid 5841] close(3 [pid 5852] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5841] <... close resumed>) = 0 [pid 5852] write(1, "executing program\n", 18 [pid 5841] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC) = 3 [pid 5852] <... write resumed>) = 18 [pid 5841] write(3, "313524224", 9) = 9 [pid 5852] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] close(3 [pid 5843] write(3, "313524224", 9 [pid 5852] <... futex resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5843] <... write resumed>) = 9 [pid 5842] <... mkdir resumed>) = 0 [pid 5843] close(3 [pid 5840] write(3, "32", 2 [pid 5842] openat(AT_FDCWD, "/syzcgroup/unified/syz3/pids.max", O_WRONLY|O_CLOEXEC [pid 5843] <... close resumed>) = 0 [pid 5840] <... write resumed>) = 2 [pid 5852] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5841] openat(AT_FDCWD, "/syzcgroup/cpu/syz2/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5852] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] openat(AT_FDCWD, "/syzcgroup/cpu/syz1/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5842] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5840] close(3 [pid 5852] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5841] write(3, "314572800", 9 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] <... openat resumed>) = 3 [pid 5842] write(3, "32", 2 [pid 5841] <... write resumed>) = 9 [pid 5840] <... close resumed>) = 0 [pid 5852] <... mmap resumed>) = 0x7fb5e5108000 [pid 5843] write(3, "314572800", 9 [pid 5842] <... write resumed>) = 2 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "/syzcgroup/unified/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5843] <... write resumed>) = 9 [pid 5842] close(3 [pid 5852] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... close resumed>) = 0 [pid 5852] <... mprotect resumed>) = 0 [pid 5843] close(3 [pid 5842] <... close resumed>) = 0 [pid 5841] mkdir("/syzcgroup/net/syz2", 0777 [pid 5840] <... openat resumed>) = 3 [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] <... close resumed>) = 0 [pid 5842] openat(AT_FDCWD, "/syzcgroup/unified/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5840] write(3, "1", 1 [pid 5852] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] mkdir("/syzcgroup/net/syz1", 0777 [pid 5842] <... openat resumed>) = 3 [pid 5841] <... mkdir resumed>) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5840] <... write resumed>) = 1 [pid 5842] write(3, "1", 1./strace-static-x86_64: Process 5853 attached [pid 5841] openat(AT_FDCWD, "/syzcgroup/net/syz2/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5853] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5840] close(3 [pid 5853] <... rseq resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5853] set_robust_list(0x7fb5e51289a0, 24 [pid 5852] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5840] mkdir("/syzcgroup/cpu/syz0", 0777 [pid 5853] <... set_robust_list resumed>) = 0 [pid 5853] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... mkdir resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... mkdir resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] openat(AT_FDCWD, "/syzcgroup/net/syz1/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5853] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5853] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5843] write(3, "1", 1 [pid 5842] <... write resumed>) = 1 [pid 5841] write(3, "1", 1 [pid 5840] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5843] <... write resumed>) = 1 [pid 5842] close(3 [pid 5841] <... write resumed>) = 1 [pid 5840] <... openat resumed>) = 3 [pid 5843] close(3 [pid 5842] <... close resumed>) = 0 [pid 5841] close(3 [pid 5840] write(3, "1", 1 [pid 5843] <... close resumed>) = 0 [pid 5841] <... close resumed>) = 0 [pid 5843] mkdir("./0", 0777 [pid 5842] mkdir("/syzcgroup/cpu/syz3", 0777 [pid 5841] mkdir("./0", 0777 [pid 5840] <... write resumed>) = 1 [pid 5842] <... mkdir resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5854 attached [pid 5841] <... mkdir resumed>) = 0 [pid 5840] close(3 [pid 5854] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 2 [pid 5842] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5854] <... set_robust_list resumed>) = 0 [pid 5854] chdir("./0" [pid 5842] <... openat resumed>) = 3 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] <... close resumed>) = 0 [pid 5842] write(3, "1", 1 [pid 5840] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5854] <... chdir resumed>) = 0 [pid 5854] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5854] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 5855 attached [pid 5842] <... write resumed>) = 1 [pid 5840] <... openat resumed>) = 3 [pid 5855] set_robust_list(0x55558030a6a0, 24 [pid 5842] close(3 [pid 5840] write(3, "313524224", 9 [pid 5855] <... set_robust_list resumed>) = 0 [pid 5854] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5842] <... close resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 2 [pid 5840] <... write resumed>) = 9 [pid 5842] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.soft_limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5840] close(3 [pid 5852] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] <... openat resumed>) = 3 [pid 5840] <... close resumed>) = 0 [pid 5852] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] openat(AT_FDCWD, "/syzcgroup/cpu/syz0/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5855] chdir("./0" [pid 5852] <... futex resumed>) = 0 [pid 5842] write(3, "313524224", 9 [pid 5840] <... openat resumed>) = 3 [pid 5855] <... chdir resumed>) = 0 [pid 5854] <... symlink resumed>) = 0 [pid 5852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] <... write resumed>) = 9 [pid 5840] write(3, "314572800", 9 [pid 5855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5854] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5840] <... write resumed>) = 9 [pid 5855] <... prctl resumed>) = 0 [pid 5842] close(3 [pid 5840] close(3 [pid 5855] setpgid(0, 0 [pid 5854] <... symlink resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5840] <... close resumed>) = 0 [pid 5855] <... setpgid resumed>) = 0 [pid 5854] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5842] openat(AT_FDCWD, "/syzcgroup/cpu/syz3/memory.limit_in_bytes", O_WRONLY|O_CLOEXEC [pid 5840] mkdir("/syzcgroup/net/syz0", 0777 [pid 5855] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5854] <... symlink resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5855] <... symlink resumed>) = 0 [pid 5854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... openat resumed>) = 3 [pid 5855] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5842] write(3, "314572800", 9) = 9 [pid 5842] close(3 [pid 5854] <... openat resumed>) = 3 [pid 5842] <... close resumed>) = 0 [pid 5855] <... symlink resumed>) = 0 [pid 5854] write(3, "1000", 4 [pid 5855] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 executing program [pid 5854] <... write resumed>) = 4 [pid 5842] mkdir("/syzcgroup/net/syz3", 0777 [pid 5840] openat(AT_FDCWD, "/syzcgroup/net/syz0/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5854] close(3 [pid 5855] <... openat resumed>) = 3 [pid 5854] <... close resumed>) = 0 [pid 5855] write(3, "1000", 4 [pid 5854] symlink("/dev/binderfs", "./binderfs" [pid 5855] <... write resumed>) = 4 [pid 5854] <... symlink resumed>) = 0 [pid 5855] close(3 [pid 5854] write(1, "executing program\n", 18 [pid 5855] <... close resumed>) = 0 [pid 5854] <... write resumed>) = 18 [pid 5855] symlink("/dev/binderfs", "./binderfs" [pid 5854] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... symlink resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5854] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5854] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program [pid 5840] <... openat resumed>) = 3 [pid 5855] write(1, "executing program\n", 18 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] <... write resumed>) = 18 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... mmap resumed>) = 0x7fb5e5108000 [pid 5855] <... futex resumed>) = 0 [pid 5854] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5855] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5854] <... mprotect resumed>) = 0 [pid 5855] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] write(3, "1", 1 [pid 5855] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5856 attached [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... write resumed>) = 1 [pid 5856] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5855] <... mmap resumed>) = 0x7fb5e5108000 [pid 5854] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5856] <... rseq resumed>) = 0 [pid 5855] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5854] rt_sigprocmask(SIG_SETMASK, [], [pid 5856] set_robust_list(0x7fb5e51289a0, 24 [pid 5855] <... mprotect resumed>) = 0 [pid 5854] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] openat(AT_FDCWD, "/syzcgroup/net/syz3/cgroup.procs", O_WRONLY|O_CLOEXEC [pid 5840] close(3 [pid 5856] <... set_robust_list resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5856] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5854] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... openat resumed>) = 3 [pid 5856] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5840] <... close resumed>) = 0 [pid 5842] write(3, "1", 1 [pid 5840] mkdir("./0", 0777./strace-static-x86_64: Process 5857 attached [pid 5855] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5857] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... mkdir resumed>) = 0 [pid 5857] <... rseq resumed>) = 0 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] set_robust_list(0x7fb5e51289a0, 24 [pid 5855] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5857] <... set_robust_list resumed>) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5857] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5857] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5842] <... write resumed>) = 1 ./strace-static-x86_64: Process 5858 attached [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 2 [pid 5858] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5858] chdir("./0" [pid 5842] close(3 [pid 5858] <... chdir resumed>) = 0 [pid 5842] <... close resumed>) = 0 [pid 5858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] mkdir("./0", 0777 [pid 5858] <... prctl resumed>) = 0 [pid 5858] setpgid(0, 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5858] <... setpgid resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5858] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5858] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu"./strace-static-x86_64: Process 5859 attached [pid 5859] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 2 [pid 5859] <... set_robust_list resumed>) = 0 [pid 5858] <... symlink resumed>) = 0 [pid 5859] chdir("./0" [pid 5858] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5859] <... chdir resumed>) = 0 [pid 5858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5858] write(3, "1000", 4) = 4 [pid 5859] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 executing program [pid 5858] close(3 [pid 5859] setpgid(0, 0 [pid 5858] <... close resumed>) = 0 [pid 5859] <... setpgid resumed>) = 0 [pid 5858] symlink("/dev/binderfs", "./binderfs" [pid 5859] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5858] <... symlink resumed>) = 0 [pid 5859] <... symlink resumed>) = 0 [pid 5858] write(1, "executing program\n", 18) = 18 [pid 5858] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5858] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5859] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5858] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5859] <... symlink resumed>) = 0 [pid 5858] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5859] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... symlink resumed>) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] <... mmap resumed>) = 0x7fb5e5108000 [pid 5859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5858] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5859] <... openat resumed>) = 3 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5854] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] write(3, "1000", 4 [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] <... write resumed>) = 4 [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5859] close(3./strace-static-x86_64: Process 5860 attached ) = 0 [pid 5859] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5855] <... futex resumed>) = 0 executing program [pid 5860] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5859] write(1, "executing program\n", 18 [pid 5858] <... clone3 resumed> => {parent_tid=[3]}, 88) = 3 [pid 5860] <... rseq resumed>) = 0 [pid 5859] <... write resumed>) = 18 [pid 5859] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5860] set_robust_list(0x7fb5e51289a0, 24 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5860] <... set_robust_list resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5860] rt_sigprocmask(SIG_SETMASK, [], [pid 5858] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] <... mmap resumed>) = 0x7fb5e5108000 [pid 5860] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5858] <... futex resumed>) = 0 [pid 5860] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5859] <... mprotect resumed>) = 0 [pid 5858] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5861 attached => {parent_tid=[3]}, 88) = 3 [pid 5861] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5861] set_robust_list(0x7fb5e51289a0, 24 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5861] <... set_robust_list resumed>) = 0 [pid 5859] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... futex resumed>) = 0 [pid 5861] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5861] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... mmap resumed>) = 0x200000000000 [pid 5852] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5858] <... futex resumed>) = 0 [pid 5858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5859] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5853] <... futex resumed>) = 0 [pid 5852] <... mprotect resumed>) = 0 [pid 5853] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5852] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5862 attached [pid 5862] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5852] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5862] <... rseq resumed>) = 0 [pid 5859] <... futex resumed>) = 0 [pid 5852] rt_sigprocmask(SIG_SETMASK, [], [pid 5862] set_robust_list(0x7fb5e51079a0, 24 [pid 5859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5862] <... set_robust_list resumed>) = 0 [pid 5852] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5862] rt_sigprocmask(SIG_SETMASK, [], [pid 5852] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5852] <... futex resumed>) = 0 [pid 5862] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5852] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... socketpair resumed>0x200000000200) = 0 [pid 5862] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5852] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] <... futex resumed>) = 0 [pid 5852] <... futex resumed>) = 1 [pid 5853] sendmmsg(4, [pid 5852] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5852] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5862] <... futex resumed>) = 0 [pid 5852] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5862] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5862] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5862] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5852] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... mremap resumed>) = 0x200000a00000 [pid 5862] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5862] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5852] <... futex resumed>) = 0 [pid 5862] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5852] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5862] <... mremap resumed>) = 0x200000a00000 [pid 5862] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5852] <... futex resumed>) = 0 [pid 5862] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5857] <... mmap resumed>) = 0x200000000000 [pid 5856] <... mmap resumed>) = 0x200000000000 [pid 5855] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5854] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5857] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... mprotect resumed>) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5857] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5856] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5854] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5856] <... futex resumed>) = 0 [pid 5855] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5863 attached [pid 5856] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] <... mprotect resumed>) = 0 [pid 5863] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5855] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5863] <... rseq resumed>) = 0 [pid 5855] rt_sigprocmask(SIG_SETMASK, [], [pid 5854] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5863] set_robust_list(0x7fb5e51079a0, 24 [pid 5855] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5863] <... set_robust_list resumed>) = 0 [pid 5855] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5863] rt_sigprocmask(SIG_SETMASK, [], [pid 5855] <... futex resumed>) = 0 [pid 5863] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5855] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5864 attached [pid 5863] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5864] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5854] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5854] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5864] <... rseq resumed>) = 0 [pid 5863] <... socketpair resumed>0x200000000200) = 0 [pid 5854] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] set_robust_list(0x7fb5e51079a0, 24 [pid 5863] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5854] <... futex resumed>) = 0 [pid 5864] <... set_robust_list resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5854] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] rt_sigprocmask(SIG_SETMASK, [], [pid 5863] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5857] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 1 [pid 5864] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5857] sendmmsg(4, [pid 5855] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] <... socketpair resumed>0x200000000200) = 0 [pid 5864] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5864] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5854] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5856] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 1 [pid 5856] sendmmsg(4, [pid 5854] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5861] <... mmap resumed>) = 0x200000000000 [pid 5859] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5861] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5861] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] <... mprotect resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5859] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5865 attached [pid 5865] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5859] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5865] <... rseq resumed>) = 0 [pid 5859] rt_sigprocmask(SIG_SETMASK, [], [pid 5865] set_robust_list(0x7fb5e51079a0, 24 [pid 5859] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5865] <... set_robust_list resumed>) = 0 [pid 5859] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] rt_sigprocmask(SIG_SETMASK, [], [pid 5859] <... futex resumed>) = 0 [pid 5865] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5859] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5865] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5865] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5861] sendmmsg(4, [pid 5859] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5860] <... mmap resumed>) = 0x200000000000 [pid 5858] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5855] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5854] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5860] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5855] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] <... futex resumed>) = 0 [pid 5860] <... futex resumed>) = 0 [pid 5855] <... futex resumed>) = 1 [pid 5854] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] recvmmsg(3, [pid 5860] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... mprotect resumed>) = 0 [pid 5855] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] <... futex resumed>) = 1 [pid 5864] <... futex resumed>) = 0 [pid 5863] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5854] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5864] recvmmsg(3, [pid 5863] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5864] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5863] <... futex resumed>) = 1 [pid 5858] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5855] <... futex resumed>) = 0 [pid 5864] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5855] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5864] <... futex resumed>) = 1 [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5855] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5866 attached [pid 5864] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5863] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5858] <... clone3 resumed> => {parent_tid=[4]}, 88) = 4 [pid 5854] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5864] <... mremap resumed>) = 0x200000a00000 [pid 5863] <... mremap resumed>) = 0x200000a00000 [pid 5858] rt_sigprocmask(SIG_SETMASK, [], [pid 5866] <... rseq resumed>) = 0 [pid 5864] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5866] set_robust_list(0x7fb5e51079a0, 24 [pid 5864] <... futex resumed>) = 1 [pid 5863] <... futex resumed>) = 1 [pid 5858] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5866] <... set_robust_list resumed>) = 0 [pid 5864] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... futex resumed>) = 0 [pid 5854] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] rt_sigprocmask(SIG_SETMASK, [], [pid 5864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5863] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5858] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... futex resumed>) = 0 [pid 5854] <... futex resumed>) = 0 [pid 5866] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5864] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5863] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5855] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5854] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5864] <... mremap resumed>) = 0x200000a00000 [pid 5863] <... mremap resumed>) = 0x200000a00000 [pid 5859] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5866] <... socketpair resumed>0x200000000200) = 0 [pid 5864] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5863] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5866] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = 0 [pid 5864] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 1 [pid 5854] <... futex resumed>) = 0 [pid 5863] <... futex resumed>) = 1 [pid 5855] <... futex resumed>) = 0 [pid 5866] <... futex resumed>) = 1 [pid 5865] recvmmsg(3, [pid 5864] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5863] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... futex resumed>) = 0 [pid 5866] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5858] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5865] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5858] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5865] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5860] sendmmsg(4, [pid 5859] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5865] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5859] <... futex resumed>) = 0 [pid 5865] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000) = 0x200000a00000 [pid 5859] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] close(3 [pid 5865] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5865] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5853] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5859] <... futex resumed>) = 0 [pid 5853] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... close resumed>) = 0 [pid 5859] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5853] <... futex resumed>) = 0 [pid 5852] close(4 [pid 5853] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5865] <... futex resumed>) = 0 [pid 5859] <... futex resumed>) = 1 [pid 5852] <... close resumed>) = 0 [pid 5865] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5859] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] close(5 [pid 5865] <... mremap resumed>) = 0x200000a00000 [pid 5865] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] <... futex resumed>) = 1 [pid 5859] <... futex resumed>) = 0 [pid 5852] close(6 [pid 5865] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5852] close(7) = -1 EBADF (Bad file descriptor) [pid 5852] close(8) = -1 EBADF (Bad file descriptor) [pid 5852] close(9) = -1 EBADF (Bad file descriptor) [pid 5852] close(10) = -1 EBADF (Bad file descriptor) [pid 5852] close(11) = -1 EBADF (Bad file descriptor) [pid 5852] close(12) = -1 EBADF (Bad file descriptor) [pid 5852] close(13) = -1 EBADF (Bad file descriptor) [pid 5852] close(14) = -1 EBADF (Bad file descriptor) [pid 5852] close(15) = -1 EBADF (Bad file descriptor) [pid 5852] close(16) = -1 EBADF (Bad file descriptor) [pid 5852] close(17) = -1 EBADF (Bad file descriptor) [pid 5852] close(18) = -1 EBADF (Bad file descriptor) [pid 5852] close(19) = -1 EBADF (Bad file descriptor) [pid 5852] close(20) = -1 EBADF (Bad file descriptor) [pid 5852] close(21) = -1 EBADF (Bad file descriptor) [pid 5852] close(22) = -1 EBADF (Bad file descriptor) [pid 5858] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5858] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] close(23 [pid 5866] <... futex resumed>) = 0 [pid 5858] <... futex resumed>) = 1 [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] recvmmsg(3, [pid 5858] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] close(24 [pid 5866] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] close(25) = -1 EBADF (Bad file descriptor) [pid 5866] <... futex resumed>) = 1 [pid 5852] close(26 [pid 5858] <... futex resumed>) = 0 [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5858] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] close(27 [pid 5858] <... futex resumed>) = 0 [pid 5858] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... mremap resumed>) = 0x200000a00000 [pid 5852] close(28 [pid 5866] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5866] <... futex resumed>) = 1 [pid 5858] <... futex resumed>) = 0 [pid 5852] close(29 [pid 5866] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5858] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... futex resumed>) = 0 [pid 5858] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5866] <... mremap resumed>) = 0x200000a00000 [pid 5852] exit_group(0 [pid 5853] <... futex resumed>) = ? [pid 5862] <... futex resumed>) = ? [pid 5852] <... exit_group resumed>) = ? [pid 5866] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5862] +++ exited with 0 +++ [pid 5853] +++ exited with 0 +++ [pid 5866] <... futex resumed>) = 1 [pid 5866] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] <... futex resumed>) = 0 [pid 5852] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5844] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./0/binderfs") = 0 [pid 5844] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./0/cgroup.net") = 0 [pid 5844] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./0/cgroup.cpu") = 0 [pid 5844] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./0/cgroup") = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./0") = 0 [pid 5844] mkdir("./1", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5867 attached [pid 5867] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 5 [pid 5867] <... set_robust_list resumed>) = 0 [pid 5867] chdir("./1") = 0 [pid 5867] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5867] setpgid(0, 0) = 0 [pid 5867] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5867] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5867] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5867] write(3, "1000", 4) = 4 [pid 5867] close(3) = 0 [pid 5867] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5867] write(1, "executing program\n", 18executing program ) = 18 [pid 5867] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5867] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5867] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} => {parent_tid=[6]}, 88) = 6 ./strace-static-x86_64: Process 5868 attached [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5868] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5868] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5867] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5868] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5867] <... futex resumed>) = 0 [pid 5868] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5867] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5867] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5868] <... mmap resumed>) = 0x200000000000 [pid 5867] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5868] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5868] <... futex resumed>) = 0 [pid 5868] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... mprotect resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5867] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5869 attached [pid 5869] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5867] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5869] <... rseq resumed>) = 0 [pid 5867] rt_sigprocmask(SIG_SETMASK, [], [pid 5869] set_robust_list(0x7fb5e51079a0, 24 [pid 5867] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5869] <... set_robust_list resumed>) = 0 [pid 5867] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(3 [pid 5869] rt_sigprocmask(SIG_SETMASK, [], [pid 5867] <... futex resumed>) = 0 [pid 5869] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5867] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5861] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5859] <... close resumed>) = 0 [pid 5869] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5859] close(4 [pid 5869] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5861] <... futex resumed>) = 0 [pid 5859] <... close resumed>) = 0 [pid 5869] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5861] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5859] close(5 [pid 5868] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 1 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5868] sendmmsg(4, [pid 5867] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5859] close(6 [pid 5855] close(3 [pid 5857] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = 0 [pid 5859] close(7 [pid 5857] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] close(4 [pid 5854] close(3 [pid 5859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] <... futex resumed>) = 0 [pid 5855] <... close resumed>) = 0 [pid 5859] close(8) = -1 EBADF (Bad file descriptor) [pid 5859] close(9) = -1 EBADF (Bad file descriptor) [pid 5859] close(10) = -1 EBADF (Bad file descriptor) [pid 5859] close(11) = -1 EBADF (Bad file descriptor) [pid 5859] close(12) = -1 EBADF (Bad file descriptor) [pid 5859] close(13) = -1 EBADF (Bad file descriptor) [pid 5859] close(14) = -1 EBADF (Bad file descriptor) [pid 5859] close(15) = -1 EBADF (Bad file descriptor) [pid 5859] close(16) = -1 EBADF (Bad file descriptor) [pid 5859] close(17) = -1 EBADF (Bad file descriptor) [pid 5859] close(18) = -1 EBADF (Bad file descriptor) [pid 5859] close(19) = -1 EBADF (Bad file descriptor) [pid 5857] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] close(5 [pid 5859] close(20) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(21) = -1 EBADF (Bad file descriptor) [pid 5855] close(6 [pid 5859] close(22) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(23) = -1 EBADF (Bad file descriptor) [pid 5855] close(7 [pid 5859] close(24) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(25) = -1 EBADF (Bad file descriptor) [pid 5855] close(8 [pid 5859] close(26) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(27) = -1 EBADF (Bad file descriptor) [pid 5855] close(9 [pid 5859] close(28) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5859] close(29) = -1 EBADF (Bad file descriptor) [pid 5855] close(10 [pid 5859] exit_group(0 [pid 5865] <... futex resumed>) = ? [pid 5861] <... futex resumed>) = ? [pid 5859] <... exit_group resumed>) = ? [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5865] +++ exited with 0 +++ [pid 5861] +++ exited with 0 +++ [pid 5856] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5855] close(11 [pid 5854] <... close resumed>) = 0 [pid 5856] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(4 [pid 5856] <... futex resumed>) = 0 [pid 5855] close(12 [pid 5854] <... close resumed>) = 0 [pid 5856] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(5 [pid 5855] close(13 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(14 [pid 5854] close(6 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(15 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(7 [pid 5855] close(16) = -1 EBADF (Bad file descriptor) [pid 5855] close(17 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(8 [pid 5855] close(18 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(19 [pid 5854] close(9 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] close(20 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(10 [pid 5855] close(21 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(11 [pid 5855] close(22 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(12 [pid 5855] close(23 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] close(3 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(13 [pid 5867] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5867] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = 0 [pid 5867] <... futex resumed>) = 1 [pid 5869] recvmmsg(3, [pid 5867] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5869] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5869] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5869] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 0 [pid 5855] close(24 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5867] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(14 [pid 5869] <... mremap resumed>) = 0x200000a00000 [pid 5855] close(25 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5858] <... close resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5860] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(4 [pid 5855] close(26 [pid 5854] close(15 [pid 5869] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5860] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = 0 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] <... futex resumed>) = 0 [pid 5860] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] close(5 [pid 5855] close(27 [pid 5869] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5867] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(16 [pid 5869] <... mremap resumed>) = 0x200000a00000 [pid 5858] close(6 [pid 5855] close(28 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(17 [pid 5855] close(29 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] close(7 [pid 5855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(18 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5855] exit_group(0 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5863] <... futex resumed>) = ? [pid 5858] close(8 [pid 5857] <... futex resumed>) = ? [pid 5855] <... exit_group resumed>) = ? [pid 5854] close(19 [pid 5863] +++ exited with 0 +++ [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5857] +++ exited with 0 +++ [pid 5869] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5858] close(9 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5869] <... futex resumed>) = 1 [pid 5867] <... futex resumed>) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(20 [pid 5869] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5858] close(10 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(21 [pid 5858] close(11 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(22 [pid 5858] close(12 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(23 [pid 5858] close(13 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(24) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(25 [pid 5858] close(14 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(26 [pid 5859] +++ exited with 0 +++ [pid 5858] close(15 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(27 [pid 5858] close(16 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(28 [pid 5858] close(17 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] close(29 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5858] close(18 [pid 5854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5854] exit_group(0 [pid 5864] <... futex resumed>) = ? [pid 5858] close(19 [pid 5856] <... futex resumed>) = ? [pid 5854] <... exit_group resumed>) = ? [pid 5864] +++ exited with 0 +++ [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5856] +++ exited with 0 +++ [pid 5842] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] close(20 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5858] close(21 [pid 5842] <... openat resumed>) = 3 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(3, "", [pid 5858] close(22 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] getdents64(3, [pid 5858] close(23) = -1 EBADF (Bad file descriptor) [pid 5858] close(24 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5858] close(25 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5858] close(26) = -1 EBADF (Bad file descriptor) [pid 5858] close(27) = -1 EBADF (Bad file descriptor) [pid 5858] close(28) = -1 EBADF (Bad file descriptor) [pid 5858] close(29 [pid 5842] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./0/binderfs" [pid 5858] exit_group(0 [pid 5842] <... unlink resumed>) = 0 [pid 5866] <... futex resumed>) = ? [pid 5860] <... futex resumed>) = ? [pid 5858] <... exit_group resumed>) = ? [pid 5842] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5866] +++ exited with 0 +++ [pid 5860] +++ exited with 0 +++ [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./0/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./0/cgroup.net") = 0 [pid 5842] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./0/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./0/cgroup.cpu") = 0 [pid 5842] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./0/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./0/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./0") = 0 [pid 5842] mkdir("./1", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5870 attached [pid 5870] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 5 [pid 5855] +++ exited with 0 +++ [pid 5870] <... set_robust_list resumed>) = 0 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5870] chdir("./1" [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5870] <... chdir resumed>) = 0 [pid 5870] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5870] setpgid(0, 0) = 0 [pid 5870] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5870] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5870] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5841] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5841] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5870] <... openat resumed>) = 3 [pid 5841] newfstatat(AT_FDCWD, "./0/binderfs", [pid 5870] write(3, "1000", 4 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] <... write resumed>) = 4 [pid 5841] unlink("./0/binderfs" [pid 5870] close(3 [pid 5841] <... unlink resumed>) = 0 [pid 5870] <... close resumed>) = 0 [pid 5841] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 5870] <... symlink resumed>) = 0 [pid 5870] write(1, "executing program\n", 18 [pid 5841] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5870] <... write resumed>) = 18 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] unlink("./0/cgroup.net" [pid 5870] <... futex resumed>) = 0 [pid 5870] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5841] <... unlink resumed>) = 0 [pid 5870] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5841] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5870] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5870] <... mmap resumed>) = 0x7fb5e5108000 [pid 5870] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] <... mprotect resumed>) = 0 [pid 5841] unlink("./0/cgroup.cpu" [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5841] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5871 attached ) = -1 EINVAL (Invalid argument) [pid 5871] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5870] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5841] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5871] <... rseq resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5871] set_robust_list(0x7fb5e51289a0, 24 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] unlink("./0/cgroup" [pid 5871] <... set_robust_list resumed>) = 0 [pid 5870] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] <... futex resumed>) = 0 [pid 5871] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5871] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5870] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5858] +++ exited with 0 +++ [pid 5841] <... unlink resumed>) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5840] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5854] +++ exited with 0 +++ [pid 5841] getdents64(3, [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=2, si_uid=0, si_status=0, si_utime=0, si_stime=43 /* 0.43 s */} --- [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3 [pid 5840] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] umount2("./0", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... close resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] rmdir("./0" [pid 5843] openat(AT_FDCWD, "./0", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] <... rmdir resumed>) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5843] <... openat resumed>) = 3 [pid 5843] newfstatat(3, "", [pid 5841] mkdir("./1", 0777 [pid 5840] newfstatat(3, "", [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] getdents64(3, [pid 5843] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 5872 attached [pid 5872] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./0/binderfs") = 0 [pid 5840] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] umount2("./0/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./0/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./0/binderfs" [pid 5843] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5840] <... unlink resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] <... set_robust_list resumed>) = 0 [pid 5843] unlink("./0/cgroup.net" [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 5 [pid 5840] umount2("./0/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] chdir("./1" [pid 5843] <... unlink resumed>) = 0 [pid 5872] <... chdir resumed>) = 0 [pid 5843] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... prctl resumed>) = 0 [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5840] newfstatat(AT_FDCWD, "./0/cgroup.net", [pid 5872] setpgid(0, 0 [pid 5870] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5872] <... setpgid resumed>) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5872] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5843] unlink("./0/cgroup.cpu" [pid 5840] unlink("./0/cgroup.net" [pid 5872] <... symlink resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5872] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5843] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5872] <... symlink resumed>) = 0 [pid 5840] umount2("./0/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5843] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5840] newfstatat(AT_FDCWD, "./0/cgroup.cpu", [pid 5872] <... symlink resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] unlink("./0/cgroup" [pid 5840] unlink("./0/cgroup.cpu" [pid 5872] <... openat resumed>) = 3 [pid 5843] <... unlink resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5872] write(3, "1000", 4 [pid 5843] getdents64(3, [pid 5840] umount2("./0/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5872] <... write resumed>) = 4 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] close(3) = 0 [pid 5843] close(3 [pid 5840] newfstatat(AT_FDCWD, "./0/cgroup", [pid 5872] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] <... close resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] write(1, "executing program\n", 18 [pid 5843] rmdir("./0"executing program [pid 5840] unlink("./0/cgroup" [pid 5843] <... rmdir resumed>) = 0 [pid 5872] <... write resumed>) = 18 [pid 5843] mkdir("./1", 0777 [pid 5840] <... unlink resumed>) = 0 [pid 5872] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5840] getdents64(3, [pid 5872] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5872] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] close(3 [pid 5872] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5840] <... close resumed>) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] rmdir("./0") = 0 [pid 5872] <... mmap resumed>) = 0x7fb5e5108000 [pid 5872] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5840] mkdir("./1", 0777 [pid 5872] <... mprotect resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5874 attached ./strace-static-x86_64: Process 5873 attached [], 8) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 5 [pid 5874] set_robust_list(0x55558030a6a0, 24 [pid 5873] set_robust_list(0x55558030a6a0, 24 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 5 [pid 5874] <... set_robust_list resumed>) = 0 [pid 5873] <... set_robust_list resumed>) = 0 ./strace-static-x86_64: Process 5875 attached [pid 5874] chdir("./1" [pid 5873] chdir("./1" [pid 5875] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5874] <... chdir resumed>) = 0 [pid 5873] <... chdir resumed>) = 0 [pid 5875] <... rseq resumed>) = 0 [pid 5874] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5872] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5875] set_robust_list(0x7fb5e51289a0, 24 [pid 5874] <... prctl resumed>) = 0 [pid 5873] <... prctl resumed>) = 0 [pid 5875] <... set_robust_list resumed>) = 0 [pid 5875] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] setpgid(0, 0 [pid 5873] setpgid(0, 0 [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5875] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... setpgid resumed>) = 0 [pid 5873] <... setpgid resumed>) = 0 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5875] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5872] <... futex resumed>) = 0 [pid 5875] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5874] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5872] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5874] <... symlink resumed>) = 0 [pid 5873] <... symlink resumed>) = 0 [pid 5874] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5873] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5873] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5874] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5873] <... symlink resumed>) = 0 [pid 5874] <... symlink resumed>) = 0 [pid 5873] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5874] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5873] <... openat resumed>) = 3 [pid 5874] <... openat resumed>) = 3 [pid 5873] write(3, "1000", 4 [pid 5874] write(3, "1000", 4 [pid 5873] <... write resumed>) = 4 [pid 5874] <... write resumed>) = 4 [pid 5873] close(3 [pid 5874] close(3) = 0 [pid 5873] <... close resumed>) = 0 [pid 5874] symlink("/dev/binderfs", "./binderfs" [pid 5873] symlink("/dev/binderfs", "./binderfs" [pid 5874] <... symlink resumed>) = 0 executing program executing program [pid 5874] write(1, "executing program\n", 18 [pid 5873] <... symlink resumed>) = 0 [pid 5874] <... write resumed>) = 18 [pid 5873] write(1, "executing program\n", 18 [pid 5874] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... write resumed>) = 18 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5873] <... futex resumed>) = 0 [pid 5874] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5873] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5874] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5873] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... mmap resumed>) = 0x7fb5e5108000 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5874] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5873] <... mmap resumed>) = 0x7fb5e5108000 [pid 5874] <... mprotect resumed>) = 0 [pid 5873] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5873] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5876 attached ./strace-static-x86_64: Process 5877 attached [pid 5876] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5873] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5877] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5876] <... rseq resumed>) = 0 [pid 5874] <... clone3 resumed> => {parent_tid=[6]}, 88) = 6 [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5877] <... rseq resumed>) = 0 [pid 5876] set_robust_list(0x7fb5e51289a0, 24 [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5877] set_robust_list(0x7fb5e51289a0, 24 [pid 5876] <... set_robust_list resumed>) = 0 [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5873] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... set_robust_list resumed>) = 0 [pid 5876] rt_sigprocmask(SIG_SETMASK, [], [pid 5874] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... futex resumed>) = 0 [pid 5877] rt_sigprocmask(SIG_SETMASK, [], [pid 5876] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5873] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5876] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5874] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5877] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5872] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5873] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5873] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5871] <... mmap resumed>) = 0x200000000000 [pid 5871] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5871] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5870] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5874] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... mprotect resumed>) = 0 [pid 5874] <... futex resumed>) = 0 [pid 5874] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5870] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5879 attached [pid 5879] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5870] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5879] <... rseq resumed>) = 0 [pid 5870] rt_sigprocmask(SIG_SETMASK, [], [pid 5879] set_robust_list(0x7fb5e51079a0, 24 [pid 5870] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5879] <... set_robust_list resumed>) = 0 [pid 5879] rt_sigprocmask(SIG_SETMASK, [], [pid 5870] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... futex resumed>) = 0 [pid 5879] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5870] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... socketpair resumed>0x200000000200) = 0 [pid 5879] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5879] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 1 [pid 5871] sendmmsg(4, [pid 5870] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] close(3 [pid 5868] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5868] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = 0 [pid 5868] <... futex resumed>) = 0 [pid 5867] close(4 [pid 5870] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5868] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... close resumed>) = 0 [pid 5870] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5879] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = 1 [pid 5879] recvmmsg(3, [pid 5870] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5879] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5867] close(5 [pid 5879] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5867] close(6 [pid 5879] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5870] <... futex resumed>) = 0 [pid 5867] close(7 [pid 5879] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5870] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] <... mremap resumed>) = 0x200000a00000 [pid 5867] close(8) = -1 EBADF (Bad file descriptor) [pid 5867] close(9) = -1 EBADF (Bad file descriptor) [pid 5867] close(10) = -1 EBADF (Bad file descriptor) [pid 5879] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(11 [pid 5879] <... futex resumed>) = 1 [pid 5870] <... futex resumed>) = 0 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5870] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5867] close(12 [pid 5879] <... mremap resumed>) = 0x200000a00000 [pid 5870] <... futex resumed>) = 0 [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(13) = -1 EBADF (Bad file descriptor) [pid 5867] close(14 [pid 5879] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5879] <... futex resumed>) = 0 [pid 5870] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5867] close(15 [pid 5879] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5867] close(16) = -1 EBADF (Bad file descriptor) [pid 5867] close(17) = -1 EBADF (Bad file descriptor) [pid 5867] close(18) = -1 EBADF (Bad file descriptor) [pid 5867] close(19) = -1 EBADF (Bad file descriptor) [pid 5867] close(20) = -1 EBADF (Bad file descriptor) [pid 5867] close(21) = -1 EBADF (Bad file descriptor) [pid 5867] close(22) = -1 EBADF (Bad file descriptor) [pid 5867] close(23) = -1 EBADF (Bad file descriptor) [pid 5867] close(24) = -1 EBADF (Bad file descriptor) [pid 5867] close(25) = -1 EBADF (Bad file descriptor) [pid 5867] close(26) = -1 EBADF (Bad file descriptor) [pid 5867] close(27) = -1 EBADF (Bad file descriptor) [pid 5867] close(28) = -1 EBADF (Bad file descriptor) [pid 5867] close(29) = -1 EBADF (Bad file descriptor) [pid 5867] exit_group(0 [pid 5869] <... futex resumed>) = ? [pid 5868] <... futex resumed>) = ? [pid 5867] <... exit_group resumed>) = ? [pid 5869] +++ exited with 0 +++ [pid 5868] +++ exited with 0 +++ [pid 5867] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5870] close(3 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5844] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./1/binderfs") = 0 [pid 5844] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./1/cgroup.net") = 0 [pid 5844] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5875] <... mmap resumed>) = 0x200000000000 [pid 5872] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5875] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5871] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5870] <... close resumed>) = 0 [pid 5844] unlink("./1/cgroup.cpu" [pid 5875] <... futex resumed>) = 0 [pid 5875] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5872] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5872] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5882 attached [pid 5882] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5882] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5882] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5882] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5882] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5872] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5844] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5872] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5872] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] unlink("./1/cgroup" [pid 5872] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... unlink resumed>) = 0 [pid 5882] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5844] getdents64(3, [pid 5882] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5872] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5871] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] close(4 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5882] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5872] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5871] <... futex resumed>) = 0 [pid 5870] <... close resumed>) = 0 [pid 5844] close(3 [pid 5882] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5871] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5870] close(5 [pid 5844] <... close resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] rmdir("./1" [pid 5872] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] close(6 [pid 5844] <... rmdir resumed>) = 0 [pid 5875] <... futex resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5875] sendmmsg(4, [pid 5872] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] close(7 [pid 5844] mkdir("./2", 0777 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... mkdir resumed>) = 0 [pid 5870] close(8 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5883 attached [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] set_robust_list(0x55558030a6a0, 24 [pid 5870] close(9 [pid 5883] <... set_robust_list resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] chdir("./2" [pid 5876] <... mmap resumed>) = 0x200000000000 [pid 5873] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5870] close(10 [pid 5883] <... chdir resumed>) = 0 [pid 5876] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5873] <... mprotect resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5876] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... prctl resumed>) = 0 [pid 5873] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] setpgid(0, 0 [pid 5873] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5883] <... setpgid resumed>) = 0 [pid 5870] close(11./strace-static-x86_64: Process 5884 attached [pid 5884] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5873] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5884] <... rseq resumed>) = 0 [pid 5883] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5873] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] set_robust_list(0x7fb5e51079a0, 24 [pid 5873] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] <... set_robust_list resumed>) = 0 [pid 5873] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] <... futex resumed>) = 0 [pid 5884] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5873] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] close(12) = -1 EBADF (Bad file descriptor) [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 8 [pid 5884] <... socketpair resumed>0x200000000200) = 0 [pid 5883] <... symlink resumed>) = 0 [pid 5870] close(13 [pid 5884] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5884] <... futex resumed>) = 1 [pid 5883] <... symlink resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5870] close(14 [pid 5884] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5873] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... symlink resumed>) = 0 [pid 5876] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 1 [pid 5870] close(15 [pid 5883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5876] sendmmsg(4, [pid 5873] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] <... openat resumed>) = 3 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] write(3, "1000", 4 [pid 5870] close(16 [pid 5883] <... write resumed>) = 4 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(3) = 0 [pid 5870] close(17 [pid 5883] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] write(1, "executing program\n", 18) = 18 [pid 5870] close(18 [pid 5883] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5883] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5870] close(19 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... mmap resumed>) = 0x7fb5e5108000 [pid 5883] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5870] close(20 [pid 5883] <... mprotect resumed>) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5870] close(21 [pid 5883] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5883] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5883] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5885 attached [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5870] close(22 [pid 5885] <... rseq resumed>) = 0 [pid 5872] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] set_robust_list(0x7fb5e51289a0, 24 [pid 5872] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] close(23 [pid 5885] <... set_robust_list resumed>) = 0 [pid 5872] <... futex resumed>) = 1 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] rt_sigprocmask(SIG_SETMASK, [], [pid 5872] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] close(24 [pid 5885] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5885] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5882] <... futex resumed>) = 0 [pid 5870] close(25 [pid 5882] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5882] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5882] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5872] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5882] <... mremap resumed>) = 0x200000a00000 [pid 5870] close(26 [pid 5882] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... futex resumed>) = 1 [pid 5872] <... futex resumed>) = 0 [pid 5870] close(27 [pid 5882] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5872] <... futex resumed>) = 0 [pid 5870] close(28 [pid 5882] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5877] <... mmap resumed>) = 0x200000000000 [pid 5874] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5872] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... mremap resumed>) = 0x200000a00000 [pid 5877] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5874] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5870] close(29 [pid 5882] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5877] <... futex resumed>) = 0 [pid 5874] <... mprotect resumed>) = 0 [pid 5870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5882] <... futex resumed>) = 1 [pid 5877] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5872] <... futex resumed>) = 0 [pid 5870] exit_group(0 [pid 5882] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5879] <... futex resumed>) = ? [pid 5874] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5871] <... futex resumed>) = ? [pid 5870] <... exit_group resumed>) = ? [pid 5879] +++ exited with 0 +++ [pid 5874] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5873] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5871] +++ exited with 0 +++ ./strace-static-x86_64: Process 5886 attached [pid 5873] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5884] <... futex resumed>) = 0 [pid 5874] <... clone3 resumed> => {parent_tid=[7]}, 88) = 7 [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5873] <... futex resumed>) = 1 [pid 5886] <... rseq resumed>) = 0 [pid 5884] recvmmsg(3, [pid 5874] rt_sigprocmask(SIG_SETMASK, [], [pid 5873] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5883] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] set_robust_list(0x7fb5e51079a0, 24 [pid 5884] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5874] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5886] <... set_robust_list resumed>) = 0 [pid 5884] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] <... futex resumed>) = 0 [pid 5874] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] rt_sigprocmask(SIG_SETMASK, [], [pid 5884] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5886] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5884] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5873] <... futex resumed>) = 0 [pid 5884] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5873] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... socketpair resumed>0x200000000200) = 0 [pid 5884] <... mremap resumed>) = 0x200000a00000 [pid 5886] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = 1 [pid 5884] <... futex resumed>) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5873] <... futex resumed>) = 0 [pid 5886] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5884] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5884] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5877] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 1 [pid 5873] <... futex resumed>) = 0 [pid 5884] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5877] sendmmsg(4, [pid 5874] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5884] <... mremap resumed>) = 0x200000a00000 [pid 5884] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5873] <... futex resumed>) = 0 [pid 5884] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5874] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = 0 [pid 5874] <... futex resumed>) = 1 [pid 5886] recvmmsg(3, [pid 5874] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5886] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5886] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5886] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [ 92.007179][ T1212] cfg80211: failed to load regulatory.db [pid 5874] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... mremap resumed>) = 0x200000a00000 [pid 5886] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5886] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5874] <... futex resumed>) = 0 [pid 5886] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5874] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5886] <... mremap resumed>) = 0x200000a00000 [pid 5886] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5874] <... futex resumed>) = 0 [pid 5870] +++ exited with 0 +++ [pid 5886] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5842] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./1/binderfs") = 0 [pid 5842] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./1/cgroup.net") = 0 [pid 5842] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./1/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./1/cgroup.cpu") = 0 [pid 5842] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./1/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./1/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./1") = 0 [pid 5842] mkdir("./2", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5885] <... mmap resumed>) = 0x200000000000 [pid 5885] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5885] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 8 ./strace-static-x86_64: Process 5888 attached [pid 5883] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5883] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5888] set_robust_list(0x55558030a6a0, 24 [pid 5883] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5888] <... set_robust_list resumed>) = 0 [pid 5883] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 ./strace-static-x86_64: Process 5889 attached [pid 5888] chdir("./2" [pid 5889] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5883] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] <... rseq resumed>) = 0 [pid 5888] <... chdir resumed>) = 0 [pid 5883] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] set_robust_list(0x7fb5e51079a0, 24 [pid 5888] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5883] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... set_robust_list resumed>) = 0 [pid 5888] <... prctl resumed>) = 0 [pid 5889] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... futex resumed>) = 0 [pid 5889] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5888] setpgid(0, 0) = 0 [pid 5889] <... socketpair resumed>0x200000000200) = 0 [pid 5888] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5889] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] <... symlink resumed>) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5883] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5883] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5888] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5888] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5889] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5885] <... futex resumed>) = 0 [pid 5888] <... symlink resumed>) = 0 [pid 5885] sendmmsg(4, [pid 5888] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5888] write(3, "1000", 4) = 4 [pid 5888] close(3) = 0 [pid 5888] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5888] write(1, "executing program\n", 18executing program ) = 18 [pid 5888] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5888] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5888] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5890 attached [pid 5883] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5890] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5888] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5883] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... rseq resumed>) = 0 [pid 5889] <... futex resumed>) = 0 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5883] <... futex resumed>) = 1 [pid 5890] set_robust_list(0x7fb5e51289a0, 24 [pid 5889] recvmmsg(3, [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5883] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] <... set_robust_list resumed>) = 0 [pid 5889] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5890] rt_sigprocmask(SIG_SETMASK, [], [pid 5889] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5890] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5889] <... futex resumed>) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5890] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5889] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5889] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5883] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... mremap resumed>) = 0x200000a00000 [pid 5889] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5889] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5889] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5883] <... futex resumed>) = 0 [pid 5889] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5883] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5889] <... mremap resumed>) = 0x200000a00000 [pid 5889] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5883] <... futex resumed>) = 0 [pid 5889] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5888] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5888] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5890] <... mmap resumed>) = 0x200000000000 [pid 5888] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5890] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5890] <... futex resumed>) = 0 [pid 5890] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5888] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5891 attached [pid 5891] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5888] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5891] set_robust_list(0x7fb5e51079a0, 24 [pid 5888] rt_sigprocmask(SIG_SETMASK, [], [pid 5891] <... set_robust_list resumed>) = 0 [pid 5888] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5891] rt_sigprocmask(SIG_SETMASK, [], [pid 5888] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5891] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] <... futex resumed>) = 0 [pid 5891] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5888] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5891] <... socketpair resumed>0x200000000200) = 0 [pid 5891] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5891] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5890] <... futex resumed>) = 0 [pid 5888] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5890] sendmmsg(4, [pid 5872] close(3 [pid 5875] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5875] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5875] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5872] <... close resumed>) = 0 [pid 5872] close(4 [pid 5888] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5872] <... close resumed>) = 0 [pid 5888] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] close(5 [pid 5873] close(3 [pid 5891] <... futex resumed>) = 0 [pid 5888] <... futex resumed>) = 1 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] recvmmsg(3, [pid 5888] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] close(6) = -1 EBADF (Bad file descriptor) [pid 5891] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5872] close(7 [pid 5891] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] close(8 [pid 5891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5888] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5872] close(9 [pid 5876] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(10 [pid 5891] <... mremap resumed>) = 0x200000a00000 [pid 5876] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... close resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5876] <... futex resumed>) = 0 [pid 5891] <... futex resumed>) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5876] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] close(4 [pid 5872] close(11 [pid 5891] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(12) = -1 EBADF (Bad file descriptor) [pid 5891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5888] <... futex resumed>) = 0 [pid 5872] close(13 [pid 5891] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5888] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5873] <... close resumed>) = 0 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(5 [pid 5872] close(14 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] <... mremap resumed>) = 0x200000a00000 [pid 5873] close(6 [pid 5872] close(15 [pid 5891] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5888] <... futex resumed>) = 0 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5891] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5873] close(7 [pid 5872] close(16 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(8 [pid 5872] close(17 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(3 [pid 5873] close(9 [pid 5872] close(18 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(10 [pid 5872] close(19 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(11 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(20 [pid 5873] close(12 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] close(21 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(13 [pid 5872] close(22 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5873] close(14 [pid 5872] close(23 [pid 5877] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5877] <... futex resumed>) = 0 [pid 5874] <... close resumed>) = 0 [pid 5873] close(15 [pid 5872] close(24 [pid 5877] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5874] close(4 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = 0 [pid 5874] close(5 [pid 5873] close(16 [pid 5872] close(25 [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(6 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(17 [pid 5872] close(26 [pid 5874] close(7) = -1 EBADF (Bad file descriptor) [pid 5874] close(8 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(18 [pid 5872] close(27 [pid 5874] close(9) = -1 EBADF (Bad file descriptor) [pid 5874] close(10 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(19 [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(11 [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5874] close(12) = -1 EBADF (Bad file descriptor) [pid 5874] close(13) = -1 EBADF (Bad file descriptor) [pid 5874] close(14) = -1 EBADF (Bad file descriptor) [pid 5874] close(15) = -1 EBADF (Bad file descriptor) [pid 5874] close(16) = -1 EBADF (Bad file descriptor) [pid 5874] close(17) = -1 EBADF (Bad file descriptor) [pid 5874] close(18) = -1 EBADF (Bad file descriptor) [pid 5874] close(19) = -1 EBADF (Bad file descriptor) [pid 5874] close(20) = -1 EBADF (Bad file descriptor) [pid 5874] close(21) = -1 EBADF (Bad file descriptor) [pid 5874] close(22) = -1 EBADF (Bad file descriptor) [pid 5874] close(23) = -1 EBADF (Bad file descriptor) [pid 5874] close(24) = -1 EBADF (Bad file descriptor) [pid 5874] close(25) = -1 EBADF (Bad file descriptor) [pid 5874] close(26) = -1 EBADF (Bad file descriptor) [pid 5874] close(27) = -1 EBADF (Bad file descriptor) [pid 5874] close(28) = -1 EBADF (Bad file descriptor) [pid 5874] close(29) = -1 EBADF (Bad file descriptor) [pid 5874] exit_group(0 [pid 5877] <... futex resumed>) = ? [pid 5886] <... futex resumed>) = ? [pid 5874] <... exit_group resumed>) = ? [pid 5873] close(20 [pid 5872] close(28 [pid 5877] +++ exited with 0 +++ [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(21 [pid 5872] close(29) = -1 EBADF (Bad file descriptor) [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5872] exit_group(0 [pid 5886] +++ exited with 0 +++ [pid 5873] close(22 [pid 5872] <... exit_group resumed>) = ? [pid 5873] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5873] close(23) = -1 EBADF (Bad file descriptor) [pid 5873] close(24) = -1 EBADF (Bad file descriptor) [pid 5882] <... futex resumed>) = ? [pid 5875] <... futex resumed>) = ? [pid 5882] +++ exited with 0 +++ [pid 5873] close(25) = -1 EBADF (Bad file descriptor) [pid 5873] close(26) = -1 EBADF (Bad file descriptor) [pid 5873] close(27) = -1 EBADF (Bad file descriptor) [pid 5873] close(28) = -1 EBADF (Bad file descriptor) [pid 5873] close(29) = -1 EBADF (Bad file descriptor) [pid 5873] exit_group(0) = ? [pid 5884] <... futex resumed>) = ? [pid 5876] <... futex resumed>) = ? [pid 5884] +++ exited with 0 +++ [pid 5883] close(3 [pid 5885] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5883] <... close resumed>) = 0 [pid 5885] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5883] close(4 [pid 5885] <... futex resumed>) = 0 [pid 5883] <... close resumed>) = 0 [pid 5885] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5883] close(5) = -1 EBADF (Bad file descriptor) [pid 5883] close(6) = -1 EBADF (Bad file descriptor) [pid 5883] close(7) = -1 EBADF (Bad file descriptor) [pid 5883] close(8) = -1 EBADF (Bad file descriptor) [pid 5883] close(9) = -1 EBADF (Bad file descriptor) [pid 5883] close(10) = -1 EBADF (Bad file descriptor) [pid 5883] close(11) = -1 EBADF (Bad file descriptor) [pid 5883] close(12) = -1 EBADF (Bad file descriptor) [pid 5883] close(13) = -1 EBADF (Bad file descriptor) [pid 5883] close(14) = -1 EBADF (Bad file descriptor) [pid 5883] close(15) = -1 EBADF (Bad file descriptor) [pid 5883] close(16) = -1 EBADF (Bad file descriptor) [pid 5883] close(17) = -1 EBADF (Bad file descriptor) [pid 5883] close(18 [pid 5874] +++ exited with 0 +++ [pid 5883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5883] close(19) = -1 EBADF (Bad file descriptor) [pid 5883] close(20) = -1 EBADF (Bad file descriptor) [pid 5883] close(21) = -1 EBADF (Bad file descriptor) [pid 5883] close(22) = -1 EBADF (Bad file descriptor) [pid 5883] close(23) = -1 EBADF (Bad file descriptor) [pid 5883] close(24) = -1 EBADF (Bad file descriptor) [pid 5883] close(25) = -1 EBADF (Bad file descriptor) [pid 5883] close(26) = -1 EBADF (Bad file descriptor) [pid 5883] close(27) = -1 EBADF (Bad file descriptor) [pid 5883] close(28) = -1 EBADF (Bad file descriptor) [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 5883] close(29) = -1 EBADF (Bad file descriptor) [pid 5883] exit_group(0 [pid 5889] <... futex resumed>) = ? [pid 5885] <... futex resumed>) = ? [pid 5883] <... exit_group resumed>) = ? [pid 5889] +++ exited with 0 +++ [pid 5840] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5885] +++ exited with 0 +++ [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./1/binderfs") = 0 [pid 5840] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./1/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./1/cgroup.net") = 0 [pid 5875] +++ exited with 0 +++ [pid 5872] +++ exited with 0 +++ [pid 5840] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=38 /* 0.38 s */} --- [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5876] +++ exited with 0 +++ [pid 5873] +++ exited with 0 +++ [pid 5841] <... restart_syscall resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=5, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./1/cgroup.cpu" [pid 5841] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... openat resumed>) = 3 [pid 5840] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5841] newfstatat(3, "", [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, [pid 5840] unlink("./1/cgroup" [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... unlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] getdents64(3, [pid 5841] unlink("./1/binderfs" [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5840] close(3 [pid 5841] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... close resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5840] rmdir("./1" [pid 5843] umount2("./1", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./1", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] unlink("./1/cgroup.net" [pid 5840] <... rmdir resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5841] <... unlink resumed>) = 0 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] mkdir("./2", 0777 [pid 5843] getdents64(3, [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... mkdir resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] umount2("./1/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] newfstatat(AT_FDCWD, "./1/binderfs", ./strace-static-x86_64: Process 5892 attached [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5892] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5892] chdir("./2" [pid 5843] unlink("./1/binderfs" [pid 5841] unlink("./1/cgroup.cpu" [pid 5892] <... chdir resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5892] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] umount2("./1/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5892] <... prctl resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5892] setpgid(0, 0 [pid 5843] newfstatat(AT_FDCWD, "./1/cgroup.net", [pid 5841] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5892] <... setpgid resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5892] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5843] unlink("./1/cgroup.net" [pid 5841] unlink("./1/cgroup" [pid 5892] <... symlink resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 8 [pid 5892] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5841] getdents64(3, [pid 5892] <... symlink resumed>) = 0 [pid 5843] umount2("./1/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5892] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] close(3 [pid 5843] newfstatat(AT_FDCWD, "./1/cgroup.cpu", [pid 5841] <... close resumed>) = 0 [pid 5892] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5892] <... openat resumed>) = 3 [pid 5841] rmdir("./1" [pid 5892] write(3, "1000", 4 [pid 5843] unlink("./1/cgroup.cpu" [pid 5841] <... rmdir resumed>) = 0 [pid 5892] <... write resumed>) = 4 [pid 5843] <... unlink resumed>) = 0 [pid 5892] close(3 [pid 5841] mkdir("./2", 0777 [pid 5892] <... close resumed>) = 0 [pid 5843] umount2("./1/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5892] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... mkdir resumed>) = 0 [pid 5892] write(1, "executing program\n", 18) = 18 [pid 5843] newfstatat(AT_FDCWD, "./1/cgroup", [pid 5892] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5892] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5843] unlink("./1/cgroup" [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5892] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5843] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 5893 attached [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5893] set_robust_list(0x55558030a6a0, 24 [pid 5892] <... mmap resumed>) = 0x7fb5e5108000 [pid 5893] <... set_robust_list resumed>) = 0 [pid 5892] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5893] chdir("./2" [pid 5892] <... mprotect resumed>) = 0 [pid 5843] getdents64(3, [pid 5893] <... chdir resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5893] <... prctl resumed>) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5894 attached [pid 5893] setpgid(0, 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5894] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5893] <... setpgid resumed>) = 0 [pid 5892] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5843] close(3 [pid 5894] <... rseq resumed>) = 0 [pid 5893] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... close resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 8 [pid 5894] set_robust_list(0x7fb5e51289a0, 24 [pid 5893] <... symlink resumed>) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] rmdir("./1" [pid 5894] <... set_robust_list resumed>) = 0 [pid 5893] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5892] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... rmdir resumed>) = 0 [pid 5894] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... symlink resumed>) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5894] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5893] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5894] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5892] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] mkdir("./2", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5895 attached [pid 5893] <... symlink resumed>) = 0 [pid 5895] set_robust_list(0x55558030a6a0, 24 [pid 5893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 8 [pid 5895] <... set_robust_list resumed>) = 0 [pid 5893] <... openat resumed>) = 3 [pid 5893] write(3, "1000", 4 [pid 5895] chdir("./2" [pid 5893] <... write resumed>) = 4 [pid 5895] <... chdir resumed>) = 0 [pid 5893] close(3) = 0 [pid 5893] symlink("/dev/binderfs", "./binderfs" [pid 5895] prctl(PR_SET_PDEATHSIG, SIGKILLexecuting program ) = 0 [pid 5893] <... symlink resumed>) = 0 [pid 5895] setpgid(0, 0) = 0 [pid 5893] write(1, "executing program\n", 18) = 18 [pid 5893] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5893] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5895] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5883] +++ exited with 0 +++ [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5895] <... symlink resumed>) = 0 [pid 5893] <... mmap resumed>) = 0x7fb5e5108000 [pid 5895] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5893] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5895] <... symlink resumed>) = 0 [pid 5893] <... mprotect resumed>) = 0 [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 5895] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5892] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] <... symlink resumed>) = 0 [pid 5893] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5892] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5896 attached [pid 5895] <... openat resumed>) = 3 [pid 5896] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5893] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5896] <... rseq resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5895] write(3, "1000", 4 [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... write resumed>) = 4 [pid 5893] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] close(3 [pid 5893] <... futex resumed>) = 0 [pid 5844] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5896] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5895] <... close resumed>) = 0 [pid 5893] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] symlink("/dev/binderfs", "./binderfs" [pid 5844] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5895] <... symlink resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, executing program [pid 5895] write(1, "executing program\n", 18 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... write resumed>) = 18 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] newfstatat(AT_FDCWD, "./2/binderfs", [pid 5895] <... futex resumed>) = 0 [pid 5895] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5895] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5844] unlink("./2/binderfs" [pid 5895] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] <... mmap resumed>) = 0x7fb5e5108000 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./2/cgroup.net") = 0 [pid 5844] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5895] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5895] <... mprotect resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./2/cgroup.cpu" [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5844] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5897 attached [pid 5844] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5897] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5897] <... rseq resumed>) = 0 [pid 5844] unlink("./2/cgroup" [pid 5897] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5897] rt_sigprocmask(SIG_SETMASK, [], [pid 5895] <... clone3 resumed> => {parent_tid=[9]}, 88) = 9 [pid 5844] getdents64(3, [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5897] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5897] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] close(3 [pid 5897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] <... futex resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5897] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5895] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] rmdir("./2") = 0 [pid 5844] mkdir("./3", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5888] close(3 [pid 5890] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 ./strace-static-x86_64: Process 5898 attached [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5888] <... close resumed>) = 0 [pid 5898] set_robust_list(0x55558030a6a0, 24 [pid 5893] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... set_robust_list resumed>) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 11 [pid 5898] chdir("./3" [pid 5893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... chdir resumed>) = 0 [pid 5890] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] close(4 [pid 5898] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5890] <... futex resumed>) = 0 [pid 5888] <... close resumed>) = 0 [pid 5898] <... prctl resumed>) = 0 [pid 5890] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5888] close(5 [pid 5898] setpgid(0, 0 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... setpgid resumed>) = 0 [pid 5888] close(6executing program [pid 5898] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... symlink resumed>) = 0 [pid 5898] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5898] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5888] close(7 [pid 5898] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... openat resumed>) = 3 [pid 5888] close(8) = -1 EBADF (Bad file descriptor) [pid 5888] close(9 [pid 5898] write(3, "1000", 4 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5888] close(10) = -1 EBADF (Bad file descriptor) [pid 5888] close(11) = -1 EBADF (Bad file descriptor) [pid 5888] close(12) = -1 EBADF (Bad file descriptor) [pid 5888] close(13) = -1 EBADF (Bad file descriptor) [pid 5888] close(14) = -1 EBADF (Bad file descriptor) [pid 5888] close(15 [pid 5898] <... write resumed>) = 4 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(3 [pid 5888] close(16 [pid 5898] <... close resumed>) = 0 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] symlink("/dev/binderfs", "./binderfs" [pid 5888] close(17 [pid 5898] <... symlink resumed>) = 0 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] write(1, "executing program\n", 18 [pid 5888] close(18 [pid 5898] <... write resumed>) = 18 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5888] close(19) = -1 EBADF (Bad file descriptor) [pid 5888] close(20) = -1 EBADF (Bad file descriptor) [pid 5898] <... futex resumed>) = 0 [pid 5888] close(21 [pid 5898] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5888] close(22 [pid 5898] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5888] close(23 [pid 5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... mmap resumed>) = 0x7fb5e5108000 [pid 5888] close(24 [pid 5898] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... mprotect resumed>) = 0 [pid 5888] close(25 [pid 5898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5888] close(26 [pid 5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5888] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5899 attached [pid 5888] close(27) = -1 EBADF (Bad file descriptor) [pid 5888] close(28) = -1 EBADF (Bad file descriptor) [pid 5888] close(29) = -1 EBADF (Bad file descriptor) [pid 5888] exit_group(0 [pid 5891] <... futex resumed>) = ? [pid 5890] <... futex resumed>) = ? [pid 5888] <... exit_group resumed>) = ? [pid 5899] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5891] +++ exited with 0 +++ [pid 5890] +++ exited with 0 +++ [pid 5899] <... rseq resumed>) = 0 [pid 5899] set_robust_list(0x7fb5e51289a0, 24 [pid 5898] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5899] <... set_robust_list resumed>) = 0 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5899] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5899] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5898] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5899] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5898] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5898] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5898] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5898] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5888] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5842] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./2/binderfs") = 0 [pid 5842] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./2/cgroup.net") = 0 [pid 5842] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./2/cgroup.cpu") = 0 [pid 5842] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./2/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./2/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./2") = 0 [pid 5842] mkdir("./3", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5900 attached [pid 5900] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 11 [pid 5900] <... set_robust_list resumed>) = 0 [pid 5900] chdir("./3") = 0 [pid 5900] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5900] setpgid(0, 0) = 0 [pid 5900] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5900] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5900] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5900] write(3, "1000", 4) = 4 [pid 5900] close(3) = 0 [pid 5900] symlink("/dev/binderfs", "./binderfs" [pid 5894] <... mmap resumed>) = 0x200000000000 [pid 5892] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5894] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5892] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5900] <... symlink resumed>) = 0 [pid 5894] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 5900] write(1, "executing program\n", 18) = 18 [pid 5892] <... mprotect resumed>) = 0 [pid 5900] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5892] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5900] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5892] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5900] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5892] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 5901 attached ) = 0x7fb5e5108000 [pid 5900] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5901] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5900] <... mprotect resumed>) = 0 [pid 5892] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5901] <... rseq resumed>) = 0 [pid 5892] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5901] set_robust_list(0x7fb5e51079a0, 24 [pid 5900] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5892] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5901] <... set_robust_list resumed>) = 0 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5892] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5902 attached [pid 5901] rt_sigprocmask(SIG_SETMASK, [], [pid 5896] <... mmap resumed>) = 0x200000000000 [pid 5893] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5902] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5900] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5902] <... rseq resumed>) = 0 [pid 5896] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5902] set_robust_list(0x7fb5e51289a0, 24 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] <... futex resumed>) = 0 [pid 5902] <... set_robust_list resumed>) = 0 [pid 5900] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] <... futex resumed>) = 0 [pid 5902] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5896] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5900] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5892] <... futex resumed>) = 0 [pid 5901] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5892] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... socketpair resumed>0x200000000200) = 0 [pid 5901] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5892] <... futex resumed>) = 0 [pid 5901] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5894] <... futex resumed>) = 0 [pid 5892] <... futex resumed>) = 1 [pid 5892] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5894] sendmmsg(4, [pid 5893] <... mprotect resumed>) = 0 [pid 5893] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5893] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5903 attached [pid 5903] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5893] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5903] <... rseq resumed>) = 0 [pid 5903] set_robust_list(0x7fb5e51079a0, 24 [pid 5893] rt_sigprocmask(SIG_SETMASK, [], [pid 5903] <... set_robust_list resumed>) = 0 [pid 5903] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5893] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... socketpair resumed>0x200000000200) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5903] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] <... futex resumed>) = 0 [pid 5893] <... futex resumed>) = 1 [pid 5896] sendmmsg(4, [pid 5893] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5892] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5892] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = 0 [pid 5892] <... futex resumed>) = 1 [pid 5901] recvmmsg(3, [pid 5892] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5901] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5892] <... futex resumed>) = 0 [pid 5901] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] <... futex resumed>) = 0 [pid 5901] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5892] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... mremap resumed>) = 0x200000a00000 [pid 5900] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5900] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5892] <... futex resumed>) = 0 [pid 5901] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5901] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5892] <... futex resumed>) = 0 [pid 5901] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5892] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5901] <... mremap resumed>) = 0x200000a00000 [pid 5901] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] <... futex resumed>) = 0 [pid 5901] <... futex resumed>) = 1 [pid 5901] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] <... mmap resumed>) = 0x200000000000 [pid 5899] <... mmap resumed>) = 0x200000000000 [pid 5898] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5895] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5899] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5897] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5899] <... futex resumed>) = 0 [pid 5898] <... mprotect resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5895] <... mprotect resumed>) = 0 [pid 5899] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5897] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5895] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5898] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5895] <... rt_sigprocmask resumed>[], 8) = 0 ./strace-static-x86_64: Process 5904 attached [pid 5898] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5895] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5893] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5905 attached [pid 5904] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5898] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5904] <... rseq resumed>) = 0 [pid 5905] <... rseq resumed>) = 0 [pid 5905] set_robust_list(0x7fb5e51079a0, 24 [pid 5904] set_robust_list(0x7fb5e51079a0, 24 [pid 5903] <... futex resumed>) = 0 [pid 5898] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5895] <... clone3 resumed> => {parent_tid=[10]}, 88) = 10 [pid 5893] <... futex resumed>) = 1 [pid 5905] <... set_robust_list resumed>) = 0 [pid 5904] <... set_robust_list resumed>) = 0 [pid 5903] recvmmsg(3, [pid 5898] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5895] rt_sigprocmask(SIG_SETMASK, [], [pid 5893] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] rt_sigprocmask(SIG_SETMASK, [], [pid 5904] rt_sigprocmask(SIG_SETMASK, [], [pid 5903] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5898] <... futex resumed>) = 0 [pid 5895] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5905] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5904] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5903] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5904] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5903] <... futex resumed>) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5893] <... futex resumed>) = 0 [pid 5905] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... socketpair resumed>0x200000000200) = 0 [pid 5903] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5893] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = 0 [pid 5904] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5893] <... futex resumed>) = 0 [pid 5905] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] <... futex resumed>) = 1 [pid 5903] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5898] <... futex resumed>) = 0 [pid 5895] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5903] <... mremap resumed>) = 0x200000a00000 [pid 5893] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5899] <... futex resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5899] sendmmsg(4, [pid 5895] <... futex resumed>) = 1 [pid 5897] <... futex resumed>) = 0 [pid 5897] sendmmsg(4, [pid 5895] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5903] <... futex resumed>) = 0 [pid 5893] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5903] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5893] <... futex resumed>) = 0 [pid 5893] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5903] <... mremap resumed>) = 0x200000a00000 [pid 5903] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5893] <... futex resumed>) = 0 [pid 5903] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5898] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5895] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5898] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = 0 [pid 5898] <... futex resumed>) = 1 [pid 5905] <... futex resumed>) = 0 [pid 5904] recvmmsg(3, [pid 5905] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5904] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5898] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5905] <... futex resumed>) = 1 [pid 5895] <... futex resumed>) = 0 [pid 5905] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] <... futex resumed>) = 0 [pid 5905] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5895] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... mremap resumed>) = 0x200000a00000 [pid 5904] <... futex resumed>) = 0 [pid 5898] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5905] <... futex resumed>) = 1 [pid 5898] <... futex resumed>) = 0 [pid 5895] <... futex resumed>) = 0 [pid 5905] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5895] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5905] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5895] <... futex resumed>) = 0 [pid 5905] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5895] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5905] <... mremap resumed>) = 0x200000a00000 [pid 5905] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5898] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5895] <... futex resumed>) = 0 [pid 5905] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5904] <... mremap resumed>) = 0x200000a00000 [pid 5904] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5898] <... futex resumed>) = 0 [pid 5904] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5898] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5904] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5898] <... futex resumed>) = 0 [pid 5904] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5898] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5904] <... mremap resumed>) = 0x200000a00000 [pid 5904] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5898] <... futex resumed>) = 0 [pid 5904] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5902] <... mmap resumed>) = 0x200000000000 [pid 5900] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5900] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5902] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5900] <... mprotect resumed>) = 0 [pid 5902] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5900] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5906 attached => {parent_tid=[13]}, 88) = 13 [pid 5906] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5900] rt_sigprocmask(SIG_SETMASK, [], [pid 5906] <... rseq resumed>) = 0 [pid 5900] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5900] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5906] rt_sigprocmask(SIG_SETMASK, [], [pid 5900] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5906] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5906] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5906] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] <... futex resumed>) = 0 [pid 5900] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] <... futex resumed>) = 0 [pid 5900] <... futex resumed>) = 1 [pid 5902] sendmmsg(4, [pid 5900] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5900] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5906] <... futex resumed>) = 0 [pid 5906] recvmmsg(3, [pid 5900] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5906] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5906] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] <... futex resumed>) = 0 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5900] <... futex resumed>) = 0 [pid 5900] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] <... mremap resumed>) = 0x200000a00000 [pid 5906] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5900] <... futex resumed>) = 0 [pid 5906] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5900] <... futex resumed>) = 0 [pid 5900] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5906] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000) = 0x200000a00000 [pid 5906] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5906] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5900] <... futex resumed>) = 0 [pid 5892] close(3 [pid 5894] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5892] <... close resumed>) = 0 [pid 5894] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5892] close(4 [pid 5894] <... futex resumed>) = 0 [pid 5894] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5892] <... close resumed>) = 0 [pid 5892] close(5) = -1 EBADF (Bad file descriptor) [pid 5892] close(6) = -1 EBADF (Bad file descriptor) [pid 5892] close(7) = -1 EBADF (Bad file descriptor) [pid 5892] close(8) = -1 EBADF (Bad file descriptor) [pid 5892] close(9) = -1 EBADF (Bad file descriptor) [pid 5892] close(10) = -1 EBADF (Bad file descriptor) [pid 5892] close(11) = -1 EBADF (Bad file descriptor) [pid 5892] close(12) = -1 EBADF (Bad file descriptor) [pid 5892] close(13) = -1 EBADF (Bad file descriptor) [pid 5892] close(14) = -1 EBADF (Bad file descriptor) [pid 5892] close(15) = -1 EBADF (Bad file descriptor) [pid 5892] close(16) = -1 EBADF (Bad file descriptor) [pid 5892] close(17) = -1 EBADF (Bad file descriptor) [pid 5892] close(18) = -1 EBADF (Bad file descriptor) [pid 5892] close(19) = -1 EBADF (Bad file descriptor) [pid 5892] close(20) = -1 EBADF (Bad file descriptor) [pid 5892] close(21) = -1 EBADF (Bad file descriptor) [pid 5892] close(22) = -1 EBADF (Bad file descriptor) [pid 5892] close(23) = -1 EBADF (Bad file descriptor) [pid 5892] close(24) = -1 EBADF (Bad file descriptor) [pid 5892] close(25) = -1 EBADF (Bad file descriptor) [pid 5892] close(26) = -1 EBADF (Bad file descriptor) [pid 5892] close(27) = -1 EBADF (Bad file descriptor) [pid 5892] close(28) = -1 EBADF (Bad file descriptor) [pid 5892] close(29) = -1 EBADF (Bad file descriptor) [pid 5892] exit_group(0 [pid 5901] <... futex resumed>) = ? [pid 5894] <... futex resumed>) = ? [pid 5892] <... exit_group resumed>) = ? [pid 5901] +++ exited with 0 +++ [pid 5894] +++ exited with 0 +++ [pid 5893] close(3 [pid 5896] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5893] <... close resumed>) = 0 [pid 5896] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5893] close(4 [pid 5896] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5893] <... close resumed>) = 0 [pid 5893] close(5) = -1 EBADF (Bad file descriptor) [pid 5893] close(6) = -1 EBADF (Bad file descriptor) [pid 5892] +++ exited with 0 +++ [pid 5893] close(7) = -1 EBADF (Bad file descriptor) [pid 5893] close(8) = -1 EBADF (Bad file descriptor) [pid 5893] close(9) = -1 EBADF (Bad file descriptor) [pid 5893] close(10) = -1 EBADF (Bad file descriptor) [pid 5893] close(11) = -1 EBADF (Bad file descriptor) [pid 5893] close(12) = -1 EBADF (Bad file descriptor) [pid 5893] close(13 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(14 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 5893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5893] close(15) = -1 EBADF (Bad file descriptor) [pid 5893] close(16) = -1 EBADF (Bad file descriptor) [pid 5893] close(17) = -1 EBADF (Bad file descriptor) [pid 5893] close(18) = -1 EBADF (Bad file descriptor) [pid 5893] close(19) = -1 EBADF (Bad file descriptor) [pid 5893] close(20) = -1 EBADF (Bad file descriptor) [pid 5893] close(21) = -1 EBADF (Bad file descriptor) [pid 5893] close(22) = -1 EBADF (Bad file descriptor) [pid 5893] close(23) = -1 EBADF (Bad file descriptor) [pid 5893] close(24) = -1 EBADF (Bad file descriptor) [pid 5893] close(25) = -1 EBADF (Bad file descriptor) [pid 5893] close(26) = -1 EBADF (Bad file descriptor) [pid 5893] close(27) = -1 EBADF (Bad file descriptor) [pid 5893] close(28) = -1 EBADF (Bad file descriptor) [pid 5893] close(29) = -1 EBADF (Bad file descriptor) [pid 5840] <... restart_syscall resumed>) = 0 [pid 5895] close(3 [pid 5893] exit_group(0 [pid 5898] close(3 [pid 5840] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./2/binderfs" [pid 5903] <... futex resumed>) = ? [pid 5899] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5898] <... close resumed>) = 0 [pid 5897] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5896] <... futex resumed>) = ? [pid 5895] <... close resumed>) = 0 [pid 5893] <... exit_group resumed>) = ? [pid 5903] +++ exited with 0 +++ [pid 5899] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5898] close(4 [pid 5897] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5896] +++ exited with 0 +++ [pid 5895] close(4 [pid 5840] <... unlink resumed>) = 0 [pid 5899] <... futex resumed>) = 0 [pid 5897] <... futex resumed>) = 0 [pid 5899] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5897] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./2/cgroup.net" [pid 5898] <... close resumed>) = 0 [pid 5895] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5898] close(5 [pid 5895] close(5 [pid 5840] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(6 [pid 5895] close(6 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./2/cgroup.cpu", [pid 5898] close(7 [pid 5895] close(7 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./2/cgroup.cpu" [pid 5898] close(8) = -1 EBADF (Bad file descriptor) [pid 5895] close(8 [pid 5840] <... unlink resumed>) = 0 [pid 5898] close(9 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(9 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5898] close(10 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(10 [pid 5898] close(11 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(11 [pid 5840] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5898] close(12 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(12 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5898] close(13 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(13 [pid 5840] unlink("./2/cgroup" [pid 5898] close(14 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(14 [pid 5898] close(15 [pid 5840] getdents64(3, [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5898] close(16 [pid 5895] close(15 [pid 5840] close(3 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 5895] close(16 [pid 5898] close(17 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] rmdir("./2" [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(17 [pid 5840] <... rmdir resumed>) = 0 [pid 5898] close(18 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./3", 0777 [pid 5898] close(19 [pid 5895] close(18 [pid 5840] <... mkdir resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(20 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(19) = -1 EBADF (Bad file descriptor) [pid 5895] close(20) = -1 EBADF (Bad file descriptor) [pid 5895] close(21) = -1 EBADF (Bad file descriptor) [pid 5898] close(21 [pid 5895] close(22 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] close(22) = -1 EBADF (Bad file descriptor) [pid 5895] close(23 [pid 5898] close(23 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(24 [pid 5898] close(24 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5907 attached [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(25 [pid 5907] set_robust_list(0x55558030a6a0, 24 [pid 5898] close(25 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] <... set_robust_list resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(26 [pid 5907] chdir("./3" [pid 5898] close(26 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] <... chdir resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(27 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 11 [pid 5907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5898] close(27 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] <... prctl resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(28 [pid 5907] setpgid(0, 0 [pid 5898] close(28 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] <... setpgid resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] close(29 [pid 5907] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5898] close(29 [pid 5895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5907] <... symlink resumed>) = 0 [pid 5898] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5895] exit_group(0 [pid 5907] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5905] <... futex resumed>) = ? [pid 5898] exit_group(0 [pid 5897] <... futex resumed>) = ? [pid 5895] <... exit_group resumed>) = ? [pid 5907] <... symlink resumed>) = 0 [pid 5905] +++ exited with 0 +++ [pid 5904] <... futex resumed>) = ? [pid 5899] <... futex resumed>) = ? [pid 5898] <... exit_group resumed>) = ? [pid 5897] +++ exited with 0 +++ [pid 5907] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5904] +++ exited with 0 +++ [pid 5907] <... symlink resumed>) = 0 [pid 5907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5907] write(3, "1000", 4) = 4 [pid 5907] close(3) = 0 [pid 5907] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5899] +++ exited with 0 +++ executing program [pid 5907] write(1, "executing program\n", 18) = 18 [pid 5907] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5907] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5907] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5893] +++ exited with 0 +++ [pid 5907] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5907] <... mprotect resumed>) = 0 [pid 5841] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5841] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5908 attached [pid 5841] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5908] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5907] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5841] <... openat resumed>) = 3 [pid 5908] <... rseq resumed>) = 0 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5908] set_robust_list(0x7fb5e51289a0, 24 [pid 5841] newfstatat(3, "", [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5908] <... set_robust_list resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5908] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] getdents64(3, [pid 5907] <... futex resumed>) = 0 [pid 5908] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5907] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./2/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./2/binderfs") = 0 [pid 5841] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./2/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./2/cgroup.net") = 0 [pid 5841] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./2/cgroup.cpu") = 0 [pid 5841] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5900] close(3 [pid 5907] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5902] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5900] <... close resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5907] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5902] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] <... futex resumed>) = 0 [pid 5902] <... futex resumed>) = 0 [pid 5841] unlink("./2/cgroup" [pid 5907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5902] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... unlink resumed>) = 0 [pid 5841] getdents64(3, [pid 5900] close(4 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5900] <... close resumed>) = 0 [pid 5900] close(5 [pid 5841] close(3) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(6) = -1 EBADF (Bad file descriptor) [pid 5900] close(7) = -1 EBADF (Bad file descriptor) [pid 5900] close(8) = -1 EBADF (Bad file descriptor) [pid 5900] close(9) = -1 EBADF (Bad file descriptor) [pid 5900] close(10) = -1 EBADF (Bad file descriptor) [pid 5900] close(11) = -1 EBADF (Bad file descriptor) [pid 5900] close(12) = -1 EBADF (Bad file descriptor) [pid 5900] close(13) = -1 EBADF (Bad file descriptor) [pid 5900] close(14) = -1 EBADF (Bad file descriptor) [pid 5900] close(15) = -1 EBADF (Bad file descriptor) [pid 5900] close(16) = -1 EBADF (Bad file descriptor) [pid 5900] close(17) = -1 EBADF (Bad file descriptor) [pid 5900] close(18) = -1 EBADF (Bad file descriptor) [pid 5900] close(19) = -1 EBADF (Bad file descriptor) [pid 5900] close(20) = -1 EBADF (Bad file descriptor) [pid 5900] close(21 [pid 5841] rmdir("./2" [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... rmdir resumed>) = 0 [pid 5841] mkdir("./3", 0777 [pid 5900] close(22 [pid 5841] <... mkdir resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5900] close(23) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5909 attached [pid 5900] close(24 [pid 5909] set_robust_list(0x55558030a6a0, 24 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 11 [pid 5909] <... set_robust_list resumed>) = 0 [pid 5909] chdir("./3" [pid 5900] close(25 [pid 5909] <... chdir resumed>) = 0 [pid 5909] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... prctl resumed>) = 0 [pid 5909] setpgid(0, 0 [pid 5900] close(26 [pid 5909] <... setpgid resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5900] close(27 [pid 5909] <... symlink resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5900] close(28 [pid 5909] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5900] close(29 [pid 5909] <... symlink resumed>) = 0 [pid 5900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5900] exit_group(0 [pid 5906] <... futex resumed>) = ? [pid 5900] <... exit_group resumed>) = ? [pid 5906] +++ exited with 0 +++ [pid 5902] <... futex resumed>) = ? [pid 5895] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=8, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5909] <... openat resumed>) = 3 [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5843] umount2("./2", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./2", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5909] write(3, "1000", 4 [pid 5843] newfstatat(3, "", [pid 5909] <... write resumed>) = 4 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, [pid 5909] close(3 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5909] <... close resumed>) = 0 [pid 5843] umount2("./2/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5909] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./2/binderfs", executing program [pid 5909] write(1, "executing program\n", 18) = 18 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] unlink("./2/binderfs" [pid 5909] <... futex resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5909] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5843] umount2("./2/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./2/cgroup.net", [pid 5909] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5909] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5909] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5843] unlink("./2/cgroup.net"./strace-static-x86_64: Process 5910 attached [pid 5910] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5909] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5910] <... rseq resumed>) = 0 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5910] set_robust_list(0x7fb5e51289a0, 24 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5910] <... set_robust_list resumed>) = 0 [pid 5909] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] rt_sigprocmask(SIG_SETMASK, [], [pid 5909] <... futex resumed>) = 0 [pid 5910] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... unlink resumed>) = 0 [pid 5910] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5843] umount2("./2/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5902] +++ exited with 0 +++ [pid 5900] +++ exited with 0 +++ [pid 5843] newfstatat(AT_FDCWD, "./2/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./2/cgroup.cpu") = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5843] umount2("./2/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5898] +++ exited with 0 +++ [pid 5843] newfstatat(AT_FDCWD, "./2/cgroup", [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] unlink("./2/cgroup" [pid 5844] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] <... unlink resumed>) = 0 [pid 5844] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] getdents64(3, [pid 5842] <... openat resumed>) = 3 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] newfstatat(3, "", [pid 5843] close(3 [pid 5844] <... openat resumed>) = 3 [pid 5843] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] newfstatat(3, "", [pid 5843] rmdir("./2" [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] <... rmdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] mkdir("./3", 0777 [pid 5842] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5844] unlink("./3/binderfs") = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./3/binderfs" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./3/cgroup.net", ./strace-static-x86_64: Process 5911 attached [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5911] set_robust_list(0x55558030a6a0, 24 [pid 5909] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] unlink("./3/cgroup.net" [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 11 [pid 5911] <... set_robust_list resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5842] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] chdir("./3" [pid 5909] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] <... chdir resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5911] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5844] unlink("./3/cgroup.cpu" [pid 5911] <... prctl resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5911] setpgid(0, 0 [pid 5842] unlink("./3/cgroup.net" [pid 5911] <... setpgid resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5844] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5842] <... unlink resumed>) = 0 [pid 5911] <... symlink resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5844] unlink("./3/cgroup" [pid 5911] <... symlink resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] getdents64(3, [pid 5911] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5844] close(3 [pid 5911] <... symlink resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5844] rmdir("./3" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... rmdir resumed>) = 0 [pid 5844] mkdir("./4", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] unlink("./3/cgroup.cpu"./strace-static-x86_64: Process 5912 attached [pid 5911] <... openat resumed>) = 3 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 14 [pid 5912] set_robust_list(0x55558030a6a0, 24 [pid 5911] write(3, "1000", 4 [pid 5842] <... unlink resumed>) = 0 [pid 5912] <... set_robust_list resumed>) = 0 [pid 5911] <... write resumed>) = 4 [pid 5842] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5911] close(3 [pid 5912] chdir("./4" [pid 5911] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] <... chdir resumed>) = 0 [pid 5911] symlink("/dev/binderfs", "./binderfs" [pid 5842] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5911] <... symlink resumed>) = 0 [pid 5842] unlink("./3/cgroup" [pid 5912] <... prctl resumed>) = 0 [pid 5911] write(1, "executing program\n", 18executing program [pid 5842] <... unlink resumed>) = 0 [pid 5911] <... write resumed>) = 18 [pid 5912] setpgid(0, 0 [pid 5911] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] getdents64(3, [pid 5912] <... setpgid resumed>) = 0 [pid 5911] <... futex resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5911] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5842] close(3 [pid 5911] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5842] <... close resumed>) = 0 [pid 5912] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] rmdir("./3" [pid 5911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5911] <... mmap resumed>) = 0x7fb5e5108000 [pid 5911] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5842] mkdir("./4", 0777 [pid 5912] <... symlink resumed>) = 0 [pid 5842] <... mkdir resumed>) = 0 [pid 5912] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5911] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] <... symlink resumed>) = 0 [pid 5911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5913 attached ./strace-static-x86_64: Process 5914 attached [pid 5913] set_robust_list(0x55558030a6a0, 24 [pid 5912] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5914] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5913] <... set_robust_list resumed>) = 0 [pid 5914] <... rseq resumed>) = 0 [pid 5913] chdir("./4" [pid 5912] <... symlink resumed>) = 0 [pid 5911] <... clone3 resumed> => {parent_tid=[12]}, 88) = 12 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 14 [pid 5914] set_robust_list(0x7fb5e51289a0, 24 [pid 5913] <... chdir resumed>) = 0 [pid 5912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5914] <... set_robust_list resumed>) = 0 [pid 5913] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5912] <... openat resumed>) = 3 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5914] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] <... prctl resumed>) = 0 [pid 5912] write(3, "1000", 4 [pid 5911] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] setpgid(0, 0 [pid 5912] <... write resumed>) = 4 [pid 5911] <... futex resumed>) = 0 [pid 5914] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5913] <... setpgid resumed>) = 0 [pid 5913] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5912] close(3 [pid 5911] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] <... symlink resumed>) = 0 [pid 5912] <... close resumed>) = 0 [pid 5913] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5912] symlink("/dev/binderfs", "./binderfs" [pid 5913] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5912] <... symlink resumed>) = 0 [pid 5913] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5913] write(3, "1000", 4) = 4 [pid 5913] close(3) = 0 [pid 5913] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5913] write(1, "executing program\n", 18) = 18 [pid 5913] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] write(1, "executing program\n", 18 [pid 5913] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5913] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], executing program NULL, 8) = 0 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5912] <... write resumed>) = 18 [pid 5913] <... mmap resumed>) = 0x7fb5e5108000 [pid 5912] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5912] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5913] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5915 attached [pid 5912] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5915] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5913] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5915] <... rseq resumed>) = 0 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] set_robust_list(0x7fb5e51289a0, 24 [pid 5913] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5915] <... set_robust_list resumed>) = 0 [pid 5913] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] rt_sigprocmask(SIG_SETMASK, [], [pid 5913] <... futex resumed>) = 0 [pid 5912] <... mmap resumed>) = 0x7fb5e5108000 [pid 5915] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5913] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5915] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5912] <... mprotect resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) ./strace-static-x86_64: Process 5916 attached [pid 5911] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5911] <... futex resumed>) = 0 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], [pid 5911] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5912] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5916] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5912] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5916] <... rseq resumed>) = 0 [pid 5912] <... futex resumed>) = 0 [pid 5916] set_robust_list(0x7fb5e51289a0, 24 [pid 5912] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5916] <... set_robust_list resumed>) = 0 [pid 5916] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5916] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5913] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5913] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5908] <... mmap resumed>) = 0x200000000000 [pid 5907] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5907] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5907] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5907] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5908] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5917 attached [pid 5907] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5917] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5907] rt_sigprocmask(SIG_SETMASK, [], [pid 5917] <... rseq resumed>) = 0 [pid 5907] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] set_robust_list(0x7fb5e51079a0, 24 [pid 5907] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... set_robust_list resumed>) = 0 [pid 5907] <... futex resumed>) = 0 [pid 5917] rt_sigprocmask(SIG_SETMASK, [], [pid 5907] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5917] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5908] <... futex resumed>) = 0 [pid 5917] <... socketpair resumed>0x200000000200) = 0 [pid 5908] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5917] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5917] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5908] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 1 [pid 5908] sendmmsg(4, [pid 5907] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5907] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = 0 [pid 5907] <... futex resumed>) = 1 [pid 5917] recvmmsg(3, [pid 5907] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5917] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5917] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5917] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5907] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... mremap resumed>) = 0x200000a00000 [pid 5917] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5917] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5917] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5907] <... futex resumed>) = 0 [pid 5917] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5907] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5917] <... mremap resumed>) = 0x200000a00000 [pid 5917] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5907] <... futex resumed>) = 0 [pid 5917] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5910] <... mmap resumed>) = 0x200000000000 [pid 5909] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5910] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5910] <... futex resumed>) = 0 [pid 5909] <... mprotect resumed>) = 0 [pid 5910] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5909] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5918 attached [pid 5918] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5909] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5918] <... rseq resumed>) = 0 [pid 5915] <... mmap resumed>) = 0x200000000000 [pid 5913] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5909] rt_sigprocmask(SIG_SETMASK, [], [pid 5918] set_robust_list(0x7fb5e51079a0, 24 [pid 5915] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5918] <... set_robust_list resumed>) = 0 [pid 5915] <... futex resumed>) = 0 [pid 5909] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] rt_sigprocmask(SIG_SETMASK, [], [pid 5915] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... futex resumed>) = 0 [pid 5918] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5909] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5918] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5918] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 1 [pid 5910] sendmmsg(4, [pid 5909] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5913] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5913] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5919 attached [pid 5919] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5919] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5919] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5919] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5913] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5913] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 1 [pid 5919] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5913] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] <... socketpair resumed>0x200000000200) = 0 [pid 5919] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5913] <... futex resumed>) = 0 [pid 5919] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 1 [pid 5915] sendmmsg(4, [pid 5913] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5914] <... mmap resumed>) = 0x200000000000 [pid 5911] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5914] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5914] <... futex resumed>) = 0 [pid 5911] <... mprotect resumed>) = 0 [pid 5914] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5909] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5913] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5911] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5909] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5913] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5909] <... futex resumed>) = 1 ./strace-static-x86_64: Process 5920 attached [pid 5919] <... futex resumed>) = 0 [pid 5918] recvmmsg(3, [pid 5913] <... futex resumed>) = 1 [pid 5909] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5919] recvmmsg(3, [pid 5918] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5913] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] <... clone3 resumed> => {parent_tid=[13]}, 88) = 13 [pid 5919] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5918] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] <... futex resumed>) = 0 [pid 5911] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5918] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] <... futex resumed>) = 0 [pid 5911] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5919] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5911] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5913] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5919] <... mremap resumed>) = 0x200000a00000 [pid 5909] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5920] <... rseq resumed>) = 0 [pid 5919] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] set_robust_list(0x7fb5e51079a0, 24 [pid 5919] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 0 [pid 5913] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 1 [pid 5920] <... set_robust_list resumed>) = 0 [pid 5919] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5913] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] rt_sigprocmask(SIG_SETMASK, [], [pid 5919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5918] <... mremap resumed>) = 0x200000a00000 [pid 5913] <... futex resumed>) = 0 [pid 5920] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5919] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5918] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5919] <... mremap resumed>) = 0x200000a00000 [pid 5918] <... futex resumed>) = 1 [pid 5909] <... futex resumed>) = 0 [pid 5919] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... socketpair resumed>0x200000000200) = 0 [pid 5919] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5913] <... futex resumed>) = 0 [pid 5909] <... futex resumed>) = 0 [pid 5920] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5919] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5911] <... futex resumed>) = 0 [pid 5909] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] <... mremap resumed>) = 0x200000a00000 [pid 5911] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5918] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5914] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 1 [pid 5918] <... futex resumed>) = 1 [pid 5914] sendmmsg(4, [pid 5911] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5909] <... futex resumed>) = 0 [pid 5916] <... mmap resumed>) = 0x200000000000 [pid 5916] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5916] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5918] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5912] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5912] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5912] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5921 attached => {parent_tid=[16]}, 88) = 16 [pid 5921] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5912] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5921] <... rseq resumed>) = 0 [pid 5912] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5912] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5921] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5921] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5921] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5921] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5916] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = 1 [pid 5911] <... futex resumed>) = 1 [pid 5912] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5911] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5916] sendmmsg(4, [pid 5920] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5920] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] <... futex resumed>) = 0 [pid 5911] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = 0 [pid 5911] <... futex resumed>) = 1 [pid 5920] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5911] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... mremap resumed>) = 0x200000a00000 [pid 5920] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5911] <... futex resumed>) = 0 [pid 5920] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5920] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5911] <... futex resumed>) = 0 [pid 5920] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5911] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5920] <... mremap resumed>) = 0x200000a00000 [pid 5920] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5920] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] <... futex resumed>) = 0 [pid 5912] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5912] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5921] <... futex resumed>) = 0 [pid 5912] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5921] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5921] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5912] <... futex resumed>) = 0 [pid 5912] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... mremap resumed>) = 0x200000a00000 [pid 5921] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5921] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5912] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5921] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5921] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5912] <... futex resumed>) = 0 [pid 5912] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5921] <... mremap resumed>) = 0x200000a00000 [pid 5921] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5912] <... futex resumed>) = 0 [pid 5921] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] close(3 [pid 5908] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5907] <... close resumed>) = 0 [pid 5908] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5907] close(4 [pid 5908] <... futex resumed>) = 0 [pid 5907] <... close resumed>) = 0 [pid 5908] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5907] close(5) = -1 EBADF (Bad file descriptor) [pid 5907] close(6) = -1 EBADF (Bad file descriptor) [pid 5907] close(7) = -1 EBADF (Bad file descriptor) [pid 5907] close(8) = -1 EBADF (Bad file descriptor) [pid 5907] close(9) = -1 EBADF (Bad file descriptor) [pid 5907] close(10) = -1 EBADF (Bad file descriptor) [pid 5907] close(11) = -1 EBADF (Bad file descriptor) [pid 5907] close(12) = -1 EBADF (Bad file descriptor) [pid 5907] close(13) = -1 EBADF (Bad file descriptor) [pid 5907] close(14) = -1 EBADF (Bad file descriptor) [pid 5907] close(15) = -1 EBADF (Bad file descriptor) [pid 5907] close(16) = -1 EBADF (Bad file descriptor) [pid 5907] close(17) = -1 EBADF (Bad file descriptor) [pid 5907] close(18) = -1 EBADF (Bad file descriptor) [pid 5907] close(19) = -1 EBADF (Bad file descriptor) [pid 5907] close(20) = -1 EBADF (Bad file descriptor) [pid 5907] close(21) = -1 EBADF (Bad file descriptor) [pid 5907] close(22) = -1 EBADF (Bad file descriptor) [pid 5907] close(23) = -1 EBADF (Bad file descriptor) [pid 5907] close(24) = -1 EBADF (Bad file descriptor) [pid 5907] close(25) = -1 EBADF (Bad file descriptor) [pid 5907] close(26) = -1 EBADF (Bad file descriptor) [pid 5907] close(27) = -1 EBADF (Bad file descriptor) [pid 5907] close(28) = -1 EBADF (Bad file descriptor) [pid 5907] close(29) = -1 EBADF (Bad file descriptor) [pid 5907] exit_group(0) = ? [pid 5917] <... futex resumed>) = ? [pid 5908] <... futex resumed>) = ? [pid 5917] +++ exited with 0 +++ [pid 5908] +++ exited with 0 +++ [pid 5907] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5840] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/binderfs") = 0 [pid 5840] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/cgroup.net") = 0 [pid 5840] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/cgroup.cpu") = 0 [pid 5840] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./3/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./3/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./3") = 0 [pid 5840] mkdir("./4", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5923 attached , child_tidptr=0x55558030a690) = 14 [pid 5923] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5923] chdir("./4") = 0 [pid 5923] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5923] setpgid(0, 0) = 0 [pid 5923] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5923] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5923] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5923] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5923] write(3, "1000", 4) = 4 [pid 5923] close(3) = 0 [pid 5923] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5923] write(1, "executing program\n", 18executing program ) = 18 [pid 5923] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5923] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5923] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5923] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5924 attached => {parent_tid=[15]}, 88) = 15 [pid 5924] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5924] <... rseq resumed>) = 0 [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] set_robust_list(0x7fb5e51289a0, 24 [pid 5923] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5924] <... set_robust_list resumed>) = 0 [pid 5924] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5924] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5913] close(3 [pid 5915] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5913] <... close resumed>) = 0 [pid 5923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5915] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5913] close(4 [pid 5923] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5915] <... futex resumed>) = 0 [pid 5913] <... close resumed>) = 0 [pid 5923] <... futex resumed>) = 0 [pid 5915] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] close(5 [pid 5923] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] close(6) = -1 EBADF (Bad file descriptor) [pid 5913] close(7) = -1 EBADF (Bad file descriptor) [pid 5913] close(8) = -1 EBADF (Bad file descriptor) [pid 5913] close(9) = -1 EBADF (Bad file descriptor) [pid 5913] close(10) = -1 EBADF (Bad file descriptor) [pid 5913] close(11) = -1 EBADF (Bad file descriptor) [pid 5913] close(12) = -1 EBADF (Bad file descriptor) [pid 5913] close(13) = -1 EBADF (Bad file descriptor) [pid 5913] close(14) = -1 EBADF (Bad file descriptor) [pid 5913] close(15) = -1 EBADF (Bad file descriptor) [pid 5913] close(16) = -1 EBADF (Bad file descriptor) [pid 5913] close(17) = -1 EBADF (Bad file descriptor) [pid 5913] close(18) = -1 EBADF (Bad file descriptor) [pid 5913] close(19) = -1 EBADF (Bad file descriptor) [pid 5913] close(20 [pid 5909] close(3 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] close(21) = -1 EBADF (Bad file descriptor) [pid 5913] close(22) = -1 EBADF (Bad file descriptor) [pid 5913] close(23) = -1 EBADF (Bad file descriptor) [pid 5913] close(24) = -1 EBADF (Bad file descriptor) [pid 5913] close(25) = -1 EBADF (Bad file descriptor) [pid 5913] close(26) = -1 EBADF (Bad file descriptor) [pid 5913] close(27 [pid 5910] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5909] <... close resumed>) = 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5909] close(4 [pid 5913] close(28 [pid 5910] <... futex resumed>) = 0 [pid 5909] <... close resumed>) = 0 [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] close(5 [pid 5913] close(29 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5913] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(6 [pid 5913] exit_group(0 [pid 5911] close(3 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5919] <... futex resumed>) = ? [pid 5915] <... futex resumed>) = ? [pid 5913] <... exit_group resumed>) = ? [pid 5909] close(7 [pid 5919] +++ exited with 0 +++ [pid 5915] +++ exited with 0 +++ [pid 5914] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5911] <... close resumed>) = 0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(8) = -1 EBADF (Bad file descriptor) [pid 5909] close(9) = -1 EBADF (Bad file descriptor) [pid 5914] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5911] close(4 [pid 5909] close(10 [pid 5914] <... futex resumed>) = 0 [pid 5911] <... close resumed>) = 0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5914] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5911] close(5 [pid 5909] close(11 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(6 [pid 5909] close(12 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(7 [pid 5909] close(13 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(8 [pid 5909] close(14 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(9 [pid 5909] close(15 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(10 [pid 5909] close(16 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(11) = -1 EBADF (Bad file descriptor) [pid 5909] close(17 [pid 5911] close(12 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(18 [pid 5911] close(13 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] close(3 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(19 [pid 5911] close(14) = -1 EBADF (Bad file descriptor) [pid 5911] close(15) = -1 EBADF (Bad file descriptor) [pid 5911] close(16) = -1 EBADF (Bad file descriptor) [pid 5911] close(17) = -1 EBADF (Bad file descriptor) [pid 5911] close(18) = -1 EBADF (Bad file descriptor) [pid 5911] close(19 [pid 5916] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5916] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5916] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(20) = -1 EBADF (Bad file descriptor) [pid 5911] close(21) = -1 EBADF (Bad file descriptor) [pid 5911] close(22) = -1 EBADF (Bad file descriptor) [pid 5911] close(23) = -1 EBADF (Bad file descriptor) [pid 5911] close(24) = -1 EBADF (Bad file descriptor) [pid 5911] close(25) = -1 EBADF (Bad file descriptor) [pid 5911] close(26) = -1 EBADF (Bad file descriptor) [pid 5911] close(27 [pid 5909] close(20 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] close(28 [pid 5909] close(21 [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(22) = -1 EBADF (Bad file descriptor) [pid 5911] close(29 [pid 5909] close(23) = -1 EBADF (Bad file descriptor) [pid 5911] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] close(24 [pid 5912] <... close resumed>) = 0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] close(4 [pid 5909] close(25 [pid 5911] exit_group(0 [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] <... close resumed>) = 0 [pid 5909] close(26 [pid 5912] close(5 [pid 5920] <... futex resumed>) = ? [pid 5914] <... futex resumed>) = ? [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5911] <... exit_group resumed>) = ? [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5920] +++ exited with 0 +++ [pid 5914] +++ exited with 0 +++ [pid 5912] close(6 [pid 5924] <... mmap resumed>) = 0x200000000000 [pid 5909] close(27 [pid 5923] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5912] close(7 [pid 5909] close(28 [pid 5923] <... mprotect resumed>) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5912] close(8 [pid 5909] close(29 [pid 5923] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5909] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5912] close(9 [pid 5909] exit_group(0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5910] <... futex resumed>) = ? [pid 5909] <... exit_group resumed>) = ? [pid 5918] <... futex resumed>) = ? [pid 5912] close(10 [pid 5910] +++ exited with 0 +++ [pid 5924] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5924] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5913] +++ exited with 0 +++ [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5842] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./4/binderfs") = 0 ./strace-static-x86_64: Process 5925 attached [pid 5912] close(11 [pid 5925] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5923] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5923] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] close(12 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5923] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] close(13 [pid 5923] <... futex resumed>) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] close(14 [pid 5925] <... rseq resumed>) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] set_robust_list(0x7fb5e51079a0, 24 [pid 5912] close(15 [pid 5925] <... set_robust_list resumed>) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] rt_sigprocmask(SIG_SETMASK, [], [pid 5912] close(16 [pid 5925] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5912] close(17 [pid 5925] <... socketpair resumed>0x200000000200) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] close(18) = -1 EBADF (Bad file descriptor) [pid 5912] close(19 [pid 5842] newfstatat(AT_FDCWD, "./4/cgroup.net", [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] close(20) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5912] close(21) = -1 EBADF (Bad file descriptor) [pid 5912] close(22 [pid 5925] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5925] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5912] close(23 [pid 5923] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./4/cgroup.net" [pid 5923] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5912] close(24 [pid 5925] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5924] <... futex resumed>) = 0 [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5912] close(25 [pid 5924] sendmmsg(4, [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5912] close(26) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5912] close(27 [pid 5842] newfstatat(AT_FDCWD, "./4/cgroup.cpu", [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5912] close(28 [pid 5842] unlink("./4/cgroup.cpu" [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5912] close(29 [pid 5842] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5912] exit_group(0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5916] <... futex resumed>) = ? [pid 5912] <... exit_group resumed>) = ? [pid 5921] <... futex resumed>) = ? [pid 5916] +++ exited with 0 +++ [pid 5842] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./4/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./4") = 0 [pid 5842] mkdir("./5", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558030a690) = 17 ./strace-static-x86_64: Process 5926 attached [pid 5926] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5926] chdir("./5") = 0 [pid 5926] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5926] setpgid(0, 0) = 0 [pid 5926] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5923] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5923] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = 0 [pid 5923] <... futex resumed>) = 1 [pid 5926] <... symlink resumed>) = 0 [pid 5925] recvmmsg(3, [pid 5923] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5918] +++ exited with 0 +++ [pid 5911] +++ exited with 0 +++ [pid 5909] +++ exited with 0 +++ [pid 5926] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=28 /* 0.28 s */} --- [pid 5925] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=11, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5925] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] restart_syscall(<... resuming interrupted clone ...> [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5926] <... symlink resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5926] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5925] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... symlink resumed>) = 0 [pid 5923] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] <... futex resumed>) = 0 [pid 5926] <... openat resumed>) = 3 [pid 5925] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5923] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] write(3, "1000", 4 [pid 5925] <... mremap resumed>) = 0x200000a00000 [pid 5926] <... write resumed>) = 4 [pid 5926] close(3 [pid 5925] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... close resumed>) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5926] symlink("/dev/binderfs", "./binderfs" [pid 5925] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5923] <... futex resumed>) = 0 [pid 5926] <... symlink resumed>) = 0 [pid 5925] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5923] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5926] write(1, "executing program\n", 18executing program [pid 5843] <... restart_syscall resumed>) = 0 [pid 5841] <... restart_syscall resumed>) = 0 [pid 5926] <... write resumed>) = 18 [pid 5926] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5925] <... mremap resumed>) = 0x200000a00000 [pid 5926] <... futex resumed>) = 0 [pid 5843] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./3", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5926] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5925] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5925] <... futex resumed>) = 1 [pid 5923] <... futex resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] openat(AT_FDCWD, "./3", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5926] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5925] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] <... openat resumed>) = 3 [pid 5841] <... openat resumed>) = 3 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] newfstatat(3, "", [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] newfstatat(3, "", [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5926] <... mmap resumed>) = 0x7fb5e5108000 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, [pid 5926] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5843] getdents64(3, [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5926] <... mprotect resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5926] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] umount2("./3/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5926] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5843] newfstatat(AT_FDCWD, "./3/binderfs", [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5927 attached [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/binderfs" [pid 5927] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5926] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5843] unlink("./3/binderfs" [pid 5841] <... unlink resumed>) = 0 [pid 5927] <... rseq resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... unlink resumed>) = 0 [pid 5841] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5927] set_robust_list(0x7fb5e51289a0, 24 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] umount2("./3/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5927] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5927] rt_sigprocmask(SIG_SETMASK, [], [pid 5926] <... futex resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./3/cgroup.net", [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5927] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/cgroup.net" [pid 5927] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5843] unlink("./3/cgroup.net" [pid 5841] <... unlink resumed>) = 0 [pid 5841] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/cgroup.cpu") = 0 [pid 5841] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... unlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./3/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5843] newfstatat(AT_FDCWD, "./3/cgroup.cpu", [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./3/cgroup" [pid 5843] unlink("./3/cgroup.cpu" [pid 5841] <... unlink resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5841] getdents64(3, [pid 5843] umount2("./3/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] close(3) = 0 [pid 5841] rmdir("./3") = 0 [pid 5841] mkdir("./4", 0777) = 0 [pid 5843] newfstatat(AT_FDCWD, "./3/cgroup", [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5928 attached [pid 5843] unlink("./3/cgroup" [pid 5928] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... unlink resumed>) = 0 [pid 5928] <... set_robust_list resumed>) = 0 [pid 5843] getdents64(3, [pid 5928] chdir("./4" [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3 [pid 5928] <... chdir resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 5928] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] rmdir("./3" [pid 5928] <... prctl resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 14 [pid 5843] mkdir("./4", 0777 [pid 5928] setpgid(0, 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5928] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 5929 attached [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 14 [pid 5929] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5929] chdir("./4") = 0 [pid 5929] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5929] setpgid(0, 0) = 0 [pid 5929] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5929] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5929] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5929] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5926] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] write(3, "1000", 4) = 4 [pid 5929] close(3) = 0 [pid 5929] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5929] write(1, "executing program\n", 18 [pid 5928] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5929] <... write resumed>) = 18 [pid 5929] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5929] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5928] <... symlink resumed>) = 0 [pid 5929] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5928] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5929] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5928] <... symlink resumed>) = 0 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5928] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5928] <... symlink resumed>) = 0 [pid 5929] <... mmap resumed>) = 0x7fb5e5108000 [pid 5928] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5926] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... openat resumed>) = 3 [pid 5926] <... futex resumed>) = 0 [pid 5926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5928] write(3, "1000", 4 [pid 5921] +++ exited with 0 +++ [pid 5912] +++ exited with 0 +++ [pid 5929] <... mprotect resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5928] <... write resumed>) = 4 [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5928] close(3 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- ./strace-static-x86_64: Process 5930 attached [pid 5928] <... close resumed>) = 0 [pid 5844] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5930] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5929] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5928] symlink("/dev/binderfs", "./binderfs" [pid 5930] <... rseq resumed>) = 0 [pid 5930] set_robust_list(0x7fb5e51289a0, 24 [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5928] <... symlink resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5930] <... set_robust_list resumed>) = 0 [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5930] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000executing program [pid 5928] write(1, "executing program\n", 18 [pid 5844] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5930] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... futex resumed>) = 0 [pid 5928] <... write resumed>) = 18 [pid 5930] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5929] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... openat resumed>) = 3 [pid 5928] <... futex resumed>) = 0 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5928] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5844] getdents64(3, [pid 5928] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5928] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] newfstatat(AT_FDCWD, "./4/binderfs", [pid 5928] <... mmap resumed>) = 0x7fb5e5108000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5928] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5844] unlink("./4/binderfs" [pid 5928] <... mprotect resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5844] newfstatat(AT_FDCWD, "./4/cgroup.net", ./strace-static-x86_64: Process 5931 attached {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5931] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5844] unlink("./4/cgroup.net" [pid 5931] set_robust_list(0x7fb5e51289a0, 24 [pid 5844] <... unlink resumed>) = 0 [pid 5931] <... set_robust_list resumed>) = 0 [pid 5931] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5931] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5931] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./4/cgroup.cpu") = 0 [pid 5844] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5928] <... clone3 resumed> => {parent_tid=[15]}, 88) = 15 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5844] unlink("./4/cgroup" [pid 5928] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 1 [pid 5844] <... unlink resumed>) = 0 [pid 5931] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5928] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./4") = 0 [pid 5844] mkdir("./5", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5932 attached [pid 5932] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 17 [pid 5932] <... set_robust_list resumed>) = 0 [pid 5932] chdir("./5" [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5929] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] <... chdir resumed>) = 0 [pid 5932] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5932] setpgid(0, 0 [pid 5928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5928] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5928] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5932] <... setpgid resumed>) = 0 [pid 5932] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5932] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5932] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5923] close(3) = 0 [pid 5924] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5923] close(4executing program [pid 5932] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5924] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... close resumed>) = 0 [pid 5932] <... openat resumed>) = 3 [pid 5932] write(3, "1000", 4) = 4 [pid 5924] <... futex resumed>) = 0 [pid 5923] close(5 [pid 5932] close(3 [pid 5924] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... close resumed>) = 0 [pid 5923] close(6 [pid 5932] symlink("/dev/binderfs", "./binderfs" [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... symlink resumed>) = 0 [pid 5923] close(7 [pid 5932] write(1, "executing program\n", 18 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... write resumed>) = 18 [pid 5923] close(8 [pid 5932] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... futex resumed>) = 0 [pid 5923] close(9 [pid 5932] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5923] close(10 [pid 5932] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] close(11 [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... mmap resumed>) = 0x7fb5e5108000 [pid 5923] close(12 [pid 5932] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... mprotect resumed>) = 0 [pid 5923] close(13 [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5930] <... mmap resumed>) = 0x200000000000 [pid 5929] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5923] close(14 [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5929] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5930] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... mprotect resumed>) = 0 [pid 5923] close(15./strace-static-x86_64: Process 5933 attached [pid 5932] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5930] <... futex resumed>) = 0 [pid 5929] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5933] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5930] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5923] close(16 [pid 5933] <... rseq resumed>) = 0 [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5934 attached [pid 5933] set_robust_list(0x7fb5e51289a0, 24 [pid 5932] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5933] <... set_robust_list resumed>) = 0 [pid 5934] <... rseq resumed>) = 0 [pid 5933] rt_sigprocmask(SIG_SETMASK, [], [pid 5934] set_robust_list(0x7fb5e51079a0, 24 [pid 5932] <... futex resumed>) = 0 [pid 5933] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5929] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5923] close(17 [pid 5934] <... set_robust_list resumed>) = 0 [pid 5933] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5934] rt_sigprocmask(SIG_SETMASK, [], [pid 5929] rt_sigprocmask(SIG_SETMASK, [], [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5929] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5923] close(18 [pid 5929] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5929] <... futex resumed>) = 0 [pid 5923] close(19 [pid 5929] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5923] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5923] close(20) = -1 EBADF (Bad file descriptor) [pid 5923] close(21) = -1 EBADF (Bad file descriptor) [pid 5923] close(22) = -1 EBADF (Bad file descriptor) [pid 5923] close(23) = -1 EBADF (Bad file descriptor) [pid 5923] close(24) = -1 EBADF (Bad file descriptor) [pid 5923] close(25) = -1 EBADF (Bad file descriptor) [pid 5923] close(26) = -1 EBADF (Bad file descriptor) [pid 5923] close(27) = -1 EBADF (Bad file descriptor) [pid 5923] close(28) = -1 EBADF (Bad file descriptor) [pid 5923] close(29) = -1 EBADF (Bad file descriptor) [pid 5923] exit_group(0 [pid 5925] <... futex resumed>) = ? [pid 5924] <... futex resumed>) = ? [pid 5923] <... exit_group resumed>) = ? [pid 5934] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5927] <... mmap resumed>) = 0x200000000000 [pid 5926] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5925] +++ exited with 0 +++ [pid 5924] +++ exited with 0 +++ [pid 5934] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5927] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5934] <... socketpair resumed>0x200000000200) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... mprotect resumed>) = 0 [pid 5934] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5927] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5934] <... futex resumed>) = 1 [pid 5926] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5934] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... futex resumed>) = 0 [pid 5926] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5929] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5930] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5930] sendmmsg(4, [pid 5929] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 5935 attached [pid 5935] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5926] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 5935] <... rseq resumed>) = 0 [pid 5926] rt_sigprocmask(SIG_SETMASK, [], [pid 5935] set_robust_list(0x7fb5e51079a0, 24 [pid 5926] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5935] <... set_robust_list resumed>) = 0 [pid 5926] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] rt_sigprocmask(SIG_SETMASK, [], [pid 5926] <... futex resumed>) = 0 [pid 5935] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5926] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5932] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5935] <... socketpair resumed>0x200000000200) = 0 [pid 5935] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5935] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... futex resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5927] sendmmsg(4, [pid 5926] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5932] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5929] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5929] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = 0 [pid 5929] <... futex resumed>) = 1 [pid 5934] recvmmsg(3, [pid 5929] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5934] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5934] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... futex resumed>) = 0 [pid 5934] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5929] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... mremap resumed>) = 0x200000a00000 [pid 5934] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5934] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5934] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5929] <... futex resumed>) = 0 [pid 5934] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5929] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5934] <... mremap resumed>) = 0x200000a00000 [pid 5934] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5929] <... futex resumed>) = 0 [pid 5934] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5926] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = 0 [pid 5926] <... futex resumed>) = 1 [pid 5935] recvmmsg(3, [pid 5926] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5935] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5935] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5935] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5926] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5935] <... mremap resumed>) = 0x200000a00000 [pid 5923] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5935] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5840] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5935] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5926] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5935] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5926] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5935] <... mremap resumed>) = 0x200000a00000 [pid 5935] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... openat resumed>) = 3 [pid 5935] <... futex resumed>) = 1 [pid 5926] <... futex resumed>) = 0 [pid 5935] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/binderfs") = 0 [pid 5840] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/cgroup.net") = 0 [pid 5840] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/cgroup.cpu") = 0 [pid 5840] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./4/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./4") = 0 [pid 5840] mkdir("./5", 0777 [pid 5931] <... mmap resumed>) = 0x200000000000 [pid 5928] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5840] <... mkdir resumed>) = 0 [pid 5931] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5931] <... futex resumed>) = 0 [pid 5928] <... mprotect resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5931] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 5936 attached [pid 5936] set_robust_list(0x55558030a6a0, 24 [pid 5928] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5937 attached [pid 5937] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5928] <... clone3 resumed> => {parent_tid=[16]}, 88) = 16 [pid 5937] <... rseq resumed>) = 0 [pid 5928] rt_sigprocmask(SIG_SETMASK, [], [pid 5937] set_robust_list(0x7fb5e51079a0, 24 [pid 5928] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5937] <... set_robust_list resumed>) = 0 [pid 5928] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] rt_sigprocmask(SIG_SETMASK, [], [pid 5928] <... futex resumed>) = 0 [pid 5937] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5936] <... set_robust_list resumed>) = 0 [pid 5928] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 17 [pid 5937] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5936] chdir("./5") = 0 [pid 5937] <... socketpair resumed>0x200000000200) = 0 [pid 5937] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5937] <... futex resumed>) = 1 [pid 5936] <... prctl resumed>) = 0 [pid 5928] <... futex resumed>) = 0 [pid 5937] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] setpgid(0, 0 [pid 5931] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 1 [pid 5936] <... setpgid resumed>) = 0 [pid 5931] sendmmsg(4, [pid 5928] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5936] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5936] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5936] write(3, "1000", 4) = 4 [pid 5936] close(3) = 0 [pid 5936] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5936] write(1, "executing program\n", 18) = 18 [pid 5936] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5936] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5936] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5936] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5938 attached [pid 5938] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5938] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5938] rt_sigprocmask(SIG_SETMASK, [], [pid 5936] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5938] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5938] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5936] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5938] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5938] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5936] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5928] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = 1 [pid 5937] recvmmsg(3, [pid 5928] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5937] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5937] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5928] <... futex resumed>) = 0 [pid 5937] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5928] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... mremap resumed>) = 0x200000a00000 [pid 5937] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5928] <... futex resumed>) = 0 [pid 5937] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5928] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5937] <... mremap resumed>) = 0x200000a00000 [pid 5928] <... futex resumed>) = 0 [pid 5937] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5937] <... futex resumed>) = 0 [pid 5928] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5937] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5936] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5933] <... mmap resumed>) = 0x200000000000 [pid 5932] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5933] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5933] <... futex resumed>) = 0 [pid 5932] <... mprotect resumed>) = 0 [pid 5933] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5932] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5939 attached [pid 5939] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5932] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 5939] <... rseq resumed>) = 0 [pid 5939] set_robust_list(0x7fb5e51079a0, 24 [pid 5932] rt_sigprocmask(SIG_SETMASK, [], [pid 5939] <... set_robust_list resumed>) = 0 [pid 5939] rt_sigprocmask(SIG_SETMASK, [], [pid 5932] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5939] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5932] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5932] <... futex resumed>) = 0 [pid 5939] <... socketpair resumed>0x200000000200) = 0 [pid 5939] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5939] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5933] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 1 [pid 5933] sendmmsg(4, [pid 5932] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5932] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5932] <... futex resumed>) = 1 [pid 5939] recvmmsg(3, [pid 5932] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5939] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5939] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5932] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000) = 0x200000a00000 [pid 5932] <... futex resumed>) = 0 [pid 5939] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5938] <... mmap resumed>) = 0x200000000000 [pid 5936] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5932] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5939] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5936] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5932] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5938] <... futex resumed>) = 0 [pid 5938] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 0 [pid 5936] <... mprotect resumed>) = 0 [pid 5932] <... futex resumed>) = 1 [pid 5939] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5932] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5936] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5936] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} => {parent_tid=[19]}, 88) = 19 [pid 5936] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5936] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 5940 attached [pid 5936] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5940] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5940] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5940] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5939] <... mremap resumed>) = 0x200000a00000 [pid 5940] <... socketpair resumed>0x200000000200) = 0 [pid 5939] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5939] <... futex resumed>) = 1 [pid 5932] <... futex resumed>) = 0 [pid 5940] <... futex resumed>) = 1 [pid 5939] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] <... futex resumed>) = 0 [pid 5936] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5938] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5938] sendmmsg(4, [pid 5936] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5936] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = 0 [pid 5936] <... futex resumed>) = 1 [pid 5936] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5940] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5940] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5940] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5936] <... futex resumed>) = 0 [pid 5936] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... mremap resumed>) = 0x200000a00000 [pid 5940] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5940] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5936] <... futex resumed>) = 0 [pid 5940] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5936] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5940] <... mremap resumed>) = 0x200000a00000 [pid 5940] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5936] <... futex resumed>) = 0 [pid 5940] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] close(3 [pid 5930] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5930] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5929] <... close resumed>) = 0 [pid 5930] <... futex resumed>) = 0 [pid 5929] close(4 [pid 5930] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5929] <... close resumed>) = 0 [pid 5929] close(5) = -1 EBADF (Bad file descriptor) [pid 5929] close(6) = -1 EBADF (Bad file descriptor) [pid 5929] close(7) = -1 EBADF (Bad file descriptor) [pid 5929] close(8) = -1 EBADF (Bad file descriptor) [pid 5929] close(9) = -1 EBADF (Bad file descriptor) [pid 5929] close(10) = -1 EBADF (Bad file descriptor) [pid 5929] close(11) = -1 EBADF (Bad file descriptor) [pid 5929] close(12) = -1 EBADF (Bad file descriptor) [pid 5929] close(13) = -1 EBADF (Bad file descriptor) [pid 5929] close(14) = -1 EBADF (Bad file descriptor) [pid 5929] close(15) = -1 EBADF (Bad file descriptor) [pid 5929] close(16) = -1 EBADF (Bad file descriptor) [pid 5929] close(17) = -1 EBADF (Bad file descriptor) [pid 5929] close(18) = -1 EBADF (Bad file descriptor) [pid 5929] close(19) = -1 EBADF (Bad file descriptor) [pid 5929] close(20) = -1 EBADF (Bad file descriptor) [pid 5929] close(21) = -1 EBADF (Bad file descriptor) [pid 5929] close(22) = -1 EBADF (Bad file descriptor) [pid 5929] close(23) = -1 EBADF (Bad file descriptor) [pid 5929] close(24) = -1 EBADF (Bad file descriptor) [pid 5929] close(25) = -1 EBADF (Bad file descriptor) [pid 5929] close(26) = -1 EBADF (Bad file descriptor) [pid 5929] close(27) = -1 EBADF (Bad file descriptor) [pid 5929] close(28) = -1 EBADF (Bad file descriptor) [pid 5929] close(29) = -1 EBADF (Bad file descriptor) [pid 5926] close(3 [pid 5929] exit_group(0 [pid 5930] <... futex resumed>) = ? [pid 5929] <... exit_group resumed>) = ? [pid 5934] <... futex resumed>) = ? [pid 5930] +++ exited with 0 +++ [pid 5934] +++ exited with 0 +++ [pid 5927] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5927] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5926] <... close resumed>) = 0 [pid 5927] <... futex resumed>) = 0 [pid 5926] close(4 [pid 5927] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5926] <... close resumed>) = 0 [pid 5926] close(5) = -1 EBADF (Bad file descriptor) [pid 5926] close(6) = -1 EBADF (Bad file descriptor) [pid 5926] close(7) = -1 EBADF (Bad file descriptor) [pid 5926] close(8) = -1 EBADF (Bad file descriptor) [pid 5926] close(9) = -1 EBADF (Bad file descriptor) [pid 5926] close(10) = -1 EBADF (Bad file descriptor) [pid 5926] close(11) = -1 EBADF (Bad file descriptor) [pid 5926] close(12) = -1 EBADF (Bad file descriptor) [pid 5926] close(13) = -1 EBADF (Bad file descriptor) [pid 5926] close(14) = -1 EBADF (Bad file descriptor) [pid 5926] close(15) = -1 EBADF (Bad file descriptor) [pid 5926] close(16) = -1 EBADF (Bad file descriptor) [pid 5926] close(17) = -1 EBADF (Bad file descriptor) [pid 5926] close(18) = -1 EBADF (Bad file descriptor) [pid 5926] close(19) = -1 EBADF (Bad file descriptor) [pid 5926] close(20) = -1 EBADF (Bad file descriptor) [pid 5926] close(21) = -1 EBADF (Bad file descriptor) [pid 5926] close(22) = -1 EBADF (Bad file descriptor) [pid 5926] close(23) = -1 EBADF (Bad file descriptor) [pid 5926] close(24) = -1 EBADF (Bad file descriptor) [pid 5926] close(25) = -1 EBADF (Bad file descriptor) [pid 5926] close(26) = -1 EBADF (Bad file descriptor) [pid 5926] close(27) = -1 EBADF (Bad file descriptor) [pid 5926] close(28) = -1 EBADF (Bad file descriptor) [pid 5926] close(29) = -1 EBADF (Bad file descriptor) [pid 5926] exit_group(0 [pid 5929] +++ exited with 0 +++ [pid 5935] <... futex resumed>) = ? [pid 5927] <... futex resumed>) = ? [pid 5926] <... exit_group resumed>) = ? [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5935] +++ exited with 0 +++ [pid 5927] +++ exited with 0 +++ [pid 5843] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./4/binderfs") = 0 [pid 5843] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./4/cgroup.net") = 0 [pid 5843] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./4/cgroup.cpu") = 0 [pid 5843] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./4/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./4/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./4") = 0 [pid 5843] mkdir("./5", 0777) = 0 [pid 5926] +++ exited with 0 +++ [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 5941 attached ) = 0 [pid 5941] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5941] chdir("./5") = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 17 [pid 5842] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] setpgid(0, 0) = 0 [pid 5842] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5941] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5941] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5842] <... openat resumed>) = 3 [pid 5941] <... symlink resumed>) = 0 [pid 5928] close(3 [pid 5941] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5842] newfstatat(3, "", [pid 5941] <... symlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] getdents64(3, [pid 5941] <... openat resumed>) = 3 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5941] write(3, "1000", 4 [pid 5842] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5941] <... write resumed>) = 4 [pid 5941] close(3) = 0 [pid 5842] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5941] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5941] <... symlink resumed>) = 0 executing program [pid 5842] unlink("./5/binderfs" [pid 5941] write(1, "executing program\n", 18 [pid 5931] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5842] <... unlink resumed>) = 0 [pid 5941] <... write resumed>) = 18 [pid 5931] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5931] <... futex resumed>) = 0 [pid 5928] <... close resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] <... futex resumed>) = 0 [pid 5931] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5928] close(4 [pid 5842] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 5941] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5928] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5941] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5928] close(5 [pid 5842] unlink("./5/cgroup.net" [pid 5941] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5928] close(6 [pid 5941] <... mmap resumed>) = 0x7fb5e5108000 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5941] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5928] close(7 [pid 5842] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5941] <... mprotect resumed>) = 0 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5928] close(8 [pid 5941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5928] close(9./strace-static-x86_64: Process 5942 attached ) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5942] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5941] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5928] close(10 [pid 5942] <... rseq resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5942] set_robust_list(0x7fb5e51289a0, 24 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5928] close(11 [pid 5942] <... set_robust_list resumed>) = 0 [pid 5941] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./5/cgroup.cpu" [pid 5942] rt_sigprocmask(SIG_SETMASK, [], [pid 5941] <... futex resumed>) = 0 [pid 5928] close(12 [pid 5942] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] close(13) = -1 EBADF (Bad file descriptor) [pid 5942] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5928] close(14 [pid 5842] <... unlink resumed>) = 0 [pid 5928] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5928] close(15) = -1 EBADF (Bad file descriptor) [pid 5928] close(16) = -1 EBADF (Bad file descriptor) [pid 5928] close(17) = -1 EBADF (Bad file descriptor) [pid 5928] close(18) = -1 EBADF (Bad file descriptor) [pid 5928] close(19) = -1 EBADF (Bad file descriptor) [pid 5928] close(20) = -1 EBADF (Bad file descriptor) [pid 5928] close(21) = -1 EBADF (Bad file descriptor) [pid 5928] close(22) = -1 EBADF (Bad file descriptor) [pid 5928] close(23) = -1 EBADF (Bad file descriptor) [pid 5928] close(24) = -1 EBADF (Bad file descriptor) [pid 5928] close(25) = -1 EBADF (Bad file descriptor) [pid 5928] close(26) = -1 EBADF (Bad file descriptor) [pid 5928] close(27) = -1 EBADF (Bad file descriptor) [pid 5928] close(28) = -1 EBADF (Bad file descriptor) [pid 5928] close(29) = -1 EBADF (Bad file descriptor) [pid 5928] exit_group(0) = ? [pid 5937] <... futex resumed>) = ? [pid 5931] <... futex resumed>) = ? [pid 5842] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5937] +++ exited with 0 +++ [pid 5842] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./5/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./5") = 0 [pid 5842] mkdir("./6", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5943 attached [pid 5943] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 20 [pid 5943] <... set_robust_list resumed>) = 0 [pid 5943] chdir("./6") = 0 [pid 5943] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5943] setpgid(0, 0) = 0 [pid 5943] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5943] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5941] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] <... symlink resumed>) = 0 [pid 5943] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5943] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5943] <... openat resumed>) = 3 [pid 5943] write(3, "1000", 4) = 4 [pid 5943] close(3) = 0 [pid 5943] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5943] write(1, "executing program\n", 18) = 18 [pid 5943] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5943] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5943] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5932] close(3 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5944 attached [pid 5944] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5943] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5944] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5944] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] <... futex resumed>) = 0 [pid 5944] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5943] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5932] <... close resumed>) = 0 [pid 5932] close(4) = 0 [pid 5932] close(5) = -1 EBADF (Bad file descriptor) [pid 5932] close(6) = -1 EBADF (Bad file descriptor) [pid 5932] close(7) = -1 EBADF (Bad file descriptor) [pid 5932] close(8) = -1 EBADF (Bad file descriptor) [pid 5932] close(9) = -1 EBADF (Bad file descriptor) [pid 5932] close(10) = -1 EBADF (Bad file descriptor) [pid 5932] close(11) = -1 EBADF (Bad file descriptor) [pid 5932] close(12) = -1 EBADF (Bad file descriptor) [pid 5932] close(13) = -1 EBADF (Bad file descriptor) [pid 5932] close(14) = -1 EBADF (Bad file descriptor) [pid 5932] close(15) = -1 EBADF (Bad file descriptor) [pid 5932] close(16) = -1 EBADF (Bad file descriptor) [pid 5932] close(17) = -1 EBADF (Bad file descriptor) [pid 5932] close(18 [pid 5933] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5933] <... futex resumed>) = 0 [pid 5932] close(19 [pid 5933] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5932] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5932] close(20) = -1 EBADF (Bad file descriptor) [pid 5932] close(21) = -1 EBADF (Bad file descriptor) [pid 5932] close(22) = -1 EBADF (Bad file descriptor) [pid 5932] close(23) = -1 EBADF (Bad file descriptor) [pid 5932] close(24) = -1 EBADF (Bad file descriptor) [pid 5932] close(25) = -1 EBADF (Bad file descriptor) [pid 5932] close(26) = -1 EBADF (Bad file descriptor) [pid 5932] close(27) = -1 EBADF (Bad file descriptor) [pid 5932] close(28) = -1 EBADF (Bad file descriptor) [pid 5932] close(29) = -1 EBADF (Bad file descriptor) [pid 5932] exit_group(0 [pid 5939] <... futex resumed>) = ? [pid 5933] <... futex resumed>) = ? [pid 5932] <... exit_group resumed>) = ? [pid 5939] +++ exited with 0 +++ [pid 5931] +++ exited with 0 +++ [pid 5928] +++ exited with 0 +++ [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5943] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=14, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5841] umount2("./4", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./4", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./4/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./4/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./4/binderfs") = 0 [pid 5841] umount2("./4/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./4/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./4/cgroup.net") = 0 [pid 5936] close(3 [pid 5841] umount2("./4/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./4/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./4/cgroup.cpu" [pid 5938] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5841] <... unlink resumed>) = 0 [pid 5938] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5936] <... close resumed>) = 0 [pid 5938] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5936] close(4) = 0 [pid 5936] close(5) = -1 EBADF (Bad file descriptor) [pid 5936] close(6) = -1 EBADF (Bad file descriptor) [pid 5936] close(7) = -1 EBADF (Bad file descriptor) [pid 5936] close(8) = -1 EBADF (Bad file descriptor) [pid 5936] close(9) = -1 EBADF (Bad file descriptor) [pid 5936] close(10) = -1 EBADF (Bad file descriptor) [pid 5936] close(11) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./4/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5936] close(12) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5936] close(13) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./4/cgroup", [pid 5936] close(14) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5936] close(15 [pid 5841] unlink("./4/cgroup" [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... unlink resumed>) = 0 [pid 5936] close(16) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 5936] close(17 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(18 [pid 5841] close(3 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... close resumed>) = 0 [pid 5936] close(19 [pid 5841] rmdir("./4" [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... rmdir resumed>) = 0 [pid 5936] close(20 [pid 5841] mkdir("./5", 0777 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... mkdir resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5945 attached [pid 5936] close(21 [pid 5945] set_robust_list(0x55558030a6a0, 24 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(22) = -1 EBADF (Bad file descriptor) [pid 5936] close(23) = -1 EBADF (Bad file descriptor) [pid 5936] close(24) = -1 EBADF (Bad file descriptor) [pid 5936] close(25 [pid 5945] <... set_robust_list resumed>) = 0 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5936] close(26) = -1 EBADF (Bad file descriptor) [pid 5936] close(27 [pid 5945] chdir("./5" [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 17 [pid 5936] close(28 [pid 5945] <... chdir resumed>) = 0 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5936] close(29 [pid 5945] <... prctl resumed>) = 0 [pid 5936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] setpgid(0, 0 [pid 5936] exit_group(0 [pid 5945] <... setpgid resumed>) = 0 [pid 5940] <... futex resumed>) = ? [pid 5938] <... futex resumed>) = ? [pid 5936] <... exit_group resumed>) = ? [pid 5945] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5940] +++ exited with 0 +++ [pid 5938] +++ exited with 0 +++ [pid 5945] <... symlink resumed>) = 0 [pid 5945] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 5945] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5945] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5945] write(3, "1000", 4) = 4 [pid 5945] close(3) = 0 [pid 5945] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5945] write(1, "executing program\n", 18) = 18 [pid 5945] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5945] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5945] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5945] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5946 attached [pid 5946] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5945] <... clone3 resumed> => {parent_tid=[18]}, 88) = 18 [pid 5946] set_robust_list(0x7fb5e51289a0, 24 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5946] <... set_robust_list resumed>) = 0 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5946] rt_sigprocmask(SIG_SETMASK, [], [pid 5945] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5946] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5945] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5933] +++ exited with 0 +++ [pid 5932] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./5/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./5/binderfs") = 0 [pid 5844] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./5/cgroup.net" [pid 5945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] <... unlink resumed>) = 0 [pid 5945] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5844] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5945] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./5/cgroup.cpu") = 0 [pid 5844] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./5/cgroup") = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./5") = 0 [pid 5844] mkdir("./6", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5947 attached [pid 5947] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 20 [pid 5947] chdir("./6") = 0 [pid 5947] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5947] setpgid(0, 0) = 0 [pid 5936] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5947] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5947] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5947] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5947] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5947] write(3, "1000", 4) = 4 [pid 5947] close(3) = 0 [pid 5947] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5947] write(1, "executing program\n", 18executing program ) = 18 [pid 5947] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5947] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5947] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5947] <... mmap resumed>) = 0x7fb5e5108000 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5947] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5840] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5947] <... mprotect resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] unlink("./5/binderfs" [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./5/cgroup.net") = 0 [pid 5840] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./5/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./5/cgroup.cpu") = 0 [pid 5840] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./5/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./5/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5840] rmdir("./5"./strace-static-x86_64: Process 5948 attached ) = 0 [pid 5948] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5947] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5840] mkdir("./6", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5949 attached [pid 5948] <... rseq resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5942] <... mmap resumed>) = 0x200000000000 [pid 5941] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5948] set_robust_list(0x7fb5e51289a0, 24 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5941] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5948] <... set_robust_list resumed>) = 0 [pid 5947] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... mprotect resumed>) = 0 [pid 5948] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... futex resumed>) = 0 [pid 5941] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5948] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5949] set_robust_list(0x55558030a6a0, 24 [pid 5948] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5942] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 20 [pid 5949] <... set_robust_list resumed>) = 0 [pid 5942] <... futex resumed>) = 0 [pid 5949] chdir("./6" [pid 5942] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... chdir resumed>) = 0 [pid 5949] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5949] setpgid(0, 0) = 0 [pid 5949] symlink("/syzcgroup/unified/syz0", "./cgroup"./strace-static-x86_64: Process 5950 attached ) = 0 [pid 5941] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 5950] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5941] rt_sigprocmask(SIG_SETMASK, [], [pid 5950] <... rseq resumed>) = 0 [pid 5941] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5950] set_robust_list(0x7fb5e51079a0, 24 [pid 5941] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... set_robust_list resumed>) = 0 [pid 5949] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5941] <... futex resumed>) = 0 [pid 5950] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5949] <... symlink resumed>) = 0 [pid 5941] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5949] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5950] <... socketpair resumed>0x200000000200) = 0 [pid 5950] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... symlink resumed>) = 0 [pid 5950] <... futex resumed>) = 1 [pid 5941] <... futex resumed>) = 0 [pid 5949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5950] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... openat resumed>) = 3 [pid 5942] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5949] write(3, "1000", 4 [pid 5942] sendmmsg(4, [pid 5941] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... write resumed>) = 4 [pid 5949] close(3) = 0 [pid 5949] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5949] write(1, "executing program\n", 18) = 18 [pid 5949] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5949] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5949] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5947] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5949] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5949] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5951 attached [pid 5951] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5951] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5951] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5951] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5949] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5951] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5949] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5941] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5941] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] <... futex resumed>) = 0 [pid 5941] <... futex resumed>) = 1 [pid 5950] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5941] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 0 [pid 5941] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5941] <... futex resumed>) = 0 [pid 5950] <... mremap resumed>) = 0x200000a00000 [pid 5941] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] <... futex resumed>) = 0 [pid 5941] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5950] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5941] <... futex resumed>) = 0 [pid 5950] <... mremap resumed>) = 0x200000a00000 [pid 5941] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5950] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5950] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5946] <... mmap resumed>) = 0x200000000000 [pid 5945] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5946] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5949] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5946] <... futex resumed>) = 0 [pid 5949] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... mprotect resumed>) = 0 [pid 5949] <... futex resumed>) = 0 [pid 5946] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5945] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5945] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5952 attached [pid 5952] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5945] <... clone3 resumed> => {parent_tid=[19]}, 88) = 19 [pid 5952] <... rseq resumed>) = 0 [pid 5945] rt_sigprocmask(SIG_SETMASK, [], [pid 5952] set_robust_list(0x7fb5e51079a0, 24 [pid 5945] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5952] <... set_robust_list resumed>) = 0 [pid 5952] rt_sigprocmask(SIG_SETMASK, [], [pid 5945] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5945] <... futex resumed>) = 0 [pid 5952] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5945] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] <... socketpair resumed>0x200000000200) = 0 [pid 5952] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5952] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5946] <... futex resumed>) = 0 [pid 5945] <... futex resumed>) = 1 [pid 5946] sendmmsg(4, [pid 5945] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5944] <... mmap resumed>) = 0x200000000000 [pid 5943] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5944] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5944] <... futex resumed>) = 0 [pid 5944] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] <... mprotect resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5943] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5953 attached [pid 5953] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5943] <... clone3 resumed> => {parent_tid=[22]}, 88) = 22 [pid 5953] <... rseq resumed>) = 0 [pid 5943] rt_sigprocmask(SIG_SETMASK, [], [pid 5953] set_robust_list(0x7fb5e51079a0, 24 [pid 5943] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5953] <... set_robust_list resumed>) = 0 [pid 5943] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] rt_sigprocmask(SIG_SETMASK, [], [pid 5943] <... futex resumed>) = 0 [pid 5953] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5943] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5953] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5953] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5944] sendmmsg(4, [pid 5943] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5945] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5945] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5952] <... futex resumed>) = 0 [pid 5945] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5952] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5952] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5943] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5943] <... futex resumed>) = 1 [pid 5953] <... futex resumed>) = 0 [pid 5952] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] recvmmsg(3, [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5952] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5945] <... futex resumed>) = 0 [pid 5953] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5953] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5953] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5952] <... mremap resumed>) = 0x200000a00000 [pid 5943] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... mremap resumed>) = 0x200000a00000 [pid 5952] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5952] <... futex resumed>) = 1 [pid 5945] <... futex resumed>) = 0 [pid 5953] <... futex resumed>) = 1 [pid 5952] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] <... futex resumed>) = 0 [pid 5945] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5945] <... futex resumed>) = 0 [pid 5943] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5953] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5952] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5945] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5943] <... futex resumed>) = 0 [pid 5953] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5952] <... mremap resumed>) = 0x200000a00000 [pid 5943] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5953] <... mremap resumed>) = 0x200000a00000 [pid 5952] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5953] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] <... futex resumed>) = 0 [pid 5952] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5953] <... futex resumed>) = 1 [pid 5943] <... futex resumed>) = 0 [pid 5953] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5948] <... mmap resumed>) = 0x200000000000 [pid 5947] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5948] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5947] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5948] <... futex resumed>) = 0 [pid 5947] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5948] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5954 attached [pid 5954] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5947] <... clone3 resumed> => {parent_tid=[22]}, 88) = 22 [pid 5954] <... rseq resumed>) = 0 [pid 5947] rt_sigprocmask(SIG_SETMASK, [], [pid 5954] set_robust_list(0x7fb5e51079a0, 24 [pid 5947] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5954] <... set_robust_list resumed>) = 0 [pid 5947] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... futex resumed>) = 0 [pid 5954] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5954] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5954] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5948] sendmmsg(4, [pid 5947] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... mmap resumed>) = 0x200000000000 [pid 5949] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5951] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5951] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5949] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5947] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5949] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5947] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = 0 [pid 5947] <... futex resumed>) = 1 [pid 5954] recvmmsg(3, [pid 5947] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5949] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5954] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5955 attached ) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5955] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5954] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... clone3 resumed> => {parent_tid=[22]}, 88) = 22 [pid 5947] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] rt_sigprocmask(SIG_SETMASK, [], [pid 5955] <... rseq resumed>) = 0 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5949] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] <... futex resumed>) = 0 [pid 5955] set_robust_list(0x7fb5e51079a0, 24 [pid 5954] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5949] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5947] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... set_robust_list resumed>) = 0 [pid 5954] <... mremap resumed>) = 0x200000a00000 [pid 5949] <... futex resumed>) = 0 [pid 5955] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5955] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5954] <... futex resumed>) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5955] <... socketpair resumed>0x200000000200) = 0 [pid 5954] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5947] <... futex resumed>) = 0 [pid 5955] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5954] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5947] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... futex resumed>) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5955] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5951] <... futex resumed>) = 0 [pid 5951] sendmmsg(4, [pid 5949] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5954] <... mremap resumed>) = 0x200000a00000 [pid 5954] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5947] <... futex resumed>) = 0 [pid 5954] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5949] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5955] recvmmsg(3, [pid 5949] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5955] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5955] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... futex resumed>) = 0 [pid 5949] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5955] <... futex resumed>) = 0 [pid 5949] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000) = 0x200000a00000 [pid 5955] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5955] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] <... futex resumed>) = 0 [pid 5949] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5955] <... futex resumed>) = 0 [pid 5949] <... futex resumed>) = 1 [pid 5955] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5949] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5955] <... mremap resumed>) = 0x200000a00000 [pid 5955] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5949] <... futex resumed>) = 0 [pid 5955] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] close(3 [pid 5942] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5942] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5942] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5941] <... close resumed>) = 0 [pid 5941] close(4) = 0 [pid 5941] close(5) = -1 EBADF (Bad file descriptor) [pid 5941] close(6) = -1 EBADF (Bad file descriptor) [pid 5941] close(7) = -1 EBADF (Bad file descriptor) [pid 5941] close(8) = -1 EBADF (Bad file descriptor) [pid 5941] close(9) = -1 EBADF (Bad file descriptor) [pid 5941] close(10) = -1 EBADF (Bad file descriptor) [pid 5941] close(11) = -1 EBADF (Bad file descriptor) [pid 5941] close(12) = -1 EBADF (Bad file descriptor) [pid 5941] close(13) = -1 EBADF (Bad file descriptor) [pid 5941] close(14) = -1 EBADF (Bad file descriptor) [pid 5941] close(15) = -1 EBADF (Bad file descriptor) [pid 5941] close(16) = -1 EBADF (Bad file descriptor) [pid 5941] close(17) = -1 EBADF (Bad file descriptor) [pid 5941] close(18) = -1 EBADF (Bad file descriptor) [pid 5941] close(19) = -1 EBADF (Bad file descriptor) [pid 5941] close(20) = -1 EBADF (Bad file descriptor) [pid 5941] close(21) = -1 EBADF (Bad file descriptor) [pid 5941] close(22) = -1 EBADF (Bad file descriptor) [pid 5941] close(23) = -1 EBADF (Bad file descriptor) [pid 5941] close(24) = -1 EBADF (Bad file descriptor) [pid 5941] close(25) = -1 EBADF (Bad file descriptor) [pid 5941] close(26) = -1 EBADF (Bad file descriptor) [pid 5941] close(27) = -1 EBADF (Bad file descriptor) [pid 5941] close(28) = -1 EBADF (Bad file descriptor) [pid 5941] close(29) = -1 EBADF (Bad file descriptor) [pid 5941] exit_group(0 [pid 5950] <... futex resumed>) = ? [pid 5942] <... futex resumed>) = ? [pid 5941] <... exit_group resumed>) = ? [pid 5950] +++ exited with 0 +++ [pid 5945] close(3 [pid 5943] close(3 [pid 5946] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5945] <... close resumed>) = 0 [pid 5944] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5943] <... close resumed>) = 0 [pid 5944] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5943] close(4 [pid 5946] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5945] close(4 [pid 5944] <... futex resumed>) = 0 [pid 5943] <... close resumed>) = 0 [pid 5946] <... futex resumed>) = 0 [pid 5944] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5943] close(5 [pid 5946] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5945] <... close resumed>) = 0 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(6) = -1 EBADF (Bad file descriptor) [pid 5943] close(7) = -1 EBADF (Bad file descriptor) [pid 5943] close(8) = -1 EBADF (Bad file descriptor) [pid 5943] close(9) = -1 EBADF (Bad file descriptor) [pid 5943] close(10) = -1 EBADF (Bad file descriptor) [pid 5943] close(11) = -1 EBADF (Bad file descriptor) [pid 5943] close(12) = -1 EBADF (Bad file descriptor) [pid 5943] close(13) = -1 EBADF (Bad file descriptor) [pid 5943] close(14) = -1 EBADF (Bad file descriptor) [pid 5943] close(15) = -1 EBADF (Bad file descriptor) [pid 5943] close(16) = -1 EBADF (Bad file descriptor) [pid 5945] close(5 [pid 5943] close(17 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(18) = -1 EBADF (Bad file descriptor) [pid 5943] close(19 [pid 5945] close(6 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(20 [pid 5945] close(7 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(21) = -1 EBADF (Bad file descriptor) [pid 5943] close(22 [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] close(8 [pid 5943] close(23) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(24 [pid 5945] close(9 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(25 [pid 5945] close(10 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(26 [pid 5945] close(11 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(27 [pid 5945] close(12 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(28 [pid 5945] close(13 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] close(29 [pid 5945] close(14 [pid 5943] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5943] exit_group(0 [pid 5945] close(15 [pid 5943] <... exit_group resumed>) = ? [pid 5953] <... futex resumed>) = ? [pid 5945] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5944] <... futex resumed>) = ? [pid 5953] +++ exited with 0 +++ [pid 5945] close(16) = -1 EBADF (Bad file descriptor) [pid 5945] close(17) = -1 EBADF (Bad file descriptor) [pid 5945] close(18) = -1 EBADF (Bad file descriptor) [pid 5945] close(19) = -1 EBADF (Bad file descriptor) [pid 5945] close(20) = -1 EBADF (Bad file descriptor) [pid 5945] close(21) = -1 EBADF (Bad file descriptor) [pid 5945] close(22) = -1 EBADF (Bad file descriptor) [pid 5945] close(23) = -1 EBADF (Bad file descriptor) [pid 5945] close(24) = -1 EBADF (Bad file descriptor) [pid 5945] close(25) = -1 EBADF (Bad file descriptor) [pid 5945] close(26) = -1 EBADF (Bad file descriptor) [pid 5945] close(27) = -1 EBADF (Bad file descriptor) [pid 5945] close(28) = -1 EBADF (Bad file descriptor) [pid 5945] close(29) = -1 EBADF (Bad file descriptor) [pid 5945] exit_group(0 [pid 5952] <... futex resumed>) = ? [pid 5946] <... futex resumed>) = ? [pid 5945] <... exit_group resumed>) = ? [pid 5952] +++ exited with 0 +++ [pid 5946] +++ exited with 0 +++ [pid 5942] +++ exited with 0 +++ [pid 5941] +++ exited with 0 +++ [pid 5944] +++ exited with 0 +++ [pid 5943] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5843] <... restart_syscall resumed>) = 0 [pid 5842] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... openat resumed>) = 3 [pid 5842] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5843] newfstatat(3, "", [pid 5842] <... openat resumed>) = 3 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] newfstatat(3, "", [pid 5843] getdents64(3, [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] getdents64(3, [pid 5843] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5842] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] unlink("./5/binderfs" [pid 5842] newfstatat(AT_FDCWD, "./6/binderfs", [pid 5843] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./6/binderfs" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... unlink resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./5/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] unlink("./5/cgroup.net" [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] <... unlink resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./6/cgroup.net", [pid 5843] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5842] unlink("./6/cgroup.net" [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5843] unlink("./5/cgroup.cpu" [pid 5842] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] newfstatat(AT_FDCWD, "./6/cgroup.cpu", [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5842] unlink("./6/cgroup.cpu" [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5843] unlink("./5/cgroup" [pid 5842] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] getdents64(3, [pid 5842] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5945] +++ exited with 0 +++ [pid 5843] close(3) = 0 [pid 5842] unlink("./6/cgroup" [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=17, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5843] rmdir("./5" [pid 5842] <... unlink resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 5843] mkdir("./6", 0777 [pid 5842] getdents64(3, [pid 5843] <... mkdir resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... close resumed>) = 0 ./strace-static-x86_64: Process 5956 attached [pid 5842] rmdir("./6" [pid 5841] umount2("./5", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5956] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 20 [pid 5956] <... set_robust_list resumed>) = 0 [pid 5842] <... rmdir resumed>) = 0 [pid 5956] chdir("./6" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] mkdir("./7", 0777 [pid 5841] openat(AT_FDCWD, "./5", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5956] <... chdir resumed>) = 0 [pid 5956] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5842] <... mkdir resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5956] <... prctl resumed>) = 0 [pid 5956] setpgid(0, 0) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] newfstatat(3, "", [pid 5956] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5947] close(3 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5956] <... symlink resumed>) = 0 [pid 5841] getdents64(3, [pid 5956] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./5/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 5957 attached [pid 5841] newfstatat(AT_FDCWD, "./5/binderfs", [pid 5957] set_robust_list(0x55558030a6a0, 24 [pid 5956] <... symlink resumed>) = 0 [pid 5957] <... set_robust_list resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5957] chdir("./7" [pid 5841] unlink("./5/binderfs" [pid 5956] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 23 [pid 5957] <... chdir resumed>) = 0 [pid 5956] <... symlink resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5957] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5956] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5957] <... prctl resumed>) = 0 [pid 5841] umount2("./5/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5957] setpgid(0, 0 [pid 5956] <... openat resumed>) = 3 [pid 5957] <... setpgid resumed>) = 0 [pid 5956] write(3, "1000", 4 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5957] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5956] <... write resumed>) = 4 [pid 5957] <... symlink resumed>) = 0 [pid 5956] close(3 [pid 5841] newfstatat(AT_FDCWD, "./5/cgroup.net", [pid 5956] <... close resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5956] symlink("/dev/binderfs", "./binderfs" [pid 5957] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5956] <... symlink resumed>) = 0 [pid 5841] unlink("./5/cgroup.net" [pid 5957] <... symlink resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5841] umount2("./5/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5957] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5956] write(1, "executing program\n", 18executing program [pid 5841] newfstatat(AT_FDCWD, "./5/cgroup.cpu", [pid 5957] <... symlink resumed>) = 0 [pid 5956] <... write resumed>) = 18 [pid 5948] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5957] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5956] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5948] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5957] <... openat resumed>) = 3 [pid 5956] <... futex resumed>) = 0 [pid 5948] <... futex resumed>) = 0 [pid 5841] unlink("./5/cgroup.cpu" [pid 5956] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5947] <... close resumed>) = 0 [pid 5957] write(3, "1000", 4 [pid 5956] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5948] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5947] close(4 [pid 5841] <... unlink resumed>) = 0 [pid 5957] <... write resumed>) = 4 [pid 5956] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5947] <... close resumed>) = 0 [pid 5841] umount2("./5/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5957] close(3 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... close resumed>) = 0 [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5957] symlink("/dev/binderfs", "./binderfs" [pid 5947] close(5 [pid 5841] newfstatat(AT_FDCWD, "./5/cgroup", [pid 5956] <... mmap resumed>) = 0x7fb5e5108000 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5957] <... symlink resumed>) = 0 [pid 5956] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5949] close(3 [pid 5947] close(6 [pid 5956] <... mprotect resumed>) = 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5947] close(7 [pid 5956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./5/cgroup" [pid 5957] write(1, "executing program\n", 18./strace-static-x86_64: Process 5958 attached executing program [pid 5958] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5957] <... write resumed>) = 18 [pid 5956] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5947] close(8 [pid 5841] <... unlink resumed>) = 0 [pid 5958] <... rseq resumed>) = 0 [pid 5957] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 5958] set_robust_list(0x7fb5e51289a0, 24 [pid 5957] <... futex resumed>) = 0 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5947] close(9 [pid 5958] <... set_robust_list resumed>) = 0 [pid 5957] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5958] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5956] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5951] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5949] <... close resumed>) = 0 [pid 5947] close(10 [pid 5841] close(3 [pid 5958] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5956] <... futex resumed>) = 0 [pid 5951] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] close(4 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5958] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5951] <... futex resumed>) = 0 [pid 5949] <... close resumed>) = 0 [pid 5947] close(11 [pid 5841] <... close resumed>) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5951] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5949] close(5 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./5" [pid 5957] <... mmap resumed>) = 0x7fb5e5108000 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(12 [pid 5957] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5949] close(6 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... rmdir resumed>) = 0 [pid 5957] <... mprotect resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] close(7 [pid 5947] close(13 [pid 5841] mkdir("./6", 0777 [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(14) = -1 EBADF (Bad file descriptor) [pid 5947] close(15) = -1 EBADF (Bad file descriptor) [pid 5947] close(16) = -1 EBADF (Bad file descriptor) [pid 5947] close(17) = -1 EBADF (Bad file descriptor) [pid 5957] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5949] close(8 [pid 5841] <... mkdir resumed>) = 0 [pid 5957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5959 attached [pid 5949] close(9 [pid 5947] close(18 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5960 attached [pid 5959] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5957] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] set_robust_list(0x55558030a6a0, 24 [pid 5959] <... rseq resumed>) = 0 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5949] close(10 [pid 5960] <... set_robust_list resumed>) = 0 [pid 5959] set_robust_list(0x7fb5e51289a0, 24 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5959] <... set_robust_list resumed>) = 0 [pid 5947] close(19 [pid 5949] close(11 [pid 5960] chdir("./6" [pid 5959] rt_sigprocmask(SIG_SETMASK, [], [pid 5957] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... chdir resumed>) = 0 [pid 5959] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] <... futex resumed>) = 0 [pid 5949] close(12 [pid 5947] close(20 [pid 5960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5959] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5957] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] close(13 [pid 5947] close(21 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 20 [pid 5960] <... prctl resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] setpgid(0, 0 [pid 5949] close(14 [pid 5960] <... setpgid resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] close(15 [pid 5960] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] close(16 [pid 5960] <... symlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5949] close(17 [pid 5960] <... symlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(22 [pid 5960] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5949] close(18 [pid 5960] <... symlink resumed>) = 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] close(19 [pid 5960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] close(23 [pid 5949] close(20 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... openat resumed>) = 3 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5949] close(21 [pid 5960] write(3, "1000", 4 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... write resumed>) = 4 [pid 5949] close(22 [pid 5960] close(3 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... close resumed>) = 0 [pid 5949] close(23 [pid 5947] close(24 [pid 5960] symlink("/dev/binderfs", "./binderfs" [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... symlink resumed>) = 0 [pid 5949] close(24 [pid 5947] close(25 executing program [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] write(1, "executing program\n", 18 [pid 5949] close(25 [pid 5947] close(26 [pid 5960] <... write resumed>) = 18 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5949] close(26 [pid 5947] close(27 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... futex resumed>) = 0 [pid 5949] close(27 [pid 5960] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5949] close(28 [pid 5960] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5949] close(29 [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] <... mmap resumed>) = 0x7fb5e5108000 [pid 5949] exit_group(0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5960] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5955] <... futex resumed>) = ? [pid 5949] <... exit_group resumed>) = ? [pid 5955] +++ exited with 0 +++ [pid 5960] <... mprotect resumed>) = 0 [pid 5947] close(28) = -1 EBADF (Bad file descriptor) [pid 5951] <... futex resumed>) = ? [pid 5947] close(29 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5956] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5956] <... futex resumed>) = 0 ./strace-static-x86_64: Process 5961 attached [pid 5956] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5947] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5961] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5960] <... clone3 resumed> => {parent_tid=[21]}, 88) = 21 [pid 5961] <... rseq resumed>) = 0 [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5961] set_robust_list(0x7fb5e51289a0, 24 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5961] <... set_robust_list resumed>) = 0 [pid 5960] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5961] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] <... futex resumed>) = 0 [pid 5961] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5947] exit_group(0 [pid 5948] <... futex resumed>) = ? [pid 5947] <... exit_group resumed>) = ? [pid 5948] +++ exited with 0 +++ [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5954] <... futex resumed>) = ? [pid 5957] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5957] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5960] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5951] +++ exited with 0 +++ [pid 5949] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5840] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./6/binderfs") = 0 [pid 5840] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./6/cgroup.net") = 0 [pid 5840] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./6/cgroup.cpu") = 0 [pid 5840] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./6/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./6") = 0 [pid 5840] mkdir("./7", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558030a690) = 23 ./strace-static-x86_64: Process 5963 attached [pid 5963] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5963] chdir("./7") = 0 [pid 5963] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5963] setpgid(0, 0executing program ) = 0 [pid 5963] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5963] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5963] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5963] write(3, "1000", 4) = 4 [pid 5963] close(3) = 0 [pid 5963] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5963] write(1, "executing program\n", 18) = 18 [pid 5963] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5963] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5963] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5963] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5964 attached [pid 5964] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5963] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5964] <... rseq resumed>) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5964] set_robust_list(0x7fb5e51289a0, 24 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] <... set_robust_list resumed>) = 0 [pid 5963] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... futex resumed>) = 0 [pid 5964] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5954] +++ exited with 0 +++ [pid 5947] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./6/binderfs") = 0 [pid 5844] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./6/cgroup.net") = 0 [pid 5844] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./6/cgroup.cpu") = 0 [pid 5844] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./6/cgroup") = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./6") = 0 [pid 5844] mkdir("./7", 0777) = 0 [pid 5963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5958] <... mmap resumed>) = 0x200000000000 [pid 5956] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5963] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 5965 attached ) = 0 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 23 [pid 5965] set_robust_list(0x55558030a6a0, 24 [pid 5963] <... futex resumed>) = 0 [pid 5956] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5965] <... set_robust_list resumed>) = 0 [pid 5965] chdir("./7") = 0 [pid 5965] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5965] setpgid(0, 0) = 0 [pid 5965] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5956] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5965] <... symlink resumed>) = 0 [pid 5965] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5958] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5956] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5966 attached [pid 5966] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5956] <... clone3 resumed> => {parent_tid=[22]}, 88) = 22 [pid 5966] <... rseq resumed>) = 0 [pid 5956] rt_sigprocmask(SIG_SETMASK, [], [pid 5966] set_robust_list(0x7fb5e51079a0, 24 [pid 5956] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5966] <... set_robust_list resumed>) = 0 [pid 5956] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] rt_sigprocmask(SIG_SETMASK, [], [pid 5956] <... futex resumed>) = 0 [pid 5966] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5956] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5965] <... symlink resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5966] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5965] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5958] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] <... futex resumed>) = 0 [pid 5966] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... openat resumed>) = 3 [pid 5958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5958] sendmmsg(4, [pid 5956] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5965] write(3, "1000", 4) = 4 [pid 5965] close(3) = 0 executing program [pid 5965] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5965] write(1, "executing program\n", 18) = 18 [pid 5965] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5965] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5965] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5967 attached [pid 5967] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5965] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5967] <... rseq resumed>) = 0 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5967] set_robust_list(0x7fb5e51289a0, 24 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5967] <... set_robust_list resumed>) = 0 [pid 5965] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5967] rt_sigprocmask(SIG_SETMASK, [], [pid 5965] <... futex resumed>) = 0 [pid 5967] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5965] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5967] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5956] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5956] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5966] <... futex resumed>) = 0 [pid 5956] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5966] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5966] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5966] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5956] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... mremap resumed>) = 0x200000a00000 [pid 5966] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5956] <... futex resumed>) = 0 [pid 5966] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5966] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5956] <... futex resumed>) = 0 [pid 5966] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5956] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5966] <... mremap resumed>) = 0x200000a00000 [pid 5966] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5956] <... futex resumed>) = 0 [pid 5966] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5959] <... mmap resumed>) = 0x200000000000 [pid 5957] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5965] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5959] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5965] <... futex resumed>) = 0 [pid 5965] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... mprotect resumed>) = 0 [pid 5959] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5957] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5968 attached => {parent_tid=[25]}, 88) = 25 [pid 5968] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5957] rt_sigprocmask(SIG_SETMASK, [], [pid 5968] <... rseq resumed>) = 0 [pid 5957] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5968] set_robust_list(0x7fb5e51079a0, 24 [pid 5961] <... mmap resumed>) = 0x200000000000 [pid 5968] <... set_robust_list resumed>) = 0 [pid 5960] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5957] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5957] <... futex resumed>) = 0 [pid 5961] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5957] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5961] <... futex resumed>) = 0 [pid 5961] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] <... mprotect resumed>) = 0 [pid 5968] <... socketpair resumed>0x200000000200) = 0 [pid 5960] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5968] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5960] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5969 attached [pid 5968] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5969] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5968] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... rseq resumed>) = 0 [pid 5969] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5960] <... clone3 resumed> => {parent_tid=[22]}, 88) = 22 [pid 5959] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 1 [pid 5969] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] rt_sigprocmask(SIG_SETMASK, [], [pid 5959] sendmmsg(4, [pid 5957] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5969] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5960] <... futex resumed>) = 0 [pid 5969] <... socketpair resumed>0x200000000200) = 0 [pid 5960] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5969] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5961] <... futex resumed>) = 0 [pid 5960] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5961] sendmmsg(4, [pid 5957] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5957] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = 0 [pid 5957] <... futex resumed>) = 1 [pid 5968] recvmmsg(3, [pid 5957] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5960] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5968] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5968] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] <... futex resumed>) = 0 [pid 5968] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5957] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5968] <... mremap resumed>) = 0x200000a00000 [pid 5968] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5968] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5957] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5957] <... futex resumed>) = 0 [pid 5968] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5960] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... futex resumed>) = 0 [pid 5968] <... mremap resumed>) = 0x200000a00000 [pid 5960] <... futex resumed>) = 1 [pid 5969] recvmmsg(3, [pid 5968] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5968] <... futex resumed>) = 1 [pid 5957] <... futex resumed>) = 0 [pid 5969] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5968] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5969] <... futex resumed>) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5969] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... futex resumed>) = 0 [pid 5969] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5960] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... mremap resumed>) = 0x200000a00000 [pid 5969] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5969] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5960] <... futex resumed>) = 0 [pid 5969] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5960] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5969] <... mremap resumed>) = 0x200000a00000 [pid 5969] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5960] <... futex resumed>) = 0 [pid 5969] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5964] <... mmap resumed>) = 0x200000000000 [pid 5963] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5964] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5963] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5963] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5970 attached [pid 5964] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5970] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5963] <... clone3 resumed> => {parent_tid=[25]}, 88) = 25 [pid 5970] <... rseq resumed>) = 0 [pid 5963] rt_sigprocmask(SIG_SETMASK, [], [pid 5970] set_robust_list(0x7fb5e51079a0, 24 [pid 5963] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5970] <... set_robust_list resumed>) = 0 [pid 5963] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... futex resumed>) = 0 [pid 5970] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5970] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5963] <... futex resumed>) = 0 [pid 5970] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5963] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] <... futex resumed>) = 0 [pid 5964] sendmmsg(4, [pid 5967] <... mmap resumed>) = 0x200000000000 [pid 5965] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5967] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5965] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5967] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... mprotect resumed>) = 0 [pid 5965] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5965] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5971 attached => {parent_tid=[25]}, 88) = 25 [pid 5971] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5965] rt_sigprocmask(SIG_SETMASK, [], [pid 5971] set_robust_list(0x7fb5e51079a0, 24 [pid 5965] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5971] <... set_robust_list resumed>) = 0 [pid 5965] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5965] <... futex resumed>) = 0 [pid 5971] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5965] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... socketpair resumed>0x200000000200) = 0 [pid 5971] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5963] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5971] <... futex resumed>) = 0 [pid 5971] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5970] <... futex resumed>) = 0 [pid 5963] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5970] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5965] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = 0 [pid 5970] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5967] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5963] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5967] sendmmsg(4, [pid 5965] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5963] <... futex resumed>) = 0 [pid 5970] <... mremap resumed>) = 0x200000a00000 [pid 5970] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] <... futex resumed>) = 0 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5970] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5963] <... futex resumed>) = 0 [pid 5970] <... mremap resumed>) = 0x200000a00000 [pid 5963] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5970] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5970] <... futex resumed>) = 0 [pid 5970] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5965] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5971] recvmmsg(3, [pid 5965] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5971] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5971] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] <... futex resumed>) = 0 [pid 5965] <... futex resumed>) = 1 [pid 5971] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5965] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5971] <... mremap resumed>) = 0x200000a00000 [pid 5971] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] close(3 [pid 5971] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5971] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5965] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5971] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5965] <... futex resumed>) = 0 [pid 5971] <... mremap resumed>) = 0x200000a00000 [pid 5965] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5958] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5956] <... close resumed>) = 0 [pid 5971] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5958] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5956] close(4 [pid 5971] <... futex resumed>) = 1 [pid 5965] <... futex resumed>) = 0 [pid 5958] <... futex resumed>) = 0 [pid 5971] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5958] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5956] <... close resumed>) = 0 [pid 5956] close(5) = -1 EBADF (Bad file descriptor) [pid 5956] close(6) = -1 EBADF (Bad file descriptor) [pid 5956] close(7) = -1 EBADF (Bad file descriptor) [pid 5956] close(8) = -1 EBADF (Bad file descriptor) [pid 5956] close(9) = -1 EBADF (Bad file descriptor) [pid 5956] close(10) = -1 EBADF (Bad file descriptor) [pid 5956] close(11) = -1 EBADF (Bad file descriptor) [pid 5956] close(12) = -1 EBADF (Bad file descriptor) [pid 5956] close(13) = -1 EBADF (Bad file descriptor) [pid 5956] close(14) = -1 EBADF (Bad file descriptor) [pid 5956] close(15) = -1 EBADF (Bad file descriptor) [pid 5956] close(16) = -1 EBADF (Bad file descriptor) [pid 5956] close(17) = -1 EBADF (Bad file descriptor) [pid 5956] close(18) = -1 EBADF (Bad file descriptor) [pid 5956] close(19) = -1 EBADF (Bad file descriptor) [pid 5956] close(20) = -1 EBADF (Bad file descriptor) [pid 5956] close(21) = -1 EBADF (Bad file descriptor) [pid 5956] close(22) = -1 EBADF (Bad file descriptor) [pid 5956] close(23) = -1 EBADF (Bad file descriptor) [pid 5956] close(24) = -1 EBADF (Bad file descriptor) [pid 5956] close(25) = -1 EBADF (Bad file descriptor) [pid 5956] close(26) = -1 EBADF (Bad file descriptor) [pid 5956] close(27) = -1 EBADF (Bad file descriptor) [pid 5956] close(28) = -1 EBADF (Bad file descriptor) [pid 5956] close(29) = -1 EBADF (Bad file descriptor) [pid 5956] exit_group(0 [pid 5958] <... futex resumed>) = ? [pid 5966] <... futex resumed>) = ? [pid 5958] +++ exited with 0 +++ [pid 5956] <... exit_group resumed>) = ? [pid 5966] +++ exited with 0 +++ [pid 5956] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5843] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./6/binderfs") = 0 [pid 5843] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./6/cgroup.net") = 0 [pid 5843] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./6/cgroup.cpu") = 0 [pid 5843] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./6/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./6/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./6") = 0 [pid 5843] mkdir("./7", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5972 attached , child_tidptr=0x55558030a690) = 23 [pid 5972] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5972] chdir("./7") = 0 [pid 5972] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5972] setpgid(0, 0) = 0 [pid 5972] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5957] close(3 [pid 5972] <... symlink resumed>) = 0 [pid 5972] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5972] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5960] close(3 [pid 5972] write(3, "1000", 4 [pid 5961] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5960] <... close resumed>) = 0 [pid 5959] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5957] <... close resumed>) = 0 [pid 5972] <... write resumed>) = 4 [pid 5961] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] close(4 [pid 5959] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5957] close(4 [pid 5972] close(3 [pid 5961] <... futex resumed>) = 0 [pid 5960] <... close resumed>) = 0 [pid 5959] <... futex resumed>) = 0 [pid 5972] <... close resumed>) = 0 [pid 5961] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5960] close(5 [pid 5959] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] symlink("/dev/binderfs", "./binderfs" [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... symlink resumed>) = 0 [pid 5960] close(6executing program ) = -1 EBADF (Bad file descriptor) [pid 5972] write(1, "executing program\n", 18 [pid 5960] close(7 [pid 5972] <... write resumed>) = 18 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] close(8 [pid 5972] <... futex resumed>) = 0 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5960] close(9 [pid 5972] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5960] close(10 [pid 5972] <... mmap resumed>) = 0x7fb5e5108000 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5960] close(11 [pid 5972] <... mprotect resumed>) = 0 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5960] close(12 [pid 5972] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5960] close(13) = -1 EBADF (Bad file descriptor) [pid 5960] close(14 [pid 5972] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5957] <... close resumed>) = 0 ./strace-static-x86_64: Process 5973 attached [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5960] close(15 [pid 5957] close(5 [pid 5973] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] <... rseq resumed>) = 0 [pid 5972] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5960] close(16 [pid 5957] close(6 [pid 5973] set_robust_list(0x7fb5e51289a0, 24 [pid 5972] <... futex resumed>) = 0 [pid 5957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] <... set_robust_list resumed>) = 0 [pid 5973] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5957] close(7 [pid 5973] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5960] close(17 [pid 5957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5973] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5957] close(8 [pid 5960] close(18) = -1 EBADF (Bad file descriptor) [pid 5960] close(19) = -1 EBADF (Bad file descriptor) [pid 5960] close(20) = -1 EBADF (Bad file descriptor) [pid 5960] close(21) = -1 EBADF (Bad file descriptor) [pid 5960] close(22) = -1 EBADF (Bad file descriptor) [pid 5960] close(23) = -1 EBADF (Bad file descriptor) [pid 5960] close(24) = -1 EBADF (Bad file descriptor) [pid 5960] close(25) = -1 EBADF (Bad file descriptor) [pid 5960] close(26) = -1 EBADF (Bad file descriptor) [pid 5960] close(27) = -1 EBADF (Bad file descriptor) [pid 5960] close(28) = -1 EBADF (Bad file descriptor) [pid 5960] close(29) = -1 EBADF (Bad file descriptor) [pid 5960] exit_group(0) = ? [pid 5969] <... futex resumed>) = ? [pid 5961] <... futex resumed>) = ? [pid 5957] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5969] +++ exited with 0 +++ [pid 5957] close(9) = -1 EBADF (Bad file descriptor) [pid 5957] close(10) = -1 EBADF (Bad file descriptor) [pid 5957] close(11) = -1 EBADF (Bad file descriptor) [pid 5957] close(12) = -1 EBADF (Bad file descriptor) [pid 5957] close(13) = -1 EBADF (Bad file descriptor) [pid 5957] close(14) = -1 EBADF (Bad file descriptor) [pid 5957] close(15) = -1 EBADF (Bad file descriptor) [pid 5957] close(16) = -1 EBADF (Bad file descriptor) [pid 5957] close(17) = -1 EBADF (Bad file descriptor) [pid 5957] close(18) = -1 EBADF (Bad file descriptor) [pid 5957] close(19) = -1 EBADF (Bad file descriptor) [pid 5957] close(20) = -1 EBADF (Bad file descriptor) [pid 5957] close(21) = -1 EBADF (Bad file descriptor) [pid 5957] close(22) = -1 EBADF (Bad file descriptor) [pid 5957] close(23) = -1 EBADF (Bad file descriptor) [pid 5957] close(24) = -1 EBADF (Bad file descriptor) [pid 5957] close(25) = -1 EBADF (Bad file descriptor) [pid 5957] close(26) = -1 EBADF (Bad file descriptor) [pid 5957] close(27) = -1 EBADF (Bad file descriptor) [pid 5957] close(28) = -1 EBADF (Bad file descriptor) [pid 5957] close(29) = -1 EBADF (Bad file descriptor) [pid 5957] exit_group(0 [pid 5959] <... futex resumed>) = ? [pid 5968] <... futex resumed>) = ? [pid 5957] <... exit_group resumed>) = ? [pid 5959] +++ exited with 0 +++ [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5972] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5961] +++ exited with 0 +++ [pid 5960] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=20, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5841] umount2("./6", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./6", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5968] +++ exited with 0 +++ [pid 5957] +++ exited with 0 +++ [pid 5841] <... openat resumed>) = 3 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5841] newfstatat(3, "", [pid 5842] restart_syscall(<... resuming interrupted clone ...> [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, [pid 5842] <... restart_syscall resumed>) = 0 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./6/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/binderfs") = 0 [pid 5841] umount2("./6/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/cgroup.net") = 0 [pid 5841] umount2("./6/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./6/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/cgroup.cpu") = 0 [pid 5842] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./6/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] newfstatat(AT_FDCWD, "./6/cgroup", [pid 5842] <... openat resumed>) = 3 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./6/cgroup" [pid 5842] newfstatat(3, "", [pid 5841] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5841] getdents64(3, [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] close(3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... close resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5841] rmdir("./6" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... rmdir resumed>) = 0 [pid 5842] unlink("./7/binderfs" [pid 5841] mkdir("./7", 0777) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./7/cgroup.net") = 0 [pid 5842] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./7/cgroup.cpu") = 0 [pid 5842] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./7/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./7") = 0 ./strace-static-x86_64: Process 5974 attached [pid 5842] mkdir("./8", 0777 [pid 5974] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 23 [pid 5974] <... set_robust_list resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5975 attached [pid 5974] chdir("./7" [pid 5975] set_robust_list(0x55558030a6a0, 24 [pid 5974] <... chdir resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 26 [pid 5975] <... set_robust_list resumed>) = 0 [pid 5974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5975] chdir("./8" [pid 5974] <... prctl resumed>) = 0 [pid 5975] <... chdir resumed>) = 0 [pid 5974] setpgid(0, 0 [pid 5975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5974] <... setpgid resumed>) = 0 [pid 5975] <... prctl resumed>) = 0 [pid 5975] setpgid(0, 0) = 0 [pid 5974] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5975] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5974] <... symlink resumed>) = 0 [pid 5975] <... symlink resumed>) = 0 [pid 5974] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5975] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5974] <... symlink resumed>) = 0 [pid 5975] <... symlink resumed>) = 0 [pid 5974] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5975] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5974] <... symlink resumed>) = 0 [pid 5975] <... symlink resumed>) = 0 [pid 5974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5974] <... openat resumed>) = 3 [pid 5975] <... openat resumed>) = 3 [pid 5974] write(3, "1000", 4 [pid 5975] write(3, "1000", 4 [pid 5974] <... write resumed>) = 4 [pid 5975] <... write resumed>) = 4 [pid 5974] close(3 [pid 5975] close(3 [pid 5974] <... close resumed>) = 0 [pid 5975] <... close resumed>) = 0 [pid 5974] symlink("/dev/binderfs", "./binderfs" [pid 5975] symlink("/dev/binderfs", "./binderfs" [pid 5974] <... symlink resumed>) = 0 executing program executing program [pid 5975] <... symlink resumed>) = 0 [pid 5974] write(1, "executing program\n", 18) = 18 [pid 5975] write(1, "executing program\n", 18 [pid 5974] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] <... write resumed>) = 18 [pid 5974] <... futex resumed>) = 0 [pid 5975] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5975] <... futex resumed>) = 0 [pid 5974] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5975] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5974] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5975] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... mmap resumed>) = 0x7fb5e5108000 [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5974] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5975] <... mmap resumed>) = 0x7fb5e5108000 [pid 5974] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5975] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5975] <... mprotect resumed>) = 0 [pid 5974] <... clone3 resumed> => {parent_tid=[24]}, 88) = 24 ./strace-static-x86_64: Process 5976 attached [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] close(3 [pid 5976] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5975] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5964] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5963] <... close resumed>) = 0 [pid 5976] <... rseq resumed>) = 0 [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5974] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5964] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] close(4./strace-static-x86_64: Process 5977 attached [pid 5976] set_robust_list(0x7fb5e51289a0, 24 [pid 5974] <... futex resumed>) = 0 [pid 5964] <... futex resumed>) = 0 [pid 5963] <... close resumed>) = 0 [pid 5977] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5976] <... set_robust_list resumed>) = 0 [pid 5975] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5974] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5964] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5963] close(5 [pid 5977] <... rseq resumed>) = 0 [pid 5976] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] set_robust_list(0x7fb5e51289a0, 24 [pid 5976] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5963] close(6 [pid 5977] <... set_robust_list resumed>) = 0 [pid 5975] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] rt_sigprocmask(SIG_SETMASK, [], [pid 5976] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5975] <... futex resumed>) = 0 [pid 5963] close(7 [pid 5977] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5977] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5963] close(8) = -1 EBADF (Bad file descriptor) [pid 5963] close(9) = -1 EBADF (Bad file descriptor) [pid 5963] close(10) = -1 EBADF (Bad file descriptor) [pid 5963] close(11) = -1 EBADF (Bad file descriptor) [pid 5963] close(12) = -1 EBADF (Bad file descriptor) [pid 5963] close(13) = -1 EBADF (Bad file descriptor) [pid 5963] close(14) = -1 EBADF (Bad file descriptor) [pid 5963] close(15) = -1 EBADF (Bad file descriptor) [pid 5963] close(16) = -1 EBADF (Bad file descriptor) [pid 5963] close(17) = -1 EBADF (Bad file descriptor) [pid 5963] close(18) = -1 EBADF (Bad file descriptor) [pid 5963] close(19) = -1 EBADF (Bad file descriptor) [pid 5963] close(20) = -1 EBADF (Bad file descriptor) [pid 5963] close(21) = -1 EBADF (Bad file descriptor) [pid 5963] close(22) = -1 EBADF (Bad file descriptor) [pid 5963] close(23) = -1 EBADF (Bad file descriptor) [pid 5963] close(24) = -1 EBADF (Bad file descriptor) [pid 5963] close(25) = -1 EBADF (Bad file descriptor) [pid 5963] close(26) = -1 EBADF (Bad file descriptor) [pid 5963] close(27) = -1 EBADF (Bad file descriptor) [pid 5963] close(28) = -1 EBADF (Bad file descriptor) [pid 5963] close(29) = -1 EBADF (Bad file descriptor) [pid 5963] exit_group(0 [pid 5970] <... futex resumed>) = ? [pid 5964] <... futex resumed>) = ? [pid 5963] <... exit_group resumed>) = ? [pid 5973] <... mmap resumed>) = 0x200000000000 [pid 5970] +++ exited with 0 +++ [pid 5964] +++ exited with 0 +++ [pid 5973] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5972] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5972] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5972] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5978 attached [pid 5978] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5973] <... futex resumed>) = 0 [pid 5972] <... clone3 resumed> => {parent_tid=[25]}, 88) = 25 [pid 5978] <... rseq resumed>) = 0 [pid 5973] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] rt_sigprocmask(SIG_SETMASK, [], [pid 5978] set_robust_list(0x7fb5e51079a0, 24 [pid 5972] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5978] <... set_robust_list resumed>) = 0 [pid 5972] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] rt_sigprocmask(SIG_SETMASK, [], [pid 5972] <... futex resumed>) = 0 [pid 5978] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5972] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5978] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5978] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5972] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5973] <... futex resumed>) = 0 [pid 5973] sendmmsg(4, [pid 5965] close(3 [pid 5974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5974] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5967] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5967] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... close resumed>) = 0 [pid 5967] <... futex resumed>) = 0 [pid 5965] close(4 [pid 5967] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5965] <... close resumed>) = 0 [pid 5965] close(5) = -1 EBADF (Bad file descriptor) [pid 5965] close(6) = -1 EBADF (Bad file descriptor) [pid 5965] close(7) = -1 EBADF (Bad file descriptor) [pid 5965] close(8) = -1 EBADF (Bad file descriptor) [pid 5965] close(9) = -1 EBADF (Bad file descriptor) [pid 5965] close(10) = -1 EBADF (Bad file descriptor) [pid 5965] close(11) = -1 EBADF (Bad file descriptor) [pid 5965] close(12) = -1 EBADF (Bad file descriptor) [pid 5965] close(13) = -1 EBADF (Bad file descriptor) [pid 5965] close(14) = -1 EBADF (Bad file descriptor) [pid 5965] close(15) = -1 EBADF (Bad file descriptor) [pid 5965] close(16) = -1 EBADF (Bad file descriptor) [pid 5965] close(17) = -1 EBADF (Bad file descriptor) [pid 5965] close(18) = -1 EBADF (Bad file descriptor) [pid 5965] close(19) = -1 EBADF (Bad file descriptor) [pid 5965] close(20) = -1 EBADF (Bad file descriptor) [pid 5965] close(21) = -1 EBADF (Bad file descriptor) [pid 5965] close(22) = -1 EBADF (Bad file descriptor) [pid 5965] close(23) = -1 EBADF (Bad file descriptor) [pid 5965] close(24) = -1 EBADF (Bad file descriptor) [pid 5975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5965] close(25 [pid 5975] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5965] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5965] close(26) = -1 EBADF (Bad file descriptor) [pid 5965] close(27) = -1 EBADF (Bad file descriptor) [pid 5965] close(28) = -1 EBADF (Bad file descriptor) [pid 5965] close(29) = -1 EBADF (Bad file descriptor) [pid 5965] exit_group(0 [pid 5971] <... futex resumed>) = ? [pid 5967] <... futex resumed>) = ? [pid 5965] <... exit_group resumed>) = ? [pid 5971] +++ exited with 0 +++ [pid 5967] +++ exited with 0 +++ [pid 5975] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5972] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = 1 [pid 5978] recvmmsg(3, [pid 5972] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5978] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5978] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5972] <... futex resumed>) = 0 [pid 5978] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5972] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... mremap resumed>) = 0x200000a00000 [pid 5978] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5972] <... futex resumed>) = 0 [pid 5978] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5972] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5978] <... mremap resumed>) = 0x200000a00000 [pid 5972] <... futex resumed>) = 0 [pid 5978] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5972] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5978] <... futex resumed>) = 0 [pid 5972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5978] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5963] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5840] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./7/binderfs") = 0 [pid 5840] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./7/cgroup.net") = 0 [pid 5840] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./7/cgroup.cpu") = 0 [pid 5840] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./7/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./7") = 0 [pid 5840] mkdir("./8", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5979 attached [pid 5979] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 26 [pid 5979] <... set_robust_list resumed>) = 0 [pid 5979] chdir("./8") = 0 [pid 5979] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5979] setpgid(0, 0) = 0 [pid 5979] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5979] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5979] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5979] write(3, "1000", 4) = 4 [pid 5979] close(3) = 0 [pid 5979] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5979] write(1, "executing program\n", 18executing program ) = 18 [pid 5979] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5979] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5979] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5979] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5980 attached [pid 5980] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5979] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5980] <... rseq resumed>) = 0 [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5980] set_robust_list(0x7fb5e51289a0, 24 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5980] <... set_robust_list resumed>) = 0 [pid 5979] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5980] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] <... futex resumed>) = 0 [pid 5980] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5965] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5979] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] <... futex resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5972] close(3 [pid 5973] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5972] <... close resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5973] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] unlink("./7/binderfs" [pid 5972] close(4 [pid 5973] <... futex resumed>) = 0 [pid 5972] <... close resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5972] close(5 [pid 5973] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5972] close(6 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5972] close(7 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] unlink("./7/cgroup.net" [pid 5972] close(8) = -1 EBADF (Bad file descriptor) [pid 5972] close(9) = -1 EBADF (Bad file descriptor) [pid 5844] <... unlink resumed>) = 0 [pid 5972] close(10 [pid 5844] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] close(11 [pid 5844] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./7/cgroup.cpu" [pid 5972] close(12) = -1 EBADF (Bad file descriptor) [pid 5844] <... unlink resumed>) = 0 [pid 5972] close(13 [pid 5844] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5972] close(14 [pid 5844] newfstatat(AT_FDCWD, "./7/cgroup", [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] close(15 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] unlink("./7/cgroup" [pid 5972] close(16) = -1 EBADF (Bad file descriptor) [pid 5972] close(17 [pid 5844] <... unlink resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] getdents64(3, [pid 5972] close(18 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] close(3 [pid 5972] close(19 [pid 5844] <... close resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] rmdir("./7" [pid 5972] close(20) = -1 EBADF (Bad file descriptor) [pid 5972] close(21) = -1 EBADF (Bad file descriptor) [pid 5972] close(22 [pid 5844] <... rmdir resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5972] close(23) = -1 EBADF (Bad file descriptor) [pid 5972] close(24) = -1 EBADF (Bad file descriptor) [pid 5972] close(25) = -1 EBADF (Bad file descriptor) [pid 5972] close(26) = -1 EBADF (Bad file descriptor) [pid 5972] close(27 [pid 5977] <... mmap resumed>) = 0x200000000000 [pid 5975] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] mkdir("./8", 0777 [pid 5975] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5972] close(28 [pid 5975] <... mprotect resumed>) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... mkdir resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5972] close(29 [pid 5975] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5975] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5972] exit_group(0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5981 attached [pid 5978] <... futex resumed>) = ? [pid 5977] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5973] <... futex resumed>) = ? [pid 5972] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5982 attached [pid 5981] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5978] +++ exited with 0 +++ [pid 5977] <... futex resumed>) = 0 [pid 5975] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 5973] +++ exited with 0 +++ [pid 5982] set_robust_list(0x55558030a6a0, 24 [pid 5977] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5981] <... rseq resumed>) = 0 [pid 5975] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 26 [pid 5982] <... set_robust_list resumed>) = 0 [pid 5981] set_robust_list(0x7fb5e51079a0, 24 [pid 5975] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5981] <... set_robust_list resumed>) = 0 [pid 5975] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] chdir("./8" [pid 5981] rt_sigprocmask(SIG_SETMASK, [], [pid 5975] <... futex resumed>) = 0 [pid 5982] <... chdir resumed>) = 0 [pid 5981] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5975] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5981] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5982] <... prctl resumed>) = 0 [pid 5981] <... socketpair resumed>0x200000000200) = 0 [pid 5982] setpgid(0, 0 [pid 5981] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... setpgid resumed>) = 0 [pid 5981] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5981] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5975] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5977] <... futex resumed>) = 0 [pid 5982] <... symlink resumed>) = 0 [pid 5977] sendmmsg(4, [pid 5982] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5982] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5982] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5982] write(3, "1000", 4) = 4 [pid 5982] close(3 [pid 5975] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5982] <... close resumed>) = 0 [pid 5975] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 executing program [pid 5982] symlink("/dev/binderfs", "./binderfs" [pid 5981] <... futex resumed>) = 0 [pid 5975] <... futex resumed>) = 1 [pid 5981] recvmmsg(3, [pid 5975] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... symlink resumed>) = 0 [pid 5982] write(1, "executing program\n", 18 [pid 5981] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5982] <... write resumed>) = 18 [pid 5981] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5981] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5982] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5981] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5981] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5975] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5981] <... mremap resumed>) = 0x200000a00000 [pid 5981] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... mmap resumed>) = 0x7fb5e5108000 [pid 5982] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5981] <... futex resumed>) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5981] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... mprotect resumed>) = 0 [pid 5981] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5975] <... futex resumed>) = 0 [pid 5981] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5975] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5981] <... mremap resumed>) = 0x200000a00000 [pid 5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5981] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 5983 attached ) = 1 [pid 5975] <... futex resumed>) = 0 [pid 5983] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5982] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5981] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... rseq resumed>) = 0 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], [pid 5983] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5982] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5983] rt_sigprocmask(SIG_SETMASK, [], [pid 5982] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5982] <... futex resumed>) = 0 [pid 5983] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5982] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5976] <... mmap resumed>) = 0x200000000000 [pid 5974] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5976] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5976] <... futex resumed>) = 0 [pid 5974] <... mprotect resumed>) = 0 [pid 5976] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5974] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5984 attached [pid 5984] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5974] <... clone3 resumed> => {parent_tid=[25]}, 88) = 25 [pid 5984] <... rseq resumed>) = 0 [pid 5974] rt_sigprocmask(SIG_SETMASK, [], [pid 5984] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5974] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5984] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] <... futex resumed>) = 0 [pid 5984] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5974] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... socketpair resumed>0x200000000200) = 0 [pid 5984] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5984] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5976] <... futex resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5976] sendmmsg(4, [pid 5974] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5982] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5982] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5972] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5843] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5980] <... mmap resumed>) = 0x200000000000 [pid 5979] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5974] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5980] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5974] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5984] <... futex resumed>) = 0 [pid 5980] <... futex resumed>) = 0 [pid 5979] <... mprotect resumed>) = 0 [pid 5974] <... futex resumed>) = 1 [pid 5843] newfstatat(AT_FDCWD, "./7/binderfs", [pid 5984] recvmmsg(3, [pid 5974] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5984] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] unlink("./7/binderfs" [pid 5984] <... futex resumed>) = 1 [pid 5974] <... futex resumed>) = 0 [pid 5984] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5984] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5974] <... futex resumed>) = 0 [pid 5984] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5974] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5984] <... mremap resumed>) = 0x200000a00000 [pid 5980] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] <... unlink resumed>) = 0 [pid 5984] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5984] <... futex resumed>) = 1 [pid 5979] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5985 attached [pid 5984] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] <... futex resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5985] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5979] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 5974] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... rseq resumed>) = 0 [pid 5984] <... futex resumed>) = 0 [pid 5979] rt_sigprocmask(SIG_SETMASK, [], [pid 5974] <... futex resumed>) = 1 [pid 5985] set_robust_list(0x7fb5e51079a0, 24 [pid 5984] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5979] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5974] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... set_robust_list resumed>) = 0 [pid 5984] <... mremap resumed>) = 0x200000a00000 [pid 5979] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] newfstatat(AT_FDCWD, "./7/cgroup.net", [pid 5985] rt_sigprocmask(SIG_SETMASK, [], [pid 5979] <... futex resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./7/cgroup.net" [pid 5985] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5979] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5843] <... unlink resumed>) = 0 [pid 5985] <... socketpair resumed>0x200000000200) = 0 [pid 5985] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5984] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] <... futex resumed>) = 0 [pid 5985] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5984] <... futex resumed>) = 1 [pid 5979] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... futex resumed>) = 0 [pid 5984] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] <... futex resumed>) = 1 [pid 5979] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5980] <... futex resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5980] sendmmsg(4, [pid 5843] newfstatat(AT_FDCWD, "./7/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./7/cgroup.cpu") = 0 [pid 5843] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./7/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./7/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./7") = 0 [pid 5843] mkdir("./8", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5986 attached [pid 5986] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 26 [pid 5986] <... set_robust_list resumed>) = 0 [pid 5986] chdir("./8") = 0 [pid 5986] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5986] setpgid(0, 0) = 0 [pid 5986] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5986] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5986] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5986] write(3, "1000", 4) = 4 [pid 5986] close(3) = 0 [pid 5986] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5986] write(1, "executing program\n", 18) = 18 [pid 5986] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5986] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5986] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5986] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5979] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] <... mprotect resumed>) = 0 [pid 5979] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5985] <... futex resumed>) = 0 [pid 5979] <... futex resumed>) = 1 [pid 5986] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5985] recvmmsg(3, [pid 5979] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5985] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) ./strace-static-x86_64: Process 5987 attached [pid 5985] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5986] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5985] <... futex resumed>) = 1 [pid 5979] <... futex resumed>) = 0 [pid 5987] <... rseq resumed>) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5985] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] set_robust_list(0x7fb5e51289a0, 24 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = 0 [pid 5987] <... set_robust_list resumed>) = 0 [pid 5986] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5979] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... futex resumed>) = 0 [pid 5985] <... mremap resumed>) = 0x200000a00000 [pid 5987] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5985] <... futex resumed>) = 1 [pid 5979] <... futex resumed>) = 0 [pid 5985] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5979] <... futex resumed>) = 0 [pid 5985] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5979] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5985] <... mremap resumed>) = 0x200000a00000 [pid 5985] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5985] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] <... futex resumed>) = 0 [pid 5982] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5986] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5983] <... mmap resumed>) = 0x200000000000 [pid 5986] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5983] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5986] <... futex resumed>) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5982] <... mprotect resumed>) = 0 [pid 5986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5983] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5982] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5988 attached [pid 5988] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5988] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5988] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5988] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 5982] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5982] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5988] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5982] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] <... futex resumed>) = 0 [pid 5982] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5983] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5983] sendmmsg(4, [pid 5982] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 5982] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5988] recvmmsg(3, [pid 5982] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5988] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5988] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... futex resumed>) = 0 [pid 5982] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = 1 [pid 5988] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5982] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] <... mremap resumed>) = 0x200000a00000 [pid 5988] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5982] <... futex resumed>) = 0 [pid 5988] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5982] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5988] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5982] <... futex resumed>) = 0 [pid 5988] <... mremap resumed>) = 0x200000a00000 [pid 5982] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5988] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5987] <... mmap resumed>) = 0x200000000000 [pid 5986] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5987] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5987] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5988] <... futex resumed>) = 0 [pid 5982] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5988] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5986] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5986] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 5989 attached => {parent_tid=[28]}, 88) = 28 [pid 5989] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5986] rt_sigprocmask(SIG_SETMASK, [], [pid 5989] set_robust_list(0x7fb5e51079a0, 24 [pid 5986] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5989] <... set_robust_list resumed>) = 0 [pid 5986] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] <... futex resumed>) = 0 [pid 5989] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 5989] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5989] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5986] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5987] <... futex resumed>) = 0 [pid 5987] sendmmsg(4, [pid 5975] close(3 [pid 5977] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5975] <... close resumed>) = 0 [pid 5977] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5975] close(4 [pid 5977] <... futex resumed>) = 0 [pid 5975] <... close resumed>) = 0 [pid 5977] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5975] close(5) = -1 EBADF (Bad file descriptor) [pid 5975] close(6) = -1 EBADF (Bad file descriptor) [pid 5975] close(7) = -1 EBADF (Bad file descriptor) [pid 5975] close(8) = -1 EBADF (Bad file descriptor) [pid 5975] close(9) = -1 EBADF (Bad file descriptor) [pid 5975] close(10) = -1 EBADF (Bad file descriptor) [pid 5975] close(11) = -1 EBADF (Bad file descriptor) [pid 5975] close(12) = -1 EBADF (Bad file descriptor) [pid 5975] close(13) = -1 EBADF (Bad file descriptor) [pid 5975] close(14) = -1 EBADF (Bad file descriptor) [pid 5975] close(15) = -1 EBADF (Bad file descriptor) [pid 5975] close(16) = -1 EBADF (Bad file descriptor) [pid 5975] close(17) = -1 EBADF (Bad file descriptor) [pid 5975] close(18) = -1 EBADF (Bad file descriptor) [pid 5975] close(19) = -1 EBADF (Bad file descriptor) [pid 5975] close(20) = -1 EBADF (Bad file descriptor) [pid 5975] close(21) = -1 EBADF (Bad file descriptor) [pid 5975] close(22) = -1 EBADF (Bad file descriptor) [pid 5975] close(23) = -1 EBADF (Bad file descriptor) [pid 5975] close(24) = -1 EBADF (Bad file descriptor) [pid 5975] close(25) = -1 EBADF (Bad file descriptor) [pid 5975] close(26) = -1 EBADF (Bad file descriptor) [pid 5975] close(27) = -1 EBADF (Bad file descriptor) [pid 5975] close(28) = -1 EBADF (Bad file descriptor) [pid 5975] close(29) = -1 EBADF (Bad file descriptor) [pid 5975] exit_group(0 [pid 5981] <... futex resumed>) = ? [pid 5977] <... futex resumed>) = ? [pid 5975] <... exit_group resumed>) = ? [pid 5981] +++ exited with 0 +++ [pid 5977] +++ exited with 0 +++ [pid 5986] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = 0 [pid 5986] <... futex resumed>) = 1 [pid 5989] recvmmsg(3, [pid 5986] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5989] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5989] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5986] <... futex resumed>) = 0 [pid 5989] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5986] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] <... mremap resumed>) = 0x200000a00000 [pid 5989] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5989] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... futex resumed>) = 0 [pid 5986] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5989] <... futex resumed>) = 0 [pid 5986] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5989] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000) = 0x200000a00000 [pid 5989] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5986] <... futex resumed>) = 0 [pid 5989] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] close(3 [pid 5976] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5976] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5974] <... close resumed>) = 0 [pid 5976] <... futex resumed>) = 0 [pid 5976] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5974] close(4) = 0 [pid 5974] close(5) = -1 EBADF (Bad file descriptor) [pid 5974] close(6) = -1 EBADF (Bad file descriptor) [pid 5974] close(7) = -1 EBADF (Bad file descriptor) [pid 5974] close(8) = -1 EBADF (Bad file descriptor) [pid 5974] close(9) = -1 EBADF (Bad file descriptor) [pid 5974] close(10) = -1 EBADF (Bad file descriptor) [pid 5974] close(11) = -1 EBADF (Bad file descriptor) [pid 5974] close(12) = -1 EBADF (Bad file descriptor) [pid 5974] close(13) = -1 EBADF (Bad file descriptor) [pid 5974] close(14) = -1 EBADF (Bad file descriptor) [pid 5974] close(15) = -1 EBADF (Bad file descriptor) [pid 5974] close(16) = -1 EBADF (Bad file descriptor) [pid 5974] close(17) = -1 EBADF (Bad file descriptor) [pid 5974] close(18) = -1 EBADF (Bad file descriptor) [pid 5974] close(19) = -1 EBADF (Bad file descriptor) [pid 5974] close(20) = -1 EBADF (Bad file descriptor) [pid 5974] close(21) = -1 EBADF (Bad file descriptor) [pid 5974] close(22) = -1 EBADF (Bad file descriptor) [pid 5974] close(23) = -1 EBADF (Bad file descriptor) [pid 5974] close(24) = -1 EBADF (Bad file descriptor) [pid 5974] close(25) = -1 EBADF (Bad file descriptor) [pid 5974] close(26) = -1 EBADF (Bad file descriptor) [pid 5974] close(27) = -1 EBADF (Bad file descriptor) [pid 5975] +++ exited with 0 +++ [pid 5974] close(28 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5974] close(29) = -1 EBADF (Bad file descriptor) [pid 5974] exit_group(0) = ? [pid 5976] <... futex resumed>) = ? [pid 5984] <... futex resumed>) = ? [pid 5976] +++ exited with 0 +++ [pid 5979] close(3 [pid 5842] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5980] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5979] <... close resumed>) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5980] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5979] close(4 [pid 5842] newfstatat(3, "", [pid 5980] <... futex resumed>) = 0 [pid 5979] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5980] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5979] close(5 [pid 5842] getdents64(3, [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(6 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] close(7 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5979] close(8 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./8/binderfs" [pid 5979] close(9 [pid 5842] <... unlink resumed>) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(10 [pid 5842] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] close(11 [pid 5842] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(12 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./8/cgroup.net" [pid 5979] close(13) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5979] close(14) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] close(15 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(16) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 5979] close(17 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(18 [pid 5842] unlink("./8/cgroup.cpu" [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... unlink resumed>) = 0 [pid 5979] close(19) = -1 EBADF (Bad file descriptor) [pid 5842] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5979] close(20) = -1 EBADF (Bad file descriptor) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5979] close(21) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5979] close(22 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] unlink("./8/cgroup" [pid 5979] close(23 [pid 5842] <... unlink resumed>) = 0 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5979] close(24 [pid 5842] getdents64(3, [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5979] close(25 [pid 5842] close(3 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... close resumed>) = 0 [pid 5979] close(26) = -1 EBADF (Bad file descriptor) [pid 5979] close(27 [pid 5842] rmdir("./8" [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5979] close(28 [pid 5842] mkdir("./9", 0777 [pid 5979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 5979] close(29) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5979] exit_group(0 [pid 5985] <... futex resumed>) = ? [pid 5979] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 5990 attached [pid 5985] +++ exited with 0 +++ [pid 5980] <... futex resumed>) = ? [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 29 [pid 5990] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5990] chdir("./9") = 0 [pid 5990] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5990] setpgid(0, 0) = 0 [pid 5990] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 5990] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 5990] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 5990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5990] write(3, "1000", 4) = 4 [pid 5990] close(3) = 0 [pid 5990] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5990] write(1, "executing program\n", 18) = 18 [pid 5990] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5990] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5990] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5984] +++ exited with 0 +++ [pid 5974] +++ exited with 0 +++ [pid 5990] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=23, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5990] <... mprotect resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5991 attached [pid 5991] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5990] <... clone3 resumed> => {parent_tid=[30]}, 88) = 30 [pid 5991] <... rseq resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5991] set_robust_list(0x7fb5e51289a0, 24 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5991] <... set_robust_list resumed>) = 0 [pid 5990] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5991] rt_sigprocmask(SIG_SETMASK, [], [pid 5990] <... futex resumed>) = 0 [pid 5991] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5982] close(3 [pid 5991] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5841] umount2("./7", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./7", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./7/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/binderfs") = 0 [pid 5841] umount2("./7/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./7/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./7/cgroup.net") = 0 [pid 5841] umount2("./7/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5983] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5841] newfstatat(AT_FDCWD, "./7/cgroup.cpu", [pid 5983] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... close resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5983] <... futex resumed>) = 0 [pid 5982] close(4 [pid 5841] unlink("./7/cgroup.cpu") = 0 [pid 5983] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5982] <... close resumed>) = 0 [pid 5841] umount2("./7/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5982] close(5 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] newfstatat(AT_FDCWD, "./7/cgroup", [pid 5982] close(6 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] unlink("./7/cgroup" [pid 5982] close(7 [pid 5841] <... unlink resumed>) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 5982] close(8 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(3 [pid 5982] close(9 [pid 5841] <... close resumed>) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./7" [pid 5990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5982] close(10 [pid 5841] <... rmdir resumed>) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] mkdir("./8", 0777 [pid 5982] close(11 [pid 5841] <... mkdir resumed>) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5982] close(12 [pid 5990] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 5992 attached [pid 5990] <... futex resumed>) = 0 [pid 5982] close(13 [pid 5992] set_robust_list(0x55558030a6a0, 24 [pid 5990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... set_robust_list resumed>) = 0 [pid 5982] close(14) = -1 EBADF (Bad file descriptor) [pid 5992] chdir("./8" [pid 5982] close(15) = -1 EBADF (Bad file descriptor) [pid 5982] close(16) = -1 EBADF (Bad file descriptor) [pid 5982] close(17) = -1 EBADF (Bad file descriptor) [pid 5982] close(18) = -1 EBADF (Bad file descriptor) [pid 5982] close(19) = -1 EBADF (Bad file descriptor) [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 26 [pid 5982] close(20) = -1 EBADF (Bad file descriptor) [pid 5982] close(21) = -1 EBADF (Bad file descriptor) [pid 5992] <... chdir resumed>) = 0 [pid 5982] close(22 [pid 5992] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... prctl resumed>) = 0 [pid 5982] close(23 [pid 5992] setpgid(0, 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... setpgid resumed>) = 0 [pid 5982] close(24 [pid 5992] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5982] close(25 [pid 5992] <... symlink resumed>) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5982] close(26 [pid 5992] <... symlink resumed>) = 0 [pid 5992] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... openat resumed>) = 3 [pid 5992] write(3, "1000", 4 [pid 5982] close(27 [pid 5992] <... write resumed>) = 4 [pid 5992] close(3) = 0 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5982] close(28executing program [pid 5992] write(1, "executing program\n", 18 [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... write resumed>) = 18 [pid 5992] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] close(3 [pid 5982] close(29 [pid 5992] <... futex resumed>) = 0 [pid 5992] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5982] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5980] +++ exited with 0 +++ [pid 5979] +++ exited with 0 +++ [pid 5992] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5982] exit_group(0 [pid 5992] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5983] <... futex resumed>) = ? [pid 5982] <... exit_group resumed>) = ? [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5988] <... futex resumed>) = ? [pid 5983] +++ exited with 0 +++ [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5988] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5992] <... mmap resumed>) = 0x7fb5e5108000 [pid 5992] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5987] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5986] <... close resumed>) = 0 [pid 5840] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5992] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5987] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] close(4 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5992] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5987] <... futex resumed>) = 0 [pid 5992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5987] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5986] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 5993 attached [pid 5986] close(5 [pid 5840] <... openat resumed>) = 3 [pid 5993] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5992] <... clone3 resumed> => {parent_tid=[27]}, 88) = 27 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... rseq resumed>) = 0 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 5986] close(6 [pid 5840] newfstatat(3, "", [pid 5993] set_robust_list(0x7fb5e51289a0, 24 [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] <... set_robust_list resumed>) = 0 [pid 5992] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5986] close(7 [pid 5993] rt_sigprocmask(SIG_SETMASK, [], [pid 5992] <... futex resumed>) = 0 [pid 5840] getdents64(3, [pid 5993] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5840] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5986] close(8) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] close(9 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./8/binderfs", [pid 5986] close(10) = -1 EBADF (Bad file descriptor) [pid 5986] close(11 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./8/binderfs" [pid 5986] close(12) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5986] close(13) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] close(14) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] close(15 [pid 5840] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(16 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./8/cgroup.net" [pid 5986] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5986] close(18 [pid 5840] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] close(19) = -1 EBADF (Bad file descriptor) [pid 5986] close(20) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./8/cgroup.cpu", [pid 5986] close(21) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] close(22) = -1 EBADF (Bad file descriptor) [pid 5986] close(23 [pid 5840] unlink("./8/cgroup.cpu" [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(24 [pid 5840] <... unlink resumed>) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(25 [pid 5840] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5986] close(26 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5986] close(27 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./8/cgroup" [pid 5986] close(28 [pid 5992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 5992] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5986] close(29 [pid 5992] <... futex resumed>) = 0 [pid 5986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5986] exit_group(0 [pid 5840] getdents64(3, [pid 5989] <... futex resumed>) = ? [pid 5987] <... futex resumed>) = ? [pid 5986] <... exit_group resumed>) = ? [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5989] +++ exited with 0 +++ [pid 5987] +++ exited with 0 +++ [pid 5840] close(3) = 0 [pid 5840] rmdir("./8") = 0 [pid 5840] mkdir("./9", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558030a690) = 29 ./strace-static-x86_64: Process 5994 attached [pid 5994] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5994] chdir("./9") = 0 [pid 5994] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5994] setpgid(0, 0) = 0 [pid 5994] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 5994] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5994] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 5994] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5994] write(3, "1000", 4) = 4 [pid 5994] close(3) = 0 [pid 5994] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5994] write(1, "executing program\n", 18) = 18 [pid 5994] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5994] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5982] +++ exited with 0 +++ [pid 5994] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5994] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 5995 attached [pid 5995] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 5994] <... clone3 resumed> => {parent_tid=[30]}, 88) = 30 [pid 5995] set_robust_list(0x7fb5e51289a0, 24 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 5995] <... set_robust_list resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5995] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5995] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5994] <... futex resumed>) = 0 [pid 5995] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5844] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./8/binderfs") = 0 [pid 5844] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./8/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./8/cgroup.net") = 0 [pid 5844] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./8/cgroup.cpu") = 0 [pid 5844] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./8/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./8/cgroup") = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./8") = 0 [pid 5844] mkdir("./9", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 5996 attached , child_tidptr=0x55558030a690) = 29 [pid 5996] set_robust_list(0x55558030a6a0, 24 [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5996] <... set_robust_list resumed>) = 0 [pid 5994] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] chdir("./9" [pid 5994] <... futex resumed>) = 0 [pid 5994] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5996] <... chdir resumed>) = 0 [pid 5996] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5996] setpgid(0, 0) = 0 [pid 5996] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 5986] +++ exited with 0 +++ [pid 5996] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 5996] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 5996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5996] write(3, "1000", 4) = 4 [pid 5996] close(3) = 0 [pid 5996] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5996] write(1, "executing program\n", 18) = 18 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5996] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] <... restart_syscall resumed>) = 0 [pid 5996] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5996] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5843] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5996] <... mmap resumed>) = 0x7fb5e5108000 [pid 5843] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5996] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5843] <... openat resumed>) = 3 [pid 5996] <... mprotect resumed>) = 0 [pid 5843] newfstatat(3, "", [pid 5996] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5996] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] getdents64(3, [pid 5996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 5997 attached [pid 5843] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5997] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 5996] <... clone3 resumed> => {parent_tid=[30]}, 88) = 30 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./8/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./8/binderfs" [pid 5997] <... rseq resumed>) = 0 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] <... unlink resumed>) = 0 [pid 5997] set_robust_list(0x7fb5e51289a0, 24 [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5997] <... set_robust_list resumed>) = 0 [pid 5996] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5997] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] <... futex resumed>) = 0 [pid 5997] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 5997] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5996] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./8/cgroup.net") = 0 [pid 5843] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./8/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./8/cgroup.cpu" [pid 5991] <... mmap resumed>) = 0x200000000000 [pid 5990] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5843] <... unlink resumed>) = 0 [pid 5990] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5843] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5990] <... mprotect resumed>) = 0 [pid 5991] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5991] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5990] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5990] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 5998 attached [pid 5843] unlink("./8/cgroup" [pid 5998] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5990] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 5843] <... unlink resumed>) = 0 [pid 5998] <... rseq resumed>) = 0 [pid 5990] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] getdents64(3, [pid 5998] set_robust_list(0x7fb5e51079a0, 24 [pid 5990] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5998] <... set_robust_list resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5990] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] rt_sigprocmask(SIG_SETMASK, [], [pid 5843] close(3 [pid 5990] <... futex resumed>) = 0 [pid 5998] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5990] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5843] <... close resumed>) = 0 [pid 5998] <... socketpair resumed>0x200000000200) = 0 [pid 5843] rmdir("./8" [pid 5998] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5998] <... futex resumed>) = 1 [pid 5843] <... rmdir resumed>) = 0 [pid 5990] <... futex resumed>) = 0 [pid 5996] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... futex resumed>) = 0 [pid 5990] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] mkdir("./9", 0777 [pid 5996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5990] <... futex resumed>) = 1 [pid 5990] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5991] <... futex resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5991] sendmmsg(4, [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 29 ./strace-static-x86_64: Process 5999 attached [pid 5999] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5999] chdir("./9") = 0 [pid 5999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5999] setpgid(0, 0) = 0 [pid 5999] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 5999] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 5999] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 5999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5999] write(3, "1000", 4) = 4 [pid 5999] close(3) = 0 [pid 5999] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 5999] write(1, "executing program\n", 18) = 18 [pid 5999] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5999] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5999] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} => {parent_tid=[30]}, 88) = 30 ./strace-static-x86_64: Process 6000 attached [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6000] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6000] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5999] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6000] rt_sigprocmask(SIG_SETMASK, [], [pid 5999] <... futex resumed>) = 0 [pid 5999] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6000] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5990] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5990] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = 0 [pid 5990] <... futex resumed>) = 1 [pid 5998] recvmmsg(3, [pid 5990] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5998] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5998] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] <... futex resumed>) = 0 [pid 5998] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5990] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] <... mremap resumed>) = 0x200000a00000 [pid 5998] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5990] <... futex resumed>) = 0 [pid 5998] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5990] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5998] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5990] <... futex resumed>) = 0 [pid 5998] <... mremap resumed>) = 0x200000a00000 [pid 5990] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5998] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5998] <... futex resumed>) = 0 [pid 5998] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5999] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5993] <... mmap resumed>) = 0x200000000000 [pid 5995] <... mmap resumed>) = 0x200000000000 [pid 5994] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5993] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5992] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5992] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5995] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5993] <... futex resumed>) = 0 [pid 5992] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6001 attached [pid 5995] <... futex resumed>) = 0 [pid 5994] <... mprotect resumed>) = 0 [pid 5993] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5995] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5992] <... clone3 resumed> => {parent_tid=[28]}, 88) = 28 [pid 6001] <... rseq resumed>) = 0 [pid 5994] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5992] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] set_robust_list(0x7fb5e51079a0, 24 [pid 5994] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5992] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] <... set_robust_list resumed>) = 0 [pid 5992] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6002 attached [pid 6001] rt_sigprocmask(SIG_SETMASK, [], [pid 5994] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 5992] <... futex resumed>) = 0 [pid 6002] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6001] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... rseq resumed>) = 0 [pid 6001] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6002] set_robust_list(0x7fb5e51079a0, 24 [pid 6001] <... socketpair resumed>0x200000000200) = 0 [pid 5994] rt_sigprocmask(SIG_SETMASK, [], [pid 6002] <... set_robust_list resumed>) = 0 [pid 6001] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6002] rt_sigprocmask(SIG_SETMASK, [], [pid 6001] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 6002] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6001] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5994] <... futex resumed>) = 0 [pid 5993] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 6002] <... socketpair resumed>0x200000000200) = 0 [pid 5994] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5993] sendmmsg(4, [pid 5992] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5994] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 5995] <... futex resumed>) = 0 [pid 5994] <... futex resumed>) = 1 [pid 5995] sendmmsg(4, [pid 5994] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5992] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] <... futex resumed>) = 0 [pid 5992] <... futex resumed>) = 1 [pid 6001] recvmmsg(3, [pid 5992] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6001] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6001] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5994] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5992] <... futex resumed>) = 0 [pid 6001] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 0 [pid 6001] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5994] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 5994] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] recvmmsg(3, [pid 6001] <... mremap resumed>) = 0x200000a00000 [pid 6002] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6002] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 6001] <... futex resumed>) = 1 [pid 6002] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] <... futex resumed>) = 0 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6001] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] <... futex resumed>) = 0 [pid 5992] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6001] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5992] <... futex resumed>) = 0 [pid 6002] <... mremap resumed>) = 0x200000a00000 [pid 6001] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5992] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5994] <... futex resumed>) = 0 [pid 6002] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5994] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5994] <... futex resumed>) = 0 [pid 6002] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5994] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6002] <... mremap resumed>) = 0x200000a00000 [pid 6001] <... mremap resumed>) = 0x200000a00000 [pid 6002] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6001] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6002] <... futex resumed>) = 1 [pid 5994] <... futex resumed>) = 0 [pid 6002] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6001] <... futex resumed>) = 1 [pid 5992] <... futex resumed>) = 0 [pid 6001] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5997] <... mmap resumed>) = 0x200000000000 [pid 5996] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5997] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5997] <... futex resumed>) = 0 [pid 5996] <... mprotect resumed>) = 0 [pid 5997] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5996] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6003 attached [pid 6003] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 5996] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 6003] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 5996] rt_sigprocmask(SIG_SETMASK, [], [pid 6003] rt_sigprocmask(SIG_SETMASK, [], [pid 5996] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6003] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 6000] <... mmap resumed>) = 0x200000000000 [pid 5996] <... futex resumed>) = 1 [pid 6003] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6000] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5996] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... socketpair resumed>0x200000000200) = 0 [pid 5999] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6000] <... futex resumed>) = 0 [pid 5999] <... mprotect resumed>) = 0 [pid 6000] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6003] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5996] <... futex resumed>) = 0 [pid 6003] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5996] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5997] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 5997] sendmmsg(4, [pid 5996] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6004 attached [pid 6004] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5999] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 6004] <... rseq resumed>) = 0 [pid 5999] rt_sigprocmask(SIG_SETMASK, [], [pid 6004] set_robust_list(0x7fb5e51079a0, 24 [pid 5999] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6004] <... set_robust_list resumed>) = 0 [pid 5999] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6004] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5999] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] <... socketpair resumed>0x200000000200) = 0 [pid 6004] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6004] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... futex resumed>) = 0 [pid 5999] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6000] <... futex resumed>) = 0 [pid 5999] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6000] sendmmsg(4, [pid 5996] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5996] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = 0 [pid 5996] <... futex resumed>) = 1 [pid 6003] recvmmsg(3, [pid 5996] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6003] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5996] <... futex resumed>) = 0 [pid 6003] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5996] <... futex resumed>) = 0 [pid 6003] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5996] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6003] <... mremap resumed>) = 0x200000a00000 [pid 5999] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5996] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 0 [pid 6003] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6004] recvmmsg(3, [pid 5996] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6004] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5996] <... futex resumed>) = 1 [pid 6004] <... futex resumed>) = 1 [pid 6003] <... futex resumed>) = 0 [pid 5999] <... futex resumed>) = 0 [pid 6004] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6003] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 5999] <... futex resumed>) = 0 [pid 6004] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 5999] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6003] <... mremap resumed>) = 0x200000a00000 [pid 6003] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... mremap resumed>) = 0x200000a00000 [pid 6003] <... futex resumed>) = 1 [pid 6004] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6003] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5996] <... futex resumed>) = 0 [pid 6004] <... futex resumed>) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6004] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6004] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5999] <... futex resumed>) = 0 [pid 5999] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6004] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000) = 0x200000a00000 [pid 6004] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5999] <... futex resumed>) = 0 [pid 6004] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] close(3 [pid 5991] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5991] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5990] <... close resumed>) = 0 [pid 5991] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5990] close(4) = 0 [pid 5990] close(5) = -1 EBADF (Bad file descriptor) [pid 5990] close(6) = -1 EBADF (Bad file descriptor) [pid 5990] close(7) = -1 EBADF (Bad file descriptor) [pid 5990] close(8) = -1 EBADF (Bad file descriptor) [pid 5990] close(9) = -1 EBADF (Bad file descriptor) [pid 5990] close(10) = -1 EBADF (Bad file descriptor) [pid 5990] close(11) = -1 EBADF (Bad file descriptor) [pid 5990] close(12) = -1 EBADF (Bad file descriptor) [pid 5990] close(13) = -1 EBADF (Bad file descriptor) [pid 5990] close(14) = -1 EBADF (Bad file descriptor) [pid 5990] close(15) = -1 EBADF (Bad file descriptor) [pid 5990] close(16) = -1 EBADF (Bad file descriptor) [pid 5990] close(17) = -1 EBADF (Bad file descriptor) [pid 5990] close(18) = -1 EBADF (Bad file descriptor) [pid 5990] close(19) = -1 EBADF (Bad file descriptor) [pid 5990] close(20) = -1 EBADF (Bad file descriptor) [pid 5990] close(21) = -1 EBADF (Bad file descriptor) [pid 5990] close(22) = -1 EBADF (Bad file descriptor) [pid 5990] close(23) = -1 EBADF (Bad file descriptor) [pid 5990] close(24) = -1 EBADF (Bad file descriptor) [pid 5990] close(25) = -1 EBADF (Bad file descriptor) [pid 5990] close(26) = -1 EBADF (Bad file descriptor) [pid 5990] close(27) = -1 EBADF (Bad file descriptor) [pid 5990] close(28) = -1 EBADF (Bad file descriptor) [pid 5990] close(29) = -1 EBADF (Bad file descriptor) [pid 5990] exit_group(0) = ? [pid 5991] <... futex resumed>) = ? [pid 5998] <... futex resumed>) = ? [pid 5991] +++ exited with 0 +++ [pid 5998] +++ exited with 0 +++ [pid 5990] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5994] close(3 [pid 5842] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5992] close(3 [pid 5842] <... openat resumed>) = 3 [pid 5995] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5995] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] getdents64(3, [pid 5995] <... futex resumed>) = 0 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./9/binderfs") = 0 [pid 5842] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./9/cgroup.net" [pid 5995] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 5994] <... close resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5994] close(4 [pid 5842] unlink("./9/cgroup.cpu" [pid 5994] <... close resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5994] close(5 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] newfstatat(AT_FDCWD, "./9/cgroup", [pid 5994] close(6 [pid 5993] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5993] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] unlink("./9/cgroup" [pid 5994] close(7) = -1 EBADF (Bad file descriptor) [pid 5993] <... futex resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5994] close(8 [pid 5993] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5992] <... close resumed>) = 0 [pid 5842] getdents64(3, [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5994] close(9 [pid 5992] close(4 [pid 5842] close(3 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(10 [pid 5842] <... close resumed>) = 0 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(11) = -1 EBADF (Bad file descriptor) [pid 5994] close(12) = -1 EBADF (Bad file descriptor) [pid 5994] close(13) = -1 EBADF (Bad file descriptor) [pid 5842] rmdir("./9" [pid 5994] close(14) = -1 EBADF (Bad file descriptor) [pid 5994] close(15) = -1 EBADF (Bad file descriptor) [pid 5994] close(16) = -1 EBADF (Bad file descriptor) [pid 5994] close(17) = -1 EBADF (Bad file descriptor) [pid 5842] <... rmdir resumed>) = 0 [pid 5994] close(18) = -1 EBADF (Bad file descriptor) [pid 5842] mkdir("./10", 0777 [pid 5994] close(19 [pid 5992] <... close resumed>) = 0 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] <... mkdir resumed>) = 0 [pid 5994] close(20 [pid 5992] close(5 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5994] close(21 [pid 5992] close(6 [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(22) = -1 EBADF (Bad file descriptor) [pid 5994] close(23) = -1 EBADF (Bad file descriptor) [pid 5994] close(24) = -1 EBADF (Bad file descriptor) [pid 5992] close(7 [pid 5994] close(25 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(8 [pid 5994] close(26 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(27) = -1 EBADF (Bad file descriptor) [pid 5992] close(9 [pid 5994] close(28) = -1 EBADF (Bad file descriptor) [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5994] close(29) = -1 EBADF (Bad file descriptor) [pid 5992] close(10 [pid 5994] exit_group(0./strace-static-x86_64: Process 6006 attached [pid 6002] <... futex resumed>) = ? [pid 5995] <... futex resumed>) = ? [pid 5994] <... exit_group resumed>) = ? [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] set_robust_list(0x55558030a6a0, 24 [pid 6002] +++ exited with 0 +++ [pid 5992] close(11 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 32 [pid 6006] <... set_robust_list resumed>) = 0 [pid 5995] +++ exited with 0 +++ [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] chdir("./10" [pid 5992] close(12) = -1 EBADF (Bad file descriptor) [pid 5992] close(13 [pid 6006] <... chdir resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5992] close(14 [pid 6006] <... prctl resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] setpgid(0, 0 [pid 5992] close(15) = -1 EBADF (Bad file descriptor) [pid 6006] <... setpgid resumed>) = 0 [pid 5992] close(16 [pid 6006] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(17) = -1 EBADF (Bad file descriptor) [pid 6006] <... symlink resumed>) = 0 [pid 5992] close(18) = -1 EBADF (Bad file descriptor) [pid 6006] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 5992] close(19 [pid 6006] <... symlink resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5992] close(20 [pid 6006] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... symlink resumed>) = 0 [pid 5992] close(21 [pid 6006] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... openat resumed>) = 3 [pid 5992] close(22) = -1 EBADF (Bad file descriptor) [pid 6006] write(3, "1000", 4 [pid 5992] close(23 [pid 6006] <... write resumed>) = 4 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] close(3 [pid 5992] close(24 [pid 6006] <... close resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] symlink("/dev/binderfs", "./binderfs" [pid 5992] close(25 [pid 6006] <... symlink resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6006] write(1, "executing program\n", 18 [pid 5992] close(26 [pid 6006] <... write resumed>) = 18 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5992] close(27 [pid 6006] <... futex resumed>) = 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5992] close(28 [pid 6006] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5992] close(29 [pid 6006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5992] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6006] <... mmap resumed>) = 0x7fb5e5108000 [pid 6006] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5992] exit_group(0 [pid 6006] <... mprotect resumed>) = 0 [pid 6001] <... futex resumed>) = ? [pid 5993] <... futex resumed>) = ? [pid 5992] <... exit_group resumed>) = ? [pid 6006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6001] +++ exited with 0 +++ [pid 5993] +++ exited with 0 +++ [pid 6006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6007 attached [pid 6007] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6007] set_robust_list(0x7fb5e51289a0, 24 [pid 6006] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 6007] <... set_robust_list resumed>) = 0 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] rt_sigprocmask(SIG_SETMASK, [], [pid 6006] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6007] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6006] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6007] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6006] <... futex resumed>) = 0 [pid 6006] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5999] close(3 [pid 5996] close(3 [pid 6000] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6000] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] <... close resumed>) = 0 [pid 6000] <... futex resumed>) = 0 [pid 5999] close(4 [pid 5997] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6000] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] <... close resumed>) = 0 [pid 5997] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5999] close(5 [pid 5997] <... futex resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5997] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5999] close(6) = -1 EBADF (Bad file descriptor) [pid 5999] close(7 [pid 5996] <... close resumed>) = 0 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(8 [pid 5996] close(4 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = 0 [pid 5999] close(9) = -1 EBADF (Bad file descriptor) [pid 5999] close(10) = -1 EBADF (Bad file descriptor) [pid 5999] close(11) = -1 EBADF (Bad file descriptor) [pid 5999] close(12) = -1 EBADF (Bad file descriptor) [pid 5999] close(13) = -1 EBADF (Bad file descriptor) [pid 5996] close(5 [pid 5999] close(14) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(15) = -1 EBADF (Bad file descriptor) [pid 5996] close(6 [pid 5999] close(16) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(17) = -1 EBADF (Bad file descriptor) [pid 5996] close(7 [pid 5999] close(18) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(19) = -1 EBADF (Bad file descriptor) [pid 5996] close(8 [pid 5999] close(20) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(21) = -1 EBADF (Bad file descriptor) [pid 5996] close(9 [pid 5999] close(22) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(23) = -1 EBADF (Bad file descriptor) [pid 5996] close(10 [pid 5999] close(24) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(25) = -1 EBADF (Bad file descriptor) [pid 5996] close(11 [pid 5999] close(26) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(27 [pid 5996] close(12 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(28 [pid 5996] close(13 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] close(29 [pid 5996] close(14 [pid 5999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5999] exit_group(0 [pid 5996] close(15 [pid 6006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6004] <... futex resumed>) = ? [pid 6000] <... futex resumed>) = ? [pid 5999] <... exit_group resumed>) = ? [pid 5996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6004] +++ exited with 0 +++ [pid 6000] +++ exited with 0 +++ [pid 5996] close(16) = -1 EBADF (Bad file descriptor) [pid 5996] close(17) = -1 EBADF (Bad file descriptor) [pid 5996] close(18) = -1 EBADF (Bad file descriptor) [pid 5996] close(19) = -1 EBADF (Bad file descriptor) [pid 5996] close(20) = -1 EBADF (Bad file descriptor) [pid 5996] close(21) = -1 EBADF (Bad file descriptor) [pid 5996] close(22) = -1 EBADF (Bad file descriptor) [pid 5996] close(23) = -1 EBADF (Bad file descriptor) [pid 5996] close(24) = -1 EBADF (Bad file descriptor) [pid 5996] close(25) = -1 EBADF (Bad file descriptor) [pid 5996] close(26) = -1 EBADF (Bad file descriptor) [pid 5996] close(27) = -1 EBADF (Bad file descriptor) [pid 5996] close(28) = -1 EBADF (Bad file descriptor) [pid 5996] close(29) = -1 EBADF (Bad file descriptor) [pid 5996] exit_group(0 [pid 6003] <... futex resumed>) = ? [pid 5996] <... exit_group resumed>) = ? [pid 6003] +++ exited with 0 +++ [pid 5997] <... futex resumed>) = ? [pid 6006] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6006] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5994] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5840] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./9/binderfs") = 0 [pid 5840] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./9/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./9/cgroup.net") = 0 [pid 5840] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./9/cgroup.cpu") = 0 [pid 5840] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./9/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./9") = 0 [pid 5840] mkdir("./10", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6008 attached [pid 6008] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 32 [pid 6008] <... set_robust_list resumed>) = 0 [pid 6008] chdir("./10") = 0 [pid 6008] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6008] setpgid(0, 0) = 0 [pid 6008] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6008] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6008] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6008] write(3, "1000", 4 [pid 5992] +++ exited with 0 +++ [pid 6008] <... write resumed>) = 4 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=26, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 6008] close(3) = 0 [pid 5841] umount2("./8", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./8", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6008] symlink("/dev/binderfs", "./binderfs" [pid 5841] <... openat resumed>) = 3 [pid 6008] <... symlink resumed>) = 0 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, executing program [pid 6008] write(1, "executing program\n", 18 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6008] <... write resumed>) = 18 [pid 5841] umount2("./8/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6008] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] <... futex resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./8/binderfs", [pid 6008] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6008] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5841] unlink("./8/binderfs") = 0 [pid 6008] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5841] umount2("./8/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6008] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] newfstatat(AT_FDCWD, "./8/cgroup.net", [pid 6008] <... mmap resumed>) = 0x7fb5e5108000 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6008] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5841] unlink("./8/cgroup.net" [pid 6008] <... mprotect resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5841] umount2("./8/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5841] newfstatat(AT_FDCWD, "./8/cgroup.cpu", ./strace-static-x86_64: Process 6009 attached [pid 6009] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6008] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6009] <... rseq resumed>) = 0 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6008] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6009] set_robust_list(0x7fb5e51289a0, 24 [pid 5841] unlink("./8/cgroup.cpu" [pid 6009] <... set_robust_list resumed>) = 0 [pid 6009] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... unlink resumed>) = 0 [pid 6009] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] umount2("./8/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6009] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./8/cgroup", [pid 5999] +++ exited with 0 +++ [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5841] unlink("./8/cgroup") = 0 [pid 5843] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] getdents64(3, [pid 5843] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] newfstatat(3, "", [pid 5841] close(3) = 0 [pid 5841] rmdir("./8") = 0 [pid 5841] mkdir("./9", 0777 [pid 6008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] <... mkdir resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6008] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 ./strace-static-x86_64: Process 6010 attached [pid 5843] getdents64(3, [pid 6010] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 29 [pid 6010] <... set_robust_list resumed>) = 0 [pid 6010] chdir("./9" [pid 5843] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] <... chdir resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6010] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] newfstatat(AT_FDCWD, "./9/binderfs", [pid 6010] <... prctl resumed>) = 0 [pid 6010] setpgid(0, 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6010] <... setpgid resumed>) = 0 [pid 6010] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 5843] unlink("./9/binderfs" [pid 6010] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6010] <... symlink resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 6010] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6010] <... symlink resumed>) = 0 [pid 5843] unlink("./9/cgroup.net" [pid 6010] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5843] <... unlink resumed>) = 0 [pid 6010] write(3, "1000", 4) = 4 [pid 6010] close(3 [pid 5843] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6010] <... close resumed>) = 0 [pid 6010] symlink("/dev/binderfs", "./binderfs" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) executing program [pid 6010] <... symlink resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 6010] write(1, "executing program\n", 18 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6010] <... write resumed>) = 18 [pid 5843] unlink("./9/cgroup.cpu" [pid 6010] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./9/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./9/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./9") = 0 [pid 5843] mkdir("./10", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6011 attached [pid 6010] <... futex resumed>) = 0 [pid 6011] set_robust_list(0x55558030a6a0, 24 [pid 6010] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 32 [pid 6011] <... set_robust_list resumed>) = 0 [pid 6010] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5997] +++ exited with 0 +++ [pid 5996] +++ exited with 0 +++ [pid 6011] chdir("./10" [pid 6010] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6011] <... chdir resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6010] <... mmap resumed>) = 0x7fb5e5108000 [pid 6011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6011] <... prctl resumed>) = 0 [pid 6011] setpgid(0, 0 [pid 6010] <... mprotect resumed>) = 0 [pid 6011] <... setpgid resumed>) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6012 attached [pid 6012] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6011] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6010] <... clone3 resumed> => {parent_tid=[30]}, 88) = 30 [pid 5844] <... restart_syscall resumed>) = 0 [pid 6012] <... rseq resumed>) = 0 [pid 6011] <... symlink resumed>) = 0 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6012] set_robust_list(0x7fb5e51289a0, 24 [pid 6011] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6012] <... set_robust_list resumed>) = 0 [pid 6011] <... symlink resumed>) = 0 [pid 6010] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6012] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6010] <... futex resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6012] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6012] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6011] <... symlink resumed>) = 0 [pid 5844] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, [pid 6011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./9/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./9/binderfs" [pid 6011] <... openat resumed>) = 3 [pid 5844] <... unlink resumed>) = 0 [pid 6011] write(3, "1000", 4) = 4 [pid 6011] close(3) = 0 [pid 6011] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 5844] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6011] write(1, "executing program\n", 18) = 18 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5844] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 6011] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6011] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 5844] unlink("./9/cgroup.net" [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5844] <... unlink resumed>) = 0 [pid 6011] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 5844] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5844] newfstatat(AT_FDCWD, "./9/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 ./strace-static-x86_64: Process 6013 attached [pid 5844] unlink("./9/cgroup.cpu" [pid 6013] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6011] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 5844] <... unlink resumed>) = 0 [pid 6013] <... rseq resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6013] set_robust_list(0x7fb5e51289a0, 24 [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6013] <... set_robust_list resumed>) = 0 [pid 6011] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] newfstatat(AT_FDCWD, "./9/cgroup", [pid 6013] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... futex resumed>) = 0 [pid 6013] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6011] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6013] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./9/cgroup") = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 5844] rmdir("./9") = 0 [pid 5844] mkdir("./10", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6014 attached , child_tidptr=0x55558030a690) = 32 [pid 6014] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6014] chdir("./10") = 0 [pid 6014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6010] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6010] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6014] <... prctl resumed>) = 0 [pid 6014] setpgid(0, 0) = 0 [pid 6014] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6014] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6011] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... symlink resumed>) = 0 [pid 6014] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6011] <... futex resumed>) = 0 [pid 6014] <... symlink resumed>) = 0 [pid 6011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6007] <... mmap resumed>) = 0x200000000000 [pid 6006] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6014] write(3, "1000", 4) = 4 [pid 6014] close(3) = 0 [pid 6007] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6006] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6014] symlink("/dev/binderfs", "./binderfs" [pid 6007] <... futex resumed>) = 0 [pid 6006] <... mprotect resumed>) = 0 executing program [pid 6014] <... symlink resumed>) = 0 [pid 6007] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6014] write(1, "executing program\n", 18) = 18 [pid 6006] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6014] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6006] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6014] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6014] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6006] <... clone3 resumed> => {parent_tid=[34]}, 88) = 34 [pid 6006] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6006] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6015 attached [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6006] <... futex resumed>) = 0 [pid 6015] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6014] <... mmap resumed>) = 0x7fb5e5108000 [pid 6006] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] set_robust_list(0x7fb5e51079a0, 24 [pid 6014] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6015] <... set_robust_list resumed>) = 0 [pid 6015] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] <... mprotect resumed>) = 0 [pid 6015] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6015] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6014] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6015] <... socketpair resumed>0x200000000200) = 0 [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6015] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6016 attached ) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6006] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6015] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 6007] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6016] <... rseq resumed>) = 0 [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6007] sendmmsg(4, [pid 6006] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] set_robust_list(0x7fb5e51289a0, 24 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6016] <... set_robust_list resumed>) = 0 [pid 6014] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] rt_sigprocmask(SIG_SETMASK, [], [pid 6014] <... futex resumed>) = 0 [pid 6016] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6016] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6006] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6006] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = 0 [pid 6006] <... futex resumed>) = 1 [pid 6006] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] recvmmsg(3, [pid 6014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6014] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6015] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6015] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6015] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] <... futex resumed>) = 0 [pid 6015] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6006] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... mremap resumed>) = 0x200000a00000 [pid 6008] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6015] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... mmap resumed>) = 0x200000000000 [pid 6015] <... futex resumed>) = 1 [pid 6006] <... futex resumed>) = 0 [pid 6015] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6015] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6006] <... futex resumed>) = 0 [pid 6015] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6006] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6015] <... mremap resumed>) = 0x200000a00000 [pid 6009] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6015] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6008] <... mprotect resumed>) = 0 [pid 6015] <... futex resumed>) = 1 [pid 6009] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6006] <... futex resumed>) = 0 [pid 6015] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6008] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} => {parent_tid=[34]}, 88) = 34 [pid 6008] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6017 attached NULL, 8) = 0 [pid 6017] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6008] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] <... rseq resumed>) = 0 [pid 6017] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6017] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6017] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6017] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6008] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6017] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 1 [pid 6009] sendmmsg(4, [pid 6008] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6008] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = 0 [pid 6008] <... futex resumed>) = 1 [pid 6008] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6017] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6008] <... futex resumed>) = 0 [pid 6017] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6008] <... futex resumed>) = 0 [pid 6008] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6017] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000) = 0x200000a00000 [pid 6016] <... mmap resumed>) = 0x200000000000 [pid 6014] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6016] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6017] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... futex resumed>) = 0 [pid 6014] <... mprotect resumed>) = 0 [pid 6017] <... futex resumed>) = 1 [pid 6008] <... futex resumed>) = 0 [pid 6017] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6014] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} => {parent_tid=[34]}, 88) = 34 ./strace-static-x86_64: Process 6018 attached [pid 6017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] rt_sigprocmask(SIG_SETMASK, [], [pid 6008] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6017] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6014] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6018] <... rseq resumed>) = 0 [pid 6014] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] <... futex resumed>) = 0 [pid 6018] set_robust_list(0x7fb5e51079a0, 24 [pid 6014] <... futex resumed>) = 0 [pid 6018] <... set_robust_list resumed>) = 0 [pid 6014] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] rt_sigprocmask(SIG_SETMASK, [], [pid 6017] <... mremap resumed>) = 0x200000a00000 [pid 6013] <... mmap resumed>) = 0x200000000000 [pid 6012] <... mmap resumed>) = 0x200000000000 [pid 6011] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6010] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6008] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6017] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6013] <... futex resumed>) = 0 [pid 6012] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] <... mprotect resumed>) = 0 [pid 6010] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6008] <... futex resumed>) = 0 [pid 6017] <... futex resumed>) = 1 [pid 6018] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6017] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6012] <... futex resumed>) = 0 [pid 6011] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6010] <... mprotect resumed>) = 0 [pid 6018] <... socketpair resumed>0x200000000200) = 0 [pid 6012] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6010] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6018] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6010] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6018] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6010] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6019 attached [pid 6018] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6020 attached [pid 6019] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6011] <... clone3 resumed> => {parent_tid=[34]}, 88) = 34 [pid 6020] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6019] <... rseq resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 1 [pid 6010] <... clone3 resumed> => {parent_tid=[31]}, 88) = 31 [pid 6011] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] <... rseq resumed>) = 0 [pid 6019] set_robust_list(0x7fb5e51079a0, 24 [pid 6016] sendmmsg(4, [pid 6014] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] rt_sigprocmask(SIG_SETMASK, [], [pid 6020] set_robust_list(0x7fb5e51079a0, 24 [pid 6019] <... set_robust_list resumed>) = 0 [pid 6011] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... set_robust_list resumed>) = 0 [pid 6019] rt_sigprocmask(SIG_SETMASK, [], [pid 6011] <... futex resumed>) = 0 [pid 6010] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6020] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6010] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6011] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 0 [pid 6020] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6019] <... socketpair resumed>0x200000000200) = 0 [pid 6010] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] <... socketpair resumed>0x200000000200) = 0 [pid 6019] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6020] <... futex resumed>) = 1 [pid 6019] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... futex resumed>) = 0 [pid 6020] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6013] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 1 [pid 6010] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6013] sendmmsg(4, [pid 6012] <... futex resumed>) = 0 [pid 6011] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... futex resumed>) = 1 [pid 6012] sendmmsg(4, [pid 6010] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6014] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6014] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6018] <... futex resumed>) = 0 [pid 6018] recvmmsg(3, [pid 6014] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6018] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6018] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6014] <... futex resumed>) = 0 [pid 6018] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6014] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6018] <... mremap resumed>) = 0x200000a00000 [pid 6018] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6018] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6014] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6011] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] <... futex resumed>) = 0 [pid 6014] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 1 [pid 6019] recvmmsg(3, [pid 6014] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6018] <... mremap resumed>) = 0x200000a00000 [pid 6010] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6019] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6018] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = 0 [pid 6019] <... futex resumed>) = 1 [pid 6018] <... futex resumed>) = 1 [pid 6014] <... futex resumed>) = 0 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 1 [pid 6020] recvmmsg(3, [pid 6019] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6018] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6011] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6019] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6010] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6011] <... futex resumed>) = 0 [pid 6020] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6010] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6020] <... futex resumed>) = 0 [pid 6011] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6010] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] <... futex resumed>) = 0 [pid 6019] <... mremap resumed>) = 0x200000a00000 [pid 6020] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6019] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6011] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6011] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6019] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6020] <... mremap resumed>) = 0x200000a00000 [pid 6019] <... mremap resumed>) = 0x200000a00000 [pid 6020] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6019] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] <... futex resumed>) = 1 [pid 6019] <... futex resumed>) = 1 [pid 6011] <... futex resumed>) = 0 [pid 6010] <... futex resumed>) = 0 [pid 6019] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6020] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6010] <... futex resumed>) = 0 [pid 6010] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6020] <... mremap resumed>) = 0x200000a00000 [pid 6020] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6020] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6010] <... futex resumed>) = 0 [pid 6006] close(3 [pid 6007] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6007] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6007] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6006] <... close resumed>) = 0 [pid 6006] close(4) = 0 [pid 6006] close(5) = -1 EBADF (Bad file descriptor) [pid 6006] close(6) = -1 EBADF (Bad file descriptor) [pid 6006] close(7) = -1 EBADF (Bad file descriptor) [pid 6006] close(8) = -1 EBADF (Bad file descriptor) [pid 6006] close(9) = -1 EBADF (Bad file descriptor) [pid 6006] close(10) = -1 EBADF (Bad file descriptor) [pid 6006] close(11) = -1 EBADF (Bad file descriptor) [pid 6006] close(12) = -1 EBADF (Bad file descriptor) [pid 6006] close(13) = -1 EBADF (Bad file descriptor) [pid 6006] close(14) = -1 EBADF (Bad file descriptor) [pid 6006] close(15) = -1 EBADF (Bad file descriptor) [pid 6006] close(16) = -1 EBADF (Bad file descriptor) [pid 6006] close(17) = -1 EBADF (Bad file descriptor) [pid 6006] close(18) = -1 EBADF (Bad file descriptor) [pid 6006] close(19) = -1 EBADF (Bad file descriptor) [pid 6006] close(20) = -1 EBADF (Bad file descriptor) [pid 6006] close(21) = -1 EBADF (Bad file descriptor) [pid 6006] close(22) = -1 EBADF (Bad file descriptor) [pid 6006] close(23) = -1 EBADF (Bad file descriptor) [pid 6006] close(24) = -1 EBADF (Bad file descriptor) [pid 6006] close(25) = -1 EBADF (Bad file descriptor) [pid 6006] close(26) = -1 EBADF (Bad file descriptor) [pid 6006] close(27) = -1 EBADF (Bad file descriptor) [pid 6006] close(28) = -1 EBADF (Bad file descriptor) [pid 6006] close(29) = -1 EBADF (Bad file descriptor) [pid 6006] exit_group(0) = ? [pid 6015] <... futex resumed>) = ? [pid 6007] <... futex resumed>) = ? [pid 6015] +++ exited with 0 +++ [pid 6007] +++ exited with 0 +++ [pid 6006] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5842] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./10/binderfs") = 0 [pid 5842] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./10/cgroup.net") = 0 [pid 5842] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./10/cgroup.cpu") = 0 [pid 5842] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./10/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./10/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./10") = 0 [pid 5842] mkdir("./11", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6021 attached , child_tidptr=0x55558030a690) = 35 [pid 6021] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6021] chdir("./11") = 0 [pid 6021] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6021] setpgid(0, 0) = 0 [pid 6021] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6021] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6021] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6021] write(3, "1000", 4 [pid 6008] close(3 [pid 6021] <... write resumed>) = 4 [pid 6021] close(3) = 0 [pid 6021] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6021] write(1, "executing program\n", 18 [pid 6009] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6008] <... close resumed>) = 0 executing program [pid 6021] <... write resumed>) = 18 [pid 6009] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6008] close(4 [pid 6021] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6009] <... futex resumed>) = 0 [pid 6008] <... close resumed>) = 0 [pid 6008] close(5) = -1 EBADF (Bad file descriptor) [pid 6021] <... futex resumed>) = 0 [pid 6009] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6008] close(6) = -1 EBADF (Bad file descriptor) [pid 6008] close(7) = -1 EBADF (Bad file descriptor) [pid 6008] close(8) = -1 EBADF (Bad file descriptor) [pid 6008] close(9) = -1 EBADF (Bad file descriptor) [pid 6008] close(10) = -1 EBADF (Bad file descriptor) [pid 6008] close(11) = -1 EBADF (Bad file descriptor) [pid 6008] close(12) = -1 EBADF (Bad file descriptor) [pid 6008] close(13) = -1 EBADF (Bad file descriptor) [pid 6008] close(14) = -1 EBADF (Bad file descriptor) [pid 6008] close(15) = -1 EBADF (Bad file descriptor) [pid 6008] close(16) = -1 EBADF (Bad file descriptor) [pid 6008] close(17) = -1 EBADF (Bad file descriptor) [pid 6008] close(18) = -1 EBADF (Bad file descriptor) [pid 6008] close(19) = -1 EBADF (Bad file descriptor) [pid 6008] close(20) = -1 EBADF (Bad file descriptor) [pid 6008] close(21) = -1 EBADF (Bad file descriptor) [pid 6008] close(22) = -1 EBADF (Bad file descriptor) [pid 6008] close(23) = -1 EBADF (Bad file descriptor) [pid 6008] close(24) = -1 EBADF (Bad file descriptor) [pid 6008] close(25) = -1 EBADF (Bad file descriptor) [pid 6008] close(26) = -1 EBADF (Bad file descriptor) [pid 6008] close(27) = -1 EBADF (Bad file descriptor) [pid 6008] close(28) = -1 EBADF (Bad file descriptor) [pid 6008] close(29) = -1 EBADF (Bad file descriptor) [pid 6008] exit_group(0) = ? [pid 6021] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6017] <... futex resumed>) = ? [pid 6009] <... futex resumed>) = ? [pid 6021] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6017] +++ exited with 0 +++ [pid 6021] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6021] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6022 attached [pid 6022] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6021] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 6022] <... rseq resumed>) = 0 [pid 6022] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6022] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6022] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6022] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = 0 [pid 6021] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6021] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6009] +++ exited with 0 +++ [pid 6008] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 6011] close(3 [pid 5840] restart_syscall(<... resuming interrupted clone ...> [pid 6013] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6013] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] close(3 [pid 6013] <... futex resumed>) = 0 [pid 6013] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5840] <... restart_syscall resumed>) = 0 [pid 5840] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./10/binderfs") = 0 [pid 6010] close(3 [pid 5840] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6012] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6010] <... close resumed>) = 0 [pid 6021] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6016] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6014] <... close resumed>) = 0 [pid 6012] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6016] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6012] <... futex resumed>) = 0 [pid 6016] <... futex resumed>) = 0 [pid 6012] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6016] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... futex resumed>) = 0 [pid 6011] <... close resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 6021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./10/cgroup.net") = 0 [pid 5840] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./10/cgroup.cpu") = 0 [pid 6011] close(4 [pid 5840] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6011] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6011] close(5 [pid 5840] newfstatat(AT_FDCWD, "./10/cgroup", [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6011] close(6 [pid 5840] unlink("./10/cgroup" [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6011] close(7 [pid 5840] getdents64(3, [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6011] close(8 [pid 5840] close(3 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... close resumed>) = 0 [pid 6011] close(9 [pid 5840] rmdir("./10" [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... rmdir resumed>) = 0 [pid 6011] close(10) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./11", 0777 [pid 6011] close(11) = -1 EBADF (Bad file descriptor) [pid 5840] <... mkdir resumed>) = 0 [pid 6011] close(12 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6023 attached [pid 6011] close(13) = -1 EBADF (Bad file descriptor) [pid 6023] set_robust_list(0x55558030a6a0, 24 [pid 6011] close(14 [pid 6023] <... set_robust_list resumed>) = 0 [pid 6014] close(4 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 35 [pid 6023] chdir("./11" [pid 6014] <... close resumed>) = 0 [pid 6011] close(15 [pid 6023] <... chdir resumed>) = 0 [pid 6014] close(5 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] close(16 [pid 6023] <... prctl resumed>) = 0 [pid 6014] close(6 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] setpgid(0, 0 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] close(17 [pid 6014] close(7 [pid 6010] close(4 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] close(8 [pid 6010] <... close resumed>) = 0 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] close(9 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(5 [pid 6023] <... setpgid resumed>) = 0 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] close(18 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6014] close(10 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(6 [pid 6023] <... symlink resumed>) = 0 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] close(19 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6014] close(11 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(7 [pid 6023] <... symlink resumed>) = 0 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] close(20 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6014] close(12 [pid 6010] close(8 [pid 6023] <... symlink resumed>) = 0 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6014] close(13 [pid 6011] close(21 [pid 6010] close(9 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... openat resumed>) = 3 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] write(3, "1000", 4 [pid 6010] close(10 [pid 6023] <... write resumed>) = 4 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] close(3 [pid 6010] close(11 [pid 6014] close(14 [pid 6011] close(22 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... close resumed>) = 0 [pid 6010] close(12 [pid 6023] symlink("/dev/binderfs", "./binderfs" [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... symlink resumed>) = 0 [pid 6014] close(15 [pid 6011] close(23 [pid 6010] close(13 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] write(1, "executing program\n", 18 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... write resumed>) = 18 [pid 6014] close(16 [pid 6011] close(24 [pid 6010] close(14 [pid 6023] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... futex resumed>) = 0 [pid 6014] close(17 [pid 6011] close(25 [pid 6010] close(15 [pid 6023] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6014] close(18 [pid 6011] close(26 [pid 6010] close(16 [pid 6023] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6014] close(19 [pid 6011] close(27 [pid 6010] close(17 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(18 [pid 6023] <... mmap resumed>) = 0x7fb5e5108000 [pid 6014] close(20 [pid 6011] close(28 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(19 [pid 6023] <... mprotect resumed>) = 0 [pid 6014] close(21 [pid 6011] close(29 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(20 [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6010] close(21./strace-static-x86_64: Process 6024 attached [pid 6014] close(22 [pid 6011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6023] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6011] exit_group(0 [pid 6010] close(22 [pid 6024] <... rseq resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6019] <... futex resumed>) = ? [pid 6014] close(23 [pid 6013] <... futex resumed>) = ? [pid 6011] <... exit_group resumed>) = ? [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] set_robust_list(0x7fb5e51289a0, 24 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6019] +++ exited with 0 +++ [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6013] +++ exited with 0 +++ [pid 6010] close(23 [pid 6024] <... set_robust_list resumed>) = 0 [pid 6023] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... futex resumed>) = 0 [pid 6010] close(24 [pid 6024] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6024] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6010] close(25 [pid 6014] close(24 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(26 [pid 6014] close(25 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] close(27 [pid 6014] close(26 [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] close(27 [pid 6010] close(28 [pid 6014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6014] close(28) = -1 EBADF (Bad file descriptor) [pid 6014] close(29) = -1 EBADF (Bad file descriptor) [pid 6014] exit_group(0 [pid 6010] close(29 [pid 6018] <... futex resumed>) = ? [pid 6016] <... futex resumed>) = ? [pid 6014] <... exit_group resumed>) = ? [pid 6010] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6010] exit_group(0 [pid 6012] <... futex resumed>) = ? [pid 6010] <... exit_group resumed>) = ? [pid 6020] <... futex resumed>) = ? [pid 6018] +++ exited with 0 +++ [pid 6016] +++ exited with 0 +++ [pid 6012] +++ exited with 0 +++ [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6022] <... mmap resumed>) = 0x200000000000 [pid 6021] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6021] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6021] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6021] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6025 attached [pid 6025] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6021] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 6025] <... rseq resumed>) = 0 [pid 6021] rt_sigprocmask(SIG_SETMASK, [], [pid 6025] set_robust_list(0x7fb5e51079a0, 24 [pid 6021] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6025] <... set_robust_list resumed>) = 0 [pid 6021] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] rt_sigprocmask(SIG_SETMASK, [], [pid 6021] <... futex resumed>) = 0 [pid 6025] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6021] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6025] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6025] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6021] <... futex resumed>) = 0 [pid 6025] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6025] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = 0 [pid 6025] sendmmsg(4, [pid 6021] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6022] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6022] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6014] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 5844] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6020] +++ exited with 0 +++ [pid 6011] +++ exited with 0 +++ [pid 6010] +++ exited with 0 +++ [pid 5844] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=29, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5844] newfstatat(3, "", [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] umount2("./9", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./10/binderfs") = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./9", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] newfstatat(AT_FDCWD, "./10/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5844] unlink("./10/cgroup.net") = 0 [pid 5841] newfstatat(3, "", [pid 5844] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] getdents64(3, [pid 5844] unlink("./10/cgroup.cpu") = 0 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./9/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./10/cgroup", [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./10/cgroup" [pid 5843] <... restart_syscall resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./9/binderfs", [pid 5844] <... unlink resumed>) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] close(3 [pid 5841] unlink("./9/binderfs" [pid 5844] <... close resumed>) = 0 [pid 5843] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] rmdir("./10" [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... unlink resumed>) = 0 [pid 5843] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] umount2("./9/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... rmdir resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] mkdir("./11", 0777 [pid 5841] newfstatat(AT_FDCWD, "./9/cgroup.net", [pid 5844] <... mkdir resumed>) = 0 [pid 5843] newfstatat(3, "", [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] unlink("./9/cgroup.net"./strace-static-x86_64: Process 6026 attached [pid 5843] getdents64(3, [pid 6026] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] <... unlink resumed>) = 0 [pid 6026] chdir("./11" [pid 6021] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 35 [pid 5843] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./9/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6026] <... chdir resumed>) = 0 [pid 6021] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6022] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = 1 [pid 5843] newfstatat(AT_FDCWD, "./10/binderfs", [pid 6026] <... prctl resumed>) = 0 [pid 6022] recvmmsg(3, [pid 6021] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] setpgid(0, 0 [pid 6022] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5843] unlink("./10/binderfs" [pid 6026] <... setpgid resumed>) = 0 [pid 6022] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... unlink resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./9/cgroup.cpu", [pid 6022] <... futex resumed>) = 1 [pid 6021] <... futex resumed>) = 0 [pid 5843] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6022] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = 0 [pid 6026] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5843] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 6022] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6021] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6026] <... symlink resumed>) = 0 [pid 6022] <... mremap resumed>) = 0x200000a00000 [pid 5843] unlink("./10/cgroup.net" [pid 5841] unlink("./9/cgroup.cpu" [pid 6026] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6022] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... unlink resumed>) = 0 [pid 6026] <... symlink resumed>) = 0 [pid 6022] <... futex resumed>) = 0 [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] <... unlink resumed>) = 0 [pid 6026] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6022] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... symlink resumed>) = 0 [pid 6022] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6021] <... futex resumed>) = 0 [pid 5843] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./9/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6022] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6021] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6026] <... openat resumed>) = 3 [pid 6022] <... mremap resumed>) = 0x200000a00000 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6026] write(3, "1000", 4 [pid 6022] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] newfstatat(AT_FDCWD, "./9/cgroup", [pid 6026] <... write resumed>) = 4 [pid 6022] <... futex resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6026] close(3 [pid 6022] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] unlink("./9/cgroup" [pid 6026] <... close resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 6026] symlink("/dev/binderfs", "./binderfs" [pid 6021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5843] newfstatat(AT_FDCWD, "./10/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] getdents64(3, [pid 5843] unlink("./10/cgroup.cpu"executing program [pid 6026] <... symlink resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6026] write(1, "executing program\n", 18 [pid 5841] close(3 [pid 6026] <... write resumed>) = 18 [pid 5843] newfstatat(AT_FDCWD, "./10/cgroup", [pid 5841] <... close resumed>) = 0 [pid 6026] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] rmdir("./9" [pid 6026] <... futex resumed>) = 0 [pid 5843] unlink("./10/cgroup" [pid 5841] <... rmdir resumed>) = 0 [pid 6026] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5841] mkdir("./10", 0777 [pid 6026] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] getdents64(3, [pid 5841] <... mkdir resumed>) = 0 [pid 6026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6026] <... mmap resumed>) = 0x7fb5e5108000 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6026] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5843] close(3./strace-static-x86_64: Process 6027 attached [pid 6026] <... mprotect resumed>) = 0 [pid 5843] <... close resumed>) = 0 [pid 6027] set_robust_list(0x55558030a6a0, 24 [pid 6026] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] rmdir("./10" [pid 6027] <... set_robust_list resumed>) = 0 [pid 6026] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5843] <... rmdir resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 32 ./strace-static-x86_64: Process 6028 attached [pid 6027] chdir("./10" [pid 5843] mkdir("./11", 0777 [pid 6028] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6027] <... chdir resumed>) = 0 [pid 6026] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 6028] <... rseq resumed>) = 0 [pid 5843] <... mkdir resumed>) = 0 [pid 6027] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6028] set_robust_list(0x7fb5e51289a0, 24 [pid 6027] <... prctl resumed>) = 0 [pid 6028] <... set_robust_list resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6028] rt_sigprocmask(SIG_SETMASK, [], [pid 6026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6026] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6026] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6029 attached [pid 6028] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] setpgid(0, 0 [pid 6028] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6027] <... setpgid resumed>) = 0 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 35 [pid 6029] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6029] chdir("./11") = 0 [pid 6029] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6029] setpgid(0, 0) = 0 [pid 6029] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6029] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6029] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6029] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6029] write(3, "1000", 4 [pid 6027] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6029] <... write resumed>) = 4 [pid 6029] close(3) = 0 [pid 6029] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6029] write(1, "executing program\n", 18 [pid 6027] <... symlink resumed>) = 0 [pid 6029] <... write resumed>) = 18 [pid 6029] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6029] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6027] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6029] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6027] <... symlink resumed>) = 0 [pid 6029] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6027] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6029] <... mprotect resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6027] <... symlink resumed>) = 0 [pid 6029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6030 attached [pid 6027] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6029] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6029] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6029] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6030] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6030] set_robust_list(0x7fb5e51289a0, 24 [pid 6027] <... openat resumed>) = 3 [pid 6030] <... set_robust_list resumed>) = 0 [pid 6027] write(3, "1000", 4 [pid 6030] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6027] <... write resumed>) = 4 [pid 6030] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6027] close(3) = 0 [pid 6027] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6027] write(1, "executing program\n", 18executing program ) = 18 [pid 6027] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6027] <... futex resumed>) = 0 [pid 6027] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6026] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6027] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6027] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6027] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6031 attached [pid 6031] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6027] <... clone3 resumed> => {parent_tid=[33]}, 88) = 33 [pid 6031] <... rseq resumed>) = 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6031] set_robust_list(0x7fb5e51289a0, 24 [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6031] <... set_robust_list resumed>) = 0 [pid 6027] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] <... futex resumed>) = 0 [pid 6031] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6031] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6029] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6029] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6024] <... mmap resumed>) = 0x200000000000 [pid 6023] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6024] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6024] <... futex resumed>) = 0 [pid 6023] <... mprotect resumed>) = 0 [pid 6024] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6032 attached [pid 6027] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6023] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 6032] <... rseq resumed>) = 0 [pid 6023] rt_sigprocmask(SIG_SETMASK, [], [pid 6032] set_robust_list(0x7fb5e51079a0, 24 [pid 6023] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6032] <... set_robust_list resumed>) = 0 [pid 6023] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] rt_sigprocmask(SIG_SETMASK, [], [pid 6023] <... futex resumed>) = 0 [pid 6032] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6032] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6032] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6024] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6024] sendmmsg(4, [pid 6023] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6027] <... futex resumed>) = 0 [pid 6027] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6023] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = 0 [pid 6023] <... futex resumed>) = 1 [pid 6032] recvmmsg(3, [pid 6023] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6032] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6032] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] <... futex resumed>) = 0 [pid 6032] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6023] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] <... mremap resumed>) = 0x200000a00000 [pid 6032] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6023] <... futex resumed>) = 0 [pid 6032] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6023] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6032] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6023] <... futex resumed>) = 0 [pid 6032] <... mremap resumed>) = 0x200000a00000 [pid 6023] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6032] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6032] <... futex resumed>) = 0 [pid 6032] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] close(3 [pid 6025] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6021] <... close resumed>) = 0 [pid 6025] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6021] close(4 [pid 6025] <... futex resumed>) = 0 [pid 6025] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6021] <... close resumed>) = 0 [pid 6021] close(5) = -1 EBADF (Bad file descriptor) [pid 6021] close(6) = -1 EBADF (Bad file descriptor) [pid 6021] close(7) = -1 EBADF (Bad file descriptor) [pid 6021] close(8) = -1 EBADF (Bad file descriptor) [pid 6021] close(9) = -1 EBADF (Bad file descriptor) [pid 6021] close(10) = -1 EBADF (Bad file descriptor) [pid 6021] close(11) = -1 EBADF (Bad file descriptor) [pid 6021] close(12) = -1 EBADF (Bad file descriptor) [pid 6021] close(13) = -1 EBADF (Bad file descriptor) [pid 6021] close(14) = -1 EBADF (Bad file descriptor) [pid 6021] close(15) = -1 EBADF (Bad file descriptor) [pid 6021] close(16) = -1 EBADF (Bad file descriptor) [pid 6021] close(17) = -1 EBADF (Bad file descriptor) [pid 6021] close(18) = -1 EBADF (Bad file descriptor) [pid 6021] close(19) = -1 EBADF (Bad file descriptor) [pid 6021] close(20) = -1 EBADF (Bad file descriptor) [pid 6021] close(21) = -1 EBADF (Bad file descriptor) [pid 6021] close(22) = -1 EBADF (Bad file descriptor) [pid 6021] close(23) = -1 EBADF (Bad file descriptor) [pid 6021] close(24) = -1 EBADF (Bad file descriptor) [pid 6021] close(25) = -1 EBADF (Bad file descriptor) [pid 6021] close(26) = -1 EBADF (Bad file descriptor) [pid 6021] close(27) = -1 EBADF (Bad file descriptor) [pid 6021] close(28) = -1 EBADF (Bad file descriptor) [pid 6021] close(29) = -1 EBADF (Bad file descriptor) [pid 6021] exit_group(0 [pid 6022] <... futex resumed>) = ? [pid 6021] <... exit_group resumed>) = ? [pid 6025] <... futex resumed>) = ? [pid 6022] +++ exited with 0 +++ [pid 6030] <... mmap resumed>) = 0x200000000000 [pid 6029] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6030] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6030] <... futex resumed>) = 0 [pid 6029] <... mprotect resumed>) = 0 [pid 6030] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6029] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6033 attached [pid 6033] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6029] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 6033] <... rseq resumed>) = 0 [pid 6029] rt_sigprocmask(SIG_SETMASK, [], [pid 6033] set_robust_list(0x7fb5e51079a0, 24 [pid 6029] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6033] <... set_robust_list resumed>) = 0 [pid 6029] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] <... futex resumed>) = 0 [pid 6033] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6033] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6029] <... futex resumed>) = 0 [pid 6033] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6030] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6030] sendmmsg(4, [pid 6029] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6028] <... mmap resumed>) = 0x200000000000 [pid 6026] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6028] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6028] <... futex resumed>) = 0 [pid 6026] <... mprotect resumed>) = 0 [pid 6028] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6026] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6034 attached [pid 6034] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6026] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 6034] <... rseq resumed>) = 0 [pid 6026] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6034] set_robust_list(0x7fb5e51079a0, 24 [pid 6026] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] <... set_robust_list resumed>) = 0 [pid 6026] <... futex resumed>) = 0 [pid 6034] rt_sigprocmask(SIG_SETMASK, [], [pid 6029] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6026] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6029] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6033] <... futex resumed>) = 0 [pid 6029] <... futex resumed>) = 1 [pid 6034] <... socketpair resumed>0x200000000200) = 0 [pid 6033] recvmmsg(3, [pid 6029] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6033] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6029] <... futex resumed>) = 0 [pid 6033] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... futex resumed>) = 0 [pid 6033] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6029] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... futex resumed>) = 1 [pid 6033] <... mremap resumed>) = 0x200000a00000 [pid 6026] <... futex resumed>) = 0 [pid 6033] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6034] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6033] <... futex resumed>) = 1 [pid 6029] <... futex resumed>) = 0 [pid 6028] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6033] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6028] sendmmsg(4, [pid 6026] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6029] <... futex resumed>) = 0 [pid 6033] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6029] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6033] <... mremap resumed>) = 0x200000a00000 [pid 6033] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6029] <... futex resumed>) = 0 [pid 6033] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6031] <... mmap resumed>) = 0x200000000000 [pid 6027] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6031] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6027] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6031] <... futex resumed>) = 0 [pid 6027] <... mprotect resumed>) = 0 [pid 6031] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6027] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6035 attached => {parent_tid=[34]}, 88) = 34 [pid 6025] +++ exited with 0 +++ [pid 6021] +++ exited with 0 +++ [pid 6035] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6027] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] set_robust_list(0x7fb5e51079a0, 24 [pid 6027] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6035] <... set_robust_list resumed>) = 0 [pid 6027] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 6035] rt_sigprocmask(SIG_SETMASK, [], [pid 6027] <... futex resumed>) = 0 [pid 6035] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6027] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6035] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6035] <... socketpair resumed>0x200000000200) = 0 [pid 5842] newfstatat(3, "", [pid 6035] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6035] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 5842] getdents64(3, [pid 6035] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6031] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6031] sendmmsg(4, [pid 6027] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./11/binderfs") = 0 [pid 5842] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./11/cgroup.net" [pid 6026] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] <... unlink resumed>) = 0 [pid 6026] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] <... futex resumed>) = 0 [pid 6026] <... futex resumed>) = 1 [pid 6034] recvmmsg(3, [pid 6026] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5842] newfstatat(AT_FDCWD, "./11/cgroup.cpu", [pid 6034] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 [pid 5842] unlink("./11/cgroup.cpu" [pid 6034] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... unlink resumed>) = 0 [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... futex resumed>) = 0 [pid 5842] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6034] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6026] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6034] <... mremap resumed>) = 0x200000a00000 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6034] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] newfstatat(AT_FDCWD, "./11/cgroup", [pid 6034] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6034] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] unlink("./11/cgroup" [pid 6034] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6026] <... futex resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6034] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6026] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] close(3) = 0 [pid 5842] rmdir("./11") = 0 [pid 5842] mkdir("./12", 0777 [pid 6034] <... mremap resumed>) = 0x200000a00000 [pid 5842] <... mkdir resumed>) = 0 [pid 6034] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6034] <... futex resumed>) = 1 [pid 6026] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6036 attached [pid 6034] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 38 [pid 6036] <... set_robust_list resumed>) = 0 [pid 6036] chdir("./12" [pid 6023] close(3 [pid 6036] <... chdir resumed>) = 0 [pid 6036] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6036] setpgid(0, 0) = 0 [pid 6024] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6023] <... close resumed>) = 0 [pid 6036] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6024] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] close(4 [pid 6036] <... symlink resumed>) = 0 [pid 6027] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6024] <... futex resumed>) = 0 [pid 6023] <... close resumed>) = 0 [pid 6036] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6024] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] close(5 [pid 6027] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] <... symlink resumed>) = 0 [pid 6035] <... futex resumed>) = 0 [pid 6027] <... futex resumed>) = 1 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6035] recvmmsg(3, [pid 6027] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] close(6 [pid 6036] <... symlink resumed>) = 0 [pid 6035] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6035] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6035] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6023] close(7 [pid 6036] <... openat resumed>) = 3 [pid 6035] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] write(3, "1000", 4 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] <... futex resumed>) = 0 [pid 6023] close(8 [pid 6036] <... write resumed>) = 4 executing program [pid 6035] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6027] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(3 [pid 6023] close(9 [pid 6036] <... close resumed>) = 0 [pid 6036] symlink("/dev/binderfs", "./binderfs" [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... symlink resumed>) = 0 [pid 6023] close(10) = -1 EBADF (Bad file descriptor) [pid 6036] write(1, "executing program\n", 18 [pid 6023] close(11 [pid 6036] <... write resumed>) = 18 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6035] <... mremap resumed>) = 0x200000a00000 [pid 6036] <... futex resumed>) = 0 [pid 6023] close(12 [pid 6035] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6035] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6035] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6027] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] close(13 [pid 6035] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6027] <... futex resumed>) = 0 [pid 6035] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6027] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6036] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] close(14 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... mmap resumed>) = 0x7fb5e5108000 [pid 6023] close(15 [pid 6036] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... mprotect resumed>) = 0 [pid 6023] close(16 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6023] close(17 [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6035] <... mremap resumed>) = 0x200000a00000 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6037 attached [pid 6035] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] close(18 [pid 6037] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6036] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 6035] <... futex resumed>) = 1 [pid 6027] <... futex resumed>) = 0 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] <... rseq resumed>) = 0 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 6035] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6023] close(19 [pid 6037] set_robust_list(0x7fb5e51289a0, 24 [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] <... set_robust_list resumed>) = 0 [pid 6036] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6023] close(20 [pid 6037] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] <... futex resumed>) = 0 [pid 6037] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6037] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6023] close(21) = -1 EBADF (Bad file descriptor) [pid 6023] close(22) = -1 EBADF (Bad file descriptor) [pid 6023] close(23) = -1 EBADF (Bad file descriptor) [pid 6023] close(24) = -1 EBADF (Bad file descriptor) [pid 6023] close(25) = -1 EBADF (Bad file descriptor) [pid 6023] close(26) = -1 EBADF (Bad file descriptor) [pid 6023] close(27) = -1 EBADF (Bad file descriptor) [pid 6023] close(28) = -1 EBADF (Bad file descriptor) [pid 6023] close(29) = -1 EBADF (Bad file descriptor) [pid 6023] exit_group(0 [pid 6032] <... futex resumed>) = ? [pid 6024] <... futex resumed>) = ? [pid 6023] <... exit_group resumed>) = ? [pid 6032] +++ exited with 0 +++ [pid 6036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6036] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6024] +++ exited with 0 +++ [pid 6023] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 5840] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./11/binderfs") = 0 [pid 6037] <... mmap resumed>) = 0x200000000000 [pid 6036] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5840] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6037] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6036] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./11/cgroup.net", [pid 6037] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... mprotect resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6036] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] unlink("./11/cgroup.net" [pid 6036] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6036] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6038 attached [pid 5840] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6038] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6036] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6038] <... rseq resumed>) = 0 [pid 6036] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] newfstatat(AT_FDCWD, "./11/cgroup.cpu", [pid 6038] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6038] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6038] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6038] <... futex resumed>) = 0 [pid 6038] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6036] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6038] <... socketpair resumed>0x200000000200) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./11/cgroup.cpu" [pid 6038] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6038] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6036] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... unlink resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6037] sendmmsg(4, [pid 6036] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./11/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./11") = 0 [pid 5840] mkdir("./12", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6039 attached , child_tidptr=0x55558030a690) = 38 [pid 6039] set_robust_list(0x55558030a6a0, 24 [pid 6036] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6036] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... set_robust_list resumed>) = 0 [pid 6039] chdir("./12") = 0 [pid 6039] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6038] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6039] <... prctl resumed>) = 0 [pid 6038] recvmmsg(3, [pid 6036] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] setpgid(0, 0 [pid 6038] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6039] <... setpgid resumed>) = 0 [pid 6038] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6038] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] <... symlink resumed>) = 0 [pid 6036] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6038] <... futex resumed>) = 0 [pid 6036] <... futex resumed>) = 1 [pid 6039] <... symlink resumed>) = 0 [pid 6039] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6038] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6036] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] <... symlink resumed>) = 0 [pid 6038] <... mremap resumed>) = 0x200000a00000 [pid 6039] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6038] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6038] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6036] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... openat resumed>) = 3 [pid 6038] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6036] <... futex resumed>) = 0 [pid 6039] write(3, "1000", 4) = 4 [pid 6039] close(3) = 0 [pid 6039] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6036] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] write(1, "executing program\n", 18 [pid 6038] <... mremap resumed>) = 0x200000a00000 executing program [pid 6039] <... write resumed>) = 18 [pid 6038] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6038] <... futex resumed>) = 1 [pid 6036] <... futex resumed>) = 0 [pid 6039] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6038] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6039] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6039] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6039] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6040 attached => {parent_tid=[39]}, 88) = 39 [pid 6040] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6040] <... rseq resumed>) = 0 [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] set_robust_list(0x7fb5e51289a0, 24 [pid 6039] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6040] <... set_robust_list resumed>) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6040] rt_sigprocmask(SIG_SETMASK, [], [pid 6039] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6040] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6040] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6029] close(3 [pid 6030] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6029] <... close resumed>) = 0 [pid 6030] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] close(4 [pid 6030] <... futex resumed>) = 0 [pid 6029] <... close resumed>) = 0 [pid 6030] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6029] close(5) = -1 EBADF (Bad file descriptor) [pid 6029] close(6) = -1 EBADF (Bad file descriptor) [pid 6029] close(7) = -1 EBADF (Bad file descriptor) [pid 6029] close(8) = -1 EBADF (Bad file descriptor) [pid 6029] close(9) = -1 EBADF (Bad file descriptor) [pid 6029] close(10) = -1 EBADF (Bad file descriptor) [pid 6029] close(11 [pid 6039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] close(12) = -1 EBADF (Bad file descriptor) [pid 6029] close(13 [pid 6039] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6039] <... futex resumed>) = 0 [pid 6029] close(14 [pid 6039] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6029] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6029] close(15) = -1 EBADF (Bad file descriptor) [pid 6029] close(16) = -1 EBADF (Bad file descriptor) [pid 6029] close(17) = -1 EBADF (Bad file descriptor) [pid 6029] close(18) = -1 EBADF (Bad file descriptor) [pid 6029] close(19) = -1 EBADF (Bad file descriptor) [pid 6029] close(20) = -1 EBADF (Bad file descriptor) [pid 6029] close(21) = -1 EBADF (Bad file descriptor) [pid 6029] close(22) = -1 EBADF (Bad file descriptor) [pid 6029] close(23) = -1 EBADF (Bad file descriptor) [pid 6029] close(24) = -1 EBADF (Bad file descriptor) [pid 6029] close(25) = -1 EBADF (Bad file descriptor) [pid 6029] close(26) = -1 EBADF (Bad file descriptor) [pid 6029] close(27) = -1 EBADF (Bad file descriptor) [pid 6029] close(28) = -1 EBADF (Bad file descriptor) [pid 6029] close(29) = -1 EBADF (Bad file descriptor) [pid 6029] exit_group(0 [pid 6033] <... futex resumed>) = ? [pid 6030] <... futex resumed>) = ? [pid 6029] <... exit_group resumed>) = ? [pid 6033] +++ exited with 0 +++ [pid 6026] close(3 [pid 6028] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6028] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6028] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] <... close resumed>) = 0 [pid 6026] close(4) = 0 [pid 6026] close(5) = -1 EBADF (Bad file descriptor) [pid 6026] close(6) = -1 EBADF (Bad file descriptor) [pid 6026] close(7) = -1 EBADF (Bad file descriptor) [pid 6026] close(8) = -1 EBADF (Bad file descriptor) [pid 6027] close(3 [pid 6026] close(9) = -1 EBADF (Bad file descriptor) [pid 6026] close(10) = -1 EBADF (Bad file descriptor) [pid 6026] close(11) = -1 EBADF (Bad file descriptor) [pid 6026] close(12) = -1 EBADF (Bad file descriptor) [pid 6026] close(13) = -1 EBADF (Bad file descriptor) [pid 6026] close(14) = -1 EBADF (Bad file descriptor) [pid 6026] close(15 [pid 6031] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6027] <... close resumed>) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6026] close(16 [pid 6031] <... futex resumed>) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6031] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6026] close(17 [pid 6027] close(4) = 0 [pid 6027] close(5) = -1 EBADF (Bad file descriptor) [pid 6027] close(6) = -1 EBADF (Bad file descriptor) [pid 6027] close(7) = -1 EBADF (Bad file descriptor) [pid 6027] close(8) = -1 EBADF (Bad file descriptor) [pid 6027] close(9) = -1 EBADF (Bad file descriptor) [pid 6027] close(10) = -1 EBADF (Bad file descriptor) [pid 6027] close(11) = -1 EBADF (Bad file descriptor) [pid 6027] close(12) = -1 EBADF (Bad file descriptor) [pid 6027] close(13) = -1 EBADF (Bad file descriptor) [pid 6027] close(14) = -1 EBADF (Bad file descriptor) [pid 6027] close(15) = -1 EBADF (Bad file descriptor) [pid 6027] close(16) = -1 EBADF (Bad file descriptor) [pid 6027] close(17) = -1 EBADF (Bad file descriptor) [pid 6027] close(18) = -1 EBADF (Bad file descriptor) [pid 6027] close(19) = -1 EBADF (Bad file descriptor) [pid 6027] close(20) = -1 EBADF (Bad file descriptor) [pid 6027] close(21) = -1 EBADF (Bad file descriptor) [pid 6027] close(22) = -1 EBADF (Bad file descriptor) [pid 6027] close(23 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6027] close(24) = -1 EBADF (Bad file descriptor) [pid 6027] close(25) = -1 EBADF (Bad file descriptor) [pid 6027] close(26) = -1 EBADF (Bad file descriptor) [pid 6027] close(27) = -1 EBADF (Bad file descriptor) [pid 6027] close(28) = -1 EBADF (Bad file descriptor) [pid 6027] close(29) = -1 EBADF (Bad file descriptor) [pid 6027] exit_group(0 [pid 6035] <... futex resumed>) = ? [pid 6031] <... futex resumed>) = ? [pid 6027] <... exit_group resumed>) = ? [pid 6026] close(18 [pid 6035] +++ exited with 0 +++ [pid 6031] +++ exited with 0 +++ [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6026] close(19) = -1 EBADF (Bad file descriptor) [pid 6026] close(20) = -1 EBADF (Bad file descriptor) [pid 6026] close(21) = -1 EBADF (Bad file descriptor) [pid 6026] close(22) = -1 EBADF (Bad file descriptor) [pid 6026] close(23) = -1 EBADF (Bad file descriptor) [pid 6026] close(24) = -1 EBADF (Bad file descriptor) [pid 6026] close(25) = -1 EBADF (Bad file descriptor) [pid 6026] close(26 [pid 6040] <... mmap resumed>) = 0x200000000000 [pid 6039] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6030] +++ exited with 0 +++ [pid 6029] +++ exited with 0 +++ [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6026] close(27 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 6040] <... futex resumed>) = 0 [pid 6039] <... mprotect resumed>) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6040] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6026] close(28 [pid 6039] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6039] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6026] close(29 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6042 attached [pid 6026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6042] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6039] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 [pid 6026] exit_group(0 [pid 5843] <... openat resumed>) = 3 [pid 6042] <... rseq resumed>) = 0 [pid 6039] rt_sigprocmask(SIG_SETMASK, [], [pid 6034] <... futex resumed>) = ? [pid 6028] <... futex resumed>) = ? [pid 6026] <... exit_group resumed>) = ? [pid 5843] newfstatat(3, "", [pid 6042] set_robust_list(0x7fb5e51079a0, 24 [pid 6039] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6034] +++ exited with 0 +++ [pid 6028] +++ exited with 0 +++ [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6042] <... set_robust_list resumed>) = 0 [pid 6039] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] getdents64(3, [pid 6042] rt_sigprocmask(SIG_SETMASK, [], [pid 6039] <... futex resumed>) = 0 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6042] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6039] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] <... socketpair resumed>0x200000000200) = 0 [pid 5843] newfstatat(AT_FDCWD, "./11/binderfs", [pid 6042] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6039] <... futex resumed>) = 0 [pid 6042] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] unlink("./11/binderfs" [pid 6039] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 5843] <... unlink resumed>) = 0 [pid 6039] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6040] <... futex resumed>) = 0 [pid 5843] newfstatat(AT_FDCWD, "./11/cgroup.net", [pid 6040] sendmmsg(4, [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./11/cgroup.net") = 0 [pid 5843] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./11/cgroup.cpu") = 0 [pid 5843] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./11/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3 [pid 6027] +++ exited with 0 +++ [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./11") = 0 [pid 5843] mkdir("./12", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=32, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5841] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6043 attached ) = 0 [pid 6043] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 38 [pid 6043] <... set_robust_list resumed>) = 0 [pid 6043] chdir("./12" [pid 5841] umount2("./10", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] <... chdir resumed>) = 0 [pid 6043] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... prctl resumed>) = 0 [pid 5841] openat(AT_FDCWD, "./10", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 6043] setpgid(0, 0 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6043] <... setpgid resumed>) = 0 [pid 5841] getdents64(3, [pid 6043] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6043] <... symlink resumed>) = 0 [pid 5841] umount2("./10/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./10/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6043] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6039] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] unlink("./10/binderfs" [pid 6043] <... symlink resumed>) = 0 [pid 6039] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] close(3 [pid 5841] <... unlink resumed>) = 0 [pid 6043] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6042] <... futex resumed>) = 0 [pid 6039] <... futex resumed>) = 1 [pid 5841] umount2("./10/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6042] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6039] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6042] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6039] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5841] newfstatat(AT_FDCWD, "./10/cgroup.net", [pid 6042] <... futex resumed>) = 0 [pid 6043] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6042] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6043] <... openat resumed>) = 3 [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] <... futex resumed>) = 0 [pid 5841] unlink("./10/cgroup.net" [pid 6042] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6039] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... unlink resumed>) = 0 [pid 6043] write(3, "1000", 4 [pid 6042] <... mremap resumed>) = 0x200000a00000 [pid 6037] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5841] umount2("./10/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] <... write resumed>) = 4 [pid 6042] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] close(3 [pid 6042] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 6037] <... futex resumed>) = 0 [pid 6026] +++ exited with 0 +++ [pid 6043] <... close resumed>) = 0 [pid 6042] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6037] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5841] newfstatat(AT_FDCWD, "./10/cgroup.cpu", [pid 6043] symlink("/dev/binderfs", "./binderfs" [pid 6042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6039] <... futex resumed>) = 0 [pid 5844] restart_syscall(<... resuming interrupted clone ...> [pid 6042] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6039] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... symlink resumed>) = 0 executing program [pid 6042] <... mremap resumed>) = 0x200000a00000 [pid 6036] <... close resumed>) = 0 [pid 5844] <... restart_syscall resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6043] write(1, "executing program\n", 18 [pid 6042] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] unlink("./10/cgroup.cpu" [pid 6043] <... write resumed>) = 18 [pid 6042] <... futex resumed>) = 1 [pid 6039] <... futex resumed>) = 0 [pid 6036] close(4 [pid 6043] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6042] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... unlink resumed>) = 0 [pid 6043] <... futex resumed>) = 0 [pid 5841] umount2("./10/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6043] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6036] <... close resumed>) = 0 [pid 5844] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6043] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6036] close(5 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./10/cgroup", [pid 6043] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] close(6 [pid 5841] unlink("./10/cgroup" [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... openat resumed>) = 3 [pid 5844] newfstatat(3, "", [pid 6036] close(7 [pid 6043] <... mmap resumed>) = 0x7fb5e5108000 [pid 5841] <... unlink resumed>) = 0 [pid 6043] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, [pid 6043] <... mprotect resumed>) = 0 [pid 6036] close(8 [pid 5844] getdents64(3, [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] close(3 [pid 6036] close(9 [pid 5844] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... close resumed>) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] rmdir("./10" [pid 6036] close(10 [pid 5844] newfstatat(AT_FDCWD, "./11/binderfs", [pid 5841] <... rmdir resumed>) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] mkdir("./11", 0777 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6036] close(11 [pid 5844] unlink("./11/binderfs" [pid 5841] <... mkdir resumed>) = 0 [pid 6043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... unlink resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6036] close(12./strace-static-x86_64: Process 6045 attached ./strace-static-x86_64: Process 6044 attached ) = -1 EBADF (Bad file descriptor) [pid 5844] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6044] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6043] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 6045] set_robust_list(0x55558030a6a0, 24 [pid 6044] <... rseq resumed>) = 0 [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] close(13 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 35 [pid 6045] <... set_robust_list resumed>) = 0 [pid 6044] set_robust_list(0x7fb5e51289a0, 24 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] newfstatat(AT_FDCWD, "./11/cgroup.net", [pid 6044] <... set_robust_list resumed>) = 0 [pid 6043] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6036] close(14 [pid 6045] chdir("./11" [pid 6043] <... futex resumed>) = 0 [pid 6043] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6045] <... chdir resumed>) = 0 [pid 6044] rt_sigprocmask(SIG_SETMASK, [], [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6044] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6036] close(15 [pid 6045] <... prctl resumed>) = 0 [pid 6044] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] unlink("./11/cgroup.net" [pid 6036] close(16 [pid 6045] setpgid(0, 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] <... unlink resumed>) = 0 [pid 6045] <... setpgid resumed>) = 0 [pid 6036] close(17 [pid 5844] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6036] close(18 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] <... symlink resumed>) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] newfstatat(AT_FDCWD, "./11/cgroup.cpu", [pid 6045] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6036] close(19 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6045] <... symlink resumed>) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] unlink("./11/cgroup.cpu" [pid 6036] close(20 [pid 6045] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 5844] <... unlink resumed>) = 0 [pid 6036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6036] close(21) = -1 EBADF (Bad file descriptor) [pid 6036] close(22) = -1 EBADF (Bad file descriptor) [pid 6036] close(23) = -1 EBADF (Bad file descriptor) [pid 6036] close(24) = -1 EBADF (Bad file descriptor) [pid 6036] close(25) = -1 EBADF (Bad file descriptor) [pid 6036] close(26) = -1 EBADF (Bad file descriptor) [pid 6036] close(27) = -1 EBADF (Bad file descriptor) [pid 6036] close(28) = -1 EBADF (Bad file descriptor) [pid 6036] close(29) = -1 EBADF (Bad file descriptor) [pid 6036] exit_group(0 [pid 6038] <... futex resumed>) = ? [pid 6037] <... futex resumed>) = ? [pid 6036] <... exit_group resumed>) = ? [pid 6038] +++ exited with 0 +++ [pid 6037] +++ exited with 0 +++ [pid 5844] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6045] <... symlink resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5844] newfstatat(AT_FDCWD, "./11/cgroup", [pid 6045] write(3, "1000", 4 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 executing program [pid 6045] <... write resumed>) = 4 [pid 5844] unlink("./11/cgroup" [pid 6045] close(3) = 0 [pid 6045] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6045] write(1, "executing program\n", 18) = 18 [pid 6045] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6045] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5844] <... unlink resumed>) = 0 [pid 6045] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5844] getdents64(3, [pid 6045] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6043] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] <... futex resumed>) = 0 [pid 5844] close(3 [pid 6045] <... mmap resumed>) = 0x7fb5e5108000 [pid 6043] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] <... close resumed>) = 0 [pid 6045] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5844] rmdir("./11") = 0 [pid 5844] mkdir("./12", 0777 [pid 6045] <... mprotect resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6046 attached [pid 6046] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 38 [pid 6046] <... set_robust_list resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6046] chdir("./12" [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6046] <... chdir resumed>) = 0 [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6046] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6046] setpgid(0, 0) = 0 ./strace-static-x86_64: Process 6047 attached [pid 6047] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6046] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6045] <... clone3 resumed> => {parent_tid=[36]}, 88) = 36 [pid 6047] <... rseq resumed>) = 0 [pid 6046] <... symlink resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6047] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6046] <... symlink resumed>) = 0 [pid 6045] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6045] <... futex resumed>) = 0 [pid 6047] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] <... symlink resumed>) = 0 [pid 6045] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6047] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6047] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6046] <... openat resumed>) = 3 [pid 6046] write(3, "1000", 4) = 4 [pid 6046] close(3) = 0 [pid 6046] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6046] write(1, "executing program\n", 18) = 18 [pid 6046] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6046] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6046] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6045] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6046] <... mprotect resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6048 attached [pid 6048] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6046] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 6048] <... rseq resumed>) = 0 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6048] set_robust_list(0x7fb5e51289a0, 24 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6048] <... set_robust_list resumed>) = 0 [pid 6046] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6048] rt_sigprocmask(SIG_SETMASK, [], [pid 6046] <... futex resumed>) = 0 [pid 6048] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6046] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6048] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6036] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5842] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5842] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./12/binderfs") = 0 [pid 5842] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./12/cgroup.net") = 0 [pid 5842] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./12/cgroup.cpu") = 0 [pid 5842] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./12/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./12") = 0 [pid 5842] mkdir("./13", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558030a690) = 41 ./strace-static-x86_64: Process 6049 attached [pid 6049] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6049] chdir("./13" [pid 6046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6046] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6049] <... chdir resumed>) = 0 [pid 6049] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6049] setpgid(0, 0) = 0 [pid 6049] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6049] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6049] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6049] write(3, "1000", 4) = 4 [pid 6049] close(3) = 0 [pid 6049] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6049] write(1, "executing program\n", 18executing program ) = 18 [pid 6049] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6049] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6044] <... mmap resumed>) = 0x200000000000 [pid 6043] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6049] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6044] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6049] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6044] <... futex resumed>) = 0 [pid 6043] <... mprotect resumed>) = 0 [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6044] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6049] <... mmap resumed>) = 0x7fb5e5108000 [pid 6043] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6049] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6043] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6049] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6050 attached [pid 6050] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6050] <... rseq resumed>) = 0 [pid 6049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6043] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 [pid 6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6043] rt_sigprocmask(SIG_SETMASK, [], [pid 6050] set_robust_list(0x7fb5e51079a0, 24 [pid 6043] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6050] <... set_robust_list resumed>) = 0 [pid 6050] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6050] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6051 attached [pid 6049] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 6043] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6050] <... futex resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6043] <... futex resumed>) = 1 [pid 6051] <... rseq resumed>) = 0 [pid 6050] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6043] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] set_robust_list(0x7fb5e51289a0, 24 [pid 6050] <... socketpair resumed>0x200000000200) = 0 [pid 6049] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6051] <... set_robust_list resumed>) = 0 [pid 6049] <... futex resumed>) = 0 [pid 6051] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6049] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6051] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6050] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6050] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6044] <... futex resumed>) = 0 [pid 6044] sendmmsg(4, [pid 6043] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6039] close(3 [pid 6040] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6040] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6040] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6039] <... close resumed>) = 0 [pid 6039] close(4) = 0 [pid 6039] close(5) = -1 EBADF (Bad file descriptor) [pid 6039] close(6) = -1 EBADF (Bad file descriptor) [pid 6039] close(7) = -1 EBADF (Bad file descriptor) [pid 6039] close(8) = -1 EBADF (Bad file descriptor) [pid 6039] close(9) = -1 EBADF (Bad file descriptor) [pid 6039] close(10) = -1 EBADF (Bad file descriptor) [pid 6039] close(11) = -1 EBADF (Bad file descriptor) [pid 6039] close(12) = -1 EBADF (Bad file descriptor) [pid 6039] close(13) = -1 EBADF (Bad file descriptor) [pid 6039] close(14) = -1 EBADF (Bad file descriptor) [pid 6039] close(15) = -1 EBADF (Bad file descriptor) [pid 6039] close(16) = -1 EBADF (Bad file descriptor) [pid 6039] close(17) = -1 EBADF (Bad file descriptor) [pid 6039] close(18) = -1 EBADF (Bad file descriptor) [pid 6039] close(19) = -1 EBADF (Bad file descriptor) [pid 6039] close(20) = -1 EBADF (Bad file descriptor) [pid 6039] close(21) = -1 EBADF (Bad file descriptor) [pid 6039] close(22) = -1 EBADF (Bad file descriptor) [pid 6039] close(23) = -1 EBADF (Bad file descriptor) [pid 6039] close(24) = -1 EBADF (Bad file descriptor) [pid 6039] close(25) = -1 EBADF (Bad file descriptor) [pid 6039] close(26) = -1 EBADF (Bad file descriptor) [pid 6039] close(27) = -1 EBADF (Bad file descriptor) [pid 6039] close(28) = -1 EBADF (Bad file descriptor) [pid 6039] close(29) = -1 EBADF (Bad file descriptor) [pid 6039] exit_group(0 [pid 6042] <... futex resumed>) = ? [pid 6040] <... futex resumed>) = ? [pid 6039] <... exit_group resumed>) = ? [pid 6042] +++ exited with 0 +++ [pid 6040] +++ exited with 0 +++ [pid 6049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6043] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6049] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6043] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6043] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 0 [pid 6050] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6050] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6050] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6043] <... futex resumed>) = 0 [pid 6050] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6043] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... mremap resumed>) = 0x200000a00000 [pid 6050] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6043] <... futex resumed>) = 0 [pid 6050] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6043] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6050] <... mremap resumed>) = 0x200000a00000 [pid 6043] <... futex resumed>) = 0 [pid 6050] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6050] <... futex resumed>) = 0 [pid 6043] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6050] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6051] <... mmap resumed>) = 0x200000000000 [pid 6049] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6047] <... mmap resumed>) = 0x200000000000 [pid 6039] +++ exited with 0 +++ [pid 6045] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6051] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6045] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 6051] <... futex resumed>) = 0 [pid 6049] <... mprotect resumed>) = 0 [pid 5840] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6051] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6045] <... mprotect resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6049] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6045] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5840] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6049] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6045] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5840] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6052 attached [pid 6045] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5840] newfstatat(3, "", [pid 6052] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6049] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 6052] <... rseq resumed>) = 0 [pid 6049] rt_sigprocmask(SIG_SETMASK, [], [pid 6052] set_robust_list(0x7fb5e51079a0, 24 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6052] <... set_robust_list resumed>) = 0 [pid 6049] <... rt_sigprocmask resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6053 attached [pid 6052] rt_sigprocmask(SIG_SETMASK, [], [pid 6049] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] getdents64(3, [pid 6045] <... clone3 resumed> => {parent_tid=[37]}, 88) = 37 [pid 6053] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6052] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6049] <... futex resumed>) = 0 [pid 6045] rt_sigprocmask(SIG_SETMASK, [], [pid 5840] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6053] <... rseq resumed>) = 0 [pid 6052] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6049] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] set_robust_list(0x7fb5e51079a0, 24 [pid 6052] <... socketpair resumed>0x200000000200) = 0 [pid 6045] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5840] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6053] <... set_robust_list resumed>) = 0 [pid 6052] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] rt_sigprocmask(SIG_SETMASK, [], [pid 6052] <... futex resumed>) = 1 [pid 6049] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6053] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6052] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6045] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] newfstatat(AT_FDCWD, "./12/binderfs", [pid 6053] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6051] <... futex resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6051] sendmmsg(4, [pid 6049] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6053] <... socketpair resumed>0x200000000200) = 0 [pid 6047] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6053] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] unlink("./12/binderfs" [pid 6053] <... futex resumed>) = 1 [pid 6045] <... futex resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6053] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6045] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6047] sendmmsg(4, [pid 6045] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./12/cgroup.net") = 0 [pid 5840] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./12/cgroup.cpu") = 0 [pid 5840] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./12/cgroup") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./12") = 0 [pid 5840] mkdir("./13", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6054 attached [pid 6054] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 41 [pid 6054] <... set_robust_list resumed>) = 0 [pid 6054] chdir("./13") = 0 [pid 6054] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6054] setpgid(0, 0) = 0 [pid 6054] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6054] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6054] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6048] <... mmap resumed>) = 0x200000000000 [pid 6046] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6054] <... symlink resumed>) = 0 [pid 6048] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6054] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6048] <... futex resumed>) = 0 [pid 6054] <... openat resumed>) = 3 [pid 6048] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... mprotect resumed>) = 0 [pid 6054] write(3, "1000", 4) = 4 [pid 6054] close(3 [pid 6046] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6054] <... close resumed>) = 0 [pid 6046] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6046] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6054] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6055 attached [pid 6055] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6055] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6054] <... symlink resumed>) = 0 [pid 6046] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 [pid 6055] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] write(1, "executing program\n", 18 [pid 6046] rt_sigprocmask(SIG_SETMASK, [], [pid 6055] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6055] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 6054] <... write resumed>) = 18 [pid 6054] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6046] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6055] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 1 [pid 6055] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6054] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6046] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6054] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6049] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6054] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6055] <... socketpair resumed>0x200000000200) = 0 [pid 6054] <... mprotect resumed>) = 0 [pid 6049] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6052] <... futex resumed>) = 0 [pid 6049] <... futex resumed>) = 1 [pid 6055] <... futex resumed>) = 1 [pid 6054] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6052] recvmmsg(3, [pid 6049] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6046] <... futex resumed>) = 0 [pid 6055] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6052] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6046] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6056 attached [pid 6052] <... futex resumed>) = 1 [pid 6049] <... futex resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6046] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6052] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... rseq resumed>) = 0 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6049] <... futex resumed>) = 0 [pid 6048] sendmmsg(4, [pid 6056] set_robust_list(0x7fb5e51289a0, 24 [pid 6054] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 6052] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6049] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] <... set_robust_list resumed>) = 0 [pid 6056] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6045] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6056] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6045] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 1 [pid 6056] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 1 [pid 6053] recvmmsg(3, [pid 6045] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6056] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6054] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6053] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6053] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6045] <... futex resumed>) = 0 [pid 6053] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6052] <... mremap resumed>) = 0x200000a00000 [pid 6045] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... mremap resumed>) = 0x200000a00000 [pid 6052] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6049] <... futex resumed>) = 0 [pid 6052] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6049] <... futex resumed>) = 0 [pid 6052] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6049] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6052] <... mremap resumed>) = 0x200000a00000 [pid 6052] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6049] <... futex resumed>) = 0 [pid 6053] <... futex resumed>) = 1 [pid 6053] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6052] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6045] <... futex resumed>) = 0 [pid 6045] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6053] <... futex resumed>) = 0 [pid 6045] <... futex resumed>) = 1 [pid 6053] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6045] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6053] <... mremap resumed>) = 0x200000a00000 [pid 6053] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6045] <... futex resumed>) = 0 [pid 6053] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6046] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 0 [pid 6046] <... futex resumed>) = 1 [pid 6055] recvmmsg(3, [pid 6046] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6055] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6054] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 0 [pid 6055] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6046] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6055] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6046] <... futex resumed>) = 0 [pid 6055] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6046] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] <... mremap resumed>) = 0x200000a00000 [pid 6055] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6046] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6046] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6055] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000) = 0x200000a00000 [pid 6055] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6046] <... futex resumed>) = 0 [pid 6055] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6056] <... mmap resumed>) = 0x200000000000 [pid 6054] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6056] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6056] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6054] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6054] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6057 attached [pid 6057] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6054] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 6057] <... rseq resumed>) = 0 [pid 6054] rt_sigprocmask(SIG_SETMASK, [], [pid 6057] set_robust_list(0x7fb5e51079a0, 24 [pid 6054] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6057] <... set_robust_list resumed>) = 0 [pid 6054] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6057] rt_sigprocmask(SIG_SETMASK, [], [pid 6054] <... futex resumed>) = 0 [pid 6057] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6054] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6057] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6057] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6057] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6056] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 1 [pid 6056] sendmmsg(4, [pid 6054] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] close(3 [pid 6044] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6043] <... close resumed>) = 0 [pid 6043] close(4 [pid 6044] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6044] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... close resumed>) = 0 [pid 6043] close(5) = -1 EBADF (Bad file descriptor) [pid 6043] close(6) = -1 EBADF (Bad file descriptor) [pid 6043] close(7) = -1 EBADF (Bad file descriptor) [pid 6043] close(8) = -1 EBADF (Bad file descriptor) [pid 6043] close(9) = -1 EBADF (Bad file descriptor) [pid 6043] close(10) = -1 EBADF (Bad file descriptor) [pid 6043] close(11) = -1 EBADF (Bad file descriptor) [pid 6043] close(12 [pid 6054] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] close(13 [pid 6057] <... futex resumed>) = 0 [pid 6054] <... futex resumed>) = 1 [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6054] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] close(14 [pid 6057] recvmmsg(3, [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6043] close(15 [pid 6057] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6043] close(16 [pid 6054] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6054] <... futex resumed>) = 0 [pid 6043] close(17 [pid 6054] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] close(18 [pid 6057] <... mremap resumed>) = 0x200000a00000 [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6043] close(19 [pid 6057] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6054] <... futex resumed>) = 0 [pid 6043] close(20 [pid 6057] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6054] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] <... mremap resumed>) = 0x200000a00000 [pid 6043] close(21) = -1 EBADF (Bad file descriptor) [pid 6043] close(22) = -1 EBADF (Bad file descriptor) [pid 6043] close(23) = -1 EBADF (Bad file descriptor) [pid 6043] close(24 [pid 6057] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6057] <... futex resumed>) = 1 [pid 6054] <... futex resumed>) = 0 [pid 6043] close(25 [pid 6057] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6043] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6043] close(26) = -1 EBADF (Bad file descriptor) [pid 6043] close(27) = -1 EBADF (Bad file descriptor) [pid 6043] close(28) = -1 EBADF (Bad file descriptor) [pid 6043] close(29) = -1 EBADF (Bad file descriptor) [pid 6043] exit_group(0 [pid 6050] <... futex resumed>) = ? [pid 6044] <... futex resumed>) = ? [pid 6043] <... exit_group resumed>) = ? [pid 6050] +++ exited with 0 +++ [pid 6044] +++ exited with 0 +++ [pid 6043] +++ exited with 0 +++ [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 5843] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./12/binderfs") = 0 [pid 5843] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./12/cgroup.net") = 0 [pid 5843] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./12/cgroup.cpu") = 0 [pid 5843] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./12/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./12/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./12") = 0 [pid 5843] mkdir("./13", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6058 attached , child_tidptr=0x55558030a690) = 41 [pid 6058] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6058] chdir("./13") = 0 [pid 6058] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6058] setpgid(0, 0) = 0 [pid 6058] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6058] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6058] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6058] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6058] write(3, "1000", 4) = 4 [pid 6058] close(3) = 0 [pid 6058] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6058] write(1, "executing program\n", 18) = 18 [pid 6058] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6058] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6058] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6058] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6059 attached [pid 6059] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6058] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 6059] <... rseq resumed>) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6059] set_robust_list(0x7fb5e51289a0, 24 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6059] <... set_robust_list resumed>) = 0 [pid 6058] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] rt_sigprocmask(SIG_SETMASK, [], [pid 6058] <... futex resumed>) = 0 [pid 6059] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6058] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6049] close(3 [pid 6051] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6049] <... close resumed>) = 0 [pid 6051] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6049] close(4 [pid 6051] <... futex resumed>) = 0 [pid 6051] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6049] <... close resumed>) = 0 [pid 6049] close(5) = -1 EBADF (Bad file descriptor) [pid 6045] close(3 [pid 6058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6049] close(6 [pid 6047] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6047] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6047] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6047] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6049] close(7) = -1 EBADF (Bad file descriptor) [pid 6049] close(8) = -1 EBADF (Bad file descriptor) [pid 6049] close(9) = -1 EBADF (Bad file descriptor) [pid 6049] close(10) = -1 EBADF (Bad file descriptor) [pid 6049] close(11) = -1 EBADF (Bad file descriptor) [pid 6049] close(12) = -1 EBADF (Bad file descriptor) [pid 6049] close(13) = -1 EBADF (Bad file descriptor) [pid 6049] close(14) = -1 EBADF (Bad file descriptor) [pid 6049] close(15) = -1 EBADF (Bad file descriptor) [pid 6049] close(16) = -1 EBADF (Bad file descriptor) [pid 6049] close(17) = -1 EBADF (Bad file descriptor) [pid 6049] close(18) = -1 EBADF (Bad file descriptor) [pid 6049] close(19) = -1 EBADF (Bad file descriptor) [pid 6049] close(20) = -1 EBADF (Bad file descriptor) [pid 6049] close(21) = -1 EBADF (Bad file descriptor) [pid 6049] close(22) = -1 EBADF (Bad file descriptor) [pid 6049] close(23) = -1 EBADF (Bad file descriptor) [pid 6049] close(24) = -1 EBADF (Bad file descriptor) [pid 6049] close(25) = -1 EBADF (Bad file descriptor) [pid 6049] close(26) = -1 EBADF (Bad file descriptor) [pid 6049] close(27) = -1 EBADF (Bad file descriptor) [pid 6049] close(28) = -1 EBADF (Bad file descriptor) [pid 6049] close(29) = -1 EBADF (Bad file descriptor) [pid 6049] exit_group(0 [pid 6052] <... futex resumed>) = ? [pid 6051] <... futex resumed>) = ? [pid 6049] <... exit_group resumed>) = ? [pid 6052] +++ exited with 0 +++ [pid 6051] +++ exited with 0 +++ [pid 6046] close(3 [pid 6045] <... close resumed>) = 0 [pid 6048] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6045] close(4 [pid 6048] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6046] <... close resumed>) = 0 [pid 6045] <... close resumed>) = 0 [pid 6048] <... futex resumed>) = 0 [pid 6046] close(4 [pid 6048] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6046] <... close resumed>) = 0 [pid 6046] close(5) = -1 EBADF (Bad file descriptor) [pid 6046] close(6) = -1 EBADF (Bad file descriptor) [pid 6045] close(5 [pid 6046] close(7) = -1 EBADF (Bad file descriptor) [pid 6046] close(8 [pid 6045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6045] close(6 [pid 6046] close(9 [pid 6045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6046] close(10) = -1 EBADF (Bad file descriptor) [pid 6046] close(11) = -1 EBADF (Bad file descriptor) [pid 6046] close(12) = -1 EBADF (Bad file descriptor) [pid 6046] close(13) = -1 EBADF (Bad file descriptor) [pid 6046] close(14) = -1 EBADF (Bad file descriptor) [pid 6046] close(15) = -1 EBADF (Bad file descriptor) [pid 6046] close(16) = -1 EBADF (Bad file descriptor) [pid 6046] close(17) = -1 EBADF (Bad file descriptor) [pid 6046] close(18) = -1 EBADF (Bad file descriptor) [pid 6046] close(19) = -1 EBADF (Bad file descriptor) [pid 6046] close(20) = -1 EBADF (Bad file descriptor) [pid 6046] close(21) = -1 EBADF (Bad file descriptor) [pid 6046] close(22) = -1 EBADF (Bad file descriptor) [pid 6046] close(23) = -1 EBADF (Bad file descriptor) [pid 6046] close(24) = -1 EBADF (Bad file descriptor) [pid 6046] close(25) = -1 EBADF (Bad file descriptor) [pid 6046] close(26) = -1 EBADF (Bad file descriptor) [pid 6046] close(27) = -1 EBADF (Bad file descriptor) [pid 6046] close(28) = -1 EBADF (Bad file descriptor) [pid 6046] close(29) = -1 EBADF (Bad file descriptor) [pid 6046] exit_group(0 [pid 6048] <... futex resumed>) = ? [pid 6046] <... exit_group resumed>) = ? [pid 6055] <... futex resumed>) = ? [pid 6048] +++ exited with 0 +++ [pid 6045] close(7) = -1 EBADF (Bad file descriptor) [pid 6045] close(8) = -1 EBADF (Bad file descriptor) [pid 6045] close(9) = -1 EBADF (Bad file descriptor) [pid 6045] close(10) = -1 EBADF (Bad file descriptor) [pid 6045] close(11) = -1 EBADF (Bad file descriptor) [pid 6045] close(12) = -1 EBADF (Bad file descriptor) [pid 6045] close(13) = -1 EBADF (Bad file descriptor) [pid 6045] close(14) = -1 EBADF (Bad file descriptor) [pid 6045] close(15) = -1 EBADF (Bad file descriptor) [pid 6045] close(16) = -1 EBADF (Bad file descriptor) [pid 6045] close(17) = -1 EBADF (Bad file descriptor) [pid 6045] close(18) = -1 EBADF (Bad file descriptor) [pid 6045] close(19) = -1 EBADF (Bad file descriptor) [pid 6045] close(20) = -1 EBADF (Bad file descriptor) [pid 6045] close(21) = -1 EBADF (Bad file descriptor) [pid 6045] close(22) = -1 EBADF (Bad file descriptor) [pid 6045] close(23) = -1 EBADF (Bad file descriptor) [pid 6045] close(24) = -1 EBADF (Bad file descriptor) [pid 6045] close(25) = -1 EBADF (Bad file descriptor) [pid 6045] close(26) = -1 EBADF (Bad file descriptor) [pid 6045] close(27) = -1 EBADF (Bad file descriptor) [pid 6045] close(28) = -1 EBADF (Bad file descriptor) [pid 6045] close(29) = -1 EBADF (Bad file descriptor) [pid 6045] exit_group(0 [pid 6047] <... futex resumed>) = ? [pid 6045] <... exit_group resumed>) = ? [pid 6053] <... futex resumed>) = ? [pid 6047] +++ exited with 0 +++ [pid 6053] +++ exited with 0 +++ [pid 6054] close(3 [pid 6056] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6056] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6056] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6054] <... close resumed>) = 0 [pid 6054] close(4) = 0 [pid 6054] close(5) = -1 EBADF (Bad file descriptor) [pid 6054] close(6) = -1 EBADF (Bad file descriptor) [pid 6054] close(7) = -1 EBADF (Bad file descriptor) [pid 6054] close(8) = -1 EBADF (Bad file descriptor) [pid 6054] close(9) = -1 EBADF (Bad file descriptor) [pid 6054] close(10) = -1 EBADF (Bad file descriptor) [pid 6054] close(11) = -1 EBADF (Bad file descriptor) [pid 6054] close(12) = -1 EBADF (Bad file descriptor) [pid 6054] close(13) = -1 EBADF (Bad file descriptor) [pid 6054] close(14) = -1 EBADF (Bad file descriptor) [pid 6054] close(15) = -1 EBADF (Bad file descriptor) [pid 6054] close(16) = -1 EBADF (Bad file descriptor) [pid 6054] close(17) = -1 EBADF (Bad file descriptor) [pid 6054] close(18) = -1 EBADF (Bad file descriptor) [pid 6054] close(19) = -1 EBADF (Bad file descriptor) [pid 6054] close(20) = -1 EBADF (Bad file descriptor) [pid 6054] close(21) = -1 EBADF (Bad file descriptor) [pid 6054] close(22) = -1 EBADF (Bad file descriptor) [pid 6054] close(23) = -1 EBADF (Bad file descriptor) [pid 6054] close(24) = -1 EBADF (Bad file descriptor) [pid 6054] close(25) = -1 EBADF (Bad file descriptor) [pid 6054] close(26) = -1 EBADF (Bad file descriptor) [pid 6054] close(27) = -1 EBADF (Bad file descriptor) [pid 6054] close(28) = -1 EBADF (Bad file descriptor) [pid 6054] close(29) = -1 EBADF (Bad file descriptor) [pid 6054] exit_group(0 [pid 6056] <... futex resumed>) = ? [pid 6057] <... futex resumed>) = ? [pid 6054] <... exit_group resumed>) = ? [pid 6056] +++ exited with 0 +++ [pid 6059] <... mmap resumed>) = 0x200000000000 [pid 6055] +++ exited with 0 +++ [pid 6049] +++ exited with 0 +++ [pid 6046] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 6059] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=36 /* 0.36 s */} --- [pid 6059] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5844] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... openat resumed>) = 3 [pid 6058] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(3, "", [pid 5844] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, [pid 5844] newfstatat(3, "", [pid 5842] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] getdents64(3, [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./12/binderfs", [pid 5842] unlink("./13/binderfs" [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5844] unlink("./12/binderfs" [pid 5842] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... unlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./13/cgroup.net", [pid 5844] newfstatat(AT_FDCWD, "./12/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./13/cgroup.net" [pid 5844] unlink("./12/cgroup.net") = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./12/cgroup.cpu", [pid 5842] newfstatat(AT_FDCWD, "./13/cgroup.cpu", [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./12/cgroup.cpu" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./13/cgroup.cpu" [pid 5844] <... unlink resumed>) = 0 [pid 5842] <... unlink resumed>) = 0 [pid 5844] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] newfstatat(AT_FDCWD, "./12/cgroup", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./12/cgroup" [pid 5842] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./13/cgroup" [pid 5844] <... unlink resumed>) = 0 [pid 5844] getdents64(3, [pid 5842] <... unlink resumed>) = 0 [pid 6058] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6058] <... mprotect resumed>) = 0 [pid 5844] <... close resumed>) = 0 [pid 5842] close(3 [pid 5844] rmdir("./12" [pid 5842] <... close resumed>) = 0 [pid 5842] rmdir("./13" [pid 5844] <... rmdir resumed>) = 0 [pid 5844] mkdir("./13", 0777 [pid 5842] <... rmdir resumed>) = 0 [pid 5842] mkdir("./14", 0777 [pid 6058] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] <... mkdir resumed>) = 0 [pid 6058] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5842] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6060 attached [pid 6058] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6060] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 41 [pid 6060] <... set_robust_list resumed>) = 0 [pid 6060] chdir("./13" [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6061 attached [pid 6060] <... chdir resumed>) = 0 [pid 6061] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6058] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 6060] <... prctl resumed>) = 0 [pid 6058] rt_sigprocmask(SIG_SETMASK, [], [pid 6060] setpgid(0, 0 [pid 6058] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] <... setpgid resumed>) = 0 [pid 6058] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... rseq resumed>) = 0 [pid 6061] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6060] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6058] <... futex resumed>) = 0 [pid 6061] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6061] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6060] <... symlink resumed>) = 0 [pid 6058] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6061] <... socketpair resumed>0x200000000200) = 0 [pid 6060] <... symlink resumed>) = 0 [pid 6061] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6061] <... futex resumed>) = 1 [pid 6061] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6062 attached [pid 6062] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 44 [pid 6062] <... set_robust_list resumed>) = 0 [pid 6062] chdir("./14") = 0 [pid 6062] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6062] setpgid(0, 0) = 0 [pid 6062] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6060] <... symlink resumed>) = 0 [pid 6058] <... futex resumed>) = 0 [pid 6060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6058] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6060] <... openat resumed>) = 3 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6062] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6060] write(3, "1000", 4 [pid 6059] sendmmsg(4, [pid 6058] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] <... symlink resumed>) = 0 [pid 6060] <... write resumed>) = 4 [pid 6060] close(3 [pid 6062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6060] <... close resumed>) = 0 [pid 6060] symlink("/dev/binderfs", "./binderfs" [pid 6062] <... openat resumed>) = 3 executing program [pid 6060] <... symlink resumed>) = 0 [pid 6062] write(3, "1000", 4 [pid 6060] write(1, "executing program\n", 18) = 18 [pid 6060] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... write resumed>) = 4 [pid 6062] close(3) = 0 [pid 6062] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6060] <... futex resumed>) = 0 executing program [pid 6062] write(1, "executing program\n", 18) = 18 [pid 6062] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6062] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6062] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6060] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6062] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6060] <... rt_sigaction resumed>NULL, 8) = 0 ./strace-static-x86_64: Process 6063 attached [pid 6060] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6063] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6062] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] set_robust_list(0x7fb5e51289a0, 24 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6063] <... set_robust_list resumed>) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6063] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6063] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6062] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... mmap resumed>) = 0x7fb5e5108000 [pid 6063] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6062] <... futex resumed>) = 0 [pid 6062] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6060] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6057] +++ exited with 0 +++ [pid 6054] +++ exited with 0 +++ [pid 6045] +++ exited with 0 +++ [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=35, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 6060] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6064 attached NULL, 8) = 0 [pid 5841] umount2("./11", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6064] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6060] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6064] <... rseq resumed>) = 0 [pid 6060] <... futex resumed>) = 0 [pid 5841] openat(AT_FDCWD, "./11", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6064] set_robust_list(0x7fb5e51289a0, 24 [pid 6060] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] <... openat resumed>) = 3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6064] <... set_robust_list resumed>) = 0 [pid 5841] newfstatat(3, "", [pid 6064] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6064] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] getdents64(3, [pid 6064] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./11/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./11/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./11/binderfs") = 0 [pid 5841] umount2("./11/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./11/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./11/cgroup.net" [pid 5840] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] <... unlink resumed>) = 0 [pid 5841] umount2("./11/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./11/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./11/cgroup.cpu") = 0 [pid 5841] umount2("./11/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./11/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... openat resumed>) = 3 [pid 5841] unlink("./11/cgroup") = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./11") = 0 [pid 5841] mkdir("./12", 0777) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6065 attached [pid 6058] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5840] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6058] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] recvmmsg(3, [pid 6058] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6061] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6061] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6061] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] set_robust_list(0x55558030a6a0, 24 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 38 [pid 6065] <... set_robust_list resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6065] chdir("./12" [pid 5840] unlink("./13/binderfs" [pid 6065] <... chdir resumed>) = 0 [pid 6065] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6065] setpgid(0, 0 [pid 5840] <... unlink resumed>) = 0 [pid 6065] <... setpgid resumed>) = 0 [pid 5840] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6065] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6058] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6065] <... symlink resumed>) = 0 [pid 6058] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] newfstatat(AT_FDCWD, "./13/cgroup.net", [pid 6061] <... futex resumed>) = 0 [pid 6058] <... futex resumed>) = 1 [pid 6065] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6058] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5840] unlink("./13/cgroup.net" [pid 6065] <... symlink resumed>) = 0 [pid 6065] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6065] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6065] write(3, "1000", 4) = 4 [pid 6065] close(3) = 0 [pid 6061] <... mremap resumed>) = 0x200000a00000 [pid 6065] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6061] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... unlink resumed>) = 0 [pid 6061] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = 0 [pid 5840] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6061] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6058] <... futex resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./13/cgroup.cpu", [pid 6061] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6058] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] write(1, "executing program\n", 18 [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6061] <... mremap resumed>) = 0x200000a00000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6061] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] unlink("./13/cgroup.cpu" [pid 6065] <... write resumed>) = 18 [pid 6062] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6061] <... futex resumed>) = 1 [pid 6058] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6061] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULLexecuting program [pid 5840] <... unlink resumed>) = 0 [pid 6065] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6065] <... futex resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./13/cgroup", [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6065] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6060] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6060] <... futex resumed>) = 0 [pid 6065] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5840] unlink("./13/cgroup" [pid 6065] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6065] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6066 attached [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, [pid 6066] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6065] <... clone3 resumed> => {parent_tid=[39]}, 88) = 39 [pid 6066] <... rseq resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6066] set_robust_list(0x7fb5e51289a0, 24 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6066] <... set_robust_list resumed>) = 0 [pid 6065] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... futex resumed>) = 0 [pid 6066] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6066] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5840] rmdir("./13") = 0 [pid 5840] mkdir("./14", 0777) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6067 attached [pid 6067] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 44 [pid 6067] <... set_robust_list resumed>) = 0 [pid 6067] chdir("./14") = 0 [pid 6067] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6067] setpgid(0, 0) = 0 [pid 6067] symlink("/syzcgroup/unified/syz0", "./cgroup") = 0 [pid 6067] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 6067] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6067] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6067] write(3, "1000", 4) = 4 [pid 6065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6067] close(3) = 0 [pid 6067] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6067] write(1, "executing program\n", 18) = 18 [pid 6067] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... futex resumed>) = 0 [pid 6067] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6067] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6065] <... futex resumed>) = 0 [pid 6065] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6067] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6067] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6068 attached [pid 6068] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6067] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 6068] <... rseq resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6068] set_robust_list(0x7fb5e51289a0, 24 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] <... set_robust_list resumed>) = 0 [pid 6067] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6068] rt_sigprocmask(SIG_SETMASK, [], [pid 6067] <... futex resumed>) = 0 [pid 6068] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6068] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6067] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6063] <... mmap resumed>) = 0x200000000000 [pid 6062] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6062] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6063] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6063] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... mprotect resumed>) = 0 [pid 6062] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6062] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6069 attached => {parent_tid=[46]}, 88) = 46 [pid 6062] rt_sigprocmask(SIG_SETMASK, [], [pid 6069] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6062] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] set_robust_list(0x7fb5e51079a0, 24 [pid 6062] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... set_robust_list resumed>) = 0 [pid 6062] <... futex resumed>) = 0 [pid 6069] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6069] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6069] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6069] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6063] <... futex resumed>) = 0 [pid 6063] sendmmsg(4, [pid 6062] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6067] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6067] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6058] close(3 [pid 6062] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6059] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6058] <... close resumed>) = 0 [pid 6062] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6059] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] close(4 [pid 6069] <... futex resumed>) = 0 [pid 6062] <... futex resumed>) = 1 [pid 6059] <... futex resumed>) = 0 [pid 6058] <... close resumed>) = 0 [pid 6069] recvmmsg(3, [pid 6062] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6059] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] close(5 [pid 6069] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6069] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] close(6 [pid 6069] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6069] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] <... futex resumed>) = 0 [pid 6069] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6062] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... mremap resumed>) = 0x200000a00000 [pid 6069] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6058] close(7 [pid 6069] <... futex resumed>) = 1 [pid 6062] <... futex resumed>) = 0 [pid 6069] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6069] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6062] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6069] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6058] close(8 [pid 6062] <... futex resumed>) = 0 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6058] close(9) = -1 EBADF (Bad file descriptor) [pid 6058] close(10) = -1 EBADF (Bad file descriptor) [pid 6058] close(11) = -1 EBADF (Bad file descriptor) [pid 6058] close(12) = -1 EBADF (Bad file descriptor) [pid 6058] close(13) = -1 EBADF (Bad file descriptor) [pid 6058] close(14) = -1 EBADF (Bad file descriptor) [pid 6058] close(15) = -1 EBADF (Bad file descriptor) [pid 6058] close(16) = -1 EBADF (Bad file descriptor) [pid 6058] close(17) = -1 EBADF (Bad file descriptor) [pid 6058] close(18) = -1 EBADF (Bad file descriptor) [pid 6058] close(19) = -1 EBADF (Bad file descriptor) [pid 6058] close(20) = -1 EBADF (Bad file descriptor) [pid 6058] close(21 [pid 6069] <... mremap resumed>) = 0x200000a00000 [pid 6058] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6062] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6069] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6069] <... futex resumed>) = 0 [pid 6069] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6058] close(22) = -1 EBADF (Bad file descriptor) [pid 6058] close(23) = -1 EBADF (Bad file descriptor) [pid 6058] close(24) = -1 EBADF (Bad file descriptor) [pid 6058] close(25) = -1 EBADF (Bad file descriptor) [pid 6058] close(26) = -1 EBADF (Bad file descriptor) [pid 6058] close(27) = -1 EBADF (Bad file descriptor) [pid 6058] close(28) = -1 EBADF (Bad file descriptor) [pid 6058] close(29) = -1 EBADF (Bad file descriptor) [pid 6058] exit_group(0 [pid 6061] <... futex resumed>) = ? [pid 6059] <... futex resumed>) = ? [pid 6058] <... exit_group resumed>) = ? [pid 6061] +++ exited with 0 +++ [pid 6059] +++ exited with 0 +++ [pid 6064] <... mmap resumed>) = 0x200000000000 [pid 6060] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6064] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6064] <... futex resumed>) = 0 [pid 6060] <... mprotect resumed>) = 0 [pid 6064] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6060] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6070 attached [pid 6070] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6060] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 6070] <... rseq resumed>) = 0 [pid 6060] rt_sigprocmask(SIG_SETMASK, [], [pid 6070] set_robust_list(0x7fb5e51079a0, 24 [pid 6060] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6070] <... set_robust_list resumed>) = 0 [pid 6060] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] rt_sigprocmask(SIG_SETMASK, [], [pid 6060] <... futex resumed>) = 0 [pid 6070] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6060] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6070] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6070] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6070] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6064] <... futex resumed>) = 0 [pid 6060] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6064] sendmmsg(4, [pid 6065] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6066] <... mmap resumed>) = 0x200000000000 [pid 6058] +++ exited with 0 +++ [pid 6066] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6065] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6066] <... futex resumed>) = 0 [pid 6065] <... mprotect resumed>) = 0 [pid 6066] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 6065] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 6065] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6071 attached [pid 6071] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6065] <... clone3 resumed> => {parent_tid=[40]}, 88) = 40 [pid 6071] <... rseq resumed>) = 0 [pid 6065] rt_sigprocmask(SIG_SETMASK, [], [pid 6071] set_robust_list(0x7fb5e51079a0, 24 [pid 6065] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6071] <... set_robust_list resumed>) = 0 [pid 6065] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] rt_sigprocmask(SIG_SETMASK, [], [pid 6065] <... futex resumed>) = 0 [pid 6071] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6071] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6071] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6071] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 1 [pid 6066] sendmmsg(4, [pid 6065] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5843] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./13/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./13/binderfs") = 0 [pid 5843] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./13/cgroup.net") = 0 [pid 5843] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6060] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] unlink("./13/cgroup.cpu" [pid 6060] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... unlink resumed>) = 0 [pid 6070] <... futex resumed>) = 0 [pid 6060] <... futex resumed>) = 1 [pid 5843] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6070] recvmmsg(3, [pid 6060] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6070] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5843] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6070] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] unlink("./13/cgroup" [pid 6070] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 5843] getdents64(3, [pid 6070] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6060] <... futex resumed>) = 0 [pid 5843] close(3 [pid 6070] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6060] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./13") = 0 [pid 6070] <... mremap resumed>) = 0x200000a00000 [pid 6068] <... mmap resumed>) = 0x200000000000 [pid 6067] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6070] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6070] <... futex resumed>) = 1 [pid 6060] <... futex resumed>) = 0 [pid 6070] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6070] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6068] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 5843] mkdir("./14", 0777 [pid 6070] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6068] <... futex resumed>) = 0 [pid 6067] <... mprotect resumed>) = 0 [pid 6060] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] <... mkdir resumed>) = 0 [pid 6068] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558030a690) = 44 ./strace-static-x86_64: Process 6072 attached [pid 6070] <... mremap resumed>) = 0x200000a00000 [pid 6067] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6072] set_robust_list(0x55558030a6a0, 24 [pid 6070] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... futex resumed>) = 0 [pid 6072] <... set_robust_list resumed>) = 0 [pid 6070] <... futex resumed>) = 1 [pid 6070] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6072] chdir("./14" [pid 6067] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6073 attached [pid 6072] <... chdir resumed>) = 0 [pid 6073] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6067] <... clone3 resumed> => {parent_tid=[46]}, 88) = 46 [pid 6073] <... rseq resumed>) = 0 [pid 6072] <... prctl resumed>) = 0 [pid 6067] rt_sigprocmask(SIG_SETMASK, [], [pid 6073] set_robust_list(0x7fb5e51079a0, 24 [pid 6072] setpgid(0, 0 [pid 6067] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] <... setpgid resumed>) = 0 [pid 6073] <... set_robust_list resumed>) = 0 [pid 6067] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6067] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6073] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6067] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6072] <... symlink resumed>) = 0 [pid 6071] <... futex resumed>) = 0 [pid 6065] <... futex resumed>) = 1 [pid 6073] <... socketpair resumed>0x200000000200) = 0 [pid 6072] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6071] recvmmsg(3, [pid 6065] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6071] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6067] <... futex resumed>) = 0 [pid 6073] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... symlink resumed>) = 0 [pid 6071] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] <... futex resumed>) = 1 [pid 6068] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6072] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6071] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6068] sendmmsg(4, [pid 6067] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6065] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... symlink resumed>) = 0 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 6072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6071] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6065] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... openat resumed>) = 3 [pid 6071] <... mremap resumed>) = 0x200000a00000 [pid 6072] write(3, "1000", 4 [pid 6071] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... write resumed>) = 4 [pid 6071] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6072] close(3 [pid 6071] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6065] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... close resumed>) = 0 [pid 6071] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6065] <... futex resumed>) = 0 [pid 6072] symlink("/dev/binderfs", "./binderfs" [pid 6071] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6065] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6072] <... symlink resumed>) = 0 [pid 6071] <... mremap resumed>) = 0x200000a00000 executing program [pid 6072] write(1, "executing program\n", 18 [pid 6071] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... write resumed>) = 18 [pid 6071] <... futex resumed>) = 1 [pid 6065] <... futex resumed>) = 0 [pid 6072] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6071] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... futex resumed>) = 0 [pid 6072] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6072] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6072] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6074 attached [pid 6074] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6074] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6074] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 6074] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6074] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6074] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 1 [pid 6074] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6072] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6067] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6067] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = 0 [pid 6067] <... futex resumed>) = 1 [pid 6073] recvmmsg(3, [pid 6067] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6073] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6073] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 [pid 6073] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6067] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... mremap resumed>) = 0x200000a00000 [pid 6073] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6073] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6067] <... futex resumed>) = 0 [pid 6073] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6067] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6073] <... mremap resumed>) = 0x200000a00000 [pid 6073] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6067] <... futex resumed>) = 0 [pid 6073] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6072] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6074] <... mmap resumed>) = 0x200000000000 [pid 6074] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6074] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6072] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6072] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6072] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6075 attached [pid 6075] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6072] <... clone3 resumed> => {parent_tid=[46]}, 88) = 46 [pid 6075] <... rseq resumed>) = 0 [pid 6072] rt_sigprocmask(SIG_SETMASK, [], [pid 6062] close(3 [pid 6075] set_robust_list(0x7fb5e51079a0, 24 [pid 6072] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6075] <... set_robust_list resumed>) = 0 [pid 6072] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] rt_sigprocmask(SIG_SETMASK, [], [pid 6072] <... futex resumed>) = 0 [pid 6075] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6072] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6075] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6062] <... close resumed>) = 0 [pid 6062] close(4 [pid 6075] <... futex resumed>) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6063] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6063] <... futex resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 1 [pid 6063] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6062] <... close resumed>) = 0 [pid 6074] sendmmsg(4, [pid 6072] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6062] close(5) = -1 EBADF (Bad file descriptor) [pid 6062] close(6) = -1 EBADF (Bad file descriptor) [pid 6062] close(7) = -1 EBADF (Bad file descriptor) [pid 6062] close(8) = -1 EBADF (Bad file descriptor) [pid 6062] close(9) = -1 EBADF (Bad file descriptor) [pid 6062] close(10) = -1 EBADF (Bad file descriptor) [pid 6062] close(11) = -1 EBADF (Bad file descriptor) [pid 6062] close(12) = -1 EBADF (Bad file descriptor) [pid 6062] close(13) = -1 EBADF (Bad file descriptor) [pid 6062] close(14) = -1 EBADF (Bad file descriptor) [pid 6062] close(15) = -1 EBADF (Bad file descriptor) [pid 6062] close(16) = -1 EBADF (Bad file descriptor) [pid 6062] close(17) = -1 EBADF (Bad file descriptor) [pid 6062] close(18) = -1 EBADF (Bad file descriptor) [pid 6062] close(19) = -1 EBADF (Bad file descriptor) [pid 6062] close(20) = -1 EBADF (Bad file descriptor) [pid 6062] close(21) = -1 EBADF (Bad file descriptor) [pid 6062] close(22) = -1 EBADF (Bad file descriptor) [pid 6062] close(23) = -1 EBADF (Bad file descriptor) [pid 6062] close(24) = -1 EBADF (Bad file descriptor) [pid 6062] close(25) = -1 EBADF (Bad file descriptor) [pid 6062] close(26) = -1 EBADF (Bad file descriptor) [pid 6062] close(27) = -1 EBADF (Bad file descriptor) [pid 6062] close(28) = -1 EBADF (Bad file descriptor) [pid 6062] close(29) = -1 EBADF (Bad file descriptor) [pid 6062] exit_group(0) = ? [pid 6069] <... futex resumed>) = ? [pid 6063] <... futex resumed>) = ? [pid 6069] +++ exited with 0 +++ [pid 6072] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6072] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = 0 [pid 6072] <... futex resumed>) = 1 [pid 6075] recvmmsg(3, [pid 6072] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6075] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6075] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6075] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6072] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] <... mremap resumed>) = 0x200000a00000 [pid 6075] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6075] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6075] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6072] <... futex resumed>) = 0 [pid 6075] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6072] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] <... mremap resumed>) = 0x200000a00000 [pid 6075] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6072] <... futex resumed>) = 0 [pid 6075] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6063] +++ exited with 0 +++ [pid 6062] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=27 /* 0.27 s */} --- [pid 5842] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./14/binderfs") = 0 [pid 5842] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./14/cgroup.net") = 0 [pid 5842] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./14/cgroup.cpu") = 0 [pid 5842] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./14/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./14") = 0 [pid 5842] mkdir("./15", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6076 attached , child_tidptr=0x55558030a690) = 47 [pid 6076] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6076] chdir("./15") = 0 [pid 6076] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6076] setpgid(0, 0) = 0 [pid 6076] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6076] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6076] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6076] write(3, "1000", 4) = 4 [pid 6076] close(3) = 0 [pid 6076] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6076] write(1, "executing program\n", 18executing program ) = 18 [pid 6076] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6076] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6076] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6060] close(3 [pid 6076] <... mmap resumed>) = 0x7fb5e5108000 [pid 6076] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6077 attached [pid 6064] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6060] <... close resumed>) = 0 [pid 6077] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6060] close(4 [pid 6076] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 6064] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] <... close resumed>) = 0 [pid 6077] <... rseq resumed>) = 0 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6064] <... futex resumed>) = 0 [pid 6060] close(5 [pid 6077] set_robust_list(0x7fb5e51289a0, 24 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6065] close(3 [pid 6064] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6077] <... set_robust_list resumed>) = 0 [pid 6076] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6077] rt_sigprocmask(SIG_SETMASK, [], [pid 6076] <... futex resumed>) = 0 [pid 6060] close(6 [pid 6077] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6077] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(7) = -1 EBADF (Bad file descriptor) [pid 6060] close(8) = -1 EBADF (Bad file descriptor) [pid 6060] close(9) = -1 EBADF (Bad file descriptor) [pid 6060] close(10) = -1 EBADF (Bad file descriptor) [pid 6060] close(11 [pid 6066] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6060] close(12 [pid 6066] <... futex resumed>) = 0 [pid 6065] <... close resumed>) = 0 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6066] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6060] close(13) = -1 EBADF (Bad file descriptor) [pid 6060] close(14) = -1 EBADF (Bad file descriptor) [pid 6060] close(15) = -1 EBADF (Bad file descriptor) [pid 6067] close(3 [pid 6060] close(16 [pid 6065] close(4 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = 0 [pid 6060] close(17) = -1 EBADF (Bad file descriptor) [pid 6065] close(5 [pid 6060] close(18 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(6) = -1 EBADF (Bad file descriptor) [pid 6060] close(19 [pid 6065] close(7 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(8 [pid 6060] close(20 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(9 [pid 6060] close(21 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(10) = -1 EBADF (Bad file descriptor) [pid 6060] close(22 [pid 6065] close(11 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(12 [pid 6060] close(23 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(13 [pid 6060] close(24 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(14) = -1 EBADF (Bad file descriptor) [pid 6060] close(25 [pid 6065] close(15 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(26 [pid 6065] close(16 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(27 [pid 6065] close(17 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6060] close(28 [pid 6065] close(18 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(19 [pid 6060] close(29 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(20 [pid 6060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(21 [pid 6060] exit_group(0 [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6070] <... futex resumed>) = ? [pid 6064] <... futex resumed>) = ? [pid 6060] <... exit_group resumed>) = ? [pid 6070] +++ exited with 0 +++ [pid 6065] close(22 [pid 6064] +++ exited with 0 +++ [pid 6065] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6065] close(23) = -1 EBADF (Bad file descriptor) [pid 6065] close(24) = -1 EBADF (Bad file descriptor) [pid 6065] close(25) = -1 EBADF (Bad file descriptor) [pid 6065] close(26) = -1 EBADF (Bad file descriptor) [pid 6065] close(27) = -1 EBADF (Bad file descriptor) [pid 6065] close(28) = -1 EBADF (Bad file descriptor) [pid 6065] close(29) = -1 EBADF (Bad file descriptor) [pid 6065] exit_group(0 [pid 6071] <... futex resumed>) = ? [pid 6066] <... futex resumed>) = ? [pid 6065] <... exit_group resumed>) = ? [pid 6071] +++ exited with 0 +++ [pid 6066] +++ exited with 0 +++ [pid 6067] <... close resumed>) = 0 [pid 6068] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6067] close(4 [pid 6068] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6067] <... close resumed>) = 0 [pid 6076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6076] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6068] <... futex resumed>) = 0 [pid 6067] close(5 [pid 6068] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6067] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6067] close(6) = -1 EBADF (Bad file descriptor) [pid 6067] close(7) = -1 EBADF (Bad file descriptor) [pid 6067] close(8) = -1 EBADF (Bad file descriptor) [pid 6067] close(9) = -1 EBADF (Bad file descriptor) [pid 6067] close(10) = -1 EBADF (Bad file descriptor) [pid 6067] close(11) = -1 EBADF (Bad file descriptor) [pid 6067] close(12) = -1 EBADF (Bad file descriptor) [pid 6067] close(13) = -1 EBADF (Bad file descriptor) [pid 6067] close(14) = -1 EBADF (Bad file descriptor) [pid 6067] close(15) = -1 EBADF (Bad file descriptor) [pid 6067] close(16) = -1 EBADF (Bad file descriptor) [pid 6067] close(17) = -1 EBADF (Bad file descriptor) [pid 6067] close(18) = -1 EBADF (Bad file descriptor) [pid 6067] close(19) = -1 EBADF (Bad file descriptor) [pid 6067] close(20) = -1 EBADF (Bad file descriptor) [pid 6067] close(21) = -1 EBADF (Bad file descriptor) [pid 6067] close(22) = -1 EBADF (Bad file descriptor) [pid 6067] close(23) = -1 EBADF (Bad file descriptor) [pid 6067] close(24) = -1 EBADF (Bad file descriptor) [pid 6067] close(25) = -1 EBADF (Bad file descriptor) [pid 6067] close(26) = -1 EBADF (Bad file descriptor) [pid 6067] close(27) = -1 EBADF (Bad file descriptor) [pid 6067] close(28) = -1 EBADF (Bad file descriptor) [pid 6067] close(29) = -1 EBADF (Bad file descriptor) [pid 6067] exit_group(0 [pid 6068] <... futex resumed>) = ? [pid 6067] <... exit_group resumed>) = ? [pid 6073] <... futex resumed>) = ? [pid 6068] +++ exited with 0 +++ [pid 6073] +++ exited with 0 +++ [pid 6072] close(3) = 0 [pid 6074] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6072] close(4 [pid 6074] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6072] <... close resumed>) = 0 [pid 6074] <... futex resumed>) = 0 [pid 6072] close(5 [pid 6074] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6072] close(6) = -1 EBADF (Bad file descriptor) [pid 6072] close(7) = -1 EBADF (Bad file descriptor) [pid 6072] close(8) = -1 EBADF (Bad file descriptor) [pid 6072] close(9) = -1 EBADF (Bad file descriptor) [pid 6072] close(10) = -1 EBADF (Bad file descriptor) [pid 6072] close(11) = -1 EBADF (Bad file descriptor) [pid 6072] close(12) = -1 EBADF (Bad file descriptor) [pid 6072] close(13) = -1 EBADF (Bad file descriptor) [pid 6072] close(14) = -1 EBADF (Bad file descriptor) [pid 6072] close(15) = -1 EBADF (Bad file descriptor) [pid 6072] close(16) = -1 EBADF (Bad file descriptor) [pid 6072] close(17) = -1 EBADF (Bad file descriptor) [pid 6072] close(18) = -1 EBADF (Bad file descriptor) [pid 6072] close(19) = -1 EBADF (Bad file descriptor) [pid 6072] close(20) = -1 EBADF (Bad file descriptor) [pid 6072] close(21) = -1 EBADF (Bad file descriptor) [pid 6072] close(22) = -1 EBADF (Bad file descriptor) [pid 6072] close(23) = -1 EBADF (Bad file descriptor) [pid 6072] close(24) = -1 EBADF (Bad file descriptor) [pid 6072] close(25) = -1 EBADF (Bad file descriptor) [pid 6072] close(26) = -1 EBADF (Bad file descriptor) [pid 6072] close(27) = -1 EBADF (Bad file descriptor) [pid 6072] close(28) = -1 EBADF (Bad file descriptor) [pid 6072] close(29) = -1 EBADF (Bad file descriptor) [pid 6072] exit_group(0 [pid 6074] <... futex resumed>) = ? [pid 6072] <... exit_group resumed>) = ? [pid 6074] +++ exited with 0 +++ [pid 6075] <... futex resumed>) = ? [pid 6065] +++ exited with 0 +++ [pid 6060] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=38, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5841] umount2("./12", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./12", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./12/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./12/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./12/binderfs") = 0 [pid 5841] umount2("./12/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./12/cgroup.net", [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5841] unlink("./12/cgroup.net" [pid 5844] <... openat resumed>) = 3 [pid 5841] <... unlink resumed>) = 0 [pid 5844] newfstatat(3, "", [pid 5841] umount2("./12/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] newfstatat(AT_FDCWD, "./12/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] getdents64(3, [pid 5841] unlink("./12/cgroup.cpu" [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] <... unlink resumed>) = 0 [pid 5844] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] umount2("./12/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./13/binderfs", [pid 5841] newfstatat(AT_FDCWD, "./12/cgroup", [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./13/binderfs" [pid 5841] unlink("./12/cgroup" [pid 5844] <... unlink resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5844] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5841] getdents64(3, [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3 [pid 5844] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] <... close resumed>) = 0 [pid 5841] rmdir("./12" [pid 5844] unlink("./13/cgroup.net" [pid 5841] <... rmdir resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 5841] mkdir("./13", 0777 [pid 5844] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6067] +++ exited with 0 +++ [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] <... mkdir resumed>) = 0 [pid 5844] newfstatat(AT_FDCWD, "./13/cgroup.cpu", [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5840] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 6078 attached [pid 5844] unlink("./13/cgroup.cpu" [pid 5840] newfstatat(3, "", [pid 6078] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... unlink resumed>) = 0 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 41 [pid 5840] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] <... set_robust_list resumed>) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] getdents64(3, [pid 5844] newfstatat(AT_FDCWD, "./13/cgroup", [pid 6078] chdir("./13" [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6078] <... chdir resumed>) = 0 [pid 5844] unlink("./13/cgroup" [pid 5840] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6078] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6078] <... prctl resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6078] setpgid(0, 0 [pid 5844] <... unlink resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6078] <... setpgid resumed>) = 0 [pid 5844] getdents64(3, [pid 5840] unlink("./14/binderfs" [pid 6078] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6078] <... symlink resumed>) = 0 [pid 5844] close(3 [pid 5840] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5844] <... close resumed>) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5844] rmdir("./13" [pid 6078] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 5844] <... rmdir resumed>) = 0 [pid 5840] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 5844] mkdir("./14", 0777 [pid 6078] <... symlink resumed>) = 0 [pid 5844] <... mkdir resumed>) = 0 executing program [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5840] unlink("./14/cgroup.net") = 0 [pid 6078] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 5840] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6078] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 5840] unlink("./14/cgroup.cpu") = 0 [pid 5840] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./14/cgroup", [pid 6078] write(3, "1000", 4 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6078] <... write resumed>) = 4 [pid 6078] close(3) = 0 [pid 5840] unlink("./14/cgroup") = 0 [pid 6078] symlink("/dev/binderfs", "./binderfs") = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 6078] write(1, "executing program\n", 18 [pid 5840] rmdir("./14") = 0 [pid 6078] <... write resumed>) = 18 [pid 6078] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5840] mkdir("./15", 0777 [pid 6078] <... futex resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6079 attached [pid 6079] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 47 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 44 [pid 6078] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 ./strace-static-x86_64: Process 6080 attached [pid 6079] <... set_robust_list resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6079] chdir("./14" [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6079] <... chdir resumed>) = 0 [pid 6079] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6078] <... mmap resumed>) = 0x7fb5e5108000 [pid 6079] <... prctl resumed>) = 0 [pid 6078] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6079] setpgid(0, 0) = 0 [pid 6078] <... mprotect resumed>) = 0 [pid 6079] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6080] set_robust_list(0x55558030a6a0, 24 [pid 6078] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6080] <... set_robust_list resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6081 attached [pid 6080] chdir("./15" [pid 6079] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6080] <... chdir resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 [pid 6081] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6079] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6078] <... clone3 resumed> => {parent_tid=[42]}, 88) = 42 [pid 6081] <... rseq resumed>) = 0 [pid 6079] <... symlink resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6081] set_robust_list(0x7fb5e51289a0, 24 [pid 6080] <... prctl resumed>) = 0 [pid 6079] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6081] <... set_robust_list resumed>) = 0 [pid 6080] setpgid(0, 0 [pid 6078] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] rt_sigprocmask(SIG_SETMASK, [], [pid 6078] <... futex resumed>) = 0 [pid 6081] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6080] <... setpgid resumed>) = 0 [pid 6079] <... openat resumed>) = 3 [pid 6080] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6079] write(3, "1000", 4) = 4 [pid 6079] close(3 [pid 6080] <... symlink resumed>) = 0 [pid 6079] <... close resumed>) = 0 executing program [pid 6079] symlink("/dev/binderfs", "./binderfs" [pid 6080] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6079] <... symlink resumed>) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 6079] write(1, "executing program\n", 18) = 18 [pid 6079] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6079] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6079] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6080] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] <... symlink resumed>) = 0 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6079] <... mmap resumed>) = 0x7fb5e5108000 [pid 6080] <... openat resumed>) = 3 [pid 6079] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6080] write(3, "1000", 4 [pid 6079] <... mprotect resumed>) = 0 [pid 6080] <... write resumed>) = 4 [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6080] close(3 [pid 6079] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6080] <... close resumed>) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6080] symlink("/dev/binderfs", "./binderfs"./strace-static-x86_64: Process 6082 attached ) = 0 [pid 6082] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 executing program [pid 6079] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 6082] <... rseq resumed>) = 0 [pid 6080] write(1, "executing program\n", 18 [pid 6079] rt_sigprocmask(SIG_SETMASK, [], [pid 6082] set_robust_list(0x7fb5e51289a0, 24 [pid 6080] <... write resumed>) = 18 [pid 6079] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6082] <... set_robust_list resumed>) = 0 [pid 6079] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6082] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6080] <... futex resumed>) = 0 [pid 6079] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6075] +++ exited with 0 +++ [pid 6072] +++ exited with 0 +++ [pid 6080] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] <... futex resumed>) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6080] <... mmap resumed>) = 0x7fb5e5108000 [pid 6080] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6080] <... mprotect resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 6078] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5843] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6084 attached [pid 5843] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6084] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6080] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6084] set_robust_list(0x7fb5e51289a0, 24 [pid 5843] unlink("./14/binderfs" [pid 6080] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 6084] <... set_robust_list resumed>) = 0 [pid 6080] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6080] <... futex resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5843] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 6084] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6084] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6079] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6079] <... futex resumed>) = 0 [pid 6079] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] unlink("./14/cgroup.net") = 0 [pid 5843] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6080] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 6080] <... futex resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5843] unlink("./14/cgroup.cpu") = 0 [pid 5843] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./14/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./14") = 0 [pid 5843] mkdir("./15", 0777) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6085 attached [pid 6085] set_robust_list(0x55558030a6a0, 24 [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 47 [pid 6085] <... set_robust_list resumed>) = 0 [pid 6085] chdir("./15") = 0 [pid 6085] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6085] setpgid(0, 0) = 0 [pid 6085] symlink("/syzcgroup/unified/syz1", "./cgroup") = 0 [pid 6085] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6085] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6077] <... mmap resumed>) = 0x200000000000 [pid 6076] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6076] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6076] <... mprotect resumed>) = 0 [pid 6085] <... openat resumed>) = 3 [pid 6076] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6085] write(3, "1000", 4) = 4 [pid 6085] close(3 [pid 6076] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6085] <... close resumed>) = 0 [pid 6077] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] symlink("/dev/binderfs", "./binderfs" [pid 6077] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6086 attached [pid 6085] <... symlink resumed>) = 0 [pid 6077] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL executing program [pid 6085] write(1, "executing program\n", 18) = 18 [pid 6086] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6085] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] <... clone3 resumed> => {parent_tid=[49]}, 88) = 49 [pid 6085] <... futex resumed>) = 0 [pid 6085] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6086] <... rseq resumed>) = 0 [pid 6085] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6076] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6086] set_robust_list(0x7fb5e51079a0, 24 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6086] <... set_robust_list resumed>) = 0 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6076] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] <... mmap resumed>) = 0x7fb5e5108000 [pid 6076] <... futex resumed>) = 0 [pid 6085] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6086] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6076] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6085] <... mprotect resumed>) = 0 [pid 6086] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6086] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6085] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6076] <... futex resumed>) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6086] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6077] <... futex resumed>) = 0 [pid 6077] sendmmsg(4, [pid 6076] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6087 attached [pid 6087] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6085] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 6087] <... rseq resumed>) = 0 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6087] set_robust_list(0x7fb5e51289a0, 24 [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6087] <... set_robust_list resumed>) = 0 [pid 6085] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6087] rt_sigprocmask(SIG_SETMASK, [], [pid 6085] <... futex resumed>) = 0 [pid 6087] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6076] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6076] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = 1 [pid 6086] recvmmsg(3, [pid 6076] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6086] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6086] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6076] <... futex resumed>) = 0 [pid 6086] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6076] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... mremap resumed>) = 0x200000a00000 [pid 6086] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6076] <... futex resumed>) = 0 [pid 6086] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6076] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6086] <... mremap resumed>) = 0x200000a00000 [pid 6076] <... futex resumed>) = 0 [pid 6086] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6076] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6086] <... futex resumed>) = 0 [pid 6076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6086] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6085] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6076] close(3 [pid 6077] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6076] <... close resumed>) = 0 [pid 6077] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6077] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6076] close(4) = 0 [pid 6076] close(5) = -1 EBADF (Bad file descriptor) [pid 6076] close(6) = -1 EBADF (Bad file descriptor) [pid 6076] close(7) = -1 EBADF (Bad file descriptor) [pid 6076] close(8) = -1 EBADF (Bad file descriptor) [pid 6076] close(9) = -1 EBADF (Bad file descriptor) [pid 6076] close(10) = -1 EBADF (Bad file descriptor) [pid 6076] close(11) = -1 EBADF (Bad file descriptor) [pid 6076] close(12) = -1 EBADF (Bad file descriptor) [pid 6076] close(13) = -1 EBADF (Bad file descriptor) [pid 6076] close(14) = -1 EBADF (Bad file descriptor) [pid 6076] close(15) = -1 EBADF (Bad file descriptor) [pid 6076] close(16) = -1 EBADF (Bad file descriptor) [pid 6076] close(17) = -1 EBADF (Bad file descriptor) [pid 6076] close(18) = -1 EBADF (Bad file descriptor) [pid 6076] close(19) = -1 EBADF (Bad file descriptor) [pid 6076] close(20) = -1 EBADF (Bad file descriptor) [pid 6076] close(21) = -1 EBADF (Bad file descriptor) [pid 6076] close(22) = -1 EBADF (Bad file descriptor) [pid 6076] close(23) = -1 EBADF (Bad file descriptor) [pid 6076] close(24) = -1 EBADF (Bad file descriptor) [pid 6076] close(25) = -1 EBADF (Bad file descriptor) [pid 6076] close(26) = -1 EBADF (Bad file descriptor) [pid 6076] close(27) = -1 EBADF (Bad file descriptor) [pid 6076] close(28) = -1 EBADF (Bad file descriptor) [pid 6076] close(29) = -1 EBADF (Bad file descriptor) [pid 6076] exit_group(0 [pid 6086] <... futex resumed>) = ? [pid 6077] <... futex resumed>) = ? [pid 6076] <... exit_group resumed>) = ? [pid 6086] +++ exited with 0 +++ [pid 6081] <... mmap resumed>) = 0x200000000000 [pid 6078] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6081] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6081] <... futex resumed>) = 0 [pid 6078] <... mprotect resumed>) = 0 [pid 6081] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6078] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6088 attached [pid 6088] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6078] <... clone3 resumed> => {parent_tid=[43]}, 88) = 43 [pid 6088] <... rseq resumed>) = 0 [pid 6078] rt_sigprocmask(SIG_SETMASK, [], [pid 6088] set_robust_list(0x7fb5e51079a0, 24 [pid 6078] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6088] <... set_robust_list resumed>) = 0 [pid 6078] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] rt_sigprocmask(SIG_SETMASK, [], [pid 6078] <... futex resumed>) = 0 [pid 6088] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6078] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6088] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6088] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6081] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6081] sendmmsg(4, [pid 6078] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] <... mmap resumed>) = 0x200000000000 [pid 6079] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6079] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6082] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6079] <... mprotect resumed>) = 0 [pid 6082] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6079] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6089 attached => {parent_tid=[46]}, 88) = 46 [pid 6089] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6089] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6089] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6089] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6079] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6089] <... futex resumed>) = 0 [pid 6079] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6089] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6089] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 1 [pid 6082] sendmmsg(4, [pid 6079] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6078] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6078] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = 0 [pid 6078] <... futex resumed>) = 1 [pid 6088] recvmmsg(3, [pid 6078] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6088] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6088] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = 0 [pid 6088] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6078] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... mremap resumed>) = 0x200000a00000 [pid 6088] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6088] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6088] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6078] <... futex resumed>) = 0 [pid 6088] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6078] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6088] <... mremap resumed>) = 0x200000a00000 [pid 6088] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6078] <... futex resumed>) = 0 [pid 6088] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6084] <... mmap resumed>) = 0x200000000000 [pid 6080] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6079] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6079] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = 0 [pid 6079] <... futex resumed>) = 1 [pid 6089] recvmmsg(3, [pid 6079] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6089] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6089] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6089] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6079] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... mremap resumed>) = 0x200000a00000 [pid 6089] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6079] <... futex resumed>) = 0 [pid 6089] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6079] <... futex resumed>) = 0 [pid 6089] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6079] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6089] <... mremap resumed>) = 0x200000a00000 [pid 6084] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6089] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6080] <... mprotect resumed>) = 0 [pid 6089] <... futex resumed>) = 1 [pid 6084] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6079] <... futex resumed>) = 0 [pid 6089] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6080] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6090 attached [pid 6090] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6080] <... clone3 resumed> => {parent_tid=[49]}, 88) = 49 [pid 6090] <... rseq resumed>) = 0 [pid 6080] rt_sigprocmask(SIG_SETMASK, [], [pid 6090] set_robust_list(0x7fb5e51079a0, 24 [pid 6080] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6090] <... set_robust_list resumed>) = 0 [pid 6080] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] rt_sigprocmask(SIG_SETMASK, [], [pid 6080] <... futex resumed>) = 0 [pid 6090] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6080] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6090] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6090] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6084] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 1 [pid 6084] sendmmsg(4, [pid 6080] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] <... mmap resumed>) = 0x200000000000 [pid 6085] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6087] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6087] <... futex resumed>) = 0 [pid 6085] <... mprotect resumed>) = 0 [pid 6087] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6085] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6091 attached => {parent_tid=[49]}, 88) = 49 [pid 6085] rt_sigprocmask(SIG_SETMASK, [], [pid 6091] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6077] +++ exited with 0 +++ [pid 6076] +++ exited with 0 +++ [pid 6091] <... rseq resumed>) = 0 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 6085] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6085] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6085] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6091] rt_sigprocmask(SIG_SETMASK, [], [pid 5842] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6091] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6091] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5842] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6091] <... socketpair resumed>0x200000000200) = 0 [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", [pid 6091] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6091] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6087] <... futex resumed>) = 0 [pid 6085] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6087] sendmmsg(4, [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6080] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] newfstatat(AT_FDCWD, "./15/binderfs", [pid 6080] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6090] <... futex resumed>) = 0 [pid 6080] <... futex resumed>) = 1 [pid 6090] recvmmsg(3, [pid 6080] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6090] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] unlink("./15/binderfs" [pid 6090] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6090] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6080] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... unlink resumed>) = 0 [pid 6080] <... futex resumed>) = 0 [pid 6080] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6090] <... mremap resumed>) = 0x200000a00000 [pid 5842] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6090] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6090] <... futex resumed>) = 1 [pid 6080] <... futex resumed>) = 0 [pid 5842] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 6090] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6090] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6080] <... futex resumed>) = 0 [pid 6090] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6080] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6090] <... mremap resumed>) = 0x200000a00000 [pid 5842] unlink("./15/cgroup.net" [pid 6090] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6080] <... futex resumed>) = 0 [pid 6090] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5842] <... unlink resumed>) = 0 [pid 5842] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./15/cgroup.cpu") = 0 [pid 5842] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./15/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./15") = 0 [pid 6085] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5842] mkdir("./16", 0777 [pid 6085] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... mkdir resumed>) = 0 [pid 6091] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 1 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6085] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6091] recvmmsg(3, ./strace-static-x86_64: Process 6092 attached NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6092] set_robust_list(0x55558030a6a0, 24 [pid 6091] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... set_robust_list resumed>) = 0 [pid 6091] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 50 [pid 6092] chdir("./16" [pid 6091] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... chdir resumed>) = 0 [pid 6091] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6085] <... futex resumed>) = 0 [pid 6092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6091] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6085] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... prctl resumed>) = 0 [pid 6092] setpgid(0, 0) = 0 [pid 6092] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6092] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6091] <... mremap resumed>) = 0x200000a00000 [pid 6092] <... symlink resumed>) = 0 [pid 6092] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6091] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6092] <... symlink resumed>) = 0 [pid 6091] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] <... futex resumed>) = 0 [pid 6092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6085] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... openat resumed>) = 3 [pid 6091] <... futex resumed>) = 0 [pid 6085] <... futex resumed>) = 1 [pid 6092] write(3, "1000", 4 [pid 6091] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6085] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6092] <... write resumed>) = 4 [pid 6091] <... mremap resumed>) = 0x200000a00000 [pid 6092] close(3) = 0 [pid 6091] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] symlink("/dev/binderfs", "./binderfs" [pid 6091] <... futex resumed>) = 1 [pid 6085] <... futex resumed>) = 0 [pid 6092] <... symlink resumed>) = 0 [pid 6091] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] write(1, "executing program\n", 18executing program ) = 18 [pid 6092] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6092] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6092] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6092] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6092] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6093 attached [pid 6093] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6092] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 6093] <... rseq resumed>) = 0 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], [pid 6093] set_robust_list(0x7fb5e51289a0, 24 [pid 6092] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... set_robust_list resumed>) = 0 [pid 6092] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] <... futex resumed>) = 0 [pid 6093] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6093] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6092] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] <... mmap resumed>) = 0x200000000000 [pid 6092] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6092] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6093] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... mprotect resumed>) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6092] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6093] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6092] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6094 attached [pid 6094] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6094] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6092] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 6092] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6092] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6092] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6094] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6094] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6078] close(3 [pid 6094] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6094] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = 0 [pid 6092] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6093] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6093] sendmmsg(4, [pid 6092] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6081] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6078] <... close resumed>) = 0 [pid 6078] close(4) = 0 [pid 6081] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6078] close(5) = -1 EBADF (Bad file descriptor) [pid 6081] <... futex resumed>) = 0 [pid 6081] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6078] close(6) = -1 EBADF (Bad file descriptor) [pid 6078] close(7) = -1 EBADF (Bad file descriptor) [pid 6078] close(8) = -1 EBADF (Bad file descriptor) [pid 6078] close(9) = -1 EBADF (Bad file descriptor) [pid 6078] close(10) = -1 EBADF (Bad file descriptor) [pid 6078] close(11) = -1 EBADF (Bad file descriptor) [pid 6078] close(12) = -1 EBADF (Bad file descriptor) [pid 6078] close(13) = -1 EBADF (Bad file descriptor) [pid 6078] close(14) = -1 EBADF (Bad file descriptor) [pid 6078] close(15) = -1 EBADF (Bad file descriptor) [pid 6078] close(16) = -1 EBADF (Bad file descriptor) [pid 6078] close(17) = -1 EBADF (Bad file descriptor) [pid 6078] close(18) = -1 EBADF (Bad file descriptor) [pid 6078] close(19) = -1 EBADF (Bad file descriptor) [pid 6078] close(20) = -1 EBADF (Bad file descriptor) [pid 6078] close(21) = -1 EBADF (Bad file descriptor) [pid 6078] close(22) = -1 EBADF (Bad file descriptor) [pid 6078] close(23) = -1 EBADF (Bad file descriptor) [pid 6078] close(24) = -1 EBADF (Bad file descriptor) [pid 6078] close(25) = -1 EBADF (Bad file descriptor) [pid 6078] close(26) = -1 EBADF (Bad file descriptor) [pid 6078] close(27) = -1 EBADF (Bad file descriptor) [pid 6078] close(28) = -1 EBADF (Bad file descriptor) [pid 6078] close(29) = -1 EBADF (Bad file descriptor) [pid 6078] exit_group(0) = ? [pid 6081] <... futex resumed>) = ? [pid 6088] <... futex resumed>) = ? [pid 6081] +++ exited with 0 +++ [pid 6079] close(3 [pid 6092] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6082] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6079] <... close resumed>) = 0 [pid 6079] close(4 [pid 6092] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6082] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] <... futex resumed>) = 1 [pid 6082] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = 0 [pid 6092] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6082] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... close resumed>) = 0 [pid 6094] recvmmsg(3, [pid 6079] close(5 [pid 6094] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] close(6 [pid 6094] <... futex resumed>) = 1 [pid 6094] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] <... futex resumed>) = 0 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] close(7 [pid 6094] <... futex resumed>) = 0 [pid 6092] <... futex resumed>) = 1 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6092] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] close(8 [pid 6094] <... mremap resumed>) = 0x200000a00000 [pid 6094] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6092] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6092] <... futex resumed>) = 0 [pid 6079] close(9 [pid 6094] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6092] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] close(10) = -1 EBADF (Bad file descriptor) [pid 6079] close(11) = -1 EBADF (Bad file descriptor) [pid 6094] <... mremap resumed>) = 0x200000a00000 [pid 6079] close(12 [pid 6094] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6094] <... futex resumed>) = 1 [pid 6092] <... futex resumed>) = 0 [pid 6079] close(13) = -1 EBADF (Bad file descriptor) [pid 6079] close(14 [pid 6094] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6079] close(15) = -1 EBADF (Bad file descriptor) [pid 6079] close(16) = -1 EBADF (Bad file descriptor) [pid 6079] close(17) = -1 EBADF (Bad file descriptor) [pid 6079] close(18) = -1 EBADF (Bad file descriptor) [pid 6079] close(19) = -1 EBADF (Bad file descriptor) [pid 6079] close(20) = -1 EBADF (Bad file descriptor) [pid 6079] close(21) = -1 EBADF (Bad file descriptor) [pid 6079] close(22) = -1 EBADF (Bad file descriptor) [pid 6079] close(23) = -1 EBADF (Bad file descriptor) [pid 6088] +++ exited with 0 +++ [pid 6079] close(24 [pid 6078] +++ exited with 0 +++ [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=41, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 6079] close(25) = -1 EBADF (Bad file descriptor) [pid 6079] close(26 [pid 5841] umount2("./13", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6079] close(27 [pid 5841] openat(AT_FDCWD, "./13", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... openat resumed>) = 3 [pid 6079] close(28 [pid 5841] newfstatat(3, "", [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6079] close(29 [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6079] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] umount2("./13/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6079] exit_group(0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6089] <... futex resumed>) = ? [pid 6082] <... futex resumed>) = ? [pid 6079] <... exit_group resumed>) = ? [pid 5841] newfstatat(AT_FDCWD, "./13/binderfs", [pid 6089] +++ exited with 0 +++ [pid 6082] +++ exited with 0 +++ [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./13/binderfs") = 0 [pid 5841] umount2("./13/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./13/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./13/cgroup.net") = 0 [pid 5841] umount2("./13/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./13/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./13/cgroup.cpu" [pid 6080] close(3 [pid 5841] <... unlink resumed>) = 0 [pid 5841] umount2("./13/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./13/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./13/cgroup" [pid 6084] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6080] <... close resumed>) = 0 [pid 6084] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6080] close(4 [pid 5841] <... unlink resumed>) = 0 [pid 6084] <... futex resumed>) = 0 [pid 6080] <... close resumed>) = 0 [pid 6080] close(5 [pid 6084] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(6) = -1 EBADF (Bad file descriptor) [pid 5841] getdents64(3, [pid 6080] close(7 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] close(3 [pid 6080] close(8 [pid 5841] <... close resumed>) = 0 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] rmdir("./13" [pid 6080] close(9) = -1 EBADF (Bad file descriptor) [pid 5841] <... rmdir resumed>) = 0 [pid 6080] close(10 [pid 5841] mkdir("./14", 0777 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5841] <... mkdir resumed>) = 0 [pid 6080] close(11 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6080] close(12) = -1 EBADF (Bad file descriptor) [pid 6080] close(13) = -1 EBADF (Bad file descriptor) [pid 6080] close(14) = -1 EBADF (Bad file descriptor) [pid 6080] close(15) = -1 EBADF (Bad file descriptor) [pid 6080] close(16) = -1 EBADF (Bad file descriptor) [pid 6080] close(17) = -1 EBADF (Bad file descriptor) [pid 6080] close(18) = -1 EBADF (Bad file descriptor) [pid 6080] close(19) = -1 EBADF (Bad file descriptor) [pid 6080] close(20) = -1 EBADF (Bad file descriptor) [pid 6080] close(21) = -1 EBADF (Bad file descriptor) [pid 6080] close(22) = -1 EBADF (Bad file descriptor) [pid 6080] close(23) = -1 EBADF (Bad file descriptor) [pid 6080] close(24) = -1 EBADF (Bad file descriptor) [pid 6085] close(3 [pid 6080] close(25) = -1 EBADF (Bad file descriptor) [pid 6080] close(26) = -1 EBADF (Bad file descriptor) [pid 6080] close(27./strace-static-x86_64: Process 6095 attached [pid 6095] set_robust_list(0x55558030a6a0, 24 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] <... set_robust_list resumed>) = 0 [pid 6095] chdir("./14" [pid 6080] close(28 [pid 6095] <... chdir resumed>) = 0 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6080] close(29 [pid 6095] <... prctl resumed>) = 0 [pid 6080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] setpgid(0, 0 [pid 6080] exit_group(0 [pid 6095] <... setpgid resumed>) = 0 [pid 6090] <... futex resumed>) = ? [pid 6084] <... futex resumed>) = ? [pid 6080] <... exit_group resumed>) = ? [pid 6095] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6090] +++ exited with 0 +++ [pid 6084] +++ exited with 0 +++ [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 44 [pid 6087] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6085] <... close resumed>) = 0 [pid 6087] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6085] close(4 [pid 6087] <... futex resumed>) = 0 [pid 6085] <... close resumed>) = 0 [pid 6087] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6085] close(5) = -1 EBADF (Bad file descriptor) [pid 6085] close(6) = -1 EBADF (Bad file descriptor) [pid 6085] close(7) = -1 EBADF (Bad file descriptor) [pid 6085] close(8) = -1 EBADF (Bad file descriptor) [pid 6085] close(9) = -1 EBADF (Bad file descriptor) [pid 6085] close(10) = -1 EBADF (Bad file descriptor) [pid 6085] close(11) = -1 EBADF (Bad file descriptor) [pid 6085] close(12) = -1 EBADF (Bad file descriptor) [pid 6085] close(13) = -1 EBADF (Bad file descriptor) [pid 6085] close(14) = -1 EBADF (Bad file descriptor) [pid 6085] close(15) = -1 EBADF (Bad file descriptor) [pid 6085] close(16) = -1 EBADF (Bad file descriptor) [pid 6085] close(17) = -1 EBADF (Bad file descriptor) [pid 6085] close(18) = -1 EBADF (Bad file descriptor) [pid 6085] close(19 [pid 6095] <... symlink resumed>) = 0 [pid 6085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6085] close(20) = -1 EBADF (Bad file descriptor) [pid 6085] close(21) = -1 EBADF (Bad file descriptor) [pid 6085] close(22) = -1 EBADF (Bad file descriptor) [pid 6085] close(23) = -1 EBADF (Bad file descriptor) [pid 6085] close(24) = -1 EBADF (Bad file descriptor) [pid 6085] close(25) = -1 EBADF (Bad file descriptor) [pid 6085] close(26) = -1 EBADF (Bad file descriptor) [pid 6085] close(27) = -1 EBADF (Bad file descriptor) [pid 6085] close(28) = -1 EBADF (Bad file descriptor) [pid 6085] close(29) = -1 EBADF (Bad file descriptor) [pid 6085] exit_group(0 [pid 6091] <... futex resumed>) = ? [pid 6087] <... futex resumed>) = ? [pid 6085] <... exit_group resumed>) = ? [pid 6095] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6091] +++ exited with 0 +++ [pid 6087] +++ exited with 0 +++ [pid 6095] <... symlink resumed>) = 0 [pid 6095] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6079] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 6095] <... symlink resumed>) = 0 [pid 5844] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", [pid 6095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5844] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, executing program [pid 6095] <... openat resumed>) = 3 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6095] write(3, "1000", 4 [pid 5844] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... write resumed>) = 4 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] close(3 [pid 5844] newfstatat(AT_FDCWD, "./14/binderfs", [pid 6095] <... close resumed>) = 0 [pid 6095] symlink("/dev/binderfs", "./binderfs" [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./14/binderfs" [pid 6095] <... symlink resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 6095] write(1, "executing program\n", 18 [pid 5844] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... write resumed>) = 18 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] newfstatat(AT_FDCWD, "./14/cgroup.net", [pid 6095] <... futex resumed>) = 0 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5844] unlink("./14/cgroup.net" [pid 6095] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5844] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5844] newfstatat(AT_FDCWD, "./14/cgroup.cpu", [pid 6095] <... mmap resumed>) = 0x7fb5e5108000 [pid 5844] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6095] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5844] unlink("./14/cgroup.cpu" [pid 6095] <... mprotect resumed>) = 0 [pid 5844] <... unlink resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5844] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6095] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5844] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 5844] newfstatat(AT_FDCWD, "./14/cgroup", ./strace-static-x86_64: Process 6096 attached {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6096] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6095] <... clone3 resumed> => {parent_tid=[45]}, 88) = 45 [pid 5844] unlink("./14/cgroup" [pid 6096] <... rseq resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 5844] <... unlink resumed>) = 0 [pid 6096] set_robust_list(0x7fb5e51289a0, 24 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5844] getdents64(3, [pid 6096] <... set_robust_list resumed>) = 0 [pid 6095] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6096] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... futex resumed>) = 0 [pid 5844] close(3 [pid 6096] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5844] <... close resumed>) = 0 [pid 6096] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 5844] rmdir("./14") = 0 [pid 5844] mkdir("./15", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6097 attached [pid 6097] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 47 [pid 6097] <... set_robust_list resumed>) = 0 [pid 6097] chdir("./15") = 0 [pid 6097] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6097] setpgid(0, 0) = 0 [pid 6097] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6097] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6097] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6097] write(3, "1000", 4) = 4 [pid 6097] close(3) = 0 [pid 6097] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6097] write(1, "executing program\n", 18) = 18 [pid 6097] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6097] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6097] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6097] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6098 attached [pid 6098] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6097] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 6098] <... rseq resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6098] set_robust_list(0x7fb5e51289a0, 24 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] <... set_robust_list resumed>) = 0 [pid 6097] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] rt_sigprocmask(SIG_SETMASK, [], [pid 6097] <... futex resumed>) = 0 [pid 6098] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6097] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6095] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6097] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6080] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 6085] +++ exited with 0 +++ [pid 5840] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./15/binderfs") = 0 [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=37 /* 0.37 s */} --- [pid 5840] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 5843] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./15/cgroup.net" [pid 5843] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5840] <... unlink resumed>) = 0 [pid 5843] <... openat resumed>) = 3 [pid 5840] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5843] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] newfstatat(AT_FDCWD, "./15/cgroup.cpu", [pid 5843] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] unlink("./15/cgroup.cpu" [pid 5843] unlink("./15/binderfs") = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5840] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./15/cgroup", [pid 5843] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./15/cgroup" [pid 5843] newfstatat(AT_FDCWD, "./15/cgroup.net", [pid 5840] <... unlink resumed>) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5840] close(3) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] rmdir("./15" [pid 5843] unlink("./15/cgroup.net" [pid 5840] <... rmdir resumed>) = 0 [pid 5840] mkdir("./16", 0777 [pid 5843] <... unlink resumed>) = 0 [pid 5840] <... mkdir resumed>) = 0 [pid 5843] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./15/cgroup.cpu"./strace-static-x86_64: Process 6099 attached ) = 0 [pid 6099] set_robust_list(0x55558030a6a0, 24 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 50 [pid 6099] <... set_robust_list resumed>) = 0 [pid 6099] chdir("./16") = 0 [pid 6099] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6099] setpgid(0, 0) = 0 [pid 6099] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5843] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] <... symlink resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./15/cgroup", [pid 6099] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu") = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6099] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 5843] unlink("./15/cgroup" [pid 6099] <... symlink resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 6099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] getdents64(3, [pid 6099] <... openat resumed>) = 3 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6099] write(3, "1000", 4) = 4 [pid 6099] close(3) = 0 [pid 6099] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6099] write(1, "executing program\n", 18) = 18 [pid 5843] close(3 [pid 6099] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... close resumed>) = 0 [pid 5843] rmdir("./15" [pid 6099] <... futex resumed>) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 6099] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6092] close(3 [pid 6099] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6093] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6092] <... close resumed>) = 0 [pid 5843] mkdir("./16", 0777 [pid 6099] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6093] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] close(4) = 0 [pid 6092] close(5 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6093] <... futex resumed>) = 0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... mkdir resumed>) = 0 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6099] <... mmap resumed>) = 0x7fb5e5108000 [pid 6092] close(6) = -1 EBADF (Bad file descriptor) [pid 6092] close(7) = -1 EBADF (Bad file descriptor) [pid 6092] close(8) = -1 EBADF (Bad file descriptor) [pid 6099] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6092] close(9) = -1 EBADF (Bad file descriptor) [pid 6092] close(10) = -1 EBADF (Bad file descriptor) [pid 6092] close(11) = -1 EBADF (Bad file descriptor) [pid 6092] close(12) = -1 EBADF (Bad file descriptor) [pid 6092] close(13) = -1 EBADF (Bad file descriptor) [pid 6092] close(14) = -1 EBADF (Bad file descriptor) [pid 6092] close(15) = -1 EBADF (Bad file descriptor) [pid 6092] close(16) = -1 EBADF (Bad file descriptor) [pid 6092] close(17) = -1 EBADF (Bad file descriptor) [pid 6092] close(18) = -1 EBADF (Bad file descriptor) [pid 6092] close(19) = -1 EBADF (Bad file descriptor) [pid 6092] close(20) = -1 EBADF (Bad file descriptor) [pid 6092] close(21) = -1 EBADF (Bad file descriptor) [pid 6092] close(22) = -1 EBADF (Bad file descriptor) [pid 6092] close(23) = -1 EBADF (Bad file descriptor) [pid 6092] close(24) = -1 EBADF (Bad file descriptor) [pid 6099] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6100 attached [pid 6092] close(25) = -1 EBADF (Bad file descriptor) [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6092] close(26 [pid 6100] set_robust_list(0x55558030a6a0, 24 [pid 6099] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 50 [pid 6100] <... set_robust_list resumed>) = 0 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6092] close(27 [pid 6100] chdir("./16" [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6092] close(28 [pid 6100] <... chdir resumed>) = 0 [pid 6099] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6101 attached [pid 6100] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6092] close(29 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... prctl resumed>) = 0 [pid 6099] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6092] exit_group(0) = ? [pid 6101] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6100] setpgid(0, 0 [pid 6099] <... futex resumed>) = 0 [pid 6094] <... futex resumed>) = ? [pid 6093] <... futex resumed>) = ? [pid 6100] <... setpgid resumed>) = 0 [pid 6099] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6101] <... rseq resumed>) = 0 [pid 6100] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6094] +++ exited with 0 +++ [pid 6101] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6101] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6101] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6100] <... symlink resumed>) = 0 [pid 6100] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6100] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6100] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6099] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... openat resumed>) = 3 [pid 6099] <... futex resumed>) = 0 [pid 6100] write(3, "1000", 4 [pid 6099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6100] <... write resumed>) = 4 [pid 6100] close(3) = 0 [pid 6100] symlink("/dev/binderfs", "./binderfs" [pid 6096] <... mmap resumed>) = 0x200000000000 [pid 6095] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6096] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6095] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6095] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6102 attached [pid 6102] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6095] <... clone3 resumed> => {parent_tid=[46]}, 88) = 46 [pid 6102] <... rseq resumed>) = 0 [pid 6095] rt_sigprocmask(SIG_SETMASK, [], [pid 6102] set_robust_list(0x7fb5e51079a0, 24 [pid 6095] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6102] <... set_robust_list resumed>) = 0 [pid 6095] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... futex resumed>) = 0 [pid 6102] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6102] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] <... futex resumed>) = 0 [pid 6102] <... futex resumed>) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6102] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] <... symlink resumed>) = 0 [pid 6096] sendmmsg(4, [pid 6095] <... futex resumed>) = 0 [pid 6095] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}executing program [pid 6100] write(1, "executing program\n", 18) = 18 [pid 6100] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6100] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6100] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6100] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6103 attached [pid 6103] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6100] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 6103] <... rseq resumed>) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6103] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6103] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] <... futex resumed>) = 0 [pid 6103] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6100] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6095] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = 0 [pid 6095] <... futex resumed>) = 1 [pid 6102] recvmmsg(3, [pid 6095] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6102] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6102] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6102] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6095] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... mremap resumed>) = 0x200000a00000 [pid 6102] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6102] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6095] <... futex resumed>) = 0 [pid 6102] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6095] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6102] <... mremap resumed>) = 0x200000a00000 [pid 6102] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6095] <... futex resumed>) = 0 [pid 6102] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6100] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6100] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6093] +++ exited with 0 +++ [pid 6092] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=32 /* 0.32 s */} --- [pid 5842] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./16/binderfs") = 0 [pid 5842] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./16/cgroup.net") = 0 [pid 5842] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./16/cgroup.cpu") = 0 [pid 5842] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./16/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./16") = 0 [pid 5842] mkdir("./17", 0777) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6104 attached [pid 6104] set_robust_list(0x55558030a6a0, 24) = 0 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 53 [pid 6104] chdir("./17") = 0 [pid 6104] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6104] setpgid(0, 0) = 0 [pid 6104] symlink("/syzcgroup/unified/syz3", "./cgroup") = 0 [pid 6104] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu") = 0 [pid 6104] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 6104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6104] write(3, "1000", 4) = 4 [pid 6104] close(3) = 0 [pid 6104] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6104] write(1, "executing program\n", 18executing program ) = 18 [pid 6104] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6104] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6104] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6105 attached [pid 6105] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6104] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 6105] set_robust_list(0x7fb5e51289a0, 24 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6105] <... set_robust_list resumed>) = 0 [pid 6105] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6105] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6098] <... mmap resumed>) = 0x200000000000 [pid 6097] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6104] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... mprotect resumed>) = 0 [pid 6105] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6104] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6098] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6097] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6106 attached [pid 6106] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6097] <... clone3 resumed> => {parent_tid=[49]}, 88) = 49 [pid 6106] <... rseq resumed>) = 0 [pid 6097] rt_sigprocmask(SIG_SETMASK, [], [pid 6106] set_robust_list(0x7fb5e51079a0, 24 [pid 6097] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6106] <... set_robust_list resumed>) = 0 [pid 6097] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6097] <... futex resumed>) = 0 [pid 6106] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6097] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... socketpair resumed>0x200000000200) = 0 [pid 6106] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6097] <... futex resumed>) = 0 [pid 6106] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... futex resumed>) = 1 [pid 6098] sendmmsg(4, [pid 6097] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6104] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6097] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6097] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6106] <... futex resumed>) = 0 [pid 6106] recvmmsg(3, [pid 6097] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6106] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6097] <... futex resumed>) = 0 [pid 6106] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6097] <... futex resumed>) = 0 [pid 6106] <... mremap resumed>) = 0x200000a00000 [pid 6097] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 0 [pid 6097] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6097] <... futex resumed>) = 0 [pid 6106] <... mremap resumed>) = 0x200000a00000 [pid 6097] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6106] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6106] <... futex resumed>) = 0 [pid 6106] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] close(3 [pid 6103] <... mmap resumed>) = 0x200000000000 [pid 6100] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6096] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6095] <... close resumed>) = 0 [pid 6103] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6096] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6103] <... futex resumed>) = 0 [pid 6096] <... futex resumed>) = 0 [pid 6103] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6095] close(4) = 0 [pid 6095] close(5) = -1 EBADF (Bad file descriptor) [pid 6095] close(6) = -1 EBADF (Bad file descriptor) [pid 6095] close(7) = -1 EBADF (Bad file descriptor) [pid 6095] close(8) = -1 EBADF (Bad file descriptor) [pid 6095] close(9) = -1 EBADF (Bad file descriptor) [pid 6095] close(10) = -1 EBADF (Bad file descriptor) [pid 6095] close(11) = -1 EBADF (Bad file descriptor) [pid 6095] close(12) = -1 EBADF (Bad file descriptor) [pid 6095] close(13) = -1 EBADF (Bad file descriptor) [pid 6095] close(14) = -1 EBADF (Bad file descriptor) [pid 6095] close(15) = -1 EBADF (Bad file descriptor) [pid 6095] close(16) = -1 EBADF (Bad file descriptor) [pid 6095] close(17) = -1 EBADF (Bad file descriptor) [pid 6095] close(18) = -1 EBADF (Bad file descriptor) [pid 6095] close(19) = -1 EBADF (Bad file descriptor) [pid 6095] close(20) = -1 EBADF (Bad file descriptor) [pid 6095] close(21 [pid 6100] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] <... mprotect resumed>) = 0 [pid 6095] close(22 [pid 6100] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6095] close(23 [pid 6100] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6095] close(24./strace-static-x86_64: Process 6107 attached ) = -1 EBADF (Bad file descriptor) [pid 6107] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6100] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 6095] close(25 [pid 6107] <... rseq resumed>) = 0 [pid 6100] rt_sigprocmask(SIG_SETMASK, [], [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] set_robust_list(0x7fb5e51079a0, 24 [pid 6100] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6095] close(26 [pid 6107] <... set_robust_list resumed>) = 0 [pid 6100] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] rt_sigprocmask(SIG_SETMASK, [], [pid 6100] <... futex resumed>) = 0 [pid 6095] close(27 [pid 6107] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6100] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6107] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6095] close(28) = -1 EBADF (Bad file descriptor) [pid 6095] close(29) = -1 EBADF (Bad file descriptor) [pid 6107] <... socketpair resumed>0x200000000200) = 0 [pid 6095] exit_group(0 [pid 6107] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6102] <... futex resumed>) = ? [pid 6096] <... futex resumed>) = ? [pid 6095] <... exit_group resumed>) = ? [pid 6107] <... futex resumed>) = 1 [pid 6102] +++ exited with 0 +++ [pid 6100] <... futex resumed>) = 0 [pid 6100] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6103] <... futex resumed>) = 0 [pid 6103] sendmmsg(4, [pid 6101] <... mmap resumed>) = 0x200000000000 [pid 6099] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6099] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6099] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6099] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6108 attached [pid 6108] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6099] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 6108] <... rseq resumed>) = 0 [pid 6099] rt_sigprocmask(SIG_SETMASK, [], [pid 6108] set_robust_list(0x7fb5e51079a0, 24 [pid 6099] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6108] <... set_robust_list resumed>) = 0 [pid 6101] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6099] <... futex resumed>) = 0 [pid 6108] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6099] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... socketpair resumed>0x200000000200) = 0 [pid 6100] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6108] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... futex resumed>) = 0 [pid 6108] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6107] <... futex resumed>) = 0 [pid 6100] <... futex resumed>) = 1 [pid 6099] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6100] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6100] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6107] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6107] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6100] <... futex resumed>) = 0 [pid 6100] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... mremap resumed>) = 0x200000a00000 [pid 6101] <... futex resumed>) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6107] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6101] sendmmsg(4, [pid 6099] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=45000000} [pid 6107] <... futex resumed>) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6107] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6100] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6100] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6107] <... mremap resumed>) = 0x200000a00000 [pid 6107] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6100] <... futex resumed>) = 0 [pid 6107] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6099] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = 0 [pid 6099] <... futex resumed>) = 1 [pid 6108] recvmmsg(3, [pid 6099] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6108] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6108] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 0 [pid 6108] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6099] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... mremap resumed>) = 0x200000a00000 [pid 6108] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6108] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6099] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6108] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6099] <... futex resumed>) = 0 [pid 6108] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6099] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6108] <... mremap resumed>) = 0x200000a00000 [pid 6108] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6099] <... futex resumed>) = 0 [pid 6108] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6096] +++ exited with 0 +++ [pid 6095] +++ exited with 0 +++ [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=44, si_uid=0, si_status=0, si_utime=0, si_stime=35 /* 0.35 s */} --- [pid 5841] umount2("./14", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] openat(AT_FDCWD, "./14", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5841] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./14/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./14/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./14/binderfs") = 0 [pid 5841] umount2("./14/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./14/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./14/cgroup.net") = 0 [pid 5841] umount2("./14/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./14/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./14/cgroup.cpu") = 0 [pid 5841] umount2("./14/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./14/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./14/cgroup") = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 5841] rmdir("./14") = 0 [pid 5841] mkdir("./15", 0777) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x55558030a690) = 47 ./strace-static-x86_64: Process 6109 attached [pid 6105] <... mmap resumed>) = 0x200000000000 [pid 6104] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6109] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6105] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6109] chdir("./15" [pid 6105] <... futex resumed>) = 0 [pid 6109] <... chdir resumed>) = 0 [pid 6105] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] <... mprotect resumed>) = 0 [pid 6109] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6109] setpgid(0, 0 [pid 6104] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6109] <... setpgid resumed>) = 0 [pid 6104] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6109] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6104] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6110 attached [pid 6109] <... symlink resumed>) = 0 [pid 6110] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6109] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6104] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 6110] set_robust_list(0x7fb5e51079a0, 24 [pid 6109] <... symlink resumed>) = 0 [pid 6104] rt_sigprocmask(SIG_SETMASK, [], [pid 6110] <... set_robust_list resumed>) = 0 [pid 6109] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6104] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6110] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] <... symlink resumed>) = 0 [pid 6109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... openat resumed>) = 3 [pid 6104] <... futex resumed>) = 0 [pid 6104] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] write(3, "1000", 4 [pid 6110] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6109] <... write resumed>) = 4 [pid 6109] close(3) = 0 [pid 6109] symlink("/dev/binderfs", "./binderfs" [pid 6110] <... socketpair resumed>0x200000000200) = 0 [pid 6109] <... symlink resumed>) = 0 [pid 6109] write(1, "executing program\n", 18 [pid 6110] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000executing program ) = 1 [pid 6109] <... write resumed>) = 18 [pid 6104] <... futex resumed>) = 0 [pid 6110] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = 0 [pid 6105] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6109] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6105] sendmmsg(4, [pid 6104] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6109] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6109] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6111 attached [pid 6111] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6109] <... clone3 resumed> => {parent_tid=[48]}, 88) = 48 [pid 6111] <... rseq resumed>) = 0 [pid 6111] set_robust_list(0x7fb5e51289a0, 24 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6111] <... set_robust_list resumed>) = 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6111] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6111] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6111] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6109] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6104] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = 0 [pid 6104] <... futex resumed>) = 1 [pid 6110] recvmmsg(3, [pid 6104] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6110] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6110] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 6110] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6104] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... mremap resumed>) = 0x200000a00000 [pid 6110] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6104] <... futex resumed>) = 0 [pid 6110] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6104] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6104] <... futex resumed>) = 0 [pid 6110] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6104] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6110] <... mremap resumed>) = 0x200000a00000 [pid 6110] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6110] <... futex resumed>) = 1 [pid 6109] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... futex resumed>) = 0 [pid 6110] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... futex resumed>) = 0 [pid 6109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6111] <... mmap resumed>) = 0x200000000000 [pid 6111] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6111] <... futex resumed>) = 0 [pid 6109] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6111] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] <... mprotect resumed>) = 0 [pid 6109] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6109] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} => {parent_tid=[49]}, 88) = 49 ./strace-static-x86_64: Process 6112 attached [pid 6112] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6109] rt_sigprocmask(SIG_SETMASK, [], [pid 6112] <... rseq resumed>) = 0 [pid 6109] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] set_robust_list(0x7fb5e51079a0, 24 [pid 6109] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... set_robust_list resumed>) = 0 [pid 6109] <... futex resumed>) = 0 [pid 6112] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6112] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6112] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6112] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6111] <... futex resumed>) = 0 [pid 6111] sendmmsg(4, [pid 6109] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6097] close(3 [pid 6098] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6097] <... close resumed>) = 0 [pid 6098] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6097] close(4 [pid 6098] <... futex resumed>) = 0 [pid 6097] <... close resumed>) = 0 [pid 6098] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6097] close(5) = -1 EBADF (Bad file descriptor) [pid 6097] close(6) = -1 EBADF (Bad file descriptor) [pid 6097] close(7) = -1 EBADF (Bad file descriptor) [pid 6097] close(8) = -1 EBADF (Bad file descriptor) [pid 6097] close(9) = -1 EBADF (Bad file descriptor) [pid 6097] close(10) = -1 EBADF (Bad file descriptor) [pid 6097] close(11) = -1 EBADF (Bad file descriptor) [pid 6097] close(12) = -1 EBADF (Bad file descriptor) [pid 6097] close(13) = -1 EBADF (Bad file descriptor) [pid 6097] close(14) = -1 EBADF (Bad file descriptor) [pid 6097] close(15) = -1 EBADF (Bad file descriptor) [pid 6097] close(16) = -1 EBADF (Bad file descriptor) [pid 6097] close(17) = -1 EBADF (Bad file descriptor) [pid 6097] close(18) = -1 EBADF (Bad file descriptor) [pid 6097] close(19) = -1 EBADF (Bad file descriptor) [pid 6097] close(20) = -1 EBADF (Bad file descriptor) [pid 6097] close(21) = -1 EBADF (Bad file descriptor) [pid 6097] close(22) = -1 EBADF (Bad file descriptor) [pid 6097] close(23) = -1 EBADF (Bad file descriptor) [pid 6097] close(24) = -1 EBADF (Bad file descriptor) [pid 6097] close(25) = -1 EBADF (Bad file descriptor) [pid 6097] close(26) = -1 EBADF (Bad file descriptor) [pid 6097] close(27) = -1 EBADF (Bad file descriptor) [pid 6097] close(28) = -1 EBADF (Bad file descriptor) [pid 6097] close(29) = -1 EBADF (Bad file descriptor) [pid 6097] exit_group(0 [pid 6098] <... futex resumed>) = ? [pid 6097] <... exit_group resumed>) = ? [pid 6106] <... futex resumed>) = ? [pid 6098] +++ exited with 0 +++ [pid 6109] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6109] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = 0 [pid 6109] <... futex resumed>) = 1 [pid 6112] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6112] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6112] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6112] <... futex resumed>) = 0 [pid 6109] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000) = 0x200000a00000 [pid 6112] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6109] <... futex resumed>) = 0 [pid 6112] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6112] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6109] <... futex resumed>) = 0 [pid 6112] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6109] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6112] <... mremap resumed>) = 0x200000a00000 [pid 6112] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6106] +++ exited with 0 +++ [pid 6097] +++ exited with 0 +++ [pid 6112] <... futex resumed>) = 1 [pid 6109] <... futex resumed>) = 0 [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=33 /* 0.33 s */} --- [pid 6112] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5844] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./15/binderfs") = 0 [pid 5844] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./15/cgroup.net" [pid 6100] close(3 [pid 5844] <... unlink resumed>) = 0 [pid 5844] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./15/cgroup.cpu") = 0 [pid 5844] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./15/cgroup" [pid 6103] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 5844] <... unlink resumed>) = 0 [pid 6100] <... close resumed>) = 0 [pid 6103] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6100] close(4 [pid 5844] getdents64(3, [pid 6103] <... futex resumed>) = 0 [pid 6100] <... close resumed>) = 0 [pid 5844] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6103] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6100] close(5 [pid 5844] close(3 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] close(6 [pid 5844] <... close resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] close(7 [pid 5844] rmdir("./15" [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] close(8) = -1 EBADF (Bad file descriptor) [pid 6100] close(9) = -1 EBADF (Bad file descriptor) [pid 6100] close(10) = -1 EBADF (Bad file descriptor) [pid 6100] close(11) = -1 EBADF (Bad file descriptor) [pid 6100] close(12) = -1 EBADF (Bad file descriptor) [pid 6100] close(13 [pid 5844] <... rmdir resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5844] mkdir("./16", 0777 [pid 6100] close(14) = -1 EBADF (Bad file descriptor) [pid 6100] close(15) = -1 EBADF (Bad file descriptor) [pid 6100] close(16 [pid 5844] <... mkdir resumed>) = 0 [pid 6100] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6100] close(17) = -1 EBADF (Bad file descriptor) [pid 6100] close(18) = -1 EBADF (Bad file descriptor) [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6100] close(19) = -1 EBADF (Bad file descriptor) [pid 6100] close(20) = -1 EBADF (Bad file descriptor) [pid 6100] close(21) = -1 EBADF (Bad file descriptor) [pid 6100] close(22) = -1 EBADF (Bad file descriptor) [pid 6100] close(23) = -1 EBADF (Bad file descriptor) [pid 6100] close(24) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6113 attached [pid 6100] close(25) = -1 EBADF (Bad file descriptor) [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 50 [pid 6100] close(26) = -1 EBADF (Bad file descriptor) [pid 6100] close(27) = -1 EBADF (Bad file descriptor) [pid 6100] close(28) = -1 EBADF (Bad file descriptor) [pid 6100] close(29) = -1 EBADF (Bad file descriptor) [pid 6100] exit_group(0) = ? [pid 6107] <... futex resumed>) = ? [pid 6107] +++ exited with 0 +++ [pid 6113] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6113] chdir("./16") = 0 [pid 6103] <... futex resumed>) = ? [pid 6113] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6113] setpgid(0, 0) = 0 [pid 6113] symlink("/syzcgroup/unified/syz4", "./cgroup") = 0 [pid 6113] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu") = 0 [pid 6113] symlink("/syzcgroup/net/syz4", "./cgroup.net") = 0 [pid 6113] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6113] write(3, "1000", 4 [pid 6099] close(3 [pid 6101] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6113] <... write resumed>) = 4 [pid 6101] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6113] close(3 [pid 6101] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... close resumed>) = 0 [pid 6113] symlink("/dev/binderfs", "./binderfs"executing program ) = 0 [pid 6113] write(1, "executing program\n", 18) = 18 [pid 6113] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6113] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6113] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6113] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} => {parent_tid=[51]}, 88) = 51 [pid 6113] rt_sigprocmask(SIG_SETMASK, [], ./strace-static-x86_64: Process 6114 attached NULL, 8) = 0 [pid 6114] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6113] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6114] <... rseq resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6114] set_robust_list(0x7fb5e51289a0, 24 [pid 6113] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6114] <... set_robust_list resumed>) = 0 [pid 6114] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6114] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6099] <... close resumed>) = 0 [pid 6099] close(4) = 0 [pid 6099] close(5) = -1 EBADF (Bad file descriptor) [pid 6099] close(6) = -1 EBADF (Bad file descriptor) [pid 6099] close(7) = -1 EBADF (Bad file descriptor) [pid 6099] close(8) = -1 EBADF (Bad file descriptor) [pid 6099] close(9) = -1 EBADF (Bad file descriptor) [pid 6099] close(10) = -1 EBADF (Bad file descriptor) [pid 6099] close(11) = -1 EBADF (Bad file descriptor) [pid 6099] close(12 [pid 6103] +++ exited with 0 +++ [pid 6100] +++ exited with 0 +++ [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(13) = -1 EBADF (Bad file descriptor) [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=29 /* 0.29 s */} --- [pid 6099] close(14) = -1 EBADF (Bad file descriptor) [pid 6099] close(15) = -1 EBADF (Bad file descriptor) [pid 6099] close(16) = -1 EBADF (Bad file descriptor) [pid 6099] close(17) = -1 EBADF (Bad file descriptor) [pid 5843] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6099] close(18) = -1 EBADF (Bad file descriptor) [pid 6099] close(19) = -1 EBADF (Bad file descriptor) [pid 5843] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] close(20 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6099] close(21 [pid 5843] <... openat resumed>) = 3 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] newfstatat(3, "", [pid 6099] close(22 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] getdents64(3, [pid 6099] close(23 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] close(24 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6099] close(25 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] unlink("./16/binderfs" [pid 6099] close(26 [pid 5843] <... unlink resumed>) = 0 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6099] close(27) = -1 EBADF (Bad file descriptor) [pid 5843] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6099] close(28 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 6113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6099] close(29 [pid 6113] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6099] exit_group(0 [pid 5843] unlink("./16/cgroup.net" [pid 6113] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6108] <... futex resumed>) = ? [pid 6101] <... futex resumed>) = ? [pid 6099] <... exit_group resumed>) = ? [pid 6108] +++ exited with 0 +++ [pid 6101] +++ exited with 0 +++ [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./16/cgroup.cpu") = 0 [pid 5843] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./16/cgroup") = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5843] close(3) = 0 [pid 5843] rmdir("./16") = 0 [pid 5843] mkdir("./17", 0777) = 0 [pid 6104] close(3 [pid 6105] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6105] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6105] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6115 attached [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 53 [pid 6115] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6115] chdir("./17") = 0 [pid 6115] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 6115] setpgid(0, 0) = 0 [pid 6115] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6104] <... close resumed>) = 0 [pid 6115] <... symlink resumed>) = 0 [pid 6115] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6115] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6115] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6104] close(4 [pid 6115] <... openat resumed>) = 3 [pid 6115] write(3, "1000", 4 [pid 6104] <... close resumed>) = 0 [pid 6115] <... write resumed>) = 4 [pid 6115] close(3 [pid 6104] close(5 [pid 6115] <... close resumed>) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6104] close(6executing program [pid 6115] write(1, "executing program\n", 18 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... write resumed>) = 18 [pid 6104] close(7 [pid 6115] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... futex resumed>) = 0 [pid 6104] close(8 [pid 6115] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6104] close(9 [pid 6115] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] close(10 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6104] close(11 [pid 6115] <... mmap resumed>) = 0x7fb5e5108000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6104] close(12) = -1 EBADF (Bad file descriptor) [pid 6115] <... mprotect resumed>) = 0 [pid 6104] close(13) = -1 EBADF (Bad file descriptor) [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6104] close(14 [pid 6115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6104] close(15./strace-static-x86_64: Process 6116 attached ) = -1 EBADF (Bad file descriptor) [pid 6116] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6115] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 6104] close(16 [pid 6116] <... rseq resumed>) = 0 [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] set_robust_list(0x7fb5e51289a0, 24 [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6104] close(17 [pid 6116] <... set_robust_list resumed>) = 0 [pid 6115] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] <... futex resumed>) = 0 [pid 6104] close(18 [pid 6116] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6116] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6104] close(19) = -1 EBADF (Bad file descriptor) [pid 6104] close(20) = -1 EBADF (Bad file descriptor) [pid 6104] close(21) = -1 EBADF (Bad file descriptor) [pid 6104] close(22) = -1 EBADF (Bad file descriptor) [pid 6104] close(23) = -1 EBADF (Bad file descriptor) [pid 6104] close(24) = -1 EBADF (Bad file descriptor) [pid 6104] close(25) = -1 EBADF (Bad file descriptor) [pid 6104] close(26) = -1 EBADF (Bad file descriptor) [pid 6104] close(27) = -1 EBADF (Bad file descriptor) [pid 6104] close(28) = -1 EBADF (Bad file descriptor) [pid 6104] close(29) = -1 EBADF (Bad file descriptor) [pid 6104] exit_group(0 [pid 6110] <... futex resumed>) = ? [pid 6104] <... exit_group resumed>) = ? [pid 6110] +++ exited with 0 +++ [pid 6105] <... futex resumed>) = ? [pid 6115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6115] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6115] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6099] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=39 /* 0.39 s */} --- [pid 6109] close(3 [pid 5840] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 6111] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6109] <... close resumed>) = 0 [pid 5840] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6111] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] close(4 [pid 5840] unlink("./16/binderfs" [pid 6111] <... futex resumed>) = 0 [pid 6109] <... close resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6111] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6109] close(5 [pid 5840] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] close(6 [pid 5840] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] close(7 [pid 5840] unlink("./16/cgroup.net" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6109] close(8 [pid 5840] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] close(9 [pid 5840] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] close(10 [pid 5840] unlink("./16/cgroup.cpu" [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] <... unlink resumed>) = 0 [pid 6109] close(11) = -1 EBADF (Bad file descriptor) [pid 6109] close(12) = -1 EBADF (Bad file descriptor) [pid 6109] close(13) = -1 EBADF (Bad file descriptor) [pid 6109] close(14) = -1 EBADF (Bad file descriptor) [pid 6109] close(15) = -1 EBADF (Bad file descriptor) [pid 6109] close(16) = -1 EBADF (Bad file descriptor) [pid 6109] close(17) = -1 EBADF (Bad file descriptor) [pid 5840] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6109] close(18 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] newfstatat(AT_FDCWD, "./16/cgroup", [pid 6109] close(19 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6105] +++ exited with 0 +++ [pid 6104] +++ exited with 0 +++ [pid 6109] close(20) = -1 EBADF (Bad file descriptor) [pid 5840] unlink("./16/cgroup") = 0 [pid 6109] close(21) = -1 EBADF (Bad file descriptor) [pid 6109] close(22) = -1 EBADF (Bad file descriptor) [pid 6109] close(23 [pid 5840] getdents64(3, [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6109] close(24 [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] close(3) = 0 [pid 5840] rmdir("./16" [pid 6109] close(25 [pid 5840] <... rmdir resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5840] mkdir("./17", 0777 [pid 6114] <... mmap resumed>) = 0x200000000000 [pid 6113] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5840] <... mkdir resumed>) = 0 [pid 6113] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6114] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6114] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... mprotect resumed>) = 0 ./strace-static-x86_64: Process 6117 attached [pid 6113] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6109] close(26 [pid 6113] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] set_robust_list(0x55558030a6a0, 24 [pid 6113] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6109] close(27./strace-static-x86_64: Process 6118 attached [pid 6117] <... set_robust_list resumed>) = 0 [pid 6118] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6113] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... rseq resumed>) = 0 [pid 6117] chdir("./17" [pid 6113] rt_sigprocmask(SIG_SETMASK, [], [pid 6109] close(28 [pid 6118] set_robust_list(0x7fb5e51079a0, 24 [pid 6117] <... chdir resumed>) = 0 [pid 6113] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... set_robust_list resumed>) = 0 [pid 6117] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6113] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6109] close(29 [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 53 [pid 6118] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] <... prctl resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6118] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] setpgid(0, 0 [pid 6113] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6109] exit_group(0 [pid 6118] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6117] <... setpgid resumed>) = 0 [pid 6112] <... futex resumed>) = ? [pid 6111] <... futex resumed>) = ? [pid 6109] <... exit_group resumed>) = ? [pid 6118] <... socketpair resumed>0x200000000200) = 0 [pid 6117] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6112] +++ exited with 0 +++ [pid 6111] +++ exited with 0 +++ [pid 5842] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6118] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6117] <... symlink resumed>) = 0 [pid 5842] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6118] <... futex resumed>) = 1 [pid 6117] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6118] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] <... futex resumed>) = 0 [pid 6113] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... symlink resumed>) = 0 [pid 6117] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6114] <... futex resumed>) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6114] sendmmsg(4, [pid 6113] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... openat resumed>) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./17/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./17/binderfs") = 0 [pid 5842] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6117] <... symlink resumed>) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 6117] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./17/cgroup.net") = 0 [pid 5842] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./17/cgroup.cpu") = 0 [pid 5842] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./17/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./17/cgroup") = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5842] close(3) = 0 [pid 5842] rmdir("./17") = 0 [pid 6117] <... openat resumed>) = 3 [pid 6117] write(3, "1000", 4) = 4 [pid 6117] close(3 [pid 5842] mkdir("./18", 0777 [pid 6117] <... close resumed>) = 0 [pid 6117] symlink("/dev/binderfs", "./binderfs" [pid 5842] <... mkdir resumed>) = 0 [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6119 attached executing program [pid 6117] write(1, "executing program\n", 18 [pid 6119] set_robust_list(0x55558030a6a0, 24 [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 56 [pid 6117] <... write resumed>) = 18 [pid 6119] <... set_robust_list resumed>) = 0 [pid 6117] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] chdir("./18" [pid 6117] <... futex resumed>) = 0 [pid 6117] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6119] <... chdir resumed>) = 0 [pid 6117] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6113] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6117] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6113] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... prctl resumed>) = 0 [pid 6118] <... futex resumed>) = 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... futex resumed>) = 1 [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6118] recvmmsg(3, [pid 6117] <... mmap resumed>) = 0x7fb5e5108000 [pid 6113] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] setpgid(0, 0 [pid 6118] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6117] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6118] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... setpgid resumed>) = 0 [pid 6118] <... futex resumed>) = 1 [pid 6117] <... mprotect resumed>) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6118] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6118] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6117] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6113] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6118] <... mremap resumed>) = 0x200000a00000 [pid 6117] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6118] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6113] <... futex resumed>) = 0 [pid 6119] <... symlink resumed>) = 0 [pid 6118] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6120 attached [pid 6118] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6113] <... futex resumed>) = 0 [pid 6120] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6118] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6113] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... rseq resumed>) = 0 [pid 6119] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6118] <... mremap resumed>) = 0x200000a00000 [pid 6117] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 6120] set_robust_list(0x7fb5e51289a0, 24 [pid 6119] <... symlink resumed>) = 0 [pid 6118] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6120] <... set_robust_list resumed>) = 0 [pid 6119] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6118] <... futex resumed>) = 1 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6113] <... futex resumed>) = 0 [pid 6120] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... symlink resumed>) = 0 [pid 6118] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6120] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] <... futex resumed>) = 0 [pid 6120] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6117] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... openat resumed>) = 3 [pid 6119] write(3, "1000", 4) = 4 [pid 6119] close(3) = 0 [pid 6119] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6119] write(1, "executing program\n", 18executing program ) = 18 [pid 6119] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6119] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6119] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6116] <... mmap resumed>) = 0x200000000000 [pid 6115] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6116] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6119] <... mmap resumed>) = 0x7fb5e5108000 [pid 6119] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6116] <... futex resumed>) = 0 [pid 6115] <... mprotect resumed>) = 0 [pid 6119] <... mprotect resumed>) = 0 [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6116] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6119] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6117] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6109] +++ exited with 0 +++ [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6117] <... futex resumed>) = 0 [pid 6115] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6122 attached ./strace-static-x86_64: Process 6121 attached [pid 6117] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6122] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6121] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6119] <... clone3 resumed> => {parent_tid=[57]}, 88) = 57 [pid 6115] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=47, si_uid=0, si_status=0, si_utime=0, si_stime=26 /* 0.26 s */} --- [pid 6122] <... rseq resumed>) = 0 [pid 6121] <... rseq resumed>) = 0 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6115] rt_sigprocmask(SIG_SETMASK, [], [pid 6122] set_robust_list(0x7fb5e51079a0, 24 [pid 6121] set_robust_list(0x7fb5e51289a0, 24 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6115] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] umount2("./15", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6122] <... set_robust_list resumed>) = 0 [pid 6121] <... set_robust_list resumed>) = 0 [pid 6119] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] rt_sigprocmask(SIG_SETMASK, [], [pid 6121] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6122] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6121] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6115] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] openat(AT_FDCWD, "./15", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6122] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6121] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6122] <... socketpair resumed>0x200000000200) = 0 [pid 5841] <... openat resumed>) = 3 [pid 6122] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] newfstatat(3, "", [pid 6122] <... futex resumed>) = 1 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 6122] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... futex resumed>) = 0 [pid 6115] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6116] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 1 [pid 6116] sendmmsg(4, [pid 6115] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5841] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5841] umount2("./15/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./15/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./15/binderfs") = 0 [pid 5841] umount2("./15/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./15/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./15/cgroup.net") = 0 [pid 5841] umount2("./15/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5841] newfstatat(AT_FDCWD, "./15/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./15/cgroup.cpu") = 0 [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] umount2("./15/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6119] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6119] <... futex resumed>) = 0 [pid 6119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 5841] newfstatat(AT_FDCWD, "./15/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] unlink("./15/cgroup") = 0 [pid 5841] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3) = 0 [pid 6115] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 5841] rmdir("./15" [pid 6115] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6122] <... futex resumed>) = 0 [pid 6115] <... futex resumed>) = 1 [pid 5841] <... rmdir resumed>) = 0 [pid 6122] recvmmsg(3, [pid 6115] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6122] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 5841] mkdir("./16", 0777 [pid 6122] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... mkdir resumed>) = 0 [pid 6122] <... futex resumed>) = 1 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6122] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL./strace-static-x86_64: Process 6124 attached [pid 6115] <... futex resumed>) = 0 [pid 6124] set_robust_list(0x55558030a6a0, 24 [pid 6115] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... set_robust_list resumed>) = 0 [pid 6115] <... futex resumed>) = 1 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 50 [pid 6124] chdir("./16" [pid 6122] <... futex resumed>) = 0 [pid 6115] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] <... chdir resumed>) = 0 [pid 6124] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6122] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6124] <... prctl resumed>) = 0 [pid 6124] setpgid(0, 0) = 0 [pid 6124] symlink("/syzcgroup/unified/syz2", "./cgroup") = 0 [pid 6124] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu") = 0 [pid 6124] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 6122] <... mremap resumed>) = 0x200000a00000 [pid 6124] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6122] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] write(3, "1000", 4 [pid 6122] <... futex resumed>) = 1 [pid 6124] <... write resumed>) = 4 [pid 6115] <... futex resumed>) = 0 [pid 6122] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] close(3) = 0 [pid 6122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6115] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] symlink("/dev/binderfs", "./binderfs") = 0 executing program [pid 6122] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6115] <... futex resumed>) = 0 [pid 6124] write(1, "executing program\n", 18) = 18 [pid 6124] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 6124] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 6124] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6115] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6124] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6122] <... mremap resumed>) = 0x200000a00000 [pid 6122] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6115] <... futex resumed>) = 0 [pid 6122] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0}./strace-static-x86_64: Process 6125 attached [pid 6125] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053) = 0 [pid 6125] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6125] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6124] <... clone3 resumed> => {parent_tid=[51]}, 88) = 51 [pid 6125] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6124] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 1 [pid 6125] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6124] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}) = -1 ETIMEDOUT (Connection timed out) [pid 6124] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6120] <... mmap resumed>) = 0x200000000000 [pid 6117] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6120] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6120] <... futex resumed>) = 0 [pid 6117] <... mprotect resumed>) = 0 [pid 6120] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6117] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6126 attached => {parent_tid=[55]}, 88) = 55 [pid 6126] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6117] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] <... rseq resumed>) = 0 [pid 6117] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6126] set_robust_list(0x7fb5e51079a0, 24 [pid 6117] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... set_robust_list resumed>) = 0 [pid 6126] rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0 [pid 6126] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6126] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6126] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6120] <... futex resumed>) = 0 [pid 6120] sendmmsg(4, [pid 6121] <... mmap resumed>) = 0x200000000000 [pid 6119] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6121] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6121] <... futex resumed>) = 0 [pid 6119] <... mprotect resumed>) = 0 [pid 6121] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6119] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6127 attached [pid 6117] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6127] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6119] <... clone3 resumed> => {parent_tid=[58]}, 88) = 58 [pid 6127] set_robust_list(0x7fb5e51079a0, 24 [pid 6117] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] rt_sigprocmask(SIG_SETMASK, [], [pid 6127] <... set_robust_list resumed>) = 0 [pid 6126] <... futex resumed>) = 0 [pid 6119] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] <... futex resumed>) = 1 [pid 6119] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] rt_sigprocmask(SIG_SETMASK, [], [pid 6126] recvmmsg(3, [pid 6119] <... futex resumed>) = 0 [pid 6117] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6126] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6119] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6126] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6127] <... socketpair resumed>0x200000000200) = 0 [pid 6126] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] <... futex resumed>) = 0 [pid 6127] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6117] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... futex resumed>) = 1 [pid 6126] <... mremap resumed>) = 0x200000a00000 [pid 6119] <... futex resumed>) = 0 [pid 6119] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] <... futex resumed>) = 0 [pid 6119] <... futex resumed>) = 1 [pid 6121] sendmmsg(4, [pid 6119] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6126] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6126] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6117] <... futex resumed>) = 0 [pid 6126] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6117] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6126] <... mremap resumed>) = 0x200000a00000 [pid 6126] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6117] <... futex resumed>) = 0 [pid 6126] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6125] <... mmap resumed>) = 0x200000000000 [pid 6124] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6125] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6125] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... mprotect resumed>) = 0 [pid 6124] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6119] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6124] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6119] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6128 attached [pid 6128] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053) = 0 [pid 6128] set_robust_list(0x7fb5e51079a0, 24) = 0 [pid 6128] rt_sigprocmask(SIG_SETMASK, [], [pid 6124] <... clone3 resumed> => {parent_tid=[52]}, 88) = 52 [pid 6119] <... futex resumed>) = 1 [pid 6124] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... futex resumed>) = 0 [pid 6124] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6128] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6124] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6127] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6127] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6119] <... futex resumed>) = 0 [pid 6127] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6119] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6127] <... mremap resumed>) = 0x200000a00000 [pid 6128] <... socketpair resumed>0x200000000200) = 0 [pid 6127] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6127] <... futex resumed>) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6128] <... futex resumed>) = 1 [pid 6128] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6127] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6119] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6124] <... futex resumed>) = 0 [pid 6127] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6124] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... futex resumed>) = 0 [pid 6127] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6125] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 1 [pid 6119] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] <... mremap resumed>) = 0x200000a00000 [pid 6125] sendmmsg(4, [pid 6124] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6127] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6119] <... futex resumed>) = 0 [pid 6127] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6124] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6128] <... futex resumed>) = 0 [pid 6124] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6128] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6128] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6128] <... futex resumed>) = 0 [pid 6124] <... futex resumed>) = 1 [pid 6128] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6124] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] <... mremap resumed>) = 0x200000a00000 [pid 6128] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6124] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6124] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6128] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000) = 0x200000a00000 [pid 6128] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6124] <... futex resumed>) = 0 [pid 6128] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] close(3 [pid 6114] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6113] <... close resumed>) = 0 [pid 6114] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6113] close(4 [pid 6114] <... futex resumed>) = 0 [pid 6113] <... close resumed>) = 0 [pid 6114] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6113] close(5) = -1 EBADF (Bad file descriptor) [pid 6113] close(6) = -1 EBADF (Bad file descriptor) [pid 6113] close(7) = -1 EBADF (Bad file descriptor) [pid 6113] close(8) = -1 EBADF (Bad file descriptor) [pid 6113] close(9) = -1 EBADF (Bad file descriptor) [pid 6113] close(10) = -1 EBADF (Bad file descriptor) [pid 6113] close(11) = -1 EBADF (Bad file descriptor) [pid 6113] close(12) = -1 EBADF (Bad file descriptor) [pid 6113] close(13) = -1 EBADF (Bad file descriptor) [pid 6113] close(14) = -1 EBADF (Bad file descriptor) [pid 6113] close(15) = -1 EBADF (Bad file descriptor) [pid 6113] close(16) = -1 EBADF (Bad file descriptor) [pid 6113] close(17) = -1 EBADF (Bad file descriptor) [pid 6113] close(18) = -1 EBADF (Bad file descriptor) [pid 6113] close(19) = -1 EBADF (Bad file descriptor) [pid 6113] close(20) = -1 EBADF (Bad file descriptor) [pid 6113] close(21) = -1 EBADF (Bad file descriptor) [pid 6113] close(22) = -1 EBADF (Bad file descriptor) [pid 6113] close(23) = -1 EBADF (Bad file descriptor) [pid 6113] close(24) = -1 EBADF (Bad file descriptor) [pid 6113] close(25) = -1 EBADF (Bad file descriptor) [pid 6113] close(26) = -1 EBADF (Bad file descriptor) [pid 6113] close(27) = -1 EBADF (Bad file descriptor) [pid 6113] close(28) = -1 EBADF (Bad file descriptor) [pid 6113] close(29) = -1 EBADF (Bad file descriptor) [pid 6113] exit_group(0 [pid 6118] <... futex resumed>) = ? [pid 6114] <... futex resumed>) = ? [pid 6113] <... exit_group resumed>) = ? [pid 6118] +++ exited with 0 +++ [pid 6114] +++ exited with 0 +++ [pid 6115] close(3 [pid 6116] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6115] <... close resumed>) = 0 [pid 6116] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6115] close(4) = 0 [pid 6116] <... futex resumed>) = 0 [pid 6115] close(5 [pid 6116] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6115] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6115] close(6) = -1 EBADF (Bad file descriptor) [pid 6115] close(7) = -1 EBADF (Bad file descriptor) [pid 6115] close(8) = -1 EBADF (Bad file descriptor) [pid 6115] close(9) = -1 EBADF (Bad file descriptor) [pid 6115] close(10) = -1 EBADF (Bad file descriptor) [pid 6115] close(11) = -1 EBADF (Bad file descriptor) [pid 6115] close(12) = -1 EBADF (Bad file descriptor) [pid 6115] close(13) = -1 EBADF (Bad file descriptor) [pid 6115] close(14) = -1 EBADF (Bad file descriptor) [pid 6115] close(15) = -1 EBADF (Bad file descriptor) [pid 6115] close(16) = -1 EBADF (Bad file descriptor) [pid 6115] close(17) = -1 EBADF (Bad file descriptor) [pid 6115] close(18) = -1 EBADF (Bad file descriptor) [pid 6115] close(19) = -1 EBADF (Bad file descriptor) [pid 6115] close(20) = -1 EBADF (Bad file descriptor) [pid 6115] close(21) = -1 EBADF (Bad file descriptor) [pid 6115] close(22) = -1 EBADF (Bad file descriptor) [pid 6115] close(23) = -1 EBADF (Bad file descriptor) [pid 6115] close(24) = -1 EBADF (Bad file descriptor) [pid 6115] close(25) = -1 EBADF (Bad file descriptor) [pid 6115] close(26) = -1 EBADF (Bad file descriptor) [pid 6115] close(27) = -1 EBADF (Bad file descriptor) [pid 6115] close(28) = -1 EBADF (Bad file descriptor) [pid 6115] close(29) = -1 EBADF (Bad file descriptor) [pid 6115] exit_group(0 [pid 6116] <... futex resumed>) = ? [pid 6115] <... exit_group resumed>) = ? [pid 6122] <... futex resumed>) = ? [pid 6116] +++ exited with 0 +++ [pid 6113] +++ exited with 0 +++ [pid 5844] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=30 /* 0.30 s */} --- [pid 5844] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 5844] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5844] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5844] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./16/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./16/binderfs") = 0 [pid 5844] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./16/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./16/cgroup.net") = 0 [pid 5844] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./16/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./16/cgroup.cpu") = 0 [pid 5844] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5844] newfstatat(AT_FDCWD, "./16/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5844] unlink("./16/cgroup") = 0 [pid 5844] getdents64(3, 0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5844] close(3) = 0 [pid 6122] +++ exited with 0 +++ [pid 6115] +++ exited with 0 +++ [pid 5844] rmdir("./16" [pid 5843] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=22 /* 0.22 s */} --- [pid 5844] <... rmdir resumed>) = 0 [pid 5843] restart_syscall(<... resuming interrupted clone ...> [pid 5844] mkdir("./17", 0777) = 0 [pid 5844] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 5843] <... restart_syscall resumed>) = 0 [pid 5843] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6129 attached [pid 6129] set_robust_list(0x55558030a6a0, 24 [pid 5844] <... clone resumed>, child_tidptr=0x55558030a690) = 53 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5843] newfstatat(3, "", [pid 6129] <... set_robust_list resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5843] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6129] chdir("./17" [pid 5843] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] <... chdir resumed>) = 0 [pid 6129] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] <... prctl resumed>) = 0 [pid 6129] setpgid(0, 0 [pid 5843] newfstatat(AT_FDCWD, "./17/binderfs", [pid 6129] <... setpgid resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6129] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 5843] unlink("./17/binderfs") = 0 [pid 5843] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] <... symlink resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 5843] newfstatat(AT_FDCWD, "./17/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6129] <... symlink resumed>) = 0 [pid 5843] unlink("./17/cgroup.net" [pid 6129] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 5843] <... unlink resumed>) = 0 [pid 5843] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] <... symlink resumed>) = 0 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5843] newfstatat(AT_FDCWD, "./17/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5843] unlink("./17/cgroup.cpu" [pid 6129] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 5843] <... unlink resumed>) = 0 [pid 6129] <... openat resumed>) = 3 [pid 6129] write(3, "1000", 4 [pid 5843] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] <... write resumed>) = 4 [pid 5843] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] close(3 [pid 5843] newfstatat(AT_FDCWD, "./17/cgroup", [pid 6129] <... close resumed>) = 0 [pid 5843] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6129] symlink("/dev/binderfs", "./binderfs" [pid 5843] unlink("./17/cgroup" [pid 6129] <... symlink resumed>) = 0 [pid 5843] <... unlink resumed>) = 0 [pid 6129] write(1, "executing program\n", 18executing program ) = 18 [pid 5843] getdents64(3, [pid 6129] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5843] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6117] close(3 [pid 6129] <... futex resumed>) = 0 [pid 5843] close(3 [pid 6129] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, NULL, 8) = 0 [pid 5843] <... close resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 5843] rmdir("./17" [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5843] <... rmdir resumed>) = 0 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fb5e5108000 [pid 5843] mkdir("./18", 0777 [pid 6129] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 5843] <... mkdir resumed>) = 0 [pid 6129] <... mprotect resumed>) = 0 [pid 5843] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6117] <... close resumed>) = 0 [pid 6120] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 ./strace-static-x86_64: Process 6130 attached [pid 6120] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] close(4 [pid 6120] <... futex resumed>) = 0 [pid 6130] set_robust_list(0x55558030a6a0, 24 [pid 6117] <... close resumed>) = 0 [pid 6130] <... set_robust_list resumed>) = 0 [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6120] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] close(5 [pid 6130] chdir("./18" [pid 6129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6119] close(3 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 5843] <... clone resumed>, child_tidptr=0x55558030a690) = 56 [pid 6130] <... chdir resumed>) = 0 [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6117] close(6 [pid 6130] prctl(PR_SET_PDEATHSIG, SIGKILL./strace-static-x86_64: Process 6131 attached ) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6130] setpgid(0, 0 [pid 6129] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 6117] close(7 [pid 6131] <... rseq resumed>) = 0 [pid 6130] <... setpgid resumed>) = 0 [pid 6131] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6130] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... symlink resumed>) = 0 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6117] close(8 [pid 6131] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6129] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6130] <... symlink resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6117] close(9 [pid 6130] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... symlink resumed>) = 0 [pid 6129] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6117] close(10 [pid 6130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(11 [pid 6130] <... openat resumed>) = 3 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(12 [pid 6130] write(3, "1000", 4) = 4 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(3 [pid 6117] close(13 [pid 6130] <... close resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] symlink("/dev/binderfs", "./binderfs" [pid 6117] close(14 [pid 6130] <... symlink resumed>) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) executing program [pid 6130] write(1, "executing program\n", 18 [pid 6117] close(15 [pid 6130] <... write resumed>) = 18 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6121] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6130] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6121] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6117] close(16 [pid 6121] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 0 [pid 6121] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6117] close(17 [pid 6130] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6130] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6117] close(18 [pid 6130] <... mmap resumed>) = 0x7fb5e5108000 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(19 [pid 6119] <... close resumed>) = 0 [pid 6130] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... mprotect resumed>) = 0 [pid 6119] close(4 [pid 6117] close(20 [pid 6119] <... close resumed>) = 0 [pid 6130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6119] close(5 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(21 [pid 6130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6119] close(6 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] close(22./strace-static-x86_64: Process 6132 attached [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6130] <... clone3 resumed> => {parent_tid=[57]}, 88) = 57 [pid 6119] close(7 [pid 6117] close(23 [pid 6132] <... rseq resumed>) = 0 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] set_robust_list(0x7fb5e51289a0, 24 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6119] close(8 [pid 6117] close(24 [pid 6132] <... set_robust_list resumed>) = 0 [pid 6130] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... futex resumed>) = 0 [pid 6119] close(9 [pid 6117] close(25 [pid 6132] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6130] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6132] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6119] close(10 [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(11) = -1 EBADF (Bad file descriptor) [pid 6119] close(12 [pid 6117] close(26 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(13 [pid 6117] close(27 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(14 [pid 6117] close(28 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(15 [pid 6117] close(29 [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6119] close(16 [pid 6117] exit_group(0 [pid 6120] <... futex resumed>) = ? [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6117] <... exit_group resumed>) = ? [pid 6129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6126] <... futex resumed>) = ? [pid 6119] close(17 [pid 6129] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6126] +++ exited with 0 +++ [pid 6120] +++ exited with 0 +++ [pid 6119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... futex resumed>) = 0 [pid 6129] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6119] close(18) = -1 EBADF (Bad file descriptor) [pid 6119] close(19) = -1 EBADF (Bad file descriptor) [pid 6119] close(20) = -1 EBADF (Bad file descriptor) [pid 6119] close(21) = -1 EBADF (Bad file descriptor) [pid 6119] close(22) = -1 EBADF (Bad file descriptor) [pid 6119] close(23) = -1 EBADF (Bad file descriptor) [pid 6124] close(3 [pid 6119] close(24) = -1 EBADF (Bad file descriptor) [pid 6119] close(25) = -1 EBADF (Bad file descriptor) [pid 6119] close(26) = -1 EBADF (Bad file descriptor) [pid 6119] close(27) = -1 EBADF (Bad file descriptor) [pid 6119] close(28) = -1 EBADF (Bad file descriptor) [pid 6119] close(29) = -1 EBADF (Bad file descriptor) [pid 6119] exit_group(0 [pid 6127] <... futex resumed>) = ? [pid 6121] <... futex resumed>) = ? [pid 6119] <... exit_group resumed>) = ? [pid 6127] +++ exited with 0 +++ [pid 6121] +++ exited with 0 +++ [pid 6130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6125] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6130] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6125] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6125] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6124] <... close resumed>) = 0 [pid 6124] close(4) = 0 [pid 6124] close(5) = -1 EBADF (Bad file descriptor) [pid 6124] close(6) = -1 EBADF (Bad file descriptor) [pid 6124] close(7) = -1 EBADF (Bad file descriptor) [pid 6124] close(8) = -1 EBADF (Bad file descriptor) [pid 6124] close(9) = -1 EBADF (Bad file descriptor) [pid 6124] close(10) = -1 EBADF (Bad file descriptor) [pid 6124] close(11) = -1 EBADF (Bad file descriptor) [pid 6124] close(12) = -1 EBADF (Bad file descriptor) [pid 6124] close(13) = -1 EBADF (Bad file descriptor) [pid 6124] close(14) = -1 EBADF (Bad file descriptor) [pid 6124] close(15) = -1 EBADF (Bad file descriptor) [pid 6124] close(16) = -1 EBADF (Bad file descriptor) [pid 6124] close(17) = -1 EBADF (Bad file descriptor) [pid 6124] close(18) = -1 EBADF (Bad file descriptor) [pid 6124] close(19) = -1 EBADF (Bad file descriptor) [pid 6124] close(20) = -1 EBADF (Bad file descriptor) [pid 6124] close(21) = -1 EBADF (Bad file descriptor) [pid 6124] close(22) = -1 EBADF (Bad file descriptor) [pid 6124] close(23) = -1 EBADF (Bad file descriptor) [pid 6124] close(24) = -1 EBADF (Bad file descriptor) [pid 6124] close(25) = -1 EBADF (Bad file descriptor) [pid 6124] close(26) = -1 EBADF (Bad file descriptor) [pid 6124] close(27) = -1 EBADF (Bad file descriptor) [pid 6124] close(28) = -1 EBADF (Bad file descriptor) [pid 6124] close(29) = -1 EBADF (Bad file descriptor) [pid 6124] exit_group(0 [pid 6128] <... futex resumed>) = ? [pid 6125] <... futex resumed>) = ? [pid 6124] <... exit_group resumed>) = ? [pid 6128] +++ exited with 0 +++ [pid 6117] +++ exited with 0 +++ [pid 5840] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=53, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5840] restart_syscall(<... resuming interrupted clone ...>) = 0 [pid 6119] +++ exited with 0 +++ [pid 5842] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=56, si_uid=0, si_status=0, si_utime=0, si_stime=34 /* 0.34 s */} --- [pid 5840] umount2("./17", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] openat(AT_FDCWD, "./17", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 5842] umount2("./18", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... openat resumed>) = 3 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] openat(AT_FDCWD, "./18", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 [pid 5842] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5840] newfstatat(3, "", {st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5840] getdents64(3, 0x55558030b730 /* 6 entries */, 32768) = 176 [pid 5842] umount2("./18/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5840] umount2("./17/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 5842] newfstatat(AT_FDCWD, "./18/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] newfstatat(AT_FDCWD, "./17/binderfs", [pid 5842] unlink("./18/binderfs") = 0 [pid 5842] umount2("./18/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./17/binderfs" [pid 5842] newfstatat(AT_FDCWD, "./18/cgroup.net", [pid 5840] <... unlink resumed>) = 0 [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] umount2("./17/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] unlink("./18/cgroup.net") = 0 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] umount2("./18/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] newfstatat(AT_FDCWD, "./17/cgroup.net", [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] newfstatat(AT_FDCWD, "./18/cgroup.cpu", [pid 5840] unlink("./17/cgroup.net" [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5842] unlink("./18/cgroup.cpu" [pid 6125] +++ exited with 0 +++ [pid 6124] +++ exited with 0 +++ [pid 5842] <... unlink resumed>) = 0 [pid 5840] umount2("./17/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5842] umount2("./18/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5841] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=50, si_uid=0, si_status=0, si_utime=0, si_stime=31 /* 0.31 s */} --- [pid 5842] newfstatat(AT_FDCWD, "./18/cgroup", [pid 5840] newfstatat(AT_FDCWD, "./17/cgroup.cpu", [pid 5842] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5842] unlink("./18/cgroup" [pid 6131] <... mmap resumed>) = 0x200000000000 [pid 6129] <... mmap resumed>) = 0x7fb5e50e7000 [pid 5841] umount2("./16", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] unlink("./17/cgroup.cpu" [pid 6131] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 5842] <... unlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5842] getdents64(3, [pid 5841] openat(AT_FDCWD, "./16", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6131] <... futex resumed>) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 5841] <... openat resumed>) = 3 [pid 5842] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 6131] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] newfstatat(3, "", [pid 5840] umount2("./17/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6129] <... mprotect resumed>) = 0 [pid 5841] <... newfstatat resumed>{st_mode=S_IFDIR|0700, st_size=120, ...}, AT_EMPTY_PATH) = 0 [pid 5842] close(3 [pid 5840] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6129] rt_sigprocmask(SIG_BLOCK, ~[], [pid 5842] <... close resumed>) = 0 [pid 5841] getdents64(3, [pid 5840] newfstatat(AT_FDCWD, "./17/cgroup", [pid 6129] <... rt_sigprocmask resumed>[], 8) = 0 [pid 5842] rmdir("./18" [pid 5841] <... getdents64 resumed>0x55558030b730 /* 6 entries */, 32768) = 176 [pid 6129] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 5842] <... rmdir resumed>) = 0 [pid 5840] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5841] umount2("./16/binderfs", MNT_FORCE|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6133 attached [pid 5842] mkdir("./19", 0777 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] unlink("./17/cgroup" [pid 5841] newfstatat(AT_FDCWD, "./16/binderfs", [pid 6129] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] <... unlink resumed>) = 0 [pid 6133] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 5842] <... mkdir resumed>) = 0 [pid 5841] unlink("./16/binderfs" [pid 5840] getdents64(3, [pid 5842] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6129] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... unlink resumed>) = 0 [pid 6129] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6129] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 5842] <... clone resumed>, child_tidptr=0x55558030a690) = 59 [pid 5841] umount2("./16/cgroup.net", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6133] <... rseq resumed>) = 0 [pid 5840] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6134 attached [pid 6133] set_robust_list(0x7fb5e51079a0, 24 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] close(3 [pid 6134] set_robust_list(0x55558030a6a0, 24) = 0 [pid 6133] <... set_robust_list resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./16/cgroup.net", [pid 5840] <... close resumed>) = 0 [pid 6134] chdir("./19" [pid 6133] rt_sigprocmask(SIG_SETMASK, [], [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 5840] rmdir("./17" [pid 6133] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 5841] unlink("./16/cgroup.net" [pid 6134] <... chdir resumed>) = 0 [pid 6133] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 5841] <... unlink resumed>) = 0 [pid 5840] <... rmdir resumed>) = 0 [pid 6134] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 5841] umount2("./16/cgroup.cpu", MNT_FORCE|UMOUNT_NOFOLLOW [pid 5840] mkdir("./18", 0777 [pid 6133] <... socketpair resumed>0x200000000200) = 0 [pid 6134] setpgid(0, 0 [pid 6133] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 5840] <... mkdir resumed>) = 0 [pid 6134] <... setpgid resumed>) = 0 [pid 6133] <... futex resumed>) = 1 [pid 5841] newfstatat(AT_FDCWD, "./16/cgroup.cpu", [pid 5840] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6134] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6133] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6134] <... symlink resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6129] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6129] <... futex resumed>) = 1 ./strace-static-x86_64: Process 6135 attached [pid 6131] <... futex resumed>) = 0 [pid 5841] unlink("./16/cgroup.cpu" [pid 6135] set_robust_list(0x55558030a6a0, 24 [pid 6131] sendmmsg(4, [pid 6129] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] <... set_robust_list resumed>) = 0 [pid 6134] <... symlink resumed>) = 0 [pid 5841] <... unlink resumed>) = 0 [pid 5840] <... clone resumed>, child_tidptr=0x55558030a690) = 56 [pid 6135] chdir("./18" [pid 6134] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 5841] umount2("./16/cgroup", MNT_FORCE|UMOUNT_NOFOLLOW [pid 6135] <... chdir resumed>) = 0 [pid 6135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6134] <... symlink resumed>) = 0 [pid 5841] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6135] <... prctl resumed>) = 0 [pid 5841] newfstatat(AT_FDCWD, "./16/cgroup", [pid 6135] setpgid(0, 0 [pid 6134] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6135] <... setpgid resumed>) = 0 [pid 6134] <... openat resumed>) = 3 [pid 6135] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 5841] <... newfstatat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}, AT_SYMLINK_NOFOLLOW) = 0 [pid 6135] <... symlink resumed>) = 0 [pid 6134] write(3, "1000", 4 [pid 6135] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 5841] unlink("./16/cgroup" [pid 6135] <... symlink resumed>) = 0 [pid 6134] <... write resumed>) = 4 [pid 6135] symlink("/syzcgroup/net/syz0", "./cgroup.net") = 0 [pid 6134] close(3 [pid 5841] <... unlink resumed>) = 0 [pid 6134] <... close resumed>) = 0 [pid 6135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6134] symlink("/dev/binderfs", "./binderfs" [pid 5841] getdents64(3, [pid 6135] <... openat resumed>) = 3 [pid 6134] <... symlink resumed>) = 0 [pid 5841] <... getdents64 resumed>0x55558030b730 /* 0 entries */, 32768) = 0 [pid 5841] close(3 [pid 6135] write(3, "1000", 4executing program [pid 6134] write(1, "executing program\n", 18 [pid 5841] <... close resumed>) = 0 [pid 6135] <... write resumed>) = 4 [pid 6134] <... write resumed>) = 18 [pid 6135] close(3 [pid 6134] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 5841] rmdir("./16" [pid 6135] <... close resumed>) = 0 [pid 6134] <... futex resumed>) = 0 [pid 5841] <... rmdir resumed>) = 0 [pid 6135] symlink("/dev/binderfs", "./binderfs" [pid 6134] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 5841] mkdir("./17", 0777 [pid 6135] <... symlink resumed>) = 0 [pid 6134] <... rt_sigaction resumed>NULL, 8) = 0 [pid 5841] <... mkdir resumed>) = 0 [pid 5841] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLDexecuting program [pid 6135] write(1, "executing program\n", 18 [pid 6134] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6135] <... write resumed>) = 18 [pid 6135] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 6136 attached [pid 6135] <... futex resumed>) = 0 [pid 6134] <... mmap resumed>) = 0x7fb5e5108000 [pid 5841] <... clone resumed>, child_tidptr=0x55558030a690) = 53 [pid 6135] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6136] set_robust_list(0x55558030a6a0, 24 [pid 6135] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6134] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6136] <... set_robust_list resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0 [pid 6134] <... mprotect resumed>) = 0 [pid 6136] chdir("./17" [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6136] <... chdir resumed>) = 0 [pid 6134] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6135] <... mmap resumed>) = 0x7fb5e5108000 [pid 6134] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6135] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6136] <... prctl resumed>) = 0 [pid 6135] <... mprotect resumed>) = 0 [pid 6134] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6136] setpgid(0, 0) = 0 [pid 6135] rt_sigprocmask(SIG_BLOCK, ~[], ./strace-static-x86_64: Process 6137 attached [pid 6134] <... clone3 resumed> => {parent_tid=[60]}, 88) = 60 [pid 6137] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6136] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6134] rt_sigprocmask(SIG_SETMASK, [], [pid 6137] <... rseq resumed>) = 0 [pid 6135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6134] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6137] set_robust_list(0x7fb5e51289a0, 24) = 0 [pid 6134] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6137] rt_sigprocmask(SIG_SETMASK, [], [pid 6134] <... futex resumed>) = 0 ./strace-static-x86_64: Process 6138 attached [pid 6137] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... clone3 resumed> => {parent_tid=[57]}, 88) = 57 [pid 6138] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6137] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6134] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6138] <... rseq resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6138] set_robust_list(0x7fb5e51289a0, 24 [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6138] <... set_robust_list resumed>) = 0 [pid 6136] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6135] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6138] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... symlink resumed>) = 0 [pid 6135] <... futex resumed>) = 0 [pid 6138] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6138] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6136] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6136] write(3, "1000", 4) = 4 [pid 6136] close(3executing program ) = 0 [pid 6136] symlink("/dev/binderfs", "./binderfs" [pid 6129] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6129] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... symlink resumed>) = 0 [pid 6136] write(1, "executing program\n", 18) = 18 [pid 6136] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6133] <... futex resumed>) = 0 [pid 6129] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6133] recvmmsg(3, [pid 6136] rt_sigaction(SIGRT_1, {sa_handler=0x7fb5e5196da0, sa_mask=[], sa_flags=SA_RESTORER|SA_ONSTACK|SA_RESTART|SA_SIGINFO, sa_restorer=0x7fb5e5187f20}, [pid 6133] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6136] <... rt_sigaction resumed>NULL, 8) = 0 [pid 6133] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], [pid 6133] <... futex resumed>) = 0 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6133] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... mmap resumed>) = 0x7fb5e5108000 [pid 6129] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6129] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6136] mprotect(0x7fb5e5109000, 131072, PROT_READ|PROT_WRITE [pid 6133] <... futex resumed>) = 0 [pid 6136] <... mprotect resumed>) = 0 [pid 6133] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6132] <... mmap resumed>) = 0x200000000000 [pid 6130] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6133] <... mremap resumed>) = 0x200000a00000 [pid 6132] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6132] <... futex resumed>) = 0 [pid 6130] <... mprotect resumed>) = 0 [pid 6132] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6130] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6136] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6133] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5128990, parent_tid=0x7fb5e5128990, exit_signal=0, stack=0x7fb5e5108000, stack_size=0x20300, tls=0x7fb5e51286c0} [pid 6133] <... futex resumed>) = 1 [pid 6129] <... futex resumed>) = 0 [pid 6130] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6129] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 0 ./strace-static-x86_64: Process 6139 attached [pid 6129] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 6140 attached [pid 6139] rseq(0x7fb5e5128fe0, 0x20, 0, 0x53053053 [pid 6136] <... clone3 resumed> => {parent_tid=[54]}, 88) = 54 [pid 6133] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6140] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6139] <... rseq resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6130] <... clone3 resumed> => {parent_tid=[58]}, 88) = 58 [pid 6140] <... rseq resumed>) = 0 [pid 6139] set_robust_list(0x7fb5e51289a0, 24 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6133] <... mremap resumed>) = 0x200000a00000 [pid 6130] rt_sigprocmask(SIG_SETMASK, [], [pid 6140] set_robust_list(0x7fb5e51079a0, 24 [pid 6139] <... set_robust_list resumed>) = 0 [pid 6136] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6140] <... set_robust_list resumed>) = 0 [pid 6139] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... futex resumed>) = 0 [pid 6133] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] rt_sigprocmask(SIG_SETMASK, [], [pid 6139] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = 1 [pid 6130] <... futex resumed>) = 0 [pid 6129] <... futex resumed>) = 0 [pid 6140] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6139] mmap(0x200000000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0 [pid 6133] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6140] <... socketpair resumed>0x200000000200) = 0 [pid 6140] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6130] <... futex resumed>) = 0 [pid 6135] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] <... futex resumed>) = 0 [pid 6130] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6132] <... futex resumed>) = 0 [pid 6130] <... futex resumed>) = 1 [pid 6132] sendmmsg(4, [pid 6130] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6134] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6134] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6136] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6136] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6134] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6130] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6130] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6140] <... futex resumed>) = 0 [pid 6130] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] recvmmsg(3, NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6140] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6130] <... futex resumed>) = 0 [pid 6140] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6130] <... futex resumed>) = 0 [pid 6130] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... mremap resumed>) = 0x200000a00000 [pid 6140] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6130] <... futex resumed>) = 0 [pid 6140] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL) = -1 EAGAIN (Resource temporarily unavailable) [pid 6130] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6140] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6130] <... futex resumed>) = 0 [pid 6130] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6140] <... mremap resumed>) = 0x200000a00000 [pid 6140] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6130] <... futex resumed>) = 0 [pid 6140] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] close(3 [pid 6130] close(3 [pid 6132] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6130] <... close resumed>) = 0 [pid 6132] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] close(4 [pid 6132] <... futex resumed>) = 0 [pid 6130] <... close resumed>) = 0 [pid 6132] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] close(5) = -1 EBADF (Bad file descriptor) [pid 6130] close(6) = -1 EBADF (Bad file descriptor) [pid 6130] close(7) = -1 EBADF (Bad file descriptor) [pid 6130] close(8) = -1 EBADF (Bad file descriptor) [pid 6130] close(9) = -1 EBADF (Bad file descriptor) [pid 6130] close(10 [pid 6129] <... close resumed>) = 0 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(11) = -1 EBADF (Bad file descriptor) [pid 6130] close(12) = -1 EBADF (Bad file descriptor) [pid 6130] close(13) = -1 EBADF (Bad file descriptor) [pid 6130] close(14) = -1 EBADF (Bad file descriptor) [pid 6130] close(15) = -1 EBADF (Bad file descriptor) [pid 6130] close(16) = -1 EBADF (Bad file descriptor) [pid 6130] close(17) = -1 EBADF (Bad file descriptor) [pid 6130] close(18) = -1 EBADF (Bad file descriptor) [pid 6131] <... sendmmsg resumed>0x200000000000, 1617, 0) = 278 [pid 6130] close(19 [pid 6129] close(4 [pid 6131] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6131] <... futex resumed>) = 0 [pid 6130] close(20 [pid 6129] <... close resumed>) = 0 [pid 6131] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(21 [pid 6129] close(5 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(22 [pid 6129] close(6 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(23 [pid 6129] close(7 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(24 [pid 6129] close(8 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(25 [pid 6129] close(9 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(26 [pid 6129] close(10 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(27 [pid 6129] close(11 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(28 [pid 6129] close(12 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] close(29 [pid 6129] close(13 [pid 6130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6130] exit_group(0 [pid 6129] close(14 [pid 6140] <... futex resumed>) = ? [pid 6132] <... futex resumed>) = ? [pid 6130] <... exit_group resumed>) = ? [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6140] +++ exited with 0 +++ [pid 6132] +++ exited with 0 +++ [pid 6129] close(15) = -1 EBADF (Bad file descriptor) [pid 6129] close(16 [pid 6138] <... mmap resumed>) = 0x200000000000 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6135] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6129] close(17) = -1 EBADF (Bad file descriptor) [pid 6138] <... futex resumed>) = 0 [pid 6135] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6129] close(18 [pid 6138] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] <... mprotect resumed>) = 0 [pid 6129] close(19) = -1 EBADF (Bad file descriptor) [pid 6135] rt_sigprocmask(SIG_BLOCK, ~[], [pid 6129] close(20 [pid 6135] <... rt_sigprocmask resumed>[], 8) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6135] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0} [pid 6129] close(21) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6141 attached [pid 6129] close(22 [pid 6141] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6135] <... clone3 resumed> => {parent_tid=[58]}, 88) = 58 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... rseq resumed>) = 0 [pid 6135] rt_sigprocmask(SIG_SETMASK, [], [pid 6129] close(23 [pid 6141] set_robust_list(0x7fb5e51079a0, 24 [pid 6135] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... set_robust_list resumed>) = 0 [pid 6135] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] close(24 [pid 6141] rt_sigprocmask(SIG_SETMASK, [], [pid 6135] <... futex resumed>) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6135] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6129] close(25 [pid 6141] socketpair(AF_UNIX, SOCK_DGRAM, 0, [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6129] close(26) = -1 EBADF (Bad file descriptor) [pid 6129] close(27 [pid 6141] <... socketpair resumed>0x200000000200) = 0 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] close(28 [pid 6141] <... futex resumed>) = 1 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6141] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] <... futex resumed>) = 0 [pid 6129] close(29 [pid 6135] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6129] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6138] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6129] exit_group(0 [pid 6138] sendmmsg(4, [pid 6135] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6133] <... futex resumed>) = ? [pid 6131] <... futex resumed>) = ? [pid 6129] <... exit_group resumed>) = ? [pid 6133] +++ exited with 0 +++ [pid 6131] +++ exited with 0 +++ [pid 6139] <... mmap resumed>) = 0x200000000000 [pid 6136] <... mmap resumed>) = 0x7fb5e50e7000 [pid 6136] mprotect(0x7fb5e50e8000, 131072, PROT_READ|PROT_WRITE [pid 6139] futex(0x7fb5e51fb3ec, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] <... mprotect resumed>) = 0 [pid 6139] <... futex resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_BLOCK, ~[], [], 8) = 0 [pid 6136] clone3({flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, child_tid=0x7fb5e5107990, parent_tid=0x7fb5e5107990, exit_signal=0, stack=0x7fb5e50e7000, stack_size=0x20300, tls=0x7fb5e51076c0}./strace-static-x86_64: Process 6142 attached [pid 6139] futex(0x7fb5e51fb3e8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6142] rseq(0x7fb5e5107fe0, 0x20, 0, 0x53053053 [pid 6136] <... clone3 resumed> => {parent_tid=[55]}, 88) = 55 [pid 6142] <... rseq resumed>) = 0 [pid 6136] rt_sigprocmask(SIG_SETMASK, [], [pid 6142] set_robust_list(0x7fb5e51079a0, 24 [pid 6136] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6142] <... set_robust_list resumed>) = 0 [pid 6136] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] rt_sigprocmask(SIG_SETMASK, [], [pid 6136] <... futex resumed>) = 0 [pid 6142] <... rt_sigprocmask resumed>NULL, 8) = 0 [pid 6136] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] socketpair(AF_UNIX, SOCK_DGRAM, 0, 0x200000000200) = 0 [pid 6142] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6142] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7fb5e51fb3e8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6139] <... futex resumed>) = 0 [pid 6136] <... futex resumed>) = 1 [pid 6139] sendmmsg(4, [pid 6136] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6135] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6135] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = 0 [pid 6135] <... futex resumed>) = 1 [pid 6141] recvmmsg(3, [pid 6135] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6141] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6141] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6135] <... futex resumed>) = 0 [pid 6141] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6135] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... mremap resumed>) = 0x200000a00000 [pid 6141] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6141] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6135] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6141] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6135] <... futex resumed>) = 0 [pid 6141] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [pid 6136] futex(0x7fb5e51fb3ec, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=0} [pid 6135] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6141] <... mremap resumed>) = 0x200000a00000 [pid 6136] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 6141] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000 [pid 6136] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = 0 [pid 6141] <... futex resumed>) = 1 [pid 6136] <... futex resumed>) = 1 [pid 6135] <... futex resumed>) = 0 [pid 6142] recvmmsg(3, [pid 6141] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... recvmmsg resumed>NULL, 0, MSG_PEEK, NULL) = 0 (Timeout) [pid 6142] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6142] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = 0 [pid 6142] mremap(0x200000000000, 6291458, 6291458, MREMAP_MAYMOVE|MREMAP_FIXED|MREMAP_DONTUNMAP, 0x200000a00000 [pid 6136] futex(0x7fb5e51fb3fc, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6142] <... mremap resumed>) = 0x200000a00000 [pid 6142] futex(0x7fb5e51fb3fc, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 6136] <... futex resumed>) = 0 [pid 6142] futex(0x7fb5e51fb3f8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6136] futex(0x7fb5e51fb3f8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6142] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6136] <... futex resumed>) = 0 [pid 6142] mremap(0x200000000000, 6292992, 2097152, MREMAP_MAYMOVE|MREMAP_FIXED, 0x200000a00000 [ 112.859575][ T6142] [ 112.861957][ T6142] ===================================== [ 112.867525][ T6142] WARNING: bad unlock balance detected! [ 112.873087][ T6142] 6.16.0-rc2-next-20250616-syzkaller #0 Not tainted [ 112.879689][ T6142] ------------------------------------- [ 112.885242][ T6142] syz-executor454/6142 is trying to release lock (&mapping->i_mmap_rwsem) at: [ 112.894118][ T6142] [] move_pgt_entry+0xfa7/0x1170 [ 112.900666][ T6142] but there are no more locks to release! [ 112.906386][ T6142] [ 112.906386][ T6142] other info that might help us debug this: [ 112.914447][ T6142] 1 lock held by syz-executor454/6142: [ 112.919911][ T6142] #0: ffff88805ec38ca0 (&mm->mmap_lock){++++}-{4:4}, at: __se_sys_mremap+0x3c0/0xc60 [ 112.929521][ T6142] [ 112.929521][ T6142] stack backtrace: [ 112.935408][ T6142] CPU: 1 UID: 0 PID: 6142 Comm: syz-executor454 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) [ 112.935424][ T6142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 112.935437][ T6142] Call Trace: [ 112.935445][ T6142] [ 112.935451][ T6142] dump_stack_lvl+0x189/0x250 [ 112.935475][ T6142] ? __pfx_dump_stack_lvl+0x10/0x10 [ 112.935495][ T6142] ? __pfx__printk+0x10/0x10 [ 112.935511][ T6142] ? print_lock_name+0xde/0x100 [ 112.935524][ T6142] ? move_pgt_entry+0xfa7/0x1170 [ 112.935542][ T6142] print_unlock_imbalance_bug+0xdc/0xf0 [ 112.935555][ T6142] lock_release+0x269/0x3e0 [ 112.935573][ T6142] ? move_pgt_entry+0xfa7/0x1170 [ 112.935610][ T6142] up_write+0x2d/0x420 [ 112.935628][ T6142] ? do_raw_spin_unlock+0x122/0x240 [ 112.935645][ T6142] move_pgt_entry+0xfa7/0x1170 [ 112.935666][ T6142] ? alloc_new_pud+0x185/0x310 [ 112.935684][ T6142] move_page_tables+0xcde/0x2940 [ 112.935709][ T6142] ? move_page_tables+0x5ae/0x2940 [ 112.935730][ T6142] ? __pfx_move_page_tables+0x10/0x10 [ 112.935757][ T6142] move_vma+0xd5e/0x2010 [ 112.935795][ T6142] ? __pfx_move_vma+0x10/0x10 [ 112.935813][ T6142] ? arch_get_unmapped_area_topdown+0x251/0xbc0 [ 112.935841][ T6142] ? mm_get_unmapped_area+0xa7/0xd0 [ 112.935854][ T6142] ? shmem_get_unmapped_area+0x2cf/0x910 [ 112.935875][ T6142] ? cap_mmap_addr+0xb0/0x100 [ 112.935891][ T6142] ? bpf_lsm_mmap_addr+0x9/0x20 [ 112.935910][ T6142] ? security_mmap_addr+0x71/0x270 [ 112.935925][ T6142] ? __get_unmapped_area+0x3e4/0x450 [ 112.935947][ T6142] ? vrm_set_new_addr+0x1a7/0x1f0 [ 112.935964][ T6142] mremap_to+0x7e7/0x8b0 [ 112.935984][ T6142] ? __pfx_mremap_to+0x10/0x10 [ 112.936002][ T6142] ? __pfx_down_write_killable+0x10/0x10 [ 112.936031][ T6142] __se_sys_mremap+0x8f5/0xc60 [ 112.936054][ T6142] ? __pfx___se_sys_mremap+0x10/0x10 [ 112.936072][ T6142] ? rcu_is_watching+0x15/0xb0 [ 112.936094][ T6142] ? __x64_sys_mremap+0x20/0xc0 [ 112.936111][ T6142] do_syscall_64+0xfa/0x3b0 [ 112.936131][ T6142] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.936143][ T6142] ? __switch_to_asm+0x39/0x70 [ 112.936156][ T6142] ? clear_bhb_loop+0x60/0xb0 [ 112.936171][ T6142] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 112.936184][ T6142] RIP: 0033:0x7fb5e51708c9 [ 112.936199][ T6142] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 112.936211][ T6142] RSP: 002b:00007fb5e5107218 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 112.936225][ T6142] RAX: ffffffffffffffda RBX: 00007fb5e51fb3f8 RCX: 00007fb5e51708c9 [ 112.936234][ T6142] RDX: 0000000000200000 RSI: 0000000000600600 RDI: 0000200000000000 [ 112.936243][ T6142] RBP: 00007fb5e51fb3f0 R08: 0000200000a00000 R09: 0000000000000000 [ 112.936252][ T6142] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fb5e51c8400 [ 112.936260][ T6142] R13: 0000200000000000 R14: b635773f06ebbeee R15: 0000200000000204 [ 112.936275][ T6142] [ 113.223802][ T6142] ------------[ cut here ]------------ [ 113.229319][ T6142] DEBUG_RWSEMS_WARN_ON((rwsem_owner(sem) != current) && !rwsem_test_oflags(sem, RWSEM_NONSPINNABLE)): count = 0x0, magic = 0xffff8880274c8bb0, owner = 0x0, curr 0xffff888025428000, list empty [ 113.248257][ T6142] WARNING: kernel/locking/rwsem.c:1368 at up_write+0x3a2/0x420, CPU#0: syz-executor454/6142 [ 113.258823][ T6142] Modules linked in: [ 113.262722][ T6142] CPU: 0 UID: 0 PID: 6142 Comm: syz-executor454 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) [ 113.274649][ T6142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.284871][ T6142] RIP: 0010:up_write+0x3a2/0x420 [ 113.289998][ T6142] Code: d0 48 c7 c7 60 ee 8a 8b 48 c7 c6 80 f0 8a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 23 3b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 34 81 a1 8f 80 e1 07 80 c1 03 [ 113.309824][ T6142] RSP: 0018:ffffc900047c7498 EFLAGS: 00010282 [ 113.315903][ T6142] RAX: b9dfeedd44e81000 RBX: ffff8880274c8bb0 RCX: ffff888025428000 [ 113.324063][ T6142] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 113.332248][ T6142] RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 [ 113.340342][ T6142] R10: dffffc0000000000 R11: fffffbfff1bfaa14 R12: 0000000000000000 [ 113.348352][ T6142] R13: ffff8880274c8c08 R14: ffff8880274c8bb0 R15: 1ffff11004e99177 [ 113.356318][ T6142] FS: 00007fb5e51076c0(0000) GS:ffff888125c40000(0000) knlGS:0000000000000000 [ 113.365279][ T6142] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 113.371923][ T6142] CR2: 0000200000004000 CR3: 0000000030ec8000 CR4: 00000000003526f0 [ 113.379946][ T6142] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 113.387966][ T6142] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 113.395948][ T6142] Call Trace: [ 113.399260][ T6142] [ 113.402209][ T6142] move_pgt_entry+0xfa7/0x1170 [ 113.407019][ T6142] ? alloc_new_pud+0x185/0x310 [ 113.411805][ T6142] move_page_tables+0xcde/0x2940 [ 113.416886][ T6142] ? move_page_tables+0x5ae/0x2940 [ 113.422025][ T6142] ? __pfx_move_page_tables+0x10/0x10 [ 113.427452][ T6142] move_vma+0xd5e/0x2010 [ 113.431724][ T6142] ? __pfx_move_vma+0x10/0x10 [ 113.436965][ T6142] ? arch_get_unmapped_area_topdown+0x251/0xbc0 [ 113.443234][ T6142] ? mm_get_unmapped_area+0xa7/0xd0 [ 113.448465][ T6142] ? shmem_get_unmapped_area+0x2cf/0x910 [ 113.454124][ T6142] ? cap_mmap_addr+0xb0/0x100 [ 113.458842][ T6142] ? bpf_lsm_mmap_addr+0x9/0x20 [ 113.463713][ T6142] ? security_mmap_addr+0x71/0x270 [ 113.468868][ T6142] ? __get_unmapped_area+0x3e4/0x450 [ 113.474181][ T6142] ? vrm_set_new_addr+0x1a7/0x1f0 [ 113.479230][ T6142] mremap_to+0x7e7/0x8b0 [ 113.483488][ T6142] ? __pfx_mremap_to+0x10/0x10 [ 113.488295][ T6142] ? __pfx_down_write_killable+0x10/0x10 [ 113.493958][ T6142] __se_sys_mremap+0x8f5/0xc60 [ 113.498773][ T6142] ? __pfx___se_sys_mremap+0x10/0x10 [ 113.504081][ T6142] ? rcu_is_watching+0x15/0xb0 [ 113.508899][ T6142] ? __x64_sys_mremap+0x20/0xc0 [ 113.513880][ T6142] do_syscall_64+0xfa/0x3b0 [ 113.518473][ T6142] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.524571][ T6142] ? __switch_to_asm+0x39/0x70 [ 113.529371][ T6142] ? clear_bhb_loop+0x60/0xb0 [ 113.534056][ T6142] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.539987][ T6142] RIP: 0033:0x7fb5e51708c9 [ 113.544413][ T6142] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 113.564055][ T6142] RSP: 002b:00007fb5e5107218 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 113.572507][ T6142] RAX: ffffffffffffffda RBX: 00007fb5e51fb3f8 RCX: 00007fb5e51708c9 [ 113.580522][ T6142] RDX: 0000000000200000 RSI: 0000000000600600 RDI: 0000200000000000 [ 113.588536][ T6142] RBP: 00007fb5e51fb3f0 R08: 0000200000a00000 R09: 0000000000000000 [ 113.596511][ T6142] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fb5e51c8400 [ 113.604521][ T6142] R13: 0000200000000000 R14: b635773f06ebbeee R15: 0000200000000204 [ 113.612549][ T6142] [ 113.615569][ T6142] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 113.622840][ T6142] CPU: 0 UID: 0 PID: 6142 Comm: syz-executor454 Not tainted 6.16.0-rc2-next-20250616-syzkaller #0 PREEMPT(full) [ 113.634717][ T6142] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 113.644776][ T6142] Call Trace: [ 113.648053][ T6142] [ 113.650974][ T6142] dump_stack_lvl+0x99/0x250 [ 113.655581][ T6142] ? __asan_memcpy+0x40/0x70 [ 113.660197][ T6142] ? __pfx_dump_stack_lvl+0x10/0x10 [ 113.665398][ T6142] ? __pfx__printk+0x10/0x10 [ 113.670007][ T6142] panic+0x2db/0x790 [ 113.673928][ T6142] ? __pfx_panic+0x10/0x10 [ 113.678364][ T6142] __warn+0x334/0x4c0 [ 113.682382][ T6142] ? up_write+0x3a2/0x420 [ 113.686716][ T6142] ? up_write+0x3a2/0x420 [ 113.691046][ T6142] report_bug+0x2be/0x4f0 [ 113.695379][ T6142] ? up_write+0x3a2/0x420 [ 113.699704][ T6142] ? up_write+0x3a2/0x420 [ 113.704028][ T6142] ? up_write+0x3a4/0x420 [ 113.708353][ T6142] handle_bug+0x84/0x160 [ 113.712620][ T6142] exc_invalid_op+0x1a/0x50 [ 113.717149][ T6142] asm_exc_invalid_op+0x1a/0x20 [ 113.722008][ T6142] RIP: 0010:up_write+0x3a2/0x420 [ 113.726954][ T6142] Code: d0 48 c7 c7 60 ee 8a 8b 48 c7 c6 80 f0 8a 8b 48 8b 14 24 4c 89 f1 4d 89 e0 4c 8b 4c 24 08 41 52 e8 23 3b e6 ff 48 83 c4 08 90 <0f> 0b 90 90 e9 6d fd ff ff 48 c7 c1 34 81 a1 8f 80 e1 07 80 c1 03 [ 113.746564][ T6142] RSP: 0018:ffffc900047c7498 EFLAGS: 00010282 [ 113.752637][ T6142] RAX: b9dfeedd44e81000 RBX: ffff8880274c8bb0 RCX: ffff888025428000 [ 113.760612][ T6142] RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000000000002 [ 113.768583][ T6142] RBP: dffffc0000000000 R08: 0000000000000003 R09: 0000000000000004 [ 113.776565][ T6142] R10: dffffc0000000000 R11: fffffbfff1bfaa14 R12: 0000000000000000 [ 113.784544][ T6142] R13: ffff8880274c8c08 R14: ffff8880274c8bb0 R15: 1ffff11004e99177 [ 113.792556][ T6142] move_pgt_entry+0xfa7/0x1170 [ 113.797335][ T6142] ? alloc_new_pud+0x185/0x310 [ 113.802113][ T6142] move_page_tables+0xcde/0x2940 [ 113.807066][ T6142] ? move_page_tables+0x5ae/0x2940 [ 113.812189][ T6142] ? __pfx_move_page_tables+0x10/0x10 [ 113.817586][ T6142] move_vma+0xd5e/0x2010 [ 113.821852][ T6142] ? __pfx_move_vma+0x10/0x10 [ 113.826536][ T6142] ? arch_get_unmapped_area_topdown+0x251/0xbc0 [ 113.832796][ T6142] ? mm_get_unmapped_area+0xa7/0xd0 [ 113.837998][ T6142] ? shmem_get_unmapped_area+0x2cf/0x910 [ 113.843639][ T6142] ? cap_mmap_addr+0xb0/0x100 [ 113.848317][ T6142] ? bpf_lsm_mmap_addr+0x9/0x20 [ 113.853179][ T6142] ? security_mmap_addr+0x71/0x270 [ 113.858291][ T6142] ? __get_unmapped_area+0x3e4/0x450 [ 113.863586][ T6142] ? vrm_set_new_addr+0x1a7/0x1f0 [ 113.868620][ T6142] mremap_to+0x7e7/0x8b0 [ 113.872871][ T6142] ? __pfx_mremap_to+0x10/0x10 [ 113.877652][ T6142] ? __pfx_down_write_killable+0x10/0x10 [ 113.883308][ T6142] __se_sys_mremap+0x8f5/0xc60 [ 113.888086][ T6142] ? __pfx___se_sys_mremap+0x10/0x10 [ 113.893381][ T6142] ? rcu_is_watching+0x15/0xb0 [ 113.898157][ T6142] ? __x64_sys_mremap+0x20/0xc0 [ 113.903010][ T6142] do_syscall_64+0xfa/0x3b0 [ 113.907523][ T6142] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.913588][ T6142] ? __switch_to_asm+0x39/0x70 [ 113.918350][ T6142] ? clear_bhb_loop+0x60/0xb0 [ 113.923028][ T6142] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 113.928921][ T6142] RIP: 0033:0x7fb5e51708c9 [ 113.933334][ T6142] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 f1 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 b0 ff ff ff f7 d8 64 89 01 48 [ 113.952943][ T6142] RSP: 002b:00007fb5e5107218 EFLAGS: 00000246 ORIG_RAX: 0000000000000019 [ 113.961361][ T6142] RAX: ffffffffffffffda RBX: 00007fb5e51fb3f8 RCX: 00007fb5e51708c9 [ 113.969347][ T6142] RDX: 0000000000200000 RSI: 0000000000600600 RDI: 0000200000000000 [ 113.977326][ T6142] RBP: 00007fb5e51fb3f0 R08: 0000200000a00000 R09: 0000000000000000 [ 113.985292][ T6142] R10: 0000000000000003 R11: 0000000000000246 R12: 00007fb5e51c8400 [ 113.993269][ T6142] R13: 0000200000000000 R14: b635773f06ebbeee R15: 0000200000000204 [ 114.001260][ T6142] [ 114.004633][ T6142] Kernel Offset: disabled [ 114.008961][ T6142] Rebooting in 86400 seconds..