./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor1445572109 <...> > [pid 6647] close(7 [pid 6646] close(9 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] close(3 [pid 6652] set_robust_list(0x7fa7c8c309e0, 24 [pid 6650] <... write resumed>) = 4 [pid 6648] <... clone resumed>, parent_tid=[497], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 497 [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3483] <... close resumed>) = 0 [pid 6652] <... set_robust_list resumed>) = 0 [pid 6650] close(3 [pid 6648] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6647] close(8 [pid 6646] close(10 [pid 3484] <... close resumed>) = 0 [pid 3483] rmdir("./240" [pid 6652] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6650] <... close resumed>) = 0 [pid 6648] <... futex resumed>) = 0 [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./244" [pid 3483] <... rmdir resumed>) = 0 [pid 6652] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] read(200, [pid 6648] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6647] close(9 [pid 6646] close(11 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] mkdir("./241", 0777 [pid 6652] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6648] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./245", 0777 [pid 3483] <... mkdir resumed>) = 0 [pid 6652] <... futex resumed>) = 0 [pid 6650] symlink("/dev/binderfs", "./binderfs" [pid 6648] close(3 [pid 6647] close(10 [pid 6646] close(12 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6652] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6650] <... symlink resumed>) = 0 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6646] close(13./strace-static-x86_64: Process 6653 attached [pid 6650] <... futex resumed>) = 0 [pid 6648] close(4 [pid 6647] close(11 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6653] set_robust_list(0x5555562645e0, 24 [pid 6650] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 484 ./strace-static-x86_64: Process 6654 attached [pid 6653] <... set_robust_list resumed>) = 0 [pid 6650] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6648] close(5 [pid 6647] close(12 [pid 6646] close(14 [pid 6654] set_robust_list(0x5555562645e0, 24 [pid 6653] chdir("./241" [pid 6650] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 492 [pid 6654] <... set_robust_list resumed>) = 0 [pid 6653] <... chdir resumed>) = 0 [pid 6650] <... mprotect resumed>) = 0 [pid 6648] close(6 [pid 6647] close(13 [pid 6646] close(15 [pid 6654] chdir("./245" [pid 6653] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6650] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6655 attached [pid 6654] <... chdir resumed>) = 0 [pid 6653] <... prctl resumed>) = 0 [pid 6648] close(7 [pid 6647] close(14 [pid 6646] close(16 [pid 6655] set_robust_list(0x7fa7c8c309e0, 24 [pid 6654] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6653] setpgid(0, 0 [pid 6650] <... clone resumed>, parent_tid=[473], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 473 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6655] <... set_robust_list resumed>) = 0 [pid 6654] <... prctl resumed>) = 0 [pid 6653] <... setpgid resumed>) = 0 [pid 6650] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6648] close(8 [pid 6647] close(15 [pid 6646] close(17 [pid 6655] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6654] setpgid(0, 0 [pid 6653] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6650] <... futex resumed>) = 0 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6655] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... setpgid resumed>) = 0 [pid 6653] <... symlink resumed>) = 0 [pid 6650] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6648] close(9 [pid 6647] close(16 [pid 6646] close(18 [pid 6655] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6653] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6655] <... futex resumed>) = 1 [pid 6654] <... symlink resumed>) = 0 [pid 6653] <... symlink resumed>) = 0 [pid 6650] <... futex resumed>) = 0 [pid 6648] close(10 [pid 6647] close(17 [pid 6646] close(19 [pid 6655] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6653] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6650] close(3 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... symlink resumed>) = 0 [pid 6653] <... symlink resumed>) = 0 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(11 [pid 6647] close(18 [pid 6654] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6653] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6650] close(4 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(20 [pid 6654] <... symlink resumed>) = 0 [pid 6653] <... openat resumed>) = 3 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(12 [pid 6647] close(19 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6653] write(3, "1000", 4 [pid 6650] close(5 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(21 [pid 6654] <... openat resumed>) = 3 [pid 6648] close(13 [pid 6647] close(20 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] write(3, "1000", 4 [pid 6653] <... write resumed>) = 4 [pid 6650] close(6 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(22 [pid 6654] <... write resumed>) = 4 [pid 6653] close(3 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(14 [pid 6647] close(21 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] close(3 [pid 6653] <... close resumed>) = 0 [pid 6650] close(7 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(23 [pid 6654] <... close resumed>) = 0 [pid 6653] read(200, [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(15 [pid 6647] close(22 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] read(200, [pid 6653] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6650] close(8 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(24 [pid 6654] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] symlink("/dev/binderfs", "./binderfs" [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(16 [pid 6647] close(23 [pid 6654] symlink("/dev/binderfs", "./binderfs" [pid 6653] <... symlink resumed>) = 0 [pid 6650] close(9 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... symlink resumed>) = 0 [pid 6653] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(25 [pid 6654] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = 0 [pid 6650] close(10 [pid 6648] close(17 [pid 6647] close(24 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... futex resumed>) = 0 [pid 6653] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(26 [pid 6654] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6653] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6650] close(11 [pid 6648] close(18 [pid 6647] close(25 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6653] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(27 [pid 6654] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6653] <... mprotect resumed>) = 0 [pid 6650] close(12 [pid 6648] close(19 [pid 6647] close(26 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... mprotect resumed>) = 0 [pid 6653] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(28./strace-static-x86_64: Process 6656 attached [pid 6654] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6650] close(13 [pid 6648] close(20 [pid 6647] close(27 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6657 attached [pid 6656] set_robust_list(0x7fa7c8c309e0, 24 [pid 6653] <... clone resumed>, parent_tid=[485], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 485 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] close(29 [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6657] set_robust_list(0x7fa7c8c309e0, 24 [pid 6656] <... set_robust_list resumed>) = 0 [pid 6654] <... clone resumed>, parent_tid=[493], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 493 [pid 6653] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6650] close(14 [pid 6646] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6657] <... set_robust_list resumed>) = 0 [pid 6656] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6654] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6653] <... futex resumed>) = 0 [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(21 [pid 6647] close(28 [pid 6646] exit_group(0 [pid 6657] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6656] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... futex resumed>) = 0 [pid 6653] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6650] close(15 [pid 6649] <... futex resumed>) = ? [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6646] <... exit_group resumed>) = ? [pid 6657] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6656] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6654] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6653] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6649] +++ exited with 0 +++ [pid 6648] close(22 [pid 6647] close(29 [pid 6646] +++ exited with 0 +++ [pid 6657] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6656] <... futex resumed>) = 0 [pid 6654] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6653] close(3 [pid 6650] close(16 [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6657] <... futex resumed>) = 0 [pid 6656] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] close(3 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] close(23 [pid 6647] exit_group(0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6657] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(4 [pid 6650] close(17 [pid 3486] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] close(4 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6651] <... futex resumed>) = ? [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6647] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(5 [pid 6651] +++ exited with 0 +++ [pid 6650] close(18 [pid 6648] close(24 [pid 3486] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6654] close(5 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(6 [pid 6650] close(19 [pid 6648] close(25 [pid 6647] +++ exited with 0 +++ [pid 3486] fstat(3, [pid 6654] close(6 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(7 [pid 6650] close(20 [pid 6648] close(26 [pid 3486] getdents64(3, [pid 6654] close(7 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(8 [pid 6650] close(21 [pid 6648] close(27 [pid 3486] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] close(8 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(9 [pid 6650] close(22 [pid 6648] close(28 [pid 3487] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./251/binderfs", [pid 6654] close(9 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(10 [pid 6650] close(23 [pid 6648] close(29 [pid 3487] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] unlink("./251/binderfs" [pid 6654] close(10 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6648] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 6654] close(11 [pid 6653] close(11 [pid 6650] close(24 [pid 6648] exit_group(0 [pid 3487] fstat(3, [pid 3486] <... unlink resumed>) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] close(12 [pid 6653] close(12 [pid 6652] <... futex resumed>) = ? [pid 6650] close(25 [pid 6648] <... exit_group resumed>) = ? [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6652] +++ exited with 0 +++ [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6654] close(13 [pid 6653] close(13 [pid 6650] close(26 [pid 3487] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6648] +++ exited with 0 +++ [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] lstat("./251/cgroup", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6654] close(14 [pid 6653] close(14 [pid 6650] close(27 [pid 3487] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./251/cgroup" [pid 6654] close(15 [pid 6653] close(15 [pid 6650] close(28 [pid 3487] lstat("./253/binderfs", [pid 3485] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(16 [pid 6650] close(29 [pid 3487] unlink("./253/binderfs" [pid 3486] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 6654] close(16 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(17 [pid 6650] exit_group(0 [pid 3487] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./251/cgroup.net", [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6655] <... futex resumed>) = ? [pid 6654] close(17 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6650] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] getdents64(3, [pid 3487] lstat("./253/cgroup", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(18 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] unlink("./251/cgroup.net" [pid 3485] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] close(18 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./253/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6655] +++ exited with 0 +++ [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(19 [pid 6650] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./247/binderfs", [pid 6654] close(19 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(20 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./247/binderfs" [pid 6654] close(20 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./253/cgroup.net", [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=472, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(21 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] lstat("./251/cgroup.cpu", [pid 3485] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] close(21 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./253/cgroup.net" [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(22 [pid 3487] <... unlink resumed>) = 0 [pid 3486] unlink("./251/cgroup.cpu" [pid 3485] lstat("./247/cgroup", [pid 3482] <... restart_syscall resumed>) = 0 [pid 6654] close(22 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./247/cgroup" [pid 6654] close(23 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./253/cgroup.cpu", [pid 3486] getdents64(3, [pid 3485] <... unlink resumed>) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(24 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] close(24 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./253/cgroup.cpu" [pid 3486] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(25 [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./247/cgroup.net", [pid 3482] umount2("./235", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6654] close(25 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./247/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6654] close(26 [pid 6653] close(26 [pid 3487] close(3 [pid 3486] rmdir("./251" [pid 3485] <... unlink resumed>) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./235", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6654] close(27 [pid 3487] rmdir("./253" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] lstat("./247/cgroup.cpu", [pid 3482] <... openat resumed>) = 3 [pid 6654] close(28 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./254", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(27 [pid 3487] <... mkdir resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] unlink("./247/cgroup.cpu" [pid 3482] fstat(3, [pid 6654] close(29 [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] mkdir("./252", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 6654] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6653] close(28 [pid 3485] getdents64(3, [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6658 attached [pid 6654] exit_group(0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 510 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6657] <... futex resumed>) = ? [pid 6654] <... exit_group resumed>) = ? [pid 3485] close(3 [pid 6658] set_robust_list(0x5555562645e0, 24 [pid 6657] +++ exited with 0 +++ [pid 6654] +++ exited with 0 +++ [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3482] getdents64(3, [pid 6658] <... set_robust_list resumed>) = 0 [pid 6653] close(29 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] rmdir("./247"./strace-static-x86_64: Process 6659 attached [pid 6658] chdir("./254" [pid 6653] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6659] set_robust_list(0x5555562645e0, 24 [pid 6658] <... chdir resumed>) = 0 [pid 6653] exit_group(0 [pid 3485] mkdir("./248", 0777 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 506 [pid 3482] umount2("./235/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6659] <... set_robust_list resumed>) = 0 [pid 6658] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6656] <... futex resumed>) = ? [pid 6653] <... exit_group resumed>) = ? [pid 3485] <... mkdir resumed>) = 0 [pid 3484] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6659] chdir("./252" [pid 6656] +++ exited with 0 +++ [pid 6658] <... prctl resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6660 attached [pid 6659] <... chdir resumed>) = 0 [pid 6658] setpgid(0, 0 [pid 6653] +++ exited with 0 +++ [pid 3484] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] lstat("./235/binderfs", [pid 6660] set_robust_list(0x5555562645e0, 24 [pid 6659] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6658] <... setpgid resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 498 [pid 3484] <... openat resumed>) = 3 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6660] <... set_robust_list resumed>) = 0 [pid 6659] <... prctl resumed>) = 0 [pid 6658] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3484] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6660] chdir("./248" [pid 6659] setpgid(0, 0 [pid 6658] <... symlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] unlink("./235/binderfs" [pid 6660] <... chdir resumed>) = 0 [pid 6659] <... setpgid resumed>) = 0 [pid 6658] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3484] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 6660] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6659] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6658] <... symlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6660] <... prctl resumed>) = 0 [pid 6659] <... symlink resumed>) = 0 [pid 6658] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3482] umount2("./235/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6660] setpgid(0, 0 [pid 6659] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3484] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6660] <... setpgid resumed>) = 0 [pid 6659] <... symlink resumed>) = 0 [pid 6658] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6660] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6658] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] lstat("./245/binderfs", [pid 3483] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] lstat("./235/cgroup", [pid 6659] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6660] <... symlink resumed>) = 0 [pid 6659] <... symlink resumed>) = 0 [pid 6658] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6660] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6659] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6658] write(3, "1000", 4 [pid 3484] unlink("./245/binderfs" [pid 3483] fstat(3, [pid 6660] <... symlink resumed>) = 0 [pid 6659] <... openat resumed>) = 3 [pid 6658] <... write resumed>) = 4 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] unlink("./235/cgroup" [pid 6659] write(3, "1000", 4 [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 6659] <... write resumed>) = 4 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6659] close(3 [pid 3483] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6659] <... close resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6659] read(200, [pid 3483] lstat("./241/binderfs", [pid 6659] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6659] symlink("/dev/binderfs", "./binderfs" [pid 3483] unlink("./241/binderfs" [pid 6660] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6659] <... symlink resumed>) = 0 [pid 6658] close(3 [pid 3484] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6659] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6660] <... symlink resumed>) = 0 [pid 6659] <... futex resumed>) = 0 [pid 6658] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./235/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6660] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6659] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6658] read(200, [pid 3484] lstat("./245/cgroup", [pid 3483] lstat("./241/cgroup", [pid 6659] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6659] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3483] unlink("./241/cgroup" [pid 6659] <... mprotect resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6659] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6658] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6661 attached [pid 6660] <... openat resumed>) = 3 [pid 6658] symlink("/dev/binderfs", "./binderfs" [pid 3484] unlink("./245/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./235/cgroup.net", [pid 6661] set_robust_list(0x7fa7c8c309e0, 24 [pid 6660] write(3, "1000", 4 [pid 6659] <... clone resumed>, parent_tid=[507], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 507 [pid 3483] lstat("./241/cgroup.net", [pid 6661] <... set_robust_list resumed>) = 0 [pid 6659] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6658] <... symlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6661] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6659] <... futex resumed>) = 0 [pid 6660] <... write resumed>) = 4 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./241/cgroup.net" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6661] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] close(3 [pid 6659] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6658] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 6661] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./235/cgroup.net" [pid 6661] <... futex resumed>) = 0 [pid 6659] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6661] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./241/cgroup.cpu", [pid 6660] <... close resumed>) = 0 [pid 6659] close(4 [pid 6658] <... futex resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6660] read(200, [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] lstat("./245/cgroup.net", [pid 3483] unlink("./241/cgroup.cpu" [pid 6660] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] close(5 [pid 6658] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./235/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6660] symlink("/dev/binderfs", "./binderfs" [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] unlink("./245/cgroup.net" [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6660] <... symlink resumed>) = 0 [pid 6659] close(6 [pid 6658] <... mprotect resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./235/cgroup.cpu", [pid 6660] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3484] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6662 attached [pid 6660] <... futex resumed>) = 0 [pid 6659] close(7 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 3482] unlink("./235/cgroup.cpu" [pid 6662] set_robust_list(0x7fa7c8c309e0, 24 [pid 6660] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... clone resumed>, parent_tid=[511], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 511 [pid 3484] lstat("./245/cgroup.cpu", [pid 3483] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6662] <... set_robust_list resumed>) = 0 [pid 6660] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6659] close(8 [pid 6658] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] rmdir("./241" [pid 3482] getdents64(3, [pid 6662] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6660] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... futex resumed>) = 0 [pid 3484] unlink("./245/cgroup.cpu" [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6662] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] <... mprotect resumed>) = 0 [pid 6659] close(9 [pid 6658] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] close(3 [pid 6662] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] getdents64(3, [pid 3483] mkdir("./242", 0777 [pid 3482] <... close resumed>) = 0 ./strace-static-x86_64: Process 6663 attached [pid 6662] <... futex resumed>) = 0 [pid 6659] close(10 [pid 6658] close(3 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] rmdir("./235" [pid 6663] set_robust_list(0x7fa7c8c309e0, 24 [pid 6662] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] <... clone resumed>, parent_tid=[499], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 499 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6663] <... set_robust_list resumed>) = 0 [pid 6660] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6659] close(11 [pid 6658] close(4 [pid 3484] <... close resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] mkdir("./236", 0777./strace-static-x86_64: Process 6664 attached [pid 6663] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6660] <... futex resumed>) = 0 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./245" [pid 3482] <... mkdir resumed>) = 0 [pid 6664] set_robust_list(0x5555562645e0, 24 [pid 6663] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6659] close(12 [pid 6658] close(5 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 486 ./strace-static-x86_64: Process 6665 attached [pid 6664] <... set_robust_list resumed>) = 0 [pid 6663] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./246", 0777 [pid 6665] set_robust_list(0x5555562645e0, 24 [pid 6664] chdir("./242" [pid 6663] <... futex resumed>) = 0 [pid 6660] close(3 [pid 6659] close(13 [pid 6658] close(6 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 474 [pid 6665] <... set_robust_list resumed>) = 0 [pid 6664] <... chdir resumed>) = 0 [pid 6663] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6666 attached [pid 6665] chdir("./236" [pid 6664] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6660] close(4 [pid 6659] close(14 [pid 6658] close(7 [pid 6666] set_robust_list(0x5555562645e0, 24 [pid 6665] <... chdir resumed>) = 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 494 [pid 6664] <... prctl resumed>) = 0 [pid 6666] <... set_robust_list resumed>) = 0 [pid 6665] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6660] close(5 [pid 6659] close(15 [pid 6658] close(8 [pid 6666] chdir("./246" [pid 6665] <... prctl resumed>) = 0 [pid 6664] setpgid(0, 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... chdir resumed>) = 0 [pid 6665] setpgid(0, 0 [pid 6664] <... setpgid resumed>) = 0 [pid 6660] close(6 [pid 6659] close(16 [pid 6658] close(9 [pid 6666] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6665] <... setpgid resumed>) = 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6666] <... prctl resumed>) = 0 [pid 6665] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6660] close(7 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(10 [pid 6666] setpgid(0, 0 [pid 6665] <... symlink resumed>) = 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(17 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... setpgid resumed>) = 0 [pid 6665] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6664] <... symlink resumed>) = 0 [pid 6660] close(8 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(11 [pid 6666] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6665] <... symlink resumed>) = 0 [pid 6664] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(18 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... symlink resumed>) = 0 [pid 6665] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6660] close(9 [pid 6658] close(12 [pid 6666] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6665] <... symlink resumed>) = 0 [pid 6664] <... symlink resumed>) = 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... symlink resumed>) = 0 [pid 6665] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6664] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6660] close(10 [pid 6659] close(19 [pid 6658] close(13 [pid 6666] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6665] <... openat resumed>) = 3 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... symlink resumed>) = 0 [pid 6665] write(3, "1000", 4 [pid 6664] <... symlink resumed>) = 0 [pid 6660] close(11 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(14 [pid 6666] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6665] <... write resumed>) = 4 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(20 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6666] <... openat resumed>) = 3 [pid 6665] close(3 [pid 6660] close(12 [pid 6658] close(15 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] write(3, "1000", 4 [pid 6665] <... close resumed>) = 0 [pid 6664] <... openat resumed>) = 3 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(21 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... write resumed>) = 4 [pid 6665] read(200, [pid 6664] write(3, "1000", 4 [pid 6660] close(13 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(16 [pid 6666] close(3 [pid 6665] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6664] <... write resumed>) = 4 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(22 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... close resumed>) = 0 [pid 6665] symlink("/dev/binderfs", "./binderfs" [pid 6664] close(3 [pid 6660] close(14 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(17 [pid 6666] read(200, [pid 6665] <... symlink resumed>) = 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] <... close resumed>) = 0 [pid 6659] close(23 [pid 6666] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] close(15 [pid 6658] close(18 [pid 6664] read(200, [pid 6666] symlink("/dev/binderfs", "./binderfs" [pid 6665] <... futex resumed>) = 0 [pid 6664] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... symlink resumed>) = 0 [pid 6665] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6664] symlink("/dev/binderfs", "./binderfs" [pid 6660] close(16 [pid 6659] close(24 [pid 6658] close(19 [pid 6666] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6665] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... futex resumed>) = 0 [pid 6665] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6664] <... symlink resumed>) = 0 [pid 6660] close(17 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(20 [pid 6666] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6665] <... mprotect resumed>) = 0 [pid 6664] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(25 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6665] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6664] <... futex resumed>) = 0 [pid 6660] close(18 [pid 6658] close(21 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6667 attached [pid 6666] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6664] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] set_robust_list(0x7fa7c8c309e0, 24 [pid 6666] <... mprotect resumed>) = 0 [pid 6665] <... clone resumed>, parent_tid=[475], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 475 [pid 6664] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6660] close(19 [pid 6659] close(26 [pid 6658] close(22 [pid 6667] <... set_robust_list resumed>) = 0 [pid 6666] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6665] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6664] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6668 attached [pid 6667] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6665] <... futex resumed>) = 0 [pid 6664] <... mprotect resumed>) = 0 [pid 6660] close(20 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(23 [pid 6668] set_robust_list(0x7fa7c8c309e0, 24 [pid 6667] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... clone resumed>, parent_tid=[495], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 495 [pid 6665] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6664] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(27 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6669 attached [pid 6668] <... set_robust_list resumed>) = 0 [pid 6667] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] close(21 [pid 6658] close(24 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6669] set_robust_list(0x7fa7c8c309e0, 24 [pid 6668] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6667] <... futex resumed>) = 1 [pid 6666] <... futex resumed>) = 0 [pid 6665] <... futex resumed>) = 0 [pid 6664] <... clone resumed>, parent_tid=[487], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 487 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] close(28 [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6669] <... set_robust_list resumed>) = 0 [pid 6668] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6667] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6665] close(3 [pid 6664] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6660] close(22 [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] close(25 [pid 6669] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6668] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6666] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] <... futex resumed>) = 0 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6669] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6668] <... futex resumed>) = 0 [pid 6666] close(3 [pid 6665] close(4 [pid 6664] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6660] close(23 [pid 6659] close(29 [pid 6658] close(26 [pid 6669] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6668] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6669] <... futex resumed>) = 1 [pid 6666] close(4 [pid 6665] close(5 [pid 6664] <... futex resumed>) = 0 [pid 6660] close(24 [pid 6659] exit_group(0 [pid 6658] close(27 [pid 6669] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(3 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6659] <... exit_group resumed>) = ? [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6661] <... futex resumed>) = ? [pid 6666] close(5 [pid 6665] close(6 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6661] +++ exited with 0 +++ [pid 6660] close(25 [pid 6659] +++ exited with 0 +++ [pid 6658] close(28 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(4 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6666] close(6 [pid 6665] close(7 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] close(26 [pid 6658] close(29 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(5 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] close(7 [pid 6665] close(8 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(6 [pid 6660] close(27 [pid 6658] exit_group(0 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] close(8 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6658] <... exit_group resumed>) = ? [pid 3486] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(9 [pid 6664] close(7 [pid 6662] <... futex resumed>) = ? [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(8) = -1 EBADF (Bad file descriptor) [pid 6664] close(9) = -1 EBADF (Bad file descriptor) [pid 6660] close(28 [pid 6664] close(10 [pid 6662] +++ exited with 0 +++ [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(11) = -1 EBADF (Bad file descriptor) [pid 6664] close(12) = -1 EBADF (Bad file descriptor) [pid 6664] close(13) = -1 EBADF (Bad file descriptor) [pid 6664] close(14 [pid 6658] +++ exited with 0 +++ [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6666] close(9 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(15 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(10 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] close(29 [pid 3486] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6666] close(10 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(16 [pid 6660] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... openat resumed>) = 3 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(11 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6660] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] fstat(3, [pid 6666] close(11 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(17 [pid 6663] <... futex resumed>) = ? [pid 6660] <... exit_group resumed>) = ? [pid 3487] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(12 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6663] +++ exited with 0 +++ [pid 6660] +++ exited with 0 +++ [pid 3487] <... openat resumed>) = 3 [pid 3486] getdents64(3, [pid 6666] close(12 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(18 [pid 3487] fstat(3, [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(13 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6666] close(13 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(19 [pid 3487] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(14 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] lstat("./252/binderfs", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6666] close(14 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(20 [pid 3487] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(15 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./252/binderfs" [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 6666] close(15 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(21 [pid 3487] lstat("./254/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(16 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... restart_syscall resumed>) = 0 [pid 6666] close(16 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(22 [pid 3487] unlink("./254/binderfs" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(17 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./252/cgroup", [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(23 [pid 3487] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6665] close(18 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./252/cgroup" [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(24 [pid 3487] lstat("./254/cgroup", [pid 3486] <... unlink resumed>) = 0 [pid 6665] close(19 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6666] close(17 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(25 [pid 3487] unlink("./254/cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(20 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] close(18 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(26 [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./252/cgroup.net", [pid 3485] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(21 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6666] close(19 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./252/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(22 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./254/cgroup.net", [pid 3486] <... unlink resumed>) = 0 [pid 6666] close(20 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(28 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(23 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./254/cgroup.net" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6666] close(21 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./252/cgroup.cpu", [pid 3485] getdents64(3, [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(24 [pid 6664] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6666] close(22 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./252/cgroup.cpu" [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6669] <... futex resumed>) = ? [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(25 [pid 6664] <... exit_group resumed>) = ? [pid 3487] lstat("./254/cgroup.cpu", [pid 3486] <... unlink resumed>) = 0 [pid 6669] +++ exited with 0 +++ [pid 6666] close(23 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6664] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(26 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] unlink("./254/cgroup.cpu" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6666] close(24 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] close(3 [pid 3485] lstat("./248/binderfs", [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(27 [pid 3487] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6666] close(25 [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./248/binderfs" [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] close(28 [pid 3487] close(3 [pid 3486] rmdir("./252" [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6666] close(26 [pid 3485] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6666] close(27 [pid 6665] close(29 [pid 3487] rmdir("./254" [pid 3486] mkdir("./253", 0777 [pid 3485] lstat("./248/cgroup", [pid 3483] <... openat resumed>) = 3 [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] fstat(3, [pid 6666] close(28 [pid 3485] unlink("./248/cgroup" [pid 6665] exit_group(0 [pid 3487] <... rmdir resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 6667] <... futex resumed>) = ? [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6665] <... exit_group resumed>) = ? [pid 3487] mkdir("./255", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 6667] +++ exited with 0 +++ [pid 6666] close(29 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6670 attached [pid 6666] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6670] set_robust_list(0x5555562645e0, 24 [pid 6666] exit_group(0 [pid 6665] +++ exited with 0 +++ [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 508 [pid 3485] lstat("./248/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6670] <... set_robust_list resumed>) = 0 [pid 6668] <... futex resumed>) = ? [pid 6666] <... exit_group resumed>) = ? [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./242/binderfs", ./strace-static-x86_64: Process 6671 attached [pid 6670] chdir("./253" [pid 6668] +++ exited with 0 +++ [pid 6666] +++ exited with 0 +++ [pid 3485] unlink("./248/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=474, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6671] set_robust_list(0x5555562645e0, 24 [pid 6670] <... chdir resumed>) = 0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 512 [pid 3485] <... unlink resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] unlink("./242/binderfs" [pid 3482] umount2("./236", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6670] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6671] <... set_robust_list resumed>) = 0 [pid 6670] <... prctl resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./236", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6671] chdir("./255" [pid 6670] setpgid(0, 0 [pid 3485] lstat("./248/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6671] <... chdir resumed>) = 0 [pid 6670] <... setpgid resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./242/cgroup", [pid 3482] <... openat resumed>) = 3 [pid 6671] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6670] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3485] unlink("./248/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] fstat(3, [pid 6671] <... prctl resumed>) = 0 [pid 6670] <... symlink resumed>) = 0 [pid 6671] setpgid(0, 0) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6671] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6670] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3485] getdents64(3, [pid 3483] unlink("./242/cgroup" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6671] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6671] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6670] <... symlink resumed>) = 0 [pid 6671] <... symlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 6671] symlink("/syzcgroup/net/syz5", "./cgroup.net") = 0 [pid 6670] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3485] close(3 [pid 3484] <... openat resumed>) = 3 [pid 3483] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6671] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 6670] <... symlink resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] fstat(3, [pid 3482] umount2("./236/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6671] write(3, "1000", 4 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6671] <... write resumed>) = 4 [pid 6670] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] rmdir("./248" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] lstat("./242/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6671] close(3 [pid 6670] <... openat resumed>) = 3 [pid 3484] getdents64(3, [pid 6671] <... close resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./236/binderfs", [pid 6671] read(200, 0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... rmdir resumed>) = 0 [pid 6671] <... symlink resumed>) = 0 [pid 6670] write(3, "1000", 4 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./242/cgroup.net" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6671] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... write resumed>) = 4 [pid 3485] mkdir("./249", 0777 [pid 3484] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6671] <... futex resumed>) = 0 [pid 6671] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa7c8c10000 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./236/binderfs" [pid 6671] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6670] close(3 [pid 6671] <... mprotect resumed>) = 0 [pid 3484] lstat("./246/binderfs", [pid 6671] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6672 attached [pid 6670] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6672] set_robust_list(0x7fa7c8c309e0, 24 [pid 6671] <... clone resumed>, parent_tid=[513], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 513 [pid 6672] <... set_robust_list resumed>) = 0 [pid 6671] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] read(200, [pid 3485] <... mkdir resumed>) = 0 [pid 3484] unlink("./246/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./236/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6672] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6671] <... futex resumed>) = 0 [pid 6670] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6672] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6670] symlink("/dev/binderfs", "./binderfs" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./242/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6673 attached [pid 6672] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6670] <... symlink resumed>) = 0 [pid 3484] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6673] set_robust_list(0x5555562645e0, 24 [pid 6672] <... futex resumed>) = 1 [pid 6671] <... futex resumed>) = 0 [pid 6670] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 500 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./236/cgroup", [pid 6673] <... set_robust_list resumed>) = 0 [pid 6672] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6671] close(3 [pid 6670] <... futex resumed>) = 0 [pid 3484] lstat("./246/cgroup", [pid 3483] unlink("./242/cgroup.cpu" [pid 6673] chdir("./249" [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6673] <... chdir resumed>) = 0 [pid 6671] close(4 [pid 3483] <... unlink resumed>) = 0 [pid 6673] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3484] unlink("./246/cgroup" [pid 3483] getdents64(3, [pid 3482] unlink("./236/cgroup" [pid 6673] <... prctl resumed>) = 0 [pid 6671] close(5 [pid 6670] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6673] setpgid(0, 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... mprotect resumed>) = 0 [pid 3484] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 3482] umount2("./236/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6673] <... setpgid resumed>) = 0 [pid 6671] close(6 [pid 6670] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6674 attached [pid 6673] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6674] set_robust_list(0x7fa7c8c309e0, 24 [pid 6671] close(7 [pid 6670] <... clone resumed>, parent_tid=[509], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 509 [pid 3484] lstat("./246/cgroup.net", [pid 3483] rmdir("./242" [pid 3482] lstat("./236/cgroup.net", [pid 6674] <... set_robust_list resumed>) = 0 [pid 6673] <... symlink resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6674] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6673] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6671] close(8 [pid 6670] <... futex resumed>) = 0 [pid 3484] unlink("./246/cgroup.net" [pid 3483] mkdir("./243", 0777 [pid 3482] unlink("./236/cgroup.net" [pid 6674] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... symlink resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6674] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6671] close(9 [pid 6674] <... futex resumed>) = 0 [pid 6673] <... symlink resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 6674] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6673] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6671] close(10 [pid 6673] <... openat resumed>) = 3 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6670] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./236/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6675 attached [pid 6673] write(3, "1000", 4 [pid 6671] close(11 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./246/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6675] set_robust_list(0x5555562645e0, 24 [pid 6673] <... write resumed>) = 4 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(4 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6675] <... set_robust_list resumed>) = 0 [pid 6673] close(3 [pid 6671] close(12 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./246/cgroup.cpu" [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 488 [pid 3482] lstat("./236/cgroup.cpu", [pid 6675] chdir("./243" [pid 6673] <... close resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] read(200, [pid 6671] close(13 [pid 6670] close(5 [pid 6675] <... chdir resumed>) = 0 [pid 6673] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6675] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6673] symlink("/dev/binderfs", "./binderfs" [pid 6671] close(14 [pid 6670] close(6 [pid 3484] getdents64(3, [pid 3482] unlink("./236/cgroup.cpu" [pid 6675] <... prctl resumed>) = 0 [pid 6673] <... symlink resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6675] setpgid(0, 0 [pid 6673] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] close(15 [pid 6670] close(7 [pid 3484] close(3 [pid 3482] getdents64(3, [pid 6675] <... setpgid resumed>) = 0 [pid 6673] <... futex resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6675] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6673] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6671] close(16 [pid 6670] close(8 [pid 3484] rmdir("./246" [pid 3482] close(3 [pid 6675] <... symlink resumed>) = 0 [pid 6673] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6675] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6673] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6671] close(17 [pid 6670] close(9 [pid 3484] mkdir("./247", 0777 [pid 3482] rmdir("./236" [pid 6675] <... symlink resumed>) = 0 [pid 6673] <... mprotect resumed>) = 0 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6671] close(18 [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6676 attached [pid 6675] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(10 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... rmdir resumed>) = 0 [pid 6676] set_robust_list(0x7fa7c8c309e0, 24 [pid 6675] <... symlink resumed>) = 0 [pid 6673] <... clone resumed>, parent_tid=[501], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 501 [pid 6671] close(19 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./237", 0777./strace-static-x86_64: Process 6677 attached [pid 6676] <... set_robust_list resumed>) = 0 [pid 6675] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6673] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(11 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 496 [pid 6677] set_robust_list(0x5555562645e0, 24 [pid 6676] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6675] <... openat resumed>) = 3 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 6676] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] write(3, "1000", 4 [pid 6673] <... futex resumed>) = 0 [pid 6670] close(12 [pid 6671] close(20 [pid 6677] <... set_robust_list resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6678 attached [pid 6677] chdir("./247" [pid 6676] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] <... write resumed>) = 4 [pid 6673] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] set_robust_list(0x5555562645e0, 24 [pid 6677] <... chdir resumed>) = 0 [pid 6676] <... futex resumed>) = 0 [pid 6675] close(3 [pid 6673] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6671] close(21 [pid 6670] close(13 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 476 [pid 6678] <... set_robust_list resumed>) = 0 [pid 6677] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6676] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6675] <... close resumed>) = 0 [pid 6673] close(3 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] chdir("./237" [pid 6677] <... prctl resumed>) = 0 [pid 6675] read(200, [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(22 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... chdir resumed>) = 0 [pid 6677] setpgid(0, 0 [pid 6675] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6673] close(4 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6677] <... setpgid resumed>) = 0 [pid 6675] symlink("/dev/binderfs", "./binderfs" [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(23 [pid 6670] close(14 [pid 6678] <... prctl resumed>) = 0 [pid 6677] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6673] close(5 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] setpgid(0, 0 [pid 6677] <... symlink resumed>) = 0 [pid 6675] <... symlink resumed>) = 0 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(24 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... setpgid resumed>) = 0 [pid 6677] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6675] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] close(6 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(15 [pid 6678] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6677] <... symlink resumed>) = 0 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(25 [pid 6678] <... symlink resumed>) = 0 [pid 6677] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6675] <... futex resumed>) = 0 [pid 6673] close(7 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6677] <... symlink resumed>) = 0 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(26 [pid 6675] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6670] close(16 [pid 6678] <... symlink resumed>) = 0 [pid 6677] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6673] close(8 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6677] <... openat resumed>) = 3 [pid 6675] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(27 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... symlink resumed>) = 0 [pid 6677] write(3, "1000", 4 [pid 6675] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6673] close(9 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(17 [pid 6678] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6677] <... write resumed>) = 4 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... mprotect resumed>) = 0 [pid 6671] close(28 [pid 6678] <... openat resumed>) = 3 [pid 6677] close(3 [pid 6675] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6673] close(10 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6679 attached [pid 6678] write(3, "1000", 4 [pid 6677] <... close resumed>) = 0 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] close(29 [pid 6670] close(18 [pid 6679] set_robust_list(0x7fa7c8c309e0, 24 [pid 6678] <... write resumed>) = 4 [pid 6677] read(200, [pid 6675] <... clone resumed>, parent_tid=[489], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 489 [pid 6673] close(11 [pid 6671] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6679] <... set_robust_list resumed>) = 0 [pid 6678] close(3 [pid 6677] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6675] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6671] exit_group(0 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6679] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6678] <... close resumed>) = 0 [pid 6677] symlink("/dev/binderfs", "./binderfs" [pid 6675] <... futex resumed>) = 0 [pid 6673] close(12 [pid 6672] <... futex resumed>) = ? [pid 6671] <... exit_group resumed>) = ? [pid 6670] close(19 [pid 6679] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] read(200, [pid 6677] <... symlink resumed>) = 0 [pid 6675] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6672] +++ exited with 0 +++ [pid 6671] +++ exited with 0 +++ [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6679] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6678] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6677] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6673] close(13 [pid 6670] close(20 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6679] <... futex resumed>) = 1 [pid 6678] symlink("/dev/binderfs", "./binderfs" [pid 6677] <... futex resumed>) = 0 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6679] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6678] <... symlink resumed>) = 0 [pid 6677] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6675] <... futex resumed>) = 0 [pid 6673] close(14 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6677] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6675] close(3 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(21 [pid 3487] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6678] <... futex resumed>) = 0 [pid 6677] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] close(15 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6677] <... mprotect resumed>) = 0 [pid 6675] close(4 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6678] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6677] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] close(16 [pid 6670] close(22 [pid 3487] <... openat resumed>) = 3 [pid 6678] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, ./strace-static-x86_64: Process 6680 attached [pid 6678] <... mprotect resumed>) = 0 [pid 6677] <... clone resumed>, parent_tid=[497], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 497 [pid 6675] close(5 [pid 6673] close(17 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6680] set_robust_list(0x7fa7c8c309e0, 24 [pid 6678] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6677] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 6670] close(23./strace-static-x86_64: Process 6681 attached [pid 6680] <... set_robust_list resumed>) = 0 [pid 6677] <... futex resumed>) = 0 [pid 6675] close(6 [pid 6673] close(18 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6681] set_robust_list(0x7fa7c8c309e0, 24 [pid 6680] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6678] <... clone resumed>, parent_tid=[477], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 477 [pid 6677] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6681] <... set_robust_list resumed>) = 0 [pid 6680] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6675] close(7 [pid 6673] close(19 [pid 6670] close(24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6681] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6680] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6678] <... futex resumed>) = 0 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./255/binderfs", [pid 6681] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6680] <... futex resumed>) = 1 [pid 6678] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6677] <... futex resumed>) = 0 [pid 6675] close(8 [pid 6673] close(20 [pid 6670] close(25 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6681] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6680] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6678] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6677] close(3 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./255/binderfs" [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6681] <... futex resumed>) = 0 [pid 6678] close(3 [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(9 [pid 6673] close(21 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6681] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] close(4 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6678] close(4 [pid 6673] close(22 [pid 6670] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(10 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./255/cgroup", [pid 6678] close(5 [pid 6677] close(5 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] close(23 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6670] close(27 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(11 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./255/cgroup" [pid 6678] close(6 [pid 6677] close(6 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] close(24 [pid 6670] close(28 [pid 3487] <... unlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(12 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6678] close(7 [pid 6677] close(7 [pid 6673] close(25 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] close(29 [pid 3487] lstat("./255/cgroup.net", [pid 6678] close(8 [pid 6677] close(8 [pid 6675] close(13 [pid 6673] close(26 [pid 6670] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6670] exit_group(0 [pid 3487] unlink("./255/cgroup.net" [pid 6678] close(9 [pid 6677] close(9 [pid 6675] close(14 [pid 6674] <... futex resumed>) = ? [pid 6673] close(27 [pid 6670] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6674] +++ exited with 0 +++ [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6678] close(10 [pid 6677] close(10 [pid 6673] close(28 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(15 [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./255/cgroup.cpu", [pid 6678] close(11 [pid 6677] close(11 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] close(29 [pid 6670] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./255/cgroup.cpu" [pid 6675] close(16 [pid 6678] close(12 [pid 6677] close(12 [pid 6673] exit_group(0 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6676] <... futex resumed>) = ? [pid 6675] close(17 [pid 6673] <... exit_group resumed>) = ? [pid 3487] getdents64(3, [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6678] close(13 [pid 6677] close(13 [pid 6676] +++ exited with 0 +++ [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6673] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(18 [pid 3487] close(3 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 6678] close(14 [pid 6677] close(14 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(19 [pid 3487] rmdir("./255" [pid 3486] <... restart_syscall resumed>) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 6678] close(15 [pid 6677] close(15 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(20 [pid 3487] mkdir("./256", 0777 [pid 6678] close(16 [pid 6677] close(16 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] close(21 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6682 attached [pid 6678] close(17 [pid 6677] close(17 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6682] set_robust_list(0x5555562645e0, 24 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 514 [pid 3485] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6675] close(22 [pid 6682] <... set_robust_list resumed>) = 0 [pid 6678] close(18 [pid 6677] close(18 [pid 3486] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... openat resumed>) = 3 [pid 6682] chdir("./256" [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] fstat(3, [pid 6682] <... chdir resumed>) = 0 [pid 6678] close(19 [pid 6677] close(19 [pid 6675] close(23 [pid 3486] fstat(3, [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6682] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] getdents64(3, [pid 6682] <... prctl resumed>) = 0 [pid 6678] close(20 [pid 6677] close(20 [pid 6675] close(24 [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6682] setpgid(0, 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6682] <... setpgid resumed>) = 0 [pid 6678] close(21 [pid 6677] close(21 [pid 6675] close(25 [pid 3486] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6682] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6675] close(26 [pid 3486] lstat("./253/binderfs", [pid 6682] <... symlink resumed>) = 0 [pid 6678] close(22 [pid 6677] close(22 [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] lstat("./249/binderfs", [pid 6675] close(27 [pid 3486] unlink("./253/binderfs" [pid 6682] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6678] close(23 [pid 6677] close(23 [pid 6675] close(28 [pid 3486] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6682] <... symlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6682] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./249/binderfs" [pid 6678] close(24 [pid 6677] close(24 [pid 6675] close(29 [pid 3486] lstat("./253/cgroup", [pid 6682] <... symlink resumed>) = 0 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6682] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6678] close(25 [pid 6677] close(25 [pid 6675] exit_group(0 [pid 3486] unlink("./253/cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 6682] <... openat resumed>) = 3 [pid 6679] <... futex resumed>) = ? [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6675] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 6682] write(3, "1000", 4 [pid 6678] close(26 [pid 6677] close(26 [pid 3486] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6679] +++ exited with 0 +++ [pid 6678] close(27 [pid 6677] close(27 [pid 6675] +++ exited with 0 +++ [pid 6682] <... write resumed>) = 4 [pid 3486] lstat("./253/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6678] close(28 [pid 6677] close(28 [pid 3486] unlink("./253/cgroup.net" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6682] close(3 [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./249/cgroup", [pid 3483] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6682] <... close resumed>) = 0 [pid 6678] close(29 [pid 6677] close(29 [pid 3486] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6682] read(200, [pid 6678] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6677] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6682] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6678] exit_group(0 [pid 6677] exit_group(0 [pid 3486] lstat("./253/cgroup.cpu", [pid 3485] unlink("./249/cgroup" [pid 6682] symlink("/dev/binderfs", "./binderfs" [pid 6681] <... futex resumed>) = ? [pid 6680] <... futex resumed>) = ? [pid 6678] <... exit_group resumed>) = ? [pid 6677] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 6682] <... symlink resumed>) = 0 [pid 6681] +++ exited with 0 +++ [pid 6680] +++ exited with 0 +++ [pid 3486] unlink("./253/cgroup.cpu" [pid 3485] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 6682] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6682] <... futex resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./249/cgroup.net", [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6682] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6678] +++ exited with 0 +++ [pid 6677] +++ exited with 0 +++ [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6682] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] unlink("./249/cgroup.net" [pid 3483] getdents64(3, [pid 6682] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=476, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6682] <... mprotect resumed>) = 0 [pid 3486] close(3 [pid 3485] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6682] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6683 attached [pid 3486] <... close resumed>) = 0 [pid 3485] lstat("./249/cgroup.cpu", [pid 3483] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6683] set_robust_list(0x7fa7c8c309e0, 24 [pid 6682] <... clone resumed>, parent_tid=[515], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 515 [pid 3486] rmdir("./253" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6683] <... set_robust_list resumed>) = 0 [pid 6682] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] unlink("./249/cgroup.cpu" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6683] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6682] <... futex resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6683] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6682] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] mkdir("./254", 0777 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./243/binderfs", [pid 6683] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... mkdir resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6683] <... futex resumed>) = 0 [pid 6682] close(3 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] unlink("./243/binderfs" [pid 3482] umount2("./237", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6684 attached [pid 6683] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] fstat(3, [pid 6684] set_robust_list(0x5555562645e0, 24 [pid 6682] close(4 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 510 [pid 3485] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6684] <... set_robust_list resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./249" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./237", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6684] chdir("./254" [pid 6682] close(5 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 6684] <... chdir resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./250", 0777 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./243/cgroup", [pid 3482] fstat(3, [pid 6684] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6682] close(6 [pid 3484] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6684] <... prctl resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./243/cgroup" [pid 3482] getdents64(3, [pid 6684] setpgid(0, 0 [pid 6682] close(7 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] lstat("./247/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6684] <... setpgid resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6685 attached [pid 6684] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6682] close(8 [pid 3484] unlink("./247/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./237/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6685] set_robust_list(0x5555562645e0, 24 [pid 6684] <... symlink resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 502 [pid 6685] <... set_robust_list resumed>) = 0 [pid 6684] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6682] close(9 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./243/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6685] chdir("./250" [pid 6684] <... symlink resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6685] <... chdir resumed>) = 0 [pid 6684] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6682] close(10 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./237/binderfs", [pid 6685] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6684] <... symlink resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./243/cgroup.net" [pid 6685] <... prctl resumed>) = 0 [pid 6684] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6682] close(11 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6685] setpgid(0, 0 [pid 6684] <... openat resumed>) = 3 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./247/cgroup", [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./237/binderfs" [pid 6685] <... setpgid resumed>) = 0 [pid 6684] write(3, "1000", 4 [pid 6682] close(12 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6682] close(13 [pid 3482] <... unlink resumed>) = 0 [pid 6685] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6684] <... write resumed>) = 4 [pid 6682] close(14 [pid 3484] unlink("./247/cgroup" [pid 6685] <... symlink resumed>) = 0 [pid 6684] close(3 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./243/cgroup.cpu", [pid 6682] close(15) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 6682] close(16 [pid 6684] <... close resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6685] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6684] read(200, [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./237/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6684] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] close(17 [pid 3483] unlink("./243/cgroup.cpu" [pid 6685] <... symlink resumed>) = 0 [pid 6684] symlink("/dev/binderfs", "./binderfs" [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6682] close(18) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 6682] close(19) = -1 EBADF (Bad file descriptor) [pid 6684] <... symlink resumed>) = 0 [pid 6682] close(20 [pid 6685] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6684] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./247/cgroup.net", [pid 3483] getdents64(3, [pid 3482] lstat("./237/cgroup", [pid 6684] <... futex resumed>) = 0 [pid 6682] close(21) = -1 EBADF (Bad file descriptor) [pid 6685] <... symlink resumed>) = 0 [pid 6684] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6682] close(22 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6685] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./247/cgroup.net" [pid 3483] close(3 [pid 3482] unlink("./237/cgroup" [pid 6685] <... openat resumed>) = 3 [pid 6684] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6682] close(23 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 6685] write(3, "1000", 4 [pid 6684] <... mprotect resumed>) = 0 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] rmdir("./243" [pid 3482] <... unlink resumed>) = 0 [pid 6685] <... write resumed>) = 4 [pid 6684] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6682] close(24 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] umount2("./237/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6686 attached [pid 6685] close(3 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./247/cgroup.cpu", [pid 3483] mkdir("./244", 0777 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6686] set_robust_list(0x7fa7c8c309e0, 24 [pid 6685] <... close resumed>) = 0 [pid 6684] <... clone resumed>, parent_tid=[511], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 511 [pid 6682] close(25 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] lstat("./237/cgroup.net", [pid 6686] <... set_robust_list resumed>) = 0 [pid 6685] read(200, [pid 6684] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./247/cgroup.cpu" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6686] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6685] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6684] <... futex resumed>) = 0 [pid 6682] close(26 [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6687 attached [pid 6686] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] symlink("/dev/binderfs", "./binderfs" [pid 6684] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 490 [pid 3482] unlink("./237/cgroup.net" [pid 6687] set_robust_list(0x5555562645e0, 24 [pid 6686] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... symlink resumed>) = 0 [pid 6684] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6682] close(27 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6687] <... set_robust_list resumed>) = 0 [pid 6686] <... futex resumed>) = 0 [pid 6685] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] close(3 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3482] umount2("./237/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6687] chdir("./244" [pid 6686] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6685] <... futex resumed>) = 0 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6682] close(28 [pid 3484] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6687] <... chdir resumed>) = 0 [pid 6685] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6684] close(4 [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./247" [pid 3482] lstat("./237/cgroup.cpu", [pid 6687] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6685] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6682] close(29 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6687] <... prctl resumed>) = 0 [pid 6685] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6684] close(5 [pid 3484] mkdir("./248", 0777 [pid 3482] unlink("./237/cgroup.cpu" [pid 6682] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] setpgid(0, 0 [pid 6685] <... mprotect resumed>) = 0 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 6682] exit_group(0 [pid 3482] <... unlink resumed>) = 0 [pid 6687] <... setpgid resumed>) = 0 [pid 6685] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6684] close(6 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6689 attached ./strace-static-x86_64: Process 6688 attached [pid 6687] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6683] <... futex resumed>) = ? [pid 6682] <... exit_group resumed>) = ? [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6689] set_robust_list(0x5555562645e0, 24 [pid 6688] set_robust_list(0x7fa7c8c309e0, 24 [pid 6687] <... symlink resumed>) = 0 [pid 6685] <... clone resumed>, parent_tid=[503], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 503 [pid 6684] close(7 [pid 6683] +++ exited with 0 +++ [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 498 [pid 3482] close(3 [pid 6687] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6685] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 6689] <... set_robust_list resumed>) = 0 [pid 6688] <... set_robust_list resumed>) = 0 [pid 6687] <... symlink resumed>) = 0 [pid 6685] <... futex resumed>) = 0 [pid 6684] close(8 [pid 6682] +++ exited with 0 +++ [pid 3482] rmdir("./237" [pid 6689] chdir("./248" [pid 6688] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6687] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6685] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... rmdir resumed>) = 0 [pid 6689] <... chdir resumed>) = 0 [pid 6688] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... symlink resumed>) = 0 [pid 6684] close(9 [pid 3482] mkdir("./238", 0777 [pid 6689] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6688] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... prctl resumed>) = 0 [pid 6688] <... futex resumed>) = 1 [pid 6687] <... openat resumed>) = 3 [pid 6685] <... futex resumed>) = 0 [pid 6684] close(10 [pid 3482] <... mkdir resumed>) = 0 [pid 6689] setpgid(0, 0 [pid 6688] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6687] write(3, "1000", 4 [pid 6685] close(3 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6690 attached [pid 6689] <... setpgid resumed>) = 0 [pid 6687] <... write resumed>) = 4 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(11 [pid 6690] set_robust_list(0x5555562645e0, 24 [pid 6689] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6687] close(3 [pid 6685] close(4 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 478 [pid 6690] <... set_robust_list resumed>) = 0 [pid 6689] <... symlink resumed>) = 0 [pid 6687] <... close resumed>) = 0 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(12 [pid 3487] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6690] chdir("./238" [pid 6689] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6687] read(200, [pid 6685] close(5 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 6690] <... chdir resumed>) = 0 [pid 6689] <... symlink resumed>) = 0 [pid 6687] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(13 [pid 6690] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6689] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6687] symlink("/dev/binderfs", "./binderfs" [pid 6685] close(6 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] <... prctl resumed>) = 0 [pid 6689] <... symlink resumed>) = 0 [pid 6687] <... symlink resumed>) = 0 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(14 [pid 3487] fstat(3, [pid 6690] setpgid(0, 0 [pid 6689] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6687] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] close(7 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6690] <... setpgid resumed>) = 0 [pid 6689] <... openat resumed>) = 3 [pid 6687] <... futex resumed>) = 0 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(15 [pid 3487] getdents64(3, [pid 6690] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6689] write(3, "1000", 4 [pid 6687] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6685] close(8 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6690] <... symlink resumed>) = 0 [pid 6689] <... write resumed>) = 4 [pid 6687] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(16 [pid 6690] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6689] close(3 [pid 6687] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6685] close(9 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6690] <... symlink resumed>) = 0 [pid 6689] <... close resumed>) = 0 [pid 6687] <... mprotect resumed>) = 0 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(17 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6690] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6689] read(200, [pid 6687] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6685] close(10 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./256/binderfs", ./strace-static-x86_64: Process 6691 attached [pid 6690] <... symlink resumed>) = 0 [pid 6689] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(18 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6691] set_robust_list(0x7fa7c8c309e0, 24 [pid 6690] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6689] symlink("/dev/binderfs", "./binderfs" [pid 6687] <... clone resumed>, parent_tid=[491], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 491 [pid 6685] close(11 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./256/binderfs" [pid 6691] <... set_robust_list resumed>) = 0 [pid 6690] <... openat resumed>) = 3 [pid 6689] <... symlink resumed>) = 0 [pid 6687] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(19 [pid 3487] <... unlink resumed>) = 0 [pid 6691] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6690] write(3, "1000", 4 [pid 6689] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... futex resumed>) = 0 [pid 6685] close(12 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6691] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] <... write resumed>) = 4 [pid 6689] <... futex resumed>) = 0 [pid 6687] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(20 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6691] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] close(3 [pid 3487] lstat("./256/cgroup", [pid 6689] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6687] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6685] close(13 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6691] <... futex resumed>) = 0 [pid 6690] <... close resumed>) = 0 [pid 6689] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6687] close(3 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(21 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6691] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6690] read(200, [pid 6689] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(14 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./256/cgroup" [pid 6690] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] <... mprotect resumed>) = 0 [pid 6687] close(4 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(22 [pid 3487] <... unlink resumed>) = 0 [pid 3487] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6685] close(15 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6689] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3487] lstat("./256/cgroup.net", ./strace-static-x86_64: Process 6692 attached [pid 6690] symlink("/dev/binderfs", "./binderfs" [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(23 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6692] set_robust_list(0x7fa7c8c309e0, 24 [pid 3487] unlink("./256/cgroup.net" [pid 6692] <... set_robust_list resumed>) = 0 [pid 6690] <... symlink resumed>) = 0 [pid 6689] <... clone resumed>, parent_tid=[499], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 499 [pid 6687] close(5 [pid 6685] close(16 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6692] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6690] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(24 [pid 3487] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6692] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] <... futex resumed>) = 0 [pid 6689] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6687] close(6 [pid 6685] close(17 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6692] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6690] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6689] <... futex resumed>) = 0 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./256/cgroup.cpu", [pid 6692] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6689] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6684] close(25 [pid 6687] close(7 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6685] close(18 [pid 6692] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6689] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./256/cgroup.cpu" [pid 6692] <... futex resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 6692] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3487] getdents64(3, 0x555556265620 /* 0 entries */, 32768) = 0 [pid 3487] close(3) = 0 [pid 3487] rmdir("./256" [pid 6690] <... mprotect resumed>) = 0 [pid 6689] close(3 [pid 6687] close(8 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(26 [pid 3487] <... rmdir resumed>) = 0 [pid 6690] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(19 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./257", 0777./strace-static-x86_64: Process 6693 attached [pid 6689] close(4 [pid 6687] close(9 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(27 [pid 6693] set_robust_list(0x7fa7c8c309e0, 24 [pid 6690] <... clone resumed>, parent_tid=[479], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 479 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(20 [pid 3487] <... mkdir resumed>) = 0 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6693] <... set_robust_list resumed>) = 0 [pid 6690] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6694 attached [pid 6693] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6694] set_robust_list(0x5555562645e0, 24 [pid 6693] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(5 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 516 [pid 6694] <... set_robust_list resumed>) = 0 [pid 6693] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] chdir("./257" [pid 6693] <... futex resumed>) = 0 [pid 6694] <... chdir resumed>) = 0 [pid 6693] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6687] close(10 [pid 6690] <... futex resumed>) = 0 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(28 [pid 6694] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6690] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(21 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... prctl resumed>) = 0 [pid 6689] close(6 [pid 6694] setpgid(0, 0 [pid 6690] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(11 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] close(29 [pid 6694] <... setpgid resumed>) = 0 [pid 6690] close(3 [pid 6689] close(7 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(22 [pid 6684] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(12 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... symlink resumed>) = 0 [pid 6689] close(8 [pid 6684] exit_group(0 [pid 6694] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6690] close(4 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(23 [pid 6694] <... symlink resumed>) = 0 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(9 [pid 6687] close(13 [pid 6686] <... futex resumed>) = ? [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] <... exit_group resumed>) = ? [pid 6694] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6690] close(5 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6686] +++ exited with 0 +++ [pid 6685] close(24 [pid 6694] <... symlink resumed>) = 0 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(10 [pid 6687] close(14 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6690] close(6 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6684] +++ exited with 0 +++ [pid 6694] <... openat resumed>) = 3 [pid 6689] close(11 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] close(25 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6694] write(3, "1000", 4 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... write resumed>) = 4 [pid 6690] close(7 [pid 6689] close(12 [pid 6687] close(15 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] close(3 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... close resumed>) = 0 [pid 6690] close(8 [pid 6689] close(13 [pid 6687] close(16 [pid 6685] close(26 [pid 6694] read(200, [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6690] close(9 [pid 6689] close(14 [pid 6687] close(17 [pid 6685] close(27 [pid 6694] symlink("/dev/binderfs", "./binderfs" [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... symlink resumed>) = 0 [pid 6690] close(10 [pid 6689] close(15 [pid 6687] close(18 [pid 6685] close(28 [pid 3486] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6694] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... futex resumed>) = 0 [pid 6689] close(16 [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6694] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6690] close(11 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(19 [pid 6694] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6689] close(17 [pid 6685] close(29 [pid 3486] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6694] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... mprotect resumed>) = 0 [pid 6689] close(18 [pid 3486] <... openat resumed>) = 3 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6695 attached [pid 6690] close(12 [pid 6689] close(19 [pid 3486] fstat(3, [pid 6695] set_robust_list(0x7fa7c8c309e0, 24 [pid 6694] <... clone resumed>, parent_tid=[517], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 517 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(20 [pid 6685] exit_group(0 [pid 6695] <... set_robust_list resumed>) = 0 [pid 6694] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6690] close(13 [pid 6689] close(20 [pid 6688] <... futex resumed>) = ? [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6685] <... exit_group resumed>) = ? [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6695] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6694] <... futex resumed>) = 0 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6688] +++ exited with 0 +++ [pid 6695] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6689] close(21 [pid 6687] close(21 [pid 6695] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6694] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6695] <... futex resumed>) = 0 [pid 6694] close(3 [pid 6689] close(22 [pid 6695] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(14 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6694] close(4 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(23 [pid 6685] +++ exited with 0 +++ [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(15 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(22 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6694] close(5 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(24 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(16 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(23 [pid 3486] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6694] close(6 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(25 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6694] close(7 [pid 6690] close(17 [pid 6689] close(26 [pid 6687] close(24 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./254/binderfs", [pid 6694] close(8 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(27 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... restart_syscall resumed>) = 0 [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(18 [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6694] close(9 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] close(28 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./254/binderfs" [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(26 [pid 6694] close(10 [pid 6690] close(19 [pid 6689] close(29 [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6694] close(11 [pid 6689] exit_group(0 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6692] <... futex resumed>) = ? [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6689] <... exit_group resumed>) = ? [pid 6687] close(27 [pid 3486] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6690] close(20 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6694] close(12 [pid 6692] +++ exited with 0 +++ [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(28 [pid 3486] lstat("./254/cgroup", [pid 3485] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(21 [pid 6689] +++ exited with 0 +++ [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 6694] close(13 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6687] close(29 [pid 3486] unlink("./254/cgroup" [pid 3485] fstat(3, [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(22 [pid 6687] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] close(14) = -1 EBADF (Bad file descriptor) [pid 6694] close(15 [pid 3486] <... unlink resumed>) = 0 [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6687] exit_group(0 [pid 6694] close(16 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6691] <... futex resumed>) = ? [pid 6690] close(23 [pid 6687] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 6694] close(17 [pid 6691] +++ exited with 0 +++ [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(24 [pid 6687] +++ exited with 0 +++ [pid 3486] lstat("./254/cgroup.net", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6694] close(18 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6690] close(25 [pid 3485] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6694] close(19 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./254/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(26 [pid 6694] close(20) = -1 EBADF (Bad file descriptor) [pid 6694] close(21) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./250/binderfs", [pid 6694] close(22 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... openat resumed>) = 3 [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] close(27 [pid 3486] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] fstat(3, [pid 6694] close(23 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./250/binderfs" [pid 6694] close(24 [pid 6690] close(28 [pid 3486] lstat("./254/cgroup.cpu", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 6694] close(25) = -1 EBADF (Bad file descriptor) [pid 6694] close(26 [pid 6690] close(29 [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./254/cgroup.cpu" [pid 3485] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6690] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6694] close(27) = -1 EBADF (Bad file descriptor) [pid 6694] close(28 [pid 3486] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6690] exit_group(0 [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6694] close(29 [pid 6693] <... futex resumed>) = ? [pid 6690] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] lstat("./250/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6694] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6693] +++ exited with 0 +++ [pid 3483] <... openat resumed>) = 3 [pid 6694] exit_group(0 [pid 6695] <... futex resumed>) = ? [pid 6694] <... exit_group resumed>) = ? [pid 3486] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./248/binderfs", [pid 3483] fstat(3, [pid 6695] +++ exited with 0 +++ [pid 6694] +++ exited with 0 +++ [pid 6690] +++ exited with 0 +++ [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./250/cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] rmdir("./254" [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./248/binderfs" [pid 3483] getdents64(3, [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=478, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] mkdir("./255", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 3487] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./250/cgroup.net", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... restart_syscall resumed>) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./248/cgroup", [pid 3483] lstat("./244/binderfs", ./strace-static-x86_64: Process 6696 attached [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./250/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6696] set_robust_list(0x5555562645e0, 24 [pid 3487] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 512 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./248/cgroup" [pid 3483] unlink("./244/binderfs" [pid 3482] umount2("./238", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6696] <... set_robust_list resumed>) = 0 [pid 3487] <... openat resumed>) = 3 [pid 3485] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6696] chdir("./255" [pid 3487] fstat(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./238", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6696] <... chdir resumed>) = 0 [pid 3485] lstat("./250/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 6696] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./248/cgroup.net", [pid 3483] lstat("./244/cgroup", [pid 3482] fstat(3, [pid 6696] <... prctl resumed>) = 0 [pid 3487] getdents64(3, [pid 3485] unlink("./250/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6696] setpgid(0, 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./248/cgroup.net" [pid 3483] unlink("./244/cgroup" [pid 3482] getdents64(3, [pid 6696] <... setpgid resumed>) = 0 [pid 3487] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6696] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./238/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6696] <... symlink resumed>) = 0 [pid 3487] lstat("./257/binderfs", [pid 3485] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6696] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] lstat("./248/cgroup.cpu", [pid 3483] lstat("./244/cgroup.net", [pid 3482] lstat("./238/binderfs", [pid 6696] <... symlink resumed>) = 0 [pid 3487] unlink("./257/binderfs" [pid 3485] rmdir("./250" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6696] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] unlink("./248/cgroup.cpu" [pid 3483] unlink("./244/cgroup.net" [pid 3482] unlink("./238/binderfs" [pid 6696] <... symlink resumed>) = 0 [pid 3487] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] mkdir("./251", 0777 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6696] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./238/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6696] <... openat resumed>) = 3 [pid 3487] lstat("./257/cgroup", [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6697 attached [pid 6696] write(3, "1000", 4 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] close(3 [pid 3483] lstat("./244/cgroup.cpu", [pid 3482] lstat("./238/cgroup", [pid 6697] set_robust_list(0x5555562645e0, 24 [pid 6696] <... write resumed>) = 4 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 504 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6697] <... set_robust_list resumed>) = 0 [pid 6696] close(3 [pid 3483] unlink("./244/cgroup.cpu" [pid 3482] unlink("./238/cgroup" [pid 6697] chdir("./251" [pid 6696] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6697] <... chdir resumed>) = 0 [pid 6696] read(200, [pid 3487] unlink("./257/cgroup" [pid 3484] <... close resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] umount2("./238/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6697] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6696] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6697] <... prctl resumed>) = 0 [pid 6696] symlink("/dev/binderfs", "./binderfs" [pid 3487] <... unlink resumed>) = 0 [pid 3484] rmdir("./248" [pid 3483] close(3 [pid 3482] lstat("./238/cgroup.net", [pid 6697] setpgid(0, 0 [pid 6696] <... symlink resumed>) = 0 [pid 3487] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6697] <... setpgid resumed>) = 0 [pid 6696] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] rmdir("./244" [pid 3482] unlink("./238/cgroup.net" [pid 6697] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6696] <... futex resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6697] <... symlink resumed>) = 0 [pid 6696] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3483] mkdir("./245", 0777 [pid 3482] umount2("./238/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6697] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6696] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] lstat("./257/cgroup.net", [pid 3484] mkdir("./249", 0777 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6697] <... symlink resumed>) = 0 [pid 6696] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] lstat("./238/cgroup.cpu", ./strace-static-x86_64: Process 6698 attached [pid 6697] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6696] <... mprotect resumed>) = 0 [pid 3487] unlink("./257/cgroup.net" [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6698] set_robust_list(0x5555562645e0, 24 [pid 6697] <... symlink resumed>) = 0 [pid 6696] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 492 [pid 3482] unlink("./238/cgroup.cpu"./strace-static-x86_64: Process 6699 attached [pid 6698] <... set_robust_list resumed>) = 0 [pid 6697] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] <... unlink resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... unlink resumed>) = 0 [pid 6699] set_robust_list(0x7fa7c8c309e0, 24 [pid 6698] chdir("./245" [pid 6697] <... openat resumed>) = 3 [pid 6696] <... clone resumed>, parent_tid=[513], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 513 [pid 3487] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6700 attached [pid 6699] <... set_robust_list resumed>) = 0 [pid 6698] <... chdir resumed>) = 0 [pid 6697] write(3, "1000", 4 [pid 6696] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6700] set_robust_list(0x5555562645e0, 24 [pid 6699] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6698] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6697] <... write resumed>) = 4 [pid 6696] <... futex resumed>) = 0 [pid 3487] lstat("./257/cgroup.cpu", [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 500 [pid 3482] close(3 [pid 6700] <... set_robust_list resumed>) = 0 [pid 6699] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... prctl resumed>) = 0 [pid 6697] close(3 [pid 6696] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... close resumed>) = 0 [pid 6700] chdir("./249" [pid 6699] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] setpgid(0, 0 [pid 6697] <... close resumed>) = 0 [pid 6696] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] rmdir("./238" [pid 6700] <... chdir resumed>) = 0 [pid 6699] <... futex resumed>) = 0 [pid 6698] <... setpgid resumed>) = 0 [pid 6697] read(200, [pid 6696] close(3 [pid 3487] unlink("./257/cgroup.cpu" [pid 3482] <... rmdir resumed>) = 0 [pid 6700] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6699] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6698] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6697] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./239", 0777 [pid 6700] <... prctl resumed>) = 0 [pid 6698] <... symlink resumed>) = 0 [pid 6697] symlink("/dev/binderfs", "./binderfs" [pid 6696] close(4 [pid 3487] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6700] setpgid(0, 0 [pid 6698] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6697] <... symlink resumed>) = 0 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6701 attached [pid 6700] <... setpgid resumed>) = 0 [pid 6698] <... symlink resumed>) = 0 [pid 6697] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] close(5 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6698] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6697] <... futex resumed>) = 0 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 480 [pid 3487] close(3 [pid 6701] set_robust_list(0x5555562645e0, 24 [pid 6698] <... symlink resumed>) = 0 [pid 6697] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6696] close(6 [pid 6700] <... symlink resumed>) = 0 [pid 6698] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6697] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 6701] <... set_robust_list resumed>) = 0 [pid 6700] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6698] <... openat resumed>) = 3 [pid 6697] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6696] close(7 [pid 3487] rmdir("./257" [pid 6701] chdir("./239" [pid 6700] <... symlink resumed>) = 0 [pid 6698] write(3, "1000", 4 [pid 6697] <... mprotect resumed>) = 0 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... chdir resumed>) = 0 [pid 6700] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6698] <... write resumed>) = 4 [pid 6697] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6696] close(8 [pid 3487] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6702 attached [pid 6701] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6700] <... symlink resumed>) = 0 [pid 6698] close(3 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./258", 0777 [pid 6702] set_robust_list(0x7fa7c8c309e0, 24 [pid 6701] <... prctl resumed>) = 0 [pid 6700] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6698] <... close resumed>) = 0 [pid 6697] <... clone resumed>, parent_tid=[505], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 505 [pid 6696] close(9 [pid 3487] <... mkdir resumed>) = 0 [pid 6702] <... set_robust_list resumed>) = 0 [pid 6701] setpgid(0, 0 [pid 6700] <... openat resumed>) = 3 [pid 6698] read(200, [pid 6697] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6702] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6701] <... setpgid resumed>) = 0 [pid 6700] write(3, "1000", 4 [pid 6698] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] <... futex resumed>) = 0 [pid 6696] close(10./strace-static-x86_64: Process 6703 attached [pid 6702] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6700] <... write resumed>) = 4 [pid 6698] symlink("/dev/binderfs", "./binderfs" [pid 6703] set_robust_list(0x5555562645e0, 24 [pid 6702] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... symlink resumed>) = 0 [pid 6700] close(3 [pid 6697] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 518 [pid 6703] <... set_robust_list resumed>) = 0 [pid 6702] <... futex resumed>) = 0 [pid 6701] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6700] <... close resumed>) = 0 [pid 6698] <... symlink resumed>) = 0 [pid 6697] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6696] close(11 [pid 6703] chdir("./258" [pid 6702] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6701] <... symlink resumed>) = 0 [pid 6700] read(200, [pid 6703] <... chdir resumed>) = 0 [pid 6701] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6700] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] close(3 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6701] <... symlink resumed>) = 0 [pid 6700] symlink("/dev/binderfs", "./binderfs" [pid 6698] <... futex resumed>) = 0 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(12 [pid 6703] <... prctl resumed>) = 0 [pid 6701] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6700] <... symlink resumed>) = 0 [pid 6703] setpgid(0, 0 [pid 6701] <... openat resumed>) = 3 [pid 6700] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6697] close(4 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... setpgid resumed>) = 0 [pid 6701] write(3, "1000", 4 [pid 6700] <... futex resumed>) = 0 [pid 6698] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6703] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6701] <... write resumed>) = 4 [pid 6700] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6703] <... symlink resumed>) = 0 [pid 6701] close(3 [pid 6700] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6698] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(13 [pid 6703] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6701] <... close resumed>) = 0 [pid 6700] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6698] <... mprotect resumed>) = 0 [pid 6703] <... symlink resumed>) = 0 [pid 6701] read(200, [pid 6700] <... mprotect resumed>) = 0 [pid 6698] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6697] close(5 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6701] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6705 attached ./strace-static-x86_64: Process 6704 attached [pid 6703] <... symlink resumed>) = 0 [pid 6701] symlink("/dev/binderfs", "./binderfs" [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(14 [pid 6705] set_robust_list(0x7fa7c8c309e0, 24 [pid 6704] set_robust_list(0x7fa7c8c309e0, 24 [pid 6703] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6701] <... symlink resumed>) = 0 [pid 6700] <... clone resumed>, parent_tid=[501], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 501 [pid 6705] <... set_robust_list resumed>) = 0 [pid 6704] <... set_robust_list resumed>) = 0 [pid 6703] <... openat resumed>) = 3 [pid 6701] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6698] <... clone resumed>, parent_tid=[493], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 493 [pid 6697] close(6 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6705] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6704] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] write(3, "1000", 4 [pid 6701] <... futex resumed>) = 0 [pid 6700] <... futex resumed>) = 0 [pid 6698] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(15 [pid 6705] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6704] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6703] <... write resumed>) = 4 [pid 6701] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6700] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6698] <... futex resumed>) = 0 [pid 6697] close(7 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6705] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6704] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6703] close(3 [pid 6701] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6700] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6698] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(16 [pid 6705] <... futex resumed>) = 0 [pid 6704] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = 0 [pid 6701] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6700] close(3 [pid 6705] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6704] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] read(200, [pid 6701] <... mprotect resumed>) = 0 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6697] close(8 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6704] <... futex resumed>) = 0 [pid 6703] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6701] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6700] close(4 [pid 6698] close(3 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6706 attached [pid 6704] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] symlink("/dev/binderfs", "./binderfs" [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(17 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6706] set_robust_list(0x7fa7c8c309e0, 24 [pid 6703] <... symlink resumed>) = 0 [pid 6701] <... clone resumed>, parent_tid=[481], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 481 [pid 6700] close(5 [pid 6698] close(4 [pid 6697] close(9 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6706] <... set_robust_list resumed>) = 0 [pid 6703] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(18 [pid 6706] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6703] <... futex resumed>) = 0 [pid 6701] <... futex resumed>) = 0 [pid 6700] close(6 [pid 6706] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6701] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(5 [pid 6697] close(10 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6706] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6703] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6701] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6700] close(7 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(19 [pid 6706] <... futex resumed>) = 0 [pid 6703] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6701] close(3 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(6 [pid 6697] close(11 [pid 6706] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] <... mprotect resumed>) = 0 [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(8 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6701] close(4 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(20./strace-static-x86_64: Process 6707 attached [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(9 [pid 6698] close(7 [pid 6697] close(12 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6707] set_robust_list(0x7fa7c8c309e0, 24 [pid 6703] <... clone resumed>, parent_tid=[519], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 519 [pid 6701] close(5 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6707] <... set_robust_list resumed>) = 0 [pid 6703] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(10 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(21 [pid 6707] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6703] <... futex resumed>) = 0 [pid 6701] close(6 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(8 [pid 6697] close(13 [pid 6707] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(11 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6707] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6701] close(7 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6707] <... futex resumed>) = 1 [pid 6703] <... futex resumed>) = 0 [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(12 [pid 6698] close(9 [pid 6697] close(14 [pid 6696] close(22 [pid 6707] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6703] close(3 [pid 6701] close(8 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(13 [pid 6698] close(10 [pid 6703] close(4 [pid 6701] close(9 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(15 [pid 6696] close(23 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(14 [pid 6698] close(11 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(5 [pid 6701] close(10 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(15 [pid 6697] close(16 [pid 6696] close(24 [pid 6703] close(6 [pid 6701] close(11 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(12 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(16 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(17 [pid 6696] close(25 [pid 6703] close(7 [pid 6701] close(12 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(17 [pid 6703] close(8 [pid 6701] close(13 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(18 [pid 6703] close(9 [pid 6701] close(14 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(19 [pid 6703] close(10 [pid 6701] close(15 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(20 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(11 [pid 6701] close(16 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(13 [pid 6697] close(18 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(21 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(26 [pid 6703] close(12 [pid 6701] close(17 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(22 [pid 6698] close(14 [pid 6697] close(19 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(13 [pid 6701] close(18 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(27 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(23 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(14 [pid 6701] close(19 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(15 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(24 [pid 6697] close(20 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(15 [pid 6701] close(20 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(28 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(25 [pid 6698] close(16 [pid 6703] close(16 [pid 6701] close(21 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(21 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(26 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] close(29 [pid 6703] close(17 [pid 6701] close(22 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(27 [pid 6698] close(17 [pid 6697] close(22 [pid 6696] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(18 [pid 6701] close(23 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(28 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] exit_group(0 [pid 6703] close(19 [pid 6701] close(24 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(18 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] close(29 [pid 6699] <... futex resumed>) = ? [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(23 [pid 6696] <... exit_group resumed>) = ? [pid 6703] close(20 [pid 6701] close(25 [pid 6700] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6699] +++ exited with 0 +++ [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] exit_group(0 [pid 6705] <... futex resumed>) = ? [pid 6703] close(21 [pid 6701] close(26 [pid 6700] <... exit_group resumed>) = ? [pid 6705] +++ exited with 0 +++ [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6700] +++ exited with 0 +++ [pid 6698] close(19 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6696] +++ exited with 0 +++ [pid 6703] close(22 [pid 6701] close(27 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(24 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(20 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6703] close(23 [pid 6701] close(28 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(25 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(21 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6703] close(24 [pid 6701] close(29 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(26 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] close(22 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6703] close(25 [pid 6701] exit_group(0 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] <... exit_group resumed>) = ? [pid 6698] close(23 [pid 6706] <... futex resumed>) = ? [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6703] close(26 [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(28 [pid 3486] <... openat resumed>) = 3 [pid 3484] <... openat resumed>) = 3 [pid 6706] +++ exited with 0 +++ [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6701] +++ exited with 0 +++ [pid 6698] close(24 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] fstat(3, [pid 6703] close(27 [pid 3486] fstat(3, [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=480, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] close(29 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] getdents64(3, [pid 6703] close(28 [pid 6698] close(25 [pid 6697] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6697] exit_group(0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./239", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6703] close(29 [pid 6702] <... futex resumed>) = ? [pid 6698] close(26 [pid 6697] <... exit_group resumed>) = ? [pid 3486] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6703] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6702] +++ exited with 0 +++ [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./249/binderfs", [pid 3482] openat(AT_FDCWD, "./239", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6703] exit_group(0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... openat resumed>) = 3 [pid 6707] <... futex resumed>) = ? [pid 6703] <... exit_group resumed>) = ? [pid 6698] close(27 [pid 6697] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./249/binderfs" [pid 3482] fstat(3, [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./255/binderfs", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6698] close(28 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 6707] +++ exited with 0 +++ [pid 6703] +++ exited with 0 +++ [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6698] close(29 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=1, si_stime=2} --- [pid 3486] unlink("./255/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./249/cgroup", [pid 3482] umount2("./239/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6698] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] unlink("./249/cgroup" [pid 3482] lstat("./239/binderfs", [pid 6698] exit_group(0 [pid 3487] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6704] <... futex resumed>) = ? [pid 6698] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./239/binderfs" [pid 6704] +++ exited with 0 +++ [pid 3487] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6698] +++ exited with 0 +++ [pid 3487] <... openat resumed>) = 3 [pid 3486] lstat("./255/cgroup", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./249/cgroup.net", [pid 3482] umount2("./239/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] fstat(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] unlink("./255/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./249/cgroup.net" [pid 3482] lstat("./239/cgroup", [pid 3487] getdents64(3, [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./251/binderfs", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./239/cgroup" [pid 3487] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./251/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./255/cgroup.net", [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./249/cgroup.cpu", [pid 3482] umount2("./239/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] lstat("./258/binderfs", [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] unlink("./255/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./249/cgroup.cpu" [pid 3483] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./239/cgroup.net", [pid 3487] unlink("./258/binderfs" [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./251/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] unlink("./239/cgroup.net" [pid 3487] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./251/cgroup" [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./255/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] close(3 [pid 3482] umount2("./239/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] lstat("./258/cgroup", [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... close resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] unlink("./255/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] rmdir("./249" [pid 3482] lstat("./239/cgroup.cpu", [pid 3487] unlink("./258/cgroup" [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./251/cgroup.net", [pid 3483] fstat(3, [pid 3487] <... unlink resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./251/cgroup.net" [pid 3484] mkdir("./250", 0777 [pid 3483] getdents64(3, [pid 3482] unlink("./239/cgroup.cpu" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... unlink resumed>) = 0 [pid 3487] lstat("./258/cgroup.net", [pid 3486] <... close resumed>) = 0 [pid 3485] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6708 attached [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] rmdir("./255" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6708] set_robust_list(0x5555562645e0, 24 [pid 3487] unlink("./258/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] lstat("./251/cgroup.cpu", [pid 3483] lstat("./245/binderfs", [pid 3482] close(3 [pid 6708] <... set_robust_list resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] mkdir("./256", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 502 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... close resumed>) = 0 [pid 6708] chdir("./250" [pid 3487] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 3485] unlink("./251/cgroup.cpu" [pid 3482] rmdir("./239" [pid 6708] <... chdir resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./245/binderfs" [pid 6708] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] lstat("./258/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6709 attached [pid 6708] <... prctl resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] getdents64(3, [pid 3483] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6709] set_robust_list(0x5555562645e0, 24 [pid 3487] unlink("./258/cgroup.cpu" [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6709] <... set_robust_list resumed>) = 0 [pid 6708] setpgid(0, 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 514 [pid 3483] lstat("./245/cgroup", [pid 3482] mkdir("./240", 0777 [pid 6709] chdir("./256" [pid 6708] <... setpgid resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6709] <... chdir resumed>) = 0 [pid 3483] unlink("./245/cgroup" [pid 6709] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6708] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3487] getdents64(3, [pid 3485] <... close resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6709] <... prctl resumed>) = 0 [pid 6708] <... symlink resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] rmdir("./251" [pid 3483] <... unlink resumed>) = 0 [pid 6709] setpgid(0, 0 [pid 3483] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6709] <... setpgid resumed>) = 0 [pid 6708] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3487] close(3 [pid 3485] <... rmdir resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6709] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6708] <... symlink resumed>) = 0 [pid 3487] <... close resumed>) = 0 [pid 3485] mkdir("./252", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6710 attached [pid 6709] <... symlink resumed>) = 0 [pid 6708] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3487] rmdir("./258" [pid 3485] <... mkdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 482 [pid 6710] set_robust_list(0x5555562645e0, 24 [pid 6709] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6708] <... symlink resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] lstat("./245/cgroup.net", ./strace-static-x86_64: Process 6711 attached [pid 6710] <... set_robust_list resumed>) = 0 [pid 6709] <... symlink resumed>) = 0 [pid 6708] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] mkdir("./259", 0777 [pid 6711] set_robust_list(0x5555562645e0, 24 [pid 6710] chdir("./240" [pid 6709] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6708] <... openat resumed>) = 3 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 506 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6711] <... set_robust_list resumed>) = 0 [pid 6710] <... chdir resumed>) = 0 [pid 6708] write(3, "1000", 4 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6712 attached [pid 6711] chdir("./252" [pid 6710] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6709] <... symlink resumed>) = 0 [pid 6708] <... write resumed>) = 4 [pid 3483] unlink("./245/cgroup.net" [pid 6712] set_robust_list(0x5555562645e0, 24 [pid 6711] <... chdir resumed>) = 0 [pid 6710] <... prctl resumed>) = 0 [pid 6709] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6708] close(3 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 520 [pid 6711] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6710] setpgid(0, 0 [pid 6708] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6712] <... set_robust_list resumed>) = 0 [pid 6711] <... prctl resumed>) = 0 [pid 6710] <... setpgid resumed>) = 0 [pid 6709] <... openat resumed>) = 3 [pid 6708] read(200, [pid 6712] chdir("./259" [pid 6711] setpgid(0, 0 [pid 6708] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6712] <... chdir resumed>) = 0 [pid 6711] <... setpgid resumed>) = 0 [pid 6710] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6709] write(3, "1000", 4 [pid 6708] symlink("/dev/binderfs", "./binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6712] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6711] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6710] <... symlink resumed>) = 0 [pid 6709] <... write resumed>) = 4 [pid 6708] <... symlink resumed>) = 0 [pid 6712] <... prctl resumed>) = 0 [pid 6711] <... symlink resumed>) = 0 [pid 6710] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6709] close(3 [pid 6708] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] lstat("./245/cgroup.cpu", [pid 6712] setpgid(0, 0 [pid 6711] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6708] <... futex resumed>) = 0 [pid 6712] <... setpgid resumed>) = 0 [pid 6711] <... symlink resumed>) = 0 [pid 6710] <... symlink resumed>) = 0 [pid 6709] <... close resumed>) = 0 [pid 6708] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6712] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6711] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6708] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6709] read(200, [pid 3483] unlink("./245/cgroup.cpu" [pid 6712] <... symlink resumed>) = 0 [pid 6711] <... symlink resumed>) = 0 [pid 6710] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6709] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6712] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6711] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6709] symlink("/dev/binderfs", "./binderfs" [pid 6708] <... mprotect resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6712] <... symlink resumed>) = 0 [pid 6711] <... openat resumed>) = 3 [pid 6710] <... symlink resumed>) = 0 [pid 6708] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3483] getdents64(3, ./strace-static-x86_64: Process 6713 attached [pid 6712] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6711] write(3, "1000", 4 [pid 6709] <... symlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6713] set_robust_list(0x7fa7c8c309e0, 24 [pid 6711] <... write resumed>) = 4 [pid 6710] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6709] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... clone resumed>, parent_tid=[503], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 503 [pid 3483] close(3 [pid 6713] <... set_robust_list resumed>) = 0 [pid 6712] <... symlink resumed>) = 0 [pid 6711] close(3 [pid 6710] <... openat resumed>) = 3 [pid 6709] <... futex resumed>) = 0 [pid 6708] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... close resumed>) = 0 [pid 6713] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6712] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6711] <... close resumed>) = 0 [pid 6710] write(3, "1000", 4 [pid 6709] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6708] <... futex resumed>) = 0 [pid 3483] rmdir("./245" [pid 6713] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... openat resumed>) = 3 [pid 6711] read(200, [pid 6710] <... write resumed>) = 4 [pid 6709] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6708] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3483] <... rmdir resumed>) = 0 [pid 6713] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] mkdir("./246", 0777 [pid 6713] <... futex resumed>) = 0 [pid 6712] write(3, "1000", 4 [pid 6711] symlink("/dev/binderfs", "./binderfs" [pid 6710] close(3 [pid 6709] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6708] close(3 [pid 3483] <... mkdir resumed>) = 0 [pid 6713] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] <... write resumed>) = 4 [pid 6711] <... symlink resumed>) = 0 [pid 6710] <... close resumed>) = 0 [pid 6709] <... mprotect resumed>) = 0 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(3 [pid 6711] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] read(200, [pid 6709] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6708] close(4 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6712] <... close resumed>) = 0 [pid 6711] <... futex resumed>) = 0 [pid 6710] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6715 attached ./strace-static-x86_64: Process 6714 attached [pid 6712] read(200, [pid 6711] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6710] symlink("/dev/binderfs", "./binderfs" [pid 6709] <... clone resumed>, parent_tid=[515], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 515 [pid 6708] close(5 [pid 6715] set_robust_list(0x5555562645e0, 24 [pid 6714] set_robust_list(0x7fa7c8c309e0, 24 [pid 6712] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6711] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 494 [pid 6715] <... set_robust_list resumed>) = 0 [pid 6714] <... set_robust_list resumed>) = 0 [pid 6712] symlink("/dev/binderfs", "./binderfs" [pid 6710] <... symlink resumed>) = 0 [pid 6709] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] close(6 [pid 6715] chdir("./246" [pid 6714] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6711] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... chdir resumed>) = 0 [pid 6714] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... symlink resumed>) = 0 [pid 6711] <... mprotect resumed>) = 0 [pid 6710] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] <... futex resumed>) = 0 [pid 6708] close(7 [pid 6715] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6714] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... prctl resumed>) = 0 [pid 6714] <... futex resumed>) = 0 [pid 6712] <... futex resumed>) = 0 [pid 6711] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6710] <... futex resumed>) = 0 [pid 6709] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6708] close(8 [pid 6715] setpgid(0, 0 [pid 6714] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6712] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6710] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6709] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6716 attached [pid 6715] <... setpgid resumed>) = 0 [pid 6712] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6710] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6709] close(3 [pid 6708] close(9 [pid 6716] set_robust_list(0x7fa7c8c309e0, 24 [pid 6715] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6716] <... set_robust_list resumed>) = 0 [pid 6715] <... symlink resumed>) = 0 [pid 6712] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6711] <... clone resumed>, parent_tid=[507], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 507 [pid 6709] close(4 [pid 6708] close(10 [pid 6716] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6712] <... mprotect resumed>) = 0 [pid 6711] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6710] <... mprotect resumed>) = 0 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6716] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6715] <... symlink resumed>) = 0 [pid 6708] close(11 [pid 6716] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6715] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6712] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6711] <... futex resumed>) = 0 [pid 6710] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6709] close(5 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6718 attached ./strace-static-x86_64: Process 6717 attached [pid 6716] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... symlink resumed>) = 0 [pid 6711] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(12 [pid 6718] set_robust_list(0x7fa7c8c309e0, 24 [pid 6717] set_robust_list(0x7fa7c8c309e0, 24 [pid 6716] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6712] <... clone resumed>, parent_tid=[521], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 521 [pid 6711] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6710] <... clone resumed>, parent_tid=[483], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 483 [pid 6709] close(6 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6718] <... set_robust_list resumed>) = 0 [pid 6717] <... set_robust_list resumed>) = 0 [pid 6716] <... futex resumed>) = 0 [pid 6715] <... openat resumed>) = 3 [pid 6712] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6711] close(3 [pid 6710] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(13 [pid 6718] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6717] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6716] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] write(3, "1000", 4 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6718] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6717] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... write resumed>) = 4 [pid 6712] <... futex resumed>) = 0 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] <... futex resumed>) = 0 [pid 6709] close(7 [pid 6708] close(14 [pid 6718] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6717] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] close(3 [pid 6712] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6711] close(4 [pid 6710] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6718] <... futex resumed>) = 0 [pid 6717] <... futex resumed>) = 0 [pid 6715] <... close resumed>) = 0 [pid 6712] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6709] close(8 [pid 6708] close(15 [pid 6718] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6717] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] read(200, [pid 6712] close(3 [pid 6711] close(5 [pid 6710] close(3 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(9 [pid 6708] close(16 [pid 6715] symlink("/dev/binderfs", "./binderfs" [pid 6711] close(6 [pid 6710] close(4 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(4 [pid 6715] <... symlink resumed>) = 0 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(10 [pid 6708] close(17 [pid 6715] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(7 [pid 6710] close(5 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... futex resumed>) = 0 [pid 6708] close(18 [pid 6715] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(11 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(5 [pid 6715] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(6 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(19 [pid 6715] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6712] close(6 [pid 6711] close(8 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(12 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... mprotect resumed>) = 0 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(7 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(20 [pid 6715] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6712] close(7 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(13 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(9./strace-static-x86_64: Process 6719 attached [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(8 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(21 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6719] set_robust_list(0x7fa7c8c309e0, 24 [pid 6715] <... clone resumed>, parent_tid=[495], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 495 [pid 6712] close(8 [pid 6711] close(10 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(14 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6719] <... set_robust_list resumed>) = 0 [pid 6715] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(9 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(22 [pid 6719] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6715] <... futex resumed>) = 0 [pid 6712] close(9 [pid 6711] close(11 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(15 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6719] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(10 [pid 6708] close(23 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6719] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6715] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6712] close(10 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(16 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6719] <... futex resumed>) = 0 [pid 6715] close(3 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(12 [pid 6710] close(11 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(24 [pid 6719] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(11 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(17 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] close(4 [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(13 [pid 6710] close(12 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(25 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] close(12 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] close(5 [pid 6708] close(26 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(14 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(18 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] close(6 [pid 6712] close(13 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(13 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(27 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(15 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(19 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] close(7 [pid 6712] close(14 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(14 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(28 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(16 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(20 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] close(8 [pid 6712] close(15 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(15 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] close(29 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(17 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(21 [pid 6708] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] close(9 [pid 6712] close(16 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(16 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6708] exit_group(0 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6713] <... futex resumed>) = ? [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(18 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(22 [pid 6708] <... exit_group resumed>) = ? [pid 6715] close(10 [pid 6713] +++ exited with 0 +++ [pid 6712] close(17 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(17 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(19 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(23 [pid 6708] +++ exited with 0 +++ [pid 6715] close(11 [pid 6712] close(18 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(18 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(20 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(24 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6715] close(12 [pid 6712] close(19 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(19 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(21 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(25 [pid 3484] <... restart_syscall resumed>) = 0 [pid 6715] close(13 [pid 6712] close(20 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(20 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(22 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(26 [pid 6715] close(14 [pid 6712] close(21 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(21 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(23 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(27 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6715] close(15 [pid 6712] close(22 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(22 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(24 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(28 [pid 3484] <... openat resumed>) = 3 [pid 6715] close(16 [pid 6712] close(23 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(23 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] fstat(3, [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(25 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] close(29 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6715] close(17 [pid 6712] close(24 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(24 [pid 6709] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(26 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] exit_group(0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6715] close(18 [pid 6714] <... futex resumed>) = ? [pid 6712] close(25 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(25 [pid 6709] <... exit_group resumed>) = ? [pid 3484] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6714] +++ exited with 0 +++ [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(27 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6709] +++ exited with 0 +++ [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6715] close(19 [pid 6712] close(26 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(26 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] lstat("./250/binderfs", [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(28 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6715] close(20 [pid 6712] close(27 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(27 [pid 3484] unlink("./250/binderfs" [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] close(29 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 6712] close(28 [pid 6711] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6710] close(28 [pid 3484] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] exit_group(0 [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6716] <... futex resumed>) = ? [pid 6715] close(21 [pid 6712] close(29 [pid 6711] <... exit_group resumed>) = ? [pid 6710] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./250/cgroup", [pid 6716] +++ exited with 0 +++ [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6711] +++ exited with 0 +++ [pid 6710] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6715] close(22 [pid 6712] exit_group(0 [pid 6710] exit_group(0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6718] <... futex resumed>) = ? [pid 6717] <... futex resumed>) = ? [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6712] <... exit_group resumed>) = ? [pid 6710] <... exit_group resumed>) = ? [pid 3486] <... openat resumed>) = 3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] unlink("./250/cgroup" [pid 6718] +++ exited with 0 +++ [pid 6717] +++ exited with 0 +++ [pid 6715] close(23 [pid 6712] +++ exited with 0 +++ [pid 6710] +++ exited with 0 +++ [pid 3486] fstat(3, [pid 3485] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6715] close(24 [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6715] close(25 [pid 3486] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=482, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./240", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 3484] lstat("./250/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] lstat("./256/binderfs", [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] openat(AT_FDCWD, "./240", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6715] close(27 [pid 3487] <... openat resumed>) = 3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] getdents64(3, [pid 3484] unlink("./250/cgroup.net" [pid 3482] <... openat resumed>) = 3 [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3486] unlink("./256/binderfs" [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... unlink resumed>) = 0 [pid 3482] fstat(3, [pid 6715] close(28 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6715] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6715] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./256/cgroup", [pid 6715] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] getdents64(3, [pid 6719] <... futex resumed>) = ? [pid 6715] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] unlink("./256/cgroup" [pid 3485] lstat("./252/binderfs", [pid 3484] lstat("./250/cgroup.cpu", [pid 6719] +++ exited with 0 +++ [pid 3487] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./252/binderfs" [pid 3484] unlink("./250/cgroup.cpu" [pid 3482] umount2("./240/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6715] +++ exited with 0 +++ [pid 3487] lstat("./259/binderfs", [pid 3486] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3482] lstat("./240/binderfs", [pid 3487] unlink("./259/binderfs" [pid 3486] lstat("./256/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./252/cgroup", [pid 3484] close(3 [pid 3483] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./240/binderfs" [pid 3487] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./256/cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./252/cgroup" [pid 3484] rmdir("./250" [pid 3487] lstat("./259/cgroup", [pid 3483] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... unlink resumed>) = 0 [pid 3482] umount2("./240/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./240/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] unlink("./240/cgroup" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] mkdir("./251", 0777 [pid 3483] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 3487] unlink("./259/cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... mkdir resumed>) = 0 [pid 3483] fstat(3, [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./256/cgroup.cpu", [pid 3485] lstat("./252/cgroup.net", [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./240/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6720 attached [pid 3487] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6720] set_robust_list(0x5555562645e0, 24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./256/cgroup.cpu" [pid 3485] unlink("./252/cgroup.net" [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 504 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6720] <... set_robust_list resumed>) = 0 [pid 3487] lstat("./259/cgroup.net", [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./240/cgroup.net", [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6720] chdir("./251" [pid 3487] unlink("./259/cgroup.net" [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./246/binderfs", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] close(3 [pid 3485] lstat("./252/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6720] <... chdir resumed>) = 0 [pid 3487] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./246/binderfs" [pid 3482] unlink("./240/cgroup.net" [pid 6720] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] rmdir("./256" [pid 3485] unlink("./252/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 6720] <... prctl resumed>) = 0 [pid 3487] lstat("./259/cgroup.cpu", [pid 3486] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6720] setpgid(0, 0 [pid 3482] umount2("./240/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6720] <... setpgid resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6720] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] mkdir("./257", 0777 [pid 3483] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./240/cgroup.cpu", [pid 6720] <... symlink resumed>) = 0 [pid 3487] unlink("./259/cgroup.cpu" [pid 3485] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6720] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3482] unlink("./240/cgroup.cpu" [pid 6720] <... symlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6720] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3487] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./246/cgroup", [pid 3482] getdents64(3, [pid 6720] <... symlink resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6720] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] close(3 [pid 3485] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] close(3 [pid 6720] <... openat resumed>) = 3 [pid 3482] <... close resumed>) = 0 [pid 6720] write(3, "1000", 4 [pid 3487] <... close resumed>) = 0 [pid 3483] unlink("./246/cgroup" [pid 3482] rmdir("./240" [pid 6720] <... write resumed>) = 4 [pid 3487] rmdir("./259" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6720] close(3 [pid 3482] mkdir("./241", 0777 [pid 6720] <... close resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] rmdir("./252" [pid 3483] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... mkdir resumed>) = 0 [pid 6720] read(200, [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6721 attached [pid 6720] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] mkdir("./260", 0777 [pid 3485] mkdir("./253", 0777 [pid 3483] lstat("./246/cgroup.net", ./strace-static-x86_64: Process 6722 attached [pid 6721] set_robust_list(0x5555562645e0, 24 [pid 6720] symlink("/dev/binderfs", "./binderfs" [pid 6721] <... set_robust_list resumed>) = 0 [pid 6720] <... symlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 484 [pid 6721] chdir("./241" [pid 6720] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... mkdir resumed>) = 0 [pid 6721] <... chdir resumed>) = 0 [pid 6720] <... futex resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 516 [pid 3483] unlink("./246/cgroup.net" [pid 6721] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6720] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6721] <... prctl resumed>) = 0 [pid 6720] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6721] setpgid(0, 0 [pid 6720] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6721] <... setpgid resumed>) = 0 [pid 6720] <... mprotect resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 [pid 6722] set_robust_list(0x5555562645e0, 24 [pid 6721] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6720] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6724 attached ./strace-static-x86_64: Process 6723 attached [pid 6722] <... set_robust_list resumed>) = 0 [pid 6721] <... symlink resumed>) = 0 [pid 3483] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6725 attached [pid 6724] set_robust_list(0x5555562645e0, 24 [pid 6723] set_robust_list(0x7fa7c8c309e0, 24 [pid 6721] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6720] <... clone resumed>, parent_tid=[505], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 505 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6724] <... set_robust_list resumed>) = 0 [pid 6723] <... set_robust_list resumed>) = 0 [pid 6722] chdir("./257" [pid 6721] <... symlink resumed>) = 0 [pid 6720] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 508 [pid 6725] set_robust_list(0x5555562645e0, 24 [pid 6724] chdir("./253" [pid 6723] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6722] <... chdir resumed>) = 0 [pid 6721] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6720] <... futex resumed>) = 0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 522 [pid 3483] lstat("./246/cgroup.cpu", [pid 6725] <... set_robust_list resumed>) = 0 [pid 6724] <... chdir resumed>) = 0 [pid 6723] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6721] <... symlink resumed>) = 0 [pid 6720] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6724] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6723] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6720] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6724] <... prctl resumed>) = 0 [pid 6723] <... futex resumed>) = 0 [pid 6722] <... prctl resumed>) = 0 [pid 6721] <... openat resumed>) = 3 [pid 6720] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6725] chdir("./260" [pid 6724] setpgid(0, 0 [pid 6723] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6722] setpgid(0, 0 [pid 6721] write(3, "1000", 4 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./246/cgroup.cpu" [pid 6725] <... chdir resumed>) = 0 [pid 6724] <... setpgid resumed>) = 0 [pid 6722] <... setpgid resumed>) = 0 [pid 6721] <... write resumed>) = 4 [pid 6720] close(4 [pid 6724] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6721] close(3 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 6725] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6724] <... symlink resumed>) = 0 [pid 6722] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6721] <... close resumed>) = 0 [pid 6720] close(5 [pid 3483] getdents64(3, [pid 6725] <... prctl resumed>) = 0 [pid 6724] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6721] read(200, [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] setpgid(0, 0 [pid 6724] <... symlink resumed>) = 0 [pid 6722] <... symlink resumed>) = 0 [pid 6721] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6720] close(6 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6725] <... setpgid resumed>) = 0 [pid 6724] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6722] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6721] symlink("/dev/binderfs", "./binderfs" [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6724] <... symlink resumed>) = 0 [pid 6722] <... symlink resumed>) = 0 [pid 6721] <... symlink resumed>) = 0 [pid 6720] close(7 [pid 3483] close(3 [pid 6724] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6721] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... symlink resumed>) = 0 [pid 6724] <... openat resumed>) = 3 [pid 6722] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6721] <... futex resumed>) = 0 [pid 6720] close(8 [pid 3483] <... close resumed>) = 0 [pid 6724] write(3, "1000", 4 [pid 6721] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... write resumed>) = 4 [pid 6721] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6720] close(9 [pid 6725] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6724] close(3 [pid 6722] <... symlink resumed>) = 0 [pid 6721] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./246" [pid 6724] <... close resumed>) = 0 [pid 6722] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6721] <... mprotect resumed>) = 0 [pid 6720] close(10 [pid 6725] <... symlink resumed>) = 0 [pid 6724] read(200, [pid 6721] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6726 attached [pid 6724] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6720] close(11 [pid 3483] <... rmdir resumed>) = 0 [pid 6726] set_robust_list(0x7fa7c8c309e0, 24 [pid 6725] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6724] symlink("/dev/binderfs", "./binderfs" [pid 6721] <... clone resumed>, parent_tid=[485], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 485 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... openat resumed>) = 3 [pid 6726] <... set_robust_list resumed>) = 0 [pid 6725] <... symlink resumed>) = 0 [pid 6724] <... symlink resumed>) = 0 [pid 6721] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6720] close(12 [pid 3483] mkdir("./247", 0777 [pid 6726] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6725] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6724] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] write(3, "1000", 4 [pid 6721] <... futex resumed>) = 0 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6726] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... futex resumed>) = 0 [pid 6721] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6720] close(13 [pid 6726] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6721] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6726] <... futex resumed>) = 0 [pid 6724] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6722] <... write resumed>) = 4 [pid 6721] close(3 [pid 6720] close(14 [pid 6725] <... openat resumed>) = 3 [pid 3483] <... mkdir resumed>) = 0 [pid 6726] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6724] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6722] close(3 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] write(3, "1000", 4 [pid 6724] <... mprotect resumed>) = 0 [pid 6721] close(4 [pid 6720] close(15 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6725] <... write resumed>) = 4 [pid 6724] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6722] <... close resumed>) = 0 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] close(3 [pid 6721] close(5 [pid 6720] close(16./strace-static-x86_64: Process 6728 attached ./strace-static-x86_64: Process 6727 attached [pid 6725] <... close resumed>) = 0 [pid 6724] <... clone resumed>, parent_tid=[509], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 509 [pid 6722] read(200, [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] set_robust_list(0x5555562645e0, 24 [pid 6727] set_robust_list(0x7fa7c8c309e0, 24 [pid 6725] read(200, [pid 6724] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6721] close(6 [pid 6720] close(17 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 496 [pid 6728] <... set_robust_list resumed>) = 0 [pid 6727] <... set_robust_list resumed>) = 0 [pid 6725] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6724] <... futex resumed>) = 0 [pid 6722] symlink("/dev/binderfs", "./binderfs" [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] chdir("./247" [pid 6727] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6725] symlink("/dev/binderfs", "./binderfs" [pid 6724] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] <... symlink resumed>) = 0 [pid 6721] close(7 [pid 6720] close(18 [pid 6728] <... chdir resumed>) = 0 [pid 6727] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... symlink resumed>) = 0 [pid 6722] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6727] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6722] <... futex resumed>) = 0 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... prctl resumed>) = 0 [pid 6727] <... futex resumed>) = 1 [pid 6725] <... futex resumed>) = 0 [pid 6724] <... futex resumed>) = 0 [pid 6722] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6721] close(8 [pid 6720] close(19 [pid 6728] setpgid(0, 0 [pid 6727] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6725] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6724] close(3 [pid 6722] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... setpgid resumed>) = 0 [pid 6725] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6728] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6725] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6722] <... mprotect resumed>) = 0 [pid 6721] close(9 [pid 6720] close(20 [pid 6728] <... symlink resumed>) = 0 [pid 6725] <... mprotect resumed>) = 0 [pid 6722] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6729 attached [pid 6728] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6725] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6724] close(4 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6730 attached [pid 6729] set_robust_list(0x7fa7c8c309e0, 24 [pid 6728] <... symlink resumed>) = 0 [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... clone resumed>, parent_tid=[517], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 517 [pid 6721] close(10 [pid 6720] close(21 [pid 6730] set_robust_list(0x7fa7c8c309e0, 24 [pid 6729] <... set_robust_list resumed>) = 0 [pid 6728] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6725] <... clone resumed>, parent_tid=[523], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 523 [pid 6724] close(5 [pid 6722] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6730] <... set_robust_list resumed>) = 0 [pid 6729] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6728] <... symlink resumed>) = 0 [pid 6725] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... futex resumed>) = 0 [pid 6729] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6725] <... futex resumed>) = 0 [pid 6722] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6729] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] <... openat resumed>) = 3 [pid 6725] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6722] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6729] <... futex resumed>) = 0 [pid 6728] write(3, "1000", 4 [pid 6722] close(3 [pid 6729] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] <... write resumed>) = 4 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6730] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6728] close(3 [pid 6724] close(6 [pid 6722] close(4 [pid 6721] close(11 [pid 6720] close(22 [pid 6730] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = 0 [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6730] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6728] read(200, [pid 6724] close(7 [pid 6722] close(5 [pid 6720] close(23 [pid 6730] <... futex resumed>) = 1 [pid 6728] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6725] <... futex resumed>) = 0 [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(12 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6730] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] symlink("/dev/binderfs", "./binderfs" [pid 6725] close(3 [pid 6724] close(8 [pid 6722] close(6 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] close(24 [pid 6728] <... symlink resumed>) = 0 [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(13 [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] close(4 [pid 6724] close(9 [pid 6722] close(7 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... futex resumed>) = 0 [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(14 [pid 6720] close(25 [pid 6728] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6725] close(5 [pid 6724] close(10 [pid 6722] close(8 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(15 [pid 6720] close(26 [pid 6728] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6725] close(6 [pid 6724] close(11 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(9 [pid 6728] <... mprotect resumed>) = 0 [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(16 [pid 6720] close(27 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6725] close(7 [pid 6724] close(12 [pid 6722] close(10 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6731 attached [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(17 [pid 6720] close(28 [pid 6731] set_robust_list(0x7fa7c8c309e0, 24 [pid 6728] <... clone resumed>, parent_tid=[497], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 497 [pid 6725] close(8 [pid 6724] close(13 [pid 6722] close(11 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6731] <... set_robust_list resumed>) = 0 [pid 6728] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(18 [pid 6720] close(29 [pid 6731] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6728] <... futex resumed>) = 0 [pid 6725] close(9 [pid 6724] close(14 [pid 6722] close(12 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6731] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(19 [pid 6720] exit_group(0 [pid 6731] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6725] close(10 [pid 6724] close(15 [pid 6723] <... futex resumed>) = ? [pid 6722] close(13 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6720] <... exit_group resumed>) = ? [pid 6731] <... futex resumed>) = 1 [pid 6728] <... futex resumed>) = 0 [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6723] +++ exited with 0 +++ [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(20 [pid 6720] +++ exited with 0 +++ [pid 6731] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6728] close(3 [pid 6725] close(11 [pid 6724] close(16 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(14 [pid 6721] close(21 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6728] close(4 [pid 6725] close(12 [pid 6724] close(17 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(15 [pid 6721] close(22 [pid 6728] close(5 [pid 6725] close(13 [pid 6724] close(18 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(23 [pid 6728] close(6 [pid 6725] close(14 [pid 6724] close(19 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(16 [pid 6721] close(24 [pid 6728] close(7 [pid 6725] close(15 [pid 6724] close(20 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] close(17 [pid 6721] close(25 [pid 6728] close(8 [pid 6725] close(16 [pid 6724] close(21 [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(26 [pid 3484] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] close(9 [pid 6725] close(17 [pid 6724] close(22 [pid 6722] close(18 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(27 [pid 3484] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6728] close(10 [pid 6725] close(18 [pid 6724] close(23 [pid 6722] close(19 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... openat resumed>) = 3 [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(28 [pid 6728] close(11 [pid 6725] close(19 [pid 6724] close(24 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] close(29 [pid 3484] fstat(3, [pid 6728] close(12 [pid 6725] close(20 [pid 6724] close(25 [pid 6722] close(20 [pid 6721] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] exit_group(0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6728] close(13 [pid 6726] <... futex resumed>) = ? [pid 6725] close(21 [pid 6724] close(26 [pid 6722] close(21 [pid 6721] <... exit_group resumed>) = ? [pid 3484] getdents64(3, [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6726] +++ exited with 0 +++ [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6721] +++ exited with 0 +++ [pid 6728] close(14 [pid 6725] close(22 [pid 6724] close(27 [pid 6722] close(22 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=484, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] close(15 [pid 6725] close(23 [pid 6724] close(28 [pid 6722] close(23 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./251/binderfs", [pid 3482] umount2("./241", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] close(16 [pid 6725] close(24 [pid 6724] close(29 [pid 6722] close(24 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./251/binderfs" [pid 3482] openat(AT_FDCWD, "./241", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6728] close(17 [pid 6725] close(25 [pid 6724] exit_group(0 [pid 6722] close(25 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6727] <... futex resumed>) = ? [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] <... exit_group resumed>) = ? [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 6728] close(18 [pid 6727] +++ exited with 0 +++ [pid 6725] close(26 [pid 6722] close(26 [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6724] +++ exited with 0 +++ [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6728] close(19 [pid 6725] close(27 [pid 6722] close(27 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] lstat("./251/cgroup", [pid 3482] getdents64(3, [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6728] close(20 [pid 6725] close(28 [pid 6722] close(28 [pid 3484] unlink("./251/cgroup" [pid 3482] umount2("./241/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] close(21 [pid 6725] close(29 [pid 6722] close(29 [pid 3484] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./241/binderfs", [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6722] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6728] close(22 [pid 6725] exit_group(0 [pid 6722] exit_group(0 [pid 6730] <... futex resumed>) = ? [pid 6729] <... futex resumed>) = ? [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6725] <... exit_group resumed>) = ? [pid 6722] <... exit_group resumed>) = ? [pid 3485] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./251/cgroup.net", [pid 3482] unlink("./241/binderfs" [pid 6730] +++ exited with 0 +++ [pid 6729] +++ exited with 0 +++ [pid 6728] close(23 [pid 6725] +++ exited with 0 +++ [pid 6722] +++ exited with 0 +++ [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] unlink("./251/cgroup.net" [pid 6728] close(24 [pid 3482] umount2("./241/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3487] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] <... openat resumed>) = 3 [pid 3486] <... openat resumed>) = 3 [pid 3487] fstat(3, [pid 3486] fstat(3, [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] getdents64(3, [pid 3486] getdents64(3, [pid 3485] fstat(3, [pid 3484] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./241/cgroup", [pid 6728] close(25 [pid 3487] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3484] lstat("./251/cgroup.cpu", [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6728] close(26 [pid 3487] lstat("./260/binderfs", [pid 3486] lstat("./257/binderfs", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./241/cgroup" [pid 6728] close(27 [pid 3487] unlink("./260/binderfs" [pid 3486] unlink("./257/binderfs" [pid 3484] unlink("./251/cgroup.cpu" [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6728] close(28 [pid 3487] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3485] lstat("./253/binderfs", [pid 6728] close(29 [pid 3487] lstat("./260/cgroup", [pid 3486] lstat("./257/cgroup", [pid 3482] umount2("./241/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6728] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] getdents64(3, [pid 6728] exit_group(0 [pid 3487] unlink("./260/cgroup" [pid 3486] unlink("./257/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6731] <... futex resumed>) = ? [pid 6728] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./253/binderfs" [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] lstat("./241/cgroup.net", [pid 6731] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6728] +++ exited with 0 +++ [pid 3487] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... close resumed>) = 0 [pid 3482] unlink("./241/cgroup.net" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] rmdir("./251" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3487] lstat("./260/cgroup.net", [pid 3486] lstat("./257/cgroup.net", [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] unlink("./260/cgroup.net" [pid 3486] unlink("./257/cgroup.net" [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./253/cgroup", [pid 3484] <... rmdir resumed>) = 0 [pid 3482] umount2("./241/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] mkdir("./252", 0777 [pid 3483] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] lstat("./260/cgroup.cpu", [pid 3486] lstat("./257/cgroup.cpu", [pid 3485] unlink("./253/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] unlink("./260/cgroup.cpu" [pid 3486] unlink("./257/cgroup.cpu" [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] lstat("./241/cgroup.cpu", [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3487] getdents64(3, [pid 3486] getdents64(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] getdents64(3, [pid 3487] close(3 [pid 3486] close(3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] <... close resumed>) = 0 [pid 3486] <... close resumed>) = 0 [pid 3483] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] rmdir("./260" [pid 3486] rmdir("./257" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./247/binderfs", ./strace-static-x86_64: Process 6732 attached [pid 3487] mkdir("./261", 0777 [pid 3486] mkdir("./258", 0777 [pid 3485] lstat("./253/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./241/cgroup.cpu" [pid 6732] set_robust_list(0x5555562645e0, 24 [pid 3487] <... mkdir resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./247/binderfs" [pid 6732] <... set_robust_list resumed>) = 0 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6734 attached ./strace-static-x86_64: Process 6733 attached [pid 6732] chdir("./252" [pid 3485] unlink("./253/cgroup.net" [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 506 [pid 3483] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6734] set_robust_list(0x5555562645e0, 24 [pid 6733] set_robust_list(0x5555562645e0, 24 [pid 6732] <... chdir resumed>) = 0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 524 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 518 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6733] <... set_robust_list resumed>) = 0 [pid 6732] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6734] <... set_robust_list resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] lstat("./247/cgroup", [pid 3482] getdents64(3, [pid 6733] chdir("./261" [pid 6732] <... prctl resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6734] chdir("./258" [pid 6733] <... chdir resumed>) = 0 [pid 6732] setpgid(0, 0 [pid 3485] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./247/cgroup" [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6734] <... chdir resumed>) = 0 [pid 6733] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6732] <... setpgid resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 6734] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6733] <... prctl resumed>) = 0 [pid 6732] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3485] lstat("./253/cgroup.cpu", [pid 3483] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] close(3 [pid 6734] <... prctl resumed>) = 0 [pid 6733] setpgid(0, 0 [pid 6732] <... symlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6734] setpgid(0, 0 [pid 6733] <... setpgid resumed>) = 0 [pid 6732] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3483] lstat("./247/cgroup.net", [pid 3482] <... close resumed>) = 0 [pid 3485] unlink("./253/cgroup.cpu" [pid 6734] <... setpgid resumed>) = 0 [pid 6733] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6732] <... symlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6734] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6733] <... symlink resumed>) = 0 [pid 6732] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./247/cgroup.net" [pid 3482] rmdir("./241" [pid 6734] <... symlink resumed>) = 0 [pid 6733] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6732] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 6734] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6733] <... symlink resumed>) = 0 [pid 6732] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... rmdir resumed>) = 0 [pid 6733] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6732] <... openat resumed>) = 3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6734] <... symlink resumed>) = 0 [pid 6733] <... symlink resumed>) = 0 [pid 6732] write(3, "1000", 4 [pid 3485] close(3 [pid 3483] lstat("./247/cgroup.cpu", [pid 3482] mkdir("./242", 0777 [pid 6733] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6732] <... write resumed>) = 4 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6733] <... openat resumed>) = 3 [pid 6732] close(3 [pid 3485] <... close resumed>) = 0 [pid 3483] unlink("./247/cgroup.cpu" [pid 6734] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6733] write(3, "1000", 4 [pid 6732] <... close resumed>) = 0 [pid 3485] rmdir("./253" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6733] <... write resumed>) = 4 [pid 6732] read(200, [pid 3483] getdents64(3, [pid 6734] <... symlink resumed>) = 0 [pid 6733] close(3 [pid 3485] <... rmdir resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6734] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6733] <... close resumed>) = 0 [pid 6732] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6733] read(200, [pid 6732] symlink("/dev/binderfs", "./binderfs" [pid 3483] close(3 [pid 6734] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6735 attached [pid 6734] write(3, "1000", 4 [pid 6733] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6732] <... symlink resumed>) = 0 [pid 3485] mkdir("./254", 0777 [pid 3483] <... close resumed>) = 0 [pid 6735] set_robust_list(0x5555562645e0, 24 [pid 6734] <... write resumed>) = 4 [pid 6733] symlink("/dev/binderfs", "./binderfs" [pid 6732] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] rmdir("./247" [pid 6735] <... set_robust_list resumed>) = 0 [pid 6734] close(3 [pid 6733] <... symlink resumed>) = 0 [pid 6732] <... futex resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 486 [pid 6735] chdir("./242" [pid 6734] <... close resumed>) = 0 [pid 6733] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6736 attached [pid 6735] <... chdir resumed>) = 0 [pid 6734] read(200, [pid 6733] <... futex resumed>) = 0 [pid 6732] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6736] set_robust_list(0x5555562645e0, 24 [pid 6735] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6734] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6733] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6732] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 510 [pid 3483] mkdir("./248", 0777 [pid 6736] <... set_robust_list resumed>) = 0 [pid 6734] symlink("/dev/binderfs", "./binderfs" [pid 6736] chdir("./254" [pid 6734] <... symlink resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 6736] <... chdir resumed>) = 0 [pid 6734] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6735] <... prctl resumed>) = 0 [pid 6734] <... futex resumed>) = 0 [pid 6733] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6732] <... mprotect resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6736] <... prctl resumed>) = 0 [pid 6734] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6736] setpgid(0, 0 [pid 6735] setpgid(0, 0 [pid 6734] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6733] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6732] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6737 attached [pid 6736] <... setpgid resumed>) = 0 [pid 6735] <... setpgid resumed>) = 0 [pid 6734] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 6738 attached [pid 6737] set_robust_list(0x5555562645e0, 24 [pid 6736] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6735] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6734] <... mprotect resumed>) = 0 [pid 6733] <... mprotect resumed>) = 0 [pid 6738] set_robust_list(0x7fa7c8c309e0, 24 [pid 6737] <... set_robust_list resumed>) = 0 [pid 6736] <... symlink resumed>) = 0 [pid 6734] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6735] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6739 attached [pid 6738] <... set_robust_list resumed>) = 0 [pid 6737] chdir("./248" [pid 6736] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6735] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6733] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6732] <... clone resumed>, parent_tid=[507], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 507 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 498 [pid 6739] set_robust_list(0x7fa7c8c309e0, 24 [pid 6738] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] <... chdir resumed>) = 0 [pid 6736] <... symlink resumed>) = 0 [pid 6734] <... clone resumed>, parent_tid=[519], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 519 ./strace-static-x86_64: Process 6740 attached [pid 6737] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6736] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6735] <... symlink resumed>) = 0 [pid 6734] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] set_robust_list(0x7fa7c8c309e0, 24 [pid 6739] <... set_robust_list resumed>) = 0 [pid 6737] <... prctl resumed>) = 0 [pid 6736] <... symlink resumed>) = 0 [pid 6735] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6734] <... futex resumed>) = 0 [pid 6733] <... clone resumed>, parent_tid=[525], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 525 [pid 6732] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6740] <... set_robust_list resumed>) = 0 [pid 6739] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6737] setpgid(0, 0 [pid 6736] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6734] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6739] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6738] <... futex resumed>) = 0 [pid 6737] <... setpgid resumed>) = 0 [pid 6736] <... openat resumed>) = 3 [pid 6735] <... symlink resumed>) = 0 [pid 6733] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6732] <... futex resumed>) = 1 [pid 6740] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6739] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6738] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6737] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6736] write(3, "1000", 4 [pid 6735] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6733] <... futex resumed>) = 0 [pid 6732] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6740] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6739] <... futex resumed>) = 1 [pid 6738] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] <... symlink resumed>) = 0 [pid 6736] <... write resumed>) = 4 [pid 6734] <... futex resumed>) = 0 [pid 6740] <... futex resumed>) = 0 [pid 6739] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6736] close(3 [pid 6735] <... openat resumed>) = 3 [pid 6734] close(3 [pid 6733] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6732] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6740] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6738] <... futex resumed>) = 0 [pid 6737] <... symlink resumed>) = 0 [pid 6736] <... close resumed>) = 0 [pid 6735] write(3, "1000", 4 [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6738] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6736] read(200, [pid 6735] <... write resumed>) = 4 [pid 6734] close(4 [pid 6733] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6732] close(3 [pid 6737] <... symlink resumed>) = 0 [pid 6736] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] close(3 [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(3 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6736] symlink("/dev/binderfs", "./binderfs" [pid 6735] <... close resumed>) = 0 [pid 6734] close(5 [pid 6737] <... openat resumed>) = 3 [pid 6736] <... symlink resumed>) = 0 [pid 6735] read(200, [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(4 [pid 6737] write(3, "1000", 4 [pid 6736] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] close(6 [pid 6733] close(4 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] <... write resumed>) = 4 [pid 6736] <... futex resumed>) = 0 [pid 6735] symlink("/dev/binderfs", "./binderfs" [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(5 [pid 6737] close(3 [pid 6736] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6735] <... symlink resumed>) = 0 [pid 6734] close(7 [pid 6733] close(5 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] <... close resumed>) = 0 [pid 6736] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6735] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(6 [pid 6737] read(200, [pid 6736] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6735] <... futex resumed>) = 0 [pid 6734] close(8 [pid 6733] close(6 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6736] <... mprotect resumed>) = 0 [pid 6735] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(7 [pid 6737] symlink("/dev/binderfs", "./binderfs" [pid 6736] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6735] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6734] close(9 [pid 6733] close(7 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6741 attached [pid 6737] <... symlink resumed>) = 0 [pid 6735] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(8 [pid 6741] set_robust_list(0x7fa7c8c309e0, 24 [pid 6737] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] <... clone resumed>, parent_tid=[511], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 511 [pid 6735] <... mprotect resumed>) = 0 [pid 6734] close(10 [pid 6733] close(8 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6741] <... set_robust_list resumed>) = 0 [pid 6737] <... futex resumed>) = 0 [pid 6736] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6735] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(9./strace-static-x86_64: Process 6742 attached [pid 6741] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6737] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6736] <... futex resumed>) = 0 [pid 6734] close(11 [pid 6733] close(9 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6742] set_robust_list(0x7fa7c8c309e0, 24 [pid 6741] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6736] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6735] <... clone resumed>, parent_tid=[487], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 487 [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(10 [pid 6742] <... set_robust_list resumed>) = 0 [pid 6741] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6736] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6735] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6734] close(12 [pid 6733] close(10 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6742] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6741] <... futex resumed>) = 0 [pid 6737] <... mprotect resumed>) = 0 [pid 6736] close(3 [pid 6735] <... futex resumed>) = 0 [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(11 [pid 6742] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6741] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6734] close(13 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6743 attached [pid 6742] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] close(4 [pid 6735] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(11 [pid 6732] close(12 [pid 6743] set_robust_list(0x7fa7c8c309e0, 24 [pid 6742] <... futex resumed>) = 0 [pid 6737] <... clone resumed>, parent_tid=[499], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 499 [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(3 [pid 6734] close(14 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6743] <... set_robust_list resumed>) = 0 [pid 6742] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6736] close(5 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(12 [pid 6732] close(13 [pid 6743] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6737] <... futex resumed>) = 0 [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(4 [pid 6734] close(15 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6743] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6736] close(6 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(13 [pid 6732] close(14 [pid 6743] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6737] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(5 [pid 6734] close(16 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6743] <... futex resumed>) = 0 [pid 6737] close(3 [pid 6736] close(7 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(14 [pid 6732] close(15 [pid 6743] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(6 [pid 6734] close(17 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(4 [pid 6736] close(8 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(16 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(7 [pid 6734] close(18 [pid 6733] close(15 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(5 [pid 6736] close(9 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(17 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(8 [pid 6734] close(19 [pid 6733] close(16 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(6 [pid 6736] close(10 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(18 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(9 [pid 6734] close(20 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(17 [pid 6737] close(7 [pid 6736] close(11 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(19 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(10 [pid 6734] close(21 [pid 6733] close(18 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(8 [pid 6736] close(12 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(20 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(11 [pid 6734] close(22 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(19 [pid 6737] close(9 [pid 6736] close(13 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(21 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(12 [pid 6734] close(23 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(10 [pid 6736] close(14 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(20 [pid 6732] close(22 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(13 [pid 6734] close(24 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(11 [pid 6736] close(15 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(21 [pid 6732] close(23 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(14 [pid 6734] close(25 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(12 [pid 6736] close(16 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(22 [pid 6732] close(24 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(15 [pid 6734] close(26 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(13 [pid 6736] close(17 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(23 [pid 6732] close(25 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(16 [pid 6734] close(27 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(14 [pid 6736] close(18 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(24 [pid 6732] close(26 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(17 [pid 6734] close(28 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(15 [pid 6736] close(19 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(25 [pid 6732] close(27 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(18 [pid 6734] close(29 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(16 [pid 6736] close(20 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6734] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(26 [pid 6732] close(28 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(19 [pid 6734] exit_group(0 [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6739] <... futex resumed>) = ? [pid 6737] close(17 [pid 6736] close(21 [pid 6734] <... exit_group resumed>) = ? [pid 6733] close(27 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6732] close(29 [pid 6739] +++ exited with 0 +++ [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] close(28) = -1 EBADF (Bad file descriptor) [pid 6733] close(29 [pid 6734] +++ exited with 0 +++ [pid 6733] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6737] close(18 [pid 6736] close(22 [pid 6735] close(20 [pid 6733] exit_group(0 [pid 6732] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6740] <... futex resumed>) = ? [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] <... exit_group resumed>) = ? [pid 6732] exit_group(0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6740] +++ exited with 0 +++ [pid 6738] <... futex resumed>) = ? [pid 6737] close(19 [pid 6736] close(23 [pid 6735] close(21 [pid 6732] <... exit_group resumed>) = ? [pid 6738] +++ exited with 0 +++ [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6733] +++ exited with 0 +++ [pid 6732] +++ exited with 0 +++ [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 6737] close(20 [pid 6736] close(24 [pid 6735] close(22 [pid 3486] <... restart_syscall resumed>) = 0 [pid 3486] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6737] close(21 [pid 6736] close(25 [pid 3486] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(23 [pid 3487] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... openat resumed>) = 3 [pid 6736] close(26 [pid 3486] fstat(3, [pid 6737] close(22 [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] close(27 [pid 6735] close(24 [pid 3487] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] getdents64(3, [pid 6737] close(23 [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] close(28 [pid 3486] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6735] close(25 [pid 3487] fstat(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6737] close(24 [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] lstat("./258/binderfs", [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] close(29 [pid 6735] close(26 [pid 3487] getdents64(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./258/binderfs" [pid 6737] close(25 [pid 6736] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] exit_group(0 [pid 6735] close(27 [pid 3487] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 6741] <... futex resumed>) = ? [pid 6736] <... exit_group resumed>) = ? [pid 3486] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6737] close(26 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 6741] +++ exited with 0 +++ [pid 3486] lstat("./258/cgroup", {st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] unlink("./258/cgroup" [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6736] +++ exited with 0 +++ [pid 6735] close(28 [pid 3487] lstat("./261/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 6737] close(27 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] close(29 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6737] close(28 [pid 6735] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./261/binderfs" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./258/cgroup.net", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6742] <... futex resumed>) = ? [pid 6737] close(29 [pid 6735] <... exit_group resumed>) = ? [pid 3487] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6742] +++ exited with 0 +++ [pid 6737] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6735] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6737] exit_group(0 [pid 3487] lstat("./261/cgroup", [pid 3485] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] lstat("./252/binderfs", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=486, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6743] <... futex resumed>) = ? [pid 6737] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] unlink("./258/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6743] +++ exited with 0 +++ [pid 6737] +++ exited with 0 +++ [pid 3487] unlink("./261/cgroup" [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] unlink("./252/binderfs" [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] lstat("./258/cgroup.cpu", [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3487] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./258/cgroup.cpu" [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... restart_syscall resumed>) = 0 [pid 3487] lstat("./261/cgroup.net", [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./242", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./252/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] unlink("./261/cgroup.net" [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] lstat("./254/binderfs", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] openat(AT_FDCWD, "./242", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] <... unlink resumed>) = 0 [pid 3486] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] unlink("./252/cgroup" [pid 3483] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 3487] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./254/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] rmdir("./258" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] lstat("./261/cgroup.cpu", [pid 3485] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./252/cgroup.net", [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] unlink("./261/cgroup.cpu" [pid 3483] <... openat resumed>) = 3 [pid 3483] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] lstat("./254/cgroup", [pid 3483] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./252/cgroup.net" [pid 3482] umount2("./242/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] unlink("./254/cgroup" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... unlink resumed>) = 0 [pid 3486] mkdir("./259", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./242/binderfs", [pid 3487] getdents64(3, [pid 3486] <... mkdir resumed>) = 0 [pid 3485] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./248/binderfs", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3487] close(3 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./254/cgroup.net", [pid 3484] lstat("./252/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./242/binderfs"./strace-static-x86_64: Process 6744 attached [pid 3487] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./248/binderfs" [pid 3482] <... unlink resumed>) = 0 [pid 6744] set_robust_list(0x5555562645e0, 24 [pid 3487] rmdir("./261" [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 520 [pid 3485] unlink("./254/cgroup.net" [pid 3484] unlink("./252/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./242/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6744] <... set_robust_list resumed>) = 0 [pid 3483] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./242/cgroup", [pid 3487] <... rmdir resumed>) = 0 [pid 3483] lstat("./248/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./242/cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./248/cgroup" [pid 6744] chdir("./259" [pid 3482] <... unlink resumed>) = 0 [pid 6744] <... chdir resumed>) = 0 [pid 3487] mkdir("./262", 0777 [pid 3485] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./242/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6744] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6744] <... prctl resumed>) = 0 [pid 3485] lstat("./254/cgroup.cpu", [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./242/cgroup.net", [pid 6744] setpgid(0, 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./248/cgroup.net", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6744] <... setpgid resumed>) = 0 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] unlink("./254/cgroup.cpu" [pid 3484] rmdir("./252" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./242/cgroup.net" [pid 6744] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3483] unlink("./248/cgroup.net" [pid 3482] <... unlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./242/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./242/cgroup.cpu", [pid 6744] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3483] lstat("./248/cgroup.cpu", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6744] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] mkdir("./253", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./242/cgroup.cpu"./strace-static-x86_64: Process 6745 attached [pid 6744] <... symlink resumed>) = 0 [pid 3485] close(3 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] unlink("./248/cgroup.cpu" [pid 3482] <... unlink resumed>) = 0 [pid 6745] set_robust_list(0x5555562645e0, 24 [pid 3483] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 6745] <... set_robust_list resumed>) = 0 [pid 6744] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 526 [pid 3485] <... close resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] getdents64(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6745] chdir("./262" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] close(3 [pid 6745] <... chdir resumed>) = 0 [pid 6744] <... symlink resumed>) = 0 [pid 3485] rmdir("./254" [pid 3483] close(3 [pid 3482] <... close resumed>) = 0 ./strace-static-x86_64: Process 6746 attached [pid 6745] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6744] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] rmdir("./242" [pid 6746] set_robust_list(0x5555562645e0, 24 [pid 6745] <... prctl resumed>) = 0 [pid 6744] <... openat resumed>) = 3 [pid 3485] mkdir("./255", 0777 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 508 [pid 3483] rmdir("./248" [pid 6746] <... set_robust_list resumed>) = 0 [pid 6745] setpgid(0, 0 [pid 6744] write(3, "1000", 4 [pid 3485] <... mkdir resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6746] chdir("./253" [pid 6745] <... setpgid resumed>) = 0 [pid 6744] <... write resumed>) = 4 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... rmdir resumed>) = 0 [pid 6746] <... chdir resumed>) = 0 [pid 6745] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3483] mkdir("./249", 0777 [pid 3482] mkdir("./243", 0777 [pid 6746] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6745] <... symlink resumed>) = 0 [pid 6744] close(3 [pid 6746] <... prctl resumed>) = 0 [pid 6744] <... close resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 512 [pid 3483] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6747 attached [pid 6746] setpgid(0, 0 [pid 6744] read(200, [pid 3482] <... mkdir resumed>) = 0 [pid 6747] set_robust_list(0x5555562645e0, 24 [pid 6746] <... setpgid resumed>) = 0 [pid 6745] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6744] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6747] <... set_robust_list resumed>) = 0 [pid 6746] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6745] <... symlink resumed>) = 0 [pid 6744] symlink("/dev/binderfs", "./binderfs" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6748 attached [pid 6747] chdir("./255" [pid 6746] <... symlink resumed>) = 0 [pid 6745] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6744] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6749 attached [pid 6748] set_robust_list(0x5555562645e0, 24 [pid 6747] <... chdir resumed>) = 0 [pid 6746] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6744] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] set_robust_list(0x5555562645e0, 24 [pid 6748] <... set_robust_list resumed>) = 0 [pid 6747] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6746] <... symlink resumed>) = 0 [pid 6745] <... symlink resumed>) = 0 [pid 6744] <... futex resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 500 [pid 6749] <... set_robust_list resumed>) = 0 [pid 6748] chdir("./249" [pid 6746] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6744] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6749] chdir("./243" [pid 6748] <... chdir resumed>) = 0 [pid 6747] <... prctl resumed>) = 0 [pid 6746] <... symlink resumed>) = 0 [pid 6744] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6749] <... chdir resumed>) = 0 [pid 6748] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6747] setpgid(0, 0 [pid 6746] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6745] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6744] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 488 [pid 6749] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6748] <... prctl resumed>) = 0 [pid 6747] <... setpgid resumed>) = 0 [pid 6746] <... openat resumed>) = 3 [pid 6745] <... openat resumed>) = 3 [pid 6744] <... mprotect resumed>) = 0 [pid 6749] <... prctl resumed>) = 0 [pid 6748] setpgid(0, 0 [pid 6746] write(3, "1000", 4 [pid 6744] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID./strace-static-x86_64: Process 6750 attached [pid 6749] setpgid(0, 0 [pid 6748] <... setpgid resumed>) = 0 [pid 6747] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6746] <... write resumed>) = 4 [pid 6745] write(3, "1000", 4 [pid 6750] set_robust_list(0x7fa7c8c309e0, 24 [pid 6749] <... setpgid resumed>) = 0 [pid 6748] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6746] close(3 [pid 6744] <... clone resumed>, parent_tid=[521], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 521 [pid 6750] <... set_robust_list resumed>) = 0 [pid 6749] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6748] <... symlink resumed>) = 0 [pid 6747] <... symlink resumed>) = 0 [pid 6746] <... close resumed>) = 0 [pid 6745] <... write resumed>) = 4 [pid 6744] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6750] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6749] <... symlink resumed>) = 0 [pid 6748] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6747] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6746] read(200, [pid 6745] close(3 [pid 6744] <... futex resumed>) = 0 [pid 6750] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6748] <... symlink resumed>) = 0 [pid 6746] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6750] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... symlink resumed>) = 0 [pid 6748] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6747] <... symlink resumed>) = 0 [pid 6746] symlink("/dev/binderfs", "./binderfs" [pid 6745] <... close resumed>) = 0 [pid 6744] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6750] <... futex resumed>) = 0 [pid 6749] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6748] <... symlink resumed>) = 0 [pid 6747] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6746] <... symlink resumed>) = 0 [pid 6745] read(200, [pid 6744] close(3 [pid 6750] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... symlink resumed>) = 0 [pid 6748] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6746] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6748] <... openat resumed>) = 3 [pid 6747] <... symlink resumed>) = 0 [pid 6746] <... futex resumed>) = 0 [pid 6745] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] close(4 [pid 6749] <... openat resumed>) = 3 [pid 6748] write(3, "1000", 4 [pid 6747] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6746] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6745] symlink("/dev/binderfs", "./binderfs" [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] write(3, "1000", 4 [pid 6748] <... write resumed>) = 4 [pid 6746] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6744] close(5 [pid 6747] <... openat resumed>) = 3 [pid 6749] <... write resumed>) = 4 [pid 6748] close(3 [pid 6746] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(3 [pid 6748] <... close resumed>) = 0 [pid 6747] write(3, "1000", 4 [pid 6746] <... mprotect resumed>) = 0 [pid 6745] <... symlink resumed>) = 0 [pid 6744] close(6 [pid 6749] <... close resumed>) = 0 [pid 6748] read(200, [pid 6747] <... write resumed>) = 4 [pid 6746] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6745] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6751 attached [pid 6749] read(200, [pid 6748] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] close(3 [pid 6745] <... futex resumed>) = 0 [pid 6744] close(7 [pid 6751] set_robust_list(0x7fa7c8c309e0, 24 [pid 6749] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] symlink("/dev/binderfs", "./binderfs" [pid 6746] <... clone resumed>, parent_tid=[509], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 509 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6751] <... set_robust_list resumed>) = 0 [pid 6749] symlink("/dev/binderfs", "./binderfs" [pid 6748] <... symlink resumed>) = 0 [pid 6747] <... close resumed>) = 0 [pid 6746] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6745] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6744] close(8 [pid 6751] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6749] <... symlink resumed>) = 0 [pid 6748] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] read(200, [pid 6746] <... futex resumed>) = 0 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6751] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] <... futex resumed>) = 0 [pid 6747] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6746] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6745] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6744] close(9 [pid 6751] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] <... futex resumed>) = 0 [pid 6748] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6747] symlink("/dev/binderfs", "./binderfs" [pid 6746] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6745] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6751] <... futex resumed>) = 0 [pid 6749] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6748] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6746] close(3 [pid 6744] close(10 [pid 6751] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6748] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6747] <... symlink resumed>) = 0 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... mprotect resumed>) = 0 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6748] <... mprotect resumed>) = 0 [pid 6747] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] close(4 [pid 6744] close(11 [pid 6749] <... mprotect resumed>) = 0 [pid 6748] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6753 attached ./strace-static-x86_64: Process 6752 attached [pid 6749] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6747] <... futex resumed>) = 0 [pid 6746] close(5 [pid 6744] close(12./strace-static-x86_64: Process 6754 attached [pid 6753] set_robust_list(0x7fa7c8c309e0, 24 [pid 6752] set_robust_list(0x7fa7c8c309e0, 24 [pid 6748] <... clone resumed>, parent_tid=[501], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 501 [pid 6747] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... clone resumed>, parent_tid=[527], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 527 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6754] set_robust_list(0x7fa7c8c309e0, 24 [pid 6753] <... set_robust_list resumed>) = 0 [pid 6752] <... set_robust_list resumed>) = 0 [pid 6749] <... clone resumed>, parent_tid=[489], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 489 [pid 6748] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6747] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6746] close(6 [pid 6745] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6744] close(13 [pid 6754] <... set_robust_list resumed>) = 0 [pid 6753] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6752] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6749] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6748] <... futex resumed>) = 0 [pid 6747] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... futex resumed>) = 0 [pid 6754] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6753] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6752] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... futex resumed>) = 0 [pid 6748] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6747] <... mprotect resumed>) = 0 [pid 6746] close(7 [pid 6744] close(14 [pid 6754] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6753] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6752] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6748] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6747] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6755 attached [pid 6754] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6753] <... futex resumed>) = 0 [pid 6752] <... futex resumed>) = 0 [pid 6749] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6748] close(3 [pid 6746] close(8 [pid 6745] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6744] close(15 [pid 6755] set_robust_list(0x7fa7c8c309e0, 24 [pid 6754] <... futex resumed>) = 0 [pid 6753] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6752] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] close(3 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] <... clone resumed>, parent_tid=[513], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 513 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(3 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6755] <... set_robust_list resumed>) = 0 [pid 6754] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(4 [pid 6747] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6746] close(9 [pid 6744] close(16 [pid 6755] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6749] close(4 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] <... futex resumed>) = 0 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6755] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(5 [pid 6747] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6746] close(10 [pid 6745] close(4 [pid 6744] close(17 [pid 6755] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6749] close(5 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6755] <... futex resumed>) = 1 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(6 [pid 6747] <... futex resumed>) = 0 [pid 6746] close(11 [pid 6744] close(18 [pid 6745] close(5 [pid 6755] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6749] close(6 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(3 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(7 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] close(12 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] close(19 [pid 6749] close(7 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(4 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(6 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(8 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] close(13 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] close(20 [pid 6749] close(8 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(5 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(7 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(9 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] close(14 [pid 6744] close(21 [pid 6749] close(9 [pid 6747] close(6 [pid 6745] close(8 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(10 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(10 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(7 [pid 6746] close(15 [pid 6745] close(9 [pid 6744] close(22 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(11 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(11 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(8 [pid 6746] close(16 [pid 6745] close(10 [pid 6744] close(23 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(12 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(12 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(9 [pid 6746] close(17 [pid 6744] close(24 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(13 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(11 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(13 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(10 [pid 6746] close(18 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] close(25 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(14 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(12 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(14 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(11 [pid 6746] close(19 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] close(26 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(15 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(13 [pid 6749] close(15 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(12 [pid 6746] close(20 [pid 6744] close(27 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(16 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(14 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(16 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(13 [pid 6746] close(21 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] close(28 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(17 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(15 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(17 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(14 [pid 6746] close(22 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(18 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(16 [pid 6744] close(29 [pid 6749] close(18 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(15 [pid 6746] close(23 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(19 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(17 [pid 6744] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] close(19 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(16 [pid 6746] close(24 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(20 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(18 [pid 6744] exit_group(0 [pid 6749] close(20 [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(17 [pid 6746] close(25 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] <... exit_group resumed>) = ? [pid 6750] <... futex resumed>) = -1 EBADF (Bad file descriptor) [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] close(21 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(19 [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6750] +++ exited with 0 +++ [pid 6749] close(21 [pid 6747] close(18 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(20 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(19 [pid 6746] close(26 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6744] +++ exited with 0 +++ [pid 6749] close(22 [pid 6748] close(22 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(21 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(20 [pid 6746] close(27 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6749] close(23 [pid 6748] close(23 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(22 [pid 3486] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(21 [pid 6746] close(28 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6749] close(24 [pid 6748] close(24 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(23 [pid 3486] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(22 [pid 6746] close(29 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6749] close(25 [pid 6748] close(25 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(24 [pid 3486] fstat(3, [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(23 [pid 6746] exit_group(0 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6751] <... futex resumed>) = ? [pid 6749] close(26 [pid 6748] close(26 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6746] <... exit_group resumed>) = ? [pid 6745] close(25 [pid 6751] +++ exited with 0 +++ [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(24 [pid 6746] +++ exited with 0 +++ [pid 3486] getdents64(3, [pid 6749] close(27 [pid 6748] close(27 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(25 [pid 6745] close(26 [pid 3486] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6749] close(28 [pid 6748] close(28 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(26 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6749] close(29 [pid 6748] close(29 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(27 [pid 3486] lstat("./259/binderfs", [pid 6749] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6748] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6747] close(27 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6749] exit_group(0 [pid 6748] exit_group(0 [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(28 [pid 3486] unlink("./259/binderfs" [pid 3484] <... openat resumed>) = 3 [pid 6754] <... futex resumed>) = ? [pid 6752] <... futex resumed>) = ? [pid 6749] <... exit_group resumed>) = ? [pid 6748] <... exit_group resumed>) = ? [pid 6747] close(28 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 6754] +++ exited with 0 +++ [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] close(29 [pid 3486] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6747] close(29 [pid 6745] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6747] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6745] exit_group(0 [pid 3486] lstat("./259/cgroup", [pid 6753] <... futex resumed>) = ? [pid 6752] +++ exited with 0 +++ [pid 6747] exit_group(0 [pid 6745] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6755] <... futex resumed>) = ? [pid 6753] +++ exited with 0 +++ [pid 6749] +++ exited with 0 +++ [pid 6748] +++ exited with 0 +++ [pid 6747] <... exit_group resumed>) = ? [pid 6745] +++ exited with 0 +++ [pid 3486] unlink("./259/cgroup" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6755] +++ exited with 0 +++ [pid 6747] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=488, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./259/cgroup.net", [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] unlink("./259/cgroup.net" [pid 3483] <... openat resumed>) = 3 [pid 3487] <... restart_syscall resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3486] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./243", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./259/cgroup.cpu", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./253/binderfs", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] openat(AT_FDCWD, "./243", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 3487] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] unlink("./259/cgroup.cpu" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 3487] <... openat resumed>) = 3 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] unlink("./253/binderfs" [pid 3483] lstat("./249/binderfs", [pid 3487] fstat(3, [pid 3486] getdents64(3, [pid 3485] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./249/binderfs" [pid 3482] getdents64(3, [pid 3487] getdents64(3, [pid 3486] close(3 [pid 3485] getdents64(3, [pid 3484] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] rmdir("./259" [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./243/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./253/cgroup", [pid 3487] lstat("./262/binderfs", [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] mkdir("./260", 0777 [pid 3485] lstat("./255/binderfs", [pid 3484] unlink("./253/cgroup" [pid 3483] lstat("./249/cgroup", [pid 3482] lstat("./243/binderfs", [pid 3487] unlink("./262/binderfs" [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./249/cgroup" [pid 3482] unlink("./243/binderfs"./strace-static-x86_64: Process 6756 attached [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./255/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6756] set_robust_list(0x5555562645e0, 24 [pid 3487] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 522 [pid 3484] lstat("./253/cgroup.net", [pid 3483] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./243/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6756] <... set_robust_list resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] chdir("./260" [pid 3487] lstat("./262/cgroup", [pid 3485] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./253/cgroup.net" [pid 3483] lstat("./249/cgroup.net", [pid 3482] lstat("./243/cgroup", [pid 6756] <... chdir resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6756] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] unlink("./262/cgroup" [pid 3485] lstat("./255/cgroup", [pid 3484] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./249/cgroup.net" [pid 3482] unlink("./243/cgroup" [pid 6756] <... prctl resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6756] setpgid(0, 0 [pid 3487] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./255/cgroup" [pid 3484] lstat("./253/cgroup.cpu", [pid 3483] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./243/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6756] <... setpgid resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3487] lstat("./262/cgroup.net", [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./253/cgroup.cpu" [pid 3483] lstat("./249/cgroup.cpu", [pid 3482] lstat("./243/cgroup.net", [pid 6756] <... symlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6756] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3487] unlink("./262/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] unlink("./249/cgroup.cpu" [pid 3482] unlink("./243/cgroup.net" [pid 6756] <... symlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./255/cgroup.net", [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6756] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3487] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] close(3 [pid 3483] getdents64(3, [pid 3482] umount2("./243/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6756] <... symlink resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./255/cgroup.net" [pid 3484] <... close resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6756] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] lstat("./262/cgroup.cpu", [pid 3484] rmdir("./253" [pid 3483] close(3 [pid 3482] lstat("./243/cgroup.cpu", [pid 6756] <... openat resumed>) = 3 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6756] write(3, "1000", 4 [pid 3487] unlink("./262/cgroup.cpu" [pid 3485] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] mkdir("./254", 0777 [pid 3483] rmdir("./249" [pid 3482] unlink("./243/cgroup.cpu" [pid 6756] <... write resumed>) = 4 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6756] close(3 [pid 3487] getdents64(3, [pid 3485] lstat("./255/cgroup.cpu", [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] mkdir("./250", 0777 [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6757 attached [pid 6756] <... close resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6757] set_robust_list(0x5555562645e0, 24 [pid 6756] read(200, [pid 3487] close(3 [pid 3485] unlink("./255/cgroup.cpu" [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 510 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] close(3./strace-static-x86_64: Process 6758 attached [pid 6757] <... set_robust_list resumed>) = 0 [pid 6756] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6758] set_robust_list(0x5555562645e0, 24 [pid 6757] chdir("./254" [pid 6756] symlink("/dev/binderfs", "./binderfs" [pid 3487] rmdir("./262" [pid 3485] getdents64(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 502 [pid 3482] rmdir("./243" [pid 6758] <... set_robust_list resumed>) = 0 [pid 6757] <... chdir resumed>) = 0 [pid 6756] <... symlink resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6758] chdir("./250" [pid 6757] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6756] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] mkdir("./263", 0777 [pid 3485] close(3 [pid 3482] mkdir("./244", 0777 [pid 6758] <... chdir resumed>) = 0 [pid 6757] <... prctl resumed>) = 0 [pid 6756] <... futex resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6758] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6757] setpgid(0, 0 [pid 6756] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6760 attached ./strace-static-x86_64: Process 6759 attached [pid 6758] <... prctl resumed>) = 0 [pid 6757] <... setpgid resumed>) = 0 [pid 6756] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] rmdir("./255" [pid 6760] set_robust_list(0x5555562645e0, 24 [pid 6759] set_robust_list(0x5555562645e0, 24 [pid 6758] setpgid(0, 0 [pid 6757] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6756] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 490 [pid 6760] <... set_robust_list resumed>) = 0 [pid 6759] <... set_robust_list resumed>) = 0 [pid 6758] <... setpgid resumed>) = 0 [pid 6757] <... symlink resumed>) = 0 [pid 6756] <... mprotect resumed>) = 0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 528 [pid 3485] <... rmdir resumed>) = 0 [pid 6760] chdir("./244" [pid 6759] chdir("./263" [pid 6758] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6757] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6756] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3485] mkdir("./256", 0777./strace-static-x86_64: Process 6761 attached [pid 6760] <... chdir resumed>) = 0 [pid 6759] <... chdir resumed>) = 0 [pid 6758] <... symlink resumed>) = 0 [pid 6757] <... symlink resumed>) = 0 [pid 6761] set_robust_list(0x7fa7c8c309e0, 24 [pid 6760] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6759] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6757] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6756] <... clone resumed>, parent_tid=[523], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 523 [pid 6761] <... set_robust_list resumed>) = 0 [pid 6760] <... prctl resumed>) = 0 [pid 6759] <... prctl resumed>) = 0 [pid 6758] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6757] <... symlink resumed>) = 0 [pid 6756] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... mkdir resumed>) = 0 [pid 6761] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6760] setpgid(0, 0 [pid 6759] setpgid(0, 0 [pid 6757] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6756] <... futex resumed>) = 0 [pid 6761] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... setpgid resumed>) = 0 [pid 6759] <... setpgid resumed>) = 0 [pid 6758] <... symlink resumed>) = 0 [pid 6757] <... openat resumed>) = 3 [pid 6756] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6761] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6759] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6757] write(3, "1000", 4 [pid 6756] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6762 attached [pid 6761] <... futex resumed>) = 0 [pid 6760] <... symlink resumed>) = 0 [pid 6759] <... symlink resumed>) = 0 [pid 6758] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6757] <... write resumed>) = 4 [pid 6756] close(3 [pid 6762] set_robust_list(0x5555562645e0, 24 [pid 6761] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6760] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6759] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6757] close(3 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... set_robust_list resumed>) = 0 [pid 6760] <... symlink resumed>) = 0 [pid 6759] <... symlink resumed>) = 0 [pid 6758] <... symlink resumed>) = 0 [pid 6757] <... close resumed>) = 0 [pid 6756] close(4 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 514 [pid 6762] chdir("./256" [pid 6760] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6759] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6758] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6757] read(200, [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... chdir resumed>) = 0 [pid 6760] <... symlink resumed>) = 0 [pid 6759] <... symlink resumed>) = 0 [pid 6758] <... openat resumed>) = 3 [pid 6757] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6756] close(5 [pid 6762] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6760] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6759] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6758] write(3, "1000", 4 [pid 6757] symlink("/dev/binderfs", "./binderfs" [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... prctl resumed>) = 0 [pid 6760] <... openat resumed>) = 3 [pid 6759] <... openat resumed>) = 3 [pid 6758] <... write resumed>) = 4 [pid 6757] <... symlink resumed>) = 0 [pid 6756] close(6 [pid 6762] setpgid(0, 0 [pid 6760] write(3, "1000", 4 [pid 6759] write(3, "1000", 4 [pid 6758] close(3 [pid 6757] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... setpgid resumed>) = 0 [pid 6760] <... write resumed>) = 4 [pid 6759] <... write resumed>) = 4 [pid 6757] <... futex resumed>) = 0 [pid 6756] close(7 [pid 6758] <... close resumed>) = 0 [pid 6762] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6760] close(3 [pid 6759] close(3 [pid 6758] read(200, [pid 6757] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... symlink resumed>) = 0 [pid 6760] <... close resumed>) = 0 [pid 6759] <... close resumed>) = 0 [pid 6758] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6756] close(8 [pid 6762] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6760] read(200, [pid 6759] read(200, [pid 6758] symlink("/dev/binderfs", "./binderfs" [pid 6757] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... symlink resumed>) = 0 [pid 6760] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6759] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] <... mprotect resumed>) = 0 [pid 6756] close(9 [pid 6758] <... symlink resumed>) = 0 [pid 6762] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6760] symlink("/dev/binderfs", "./binderfs" [pid 6759] symlink("/dev/binderfs", "./binderfs" [pid 6757] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 6763 attached [pid 6762] <... symlink resumed>) = 0 [pid 6760] <... symlink resumed>) = 0 [pid 6759] <... symlink resumed>) = 0 [pid 6758] <... futex resumed>) = 0 [pid 6756] close(10 [pid 6763] set_robust_list(0x7fa7c8c309e0, 24 [pid 6762] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6760] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6757] <... clone resumed>, parent_tid=[511], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 511 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6763] <... set_robust_list resumed>) = 0 [pid 6762] <... openat resumed>) = 3 [pid 6760] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = 0 [pid 6757] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6756] close(11 [pid 6758] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6763] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6762] write(3, "1000", 4 [pid 6760] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6759] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6758] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6757] <... futex resumed>) = 0 [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6763] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... write resumed>) = 4 [pid 6760] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6759] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6758] <... mprotect resumed>) = 0 [pid 6757] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6756] close(12 [pid 6763] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] close(3 [pid 6760] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6759] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6758] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6757] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6764 attached [pid 6763] <... futex resumed>) = 0 [pid 6762] <... close resumed>) = 0 [pid 6760] <... mprotect resumed>) = 0 [pid 6759] <... mprotect resumed>) = 0 [pid 6757] close(3 [pid 6756] close(13 [pid 6764] set_robust_list(0x7fa7c8c309e0, 24 [pid 6763] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] read(200, [pid 6760] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6759] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6758] <... clone resumed>, parent_tid=[503], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 503 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6766 attached ./strace-static-x86_64: Process 6765 attached [pid 6764] <... set_robust_list resumed>) = 0 [pid 6762] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6757] close(4 [pid 6756] close(14 [pid 6766] set_robust_list(0x7fa7c8c309e0, 24 [pid 6765] set_robust_list(0x7fa7c8c309e0, 24 [pid 6764] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6762] symlink("/dev/binderfs", "./binderfs" [pid 6760] <... clone resumed>, parent_tid=[491], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 491 [pid 6759] <... clone resumed>, parent_tid=[529], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 529 [pid 6758] <... futex resumed>) = 0 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... set_robust_list resumed>) = 0 [pid 6765] <... set_robust_list resumed>) = 0 [pid 6764] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... symlink resumed>) = 0 [pid 6760] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6759] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6758] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6757] close(5 [pid 6756] close(15 [pid 6766] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6765] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6764] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... futex resumed>) = 0 [pid 6759] <... futex resumed>) = 0 [pid 6758] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6765] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6764] <... futex resumed>) = 0 [pid 6762] <... futex resumed>) = 0 [pid 6760] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6759] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6758] close(3 [pid 6757] close(6 [pid 6756] close(16 [pid 6766] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6765] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6764] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6759] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6766] <... futex resumed>) = 0 [pid 6765] <... futex resumed>) = 1 [pid 6762] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6760] <... futex resumed>) = 0 [pid 6759] close(3 [pid 6758] close(4 [pid 6757] close(7 [pid 6756] close(17 [pid 6766] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6765] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6760] close(3 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] <... mprotect resumed>) = 0 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(4 [pid 6758] close(5 [pid 6757] close(8 [pid 6756] close(18 [pid 6762] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6760] close(4 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6767 attached [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(5 [pid 6758] close(6 [pid 6757] close(9 [pid 6756] close(19 [pid 6767] set_robust_list(0x7fa7c8c309e0, 24 [pid 6762] <... clone resumed>, parent_tid=[515], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 515 [pid 6760] close(5 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... set_robust_list resumed>) = 0 [pid 6762] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(6 [pid 6757] close(10 [pid 6756] close(20 [pid 6767] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6762] <... futex resumed>) = 0 [pid 6760] close(6 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(7 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(7 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(11 [pid 6756] close(21 [pid 6767] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6762] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6760] close(7 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(8 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6767] <... futex resumed>) = 0 [pid 6762] close(3 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(8 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(12 [pid 6756] close(22 [pid 6767] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(8 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(4 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(9 [pid 6757] close(13 [pid 6756] close(23 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(9 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(5 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(10 [pid 6757] close(14 [pid 6756] close(24 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(10 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(9 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(6 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(11 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(15 [pid 6756] close(25 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(11 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(10 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(7 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(12 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(16 [pid 6756] close(26 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(12 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(11 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(8 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(13 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(17 [pid 6756] close(27 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(13 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(12 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(9 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(14 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(18 [pid 6756] close(28 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(14 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(13 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(10 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(15 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(19 [pid 6756] close(29 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(15 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(11 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(14 [pid 6757] close(20 [pid 6756] exit_group(0 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6761] <... futex resumed>) = ? [pid 6760] close(16 [pid 6759] close(16 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6756] <... exit_group resumed>) = ? [pid 6762] close(12 [pid 6761] +++ exited with 0 +++ [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(15 [pid 6757] close(21 [pid 6756] +++ exited with 0 +++ [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(17 [pid 6759] close(17 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(13 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(16 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(18 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(22 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6762] close(14 [pid 6760] close(18 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(17 [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(19 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(23 [pid 3486] <... restart_syscall resumed>) = 0 [pid 6762] close(15 [pid 6760] close(19 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(18 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(20 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(16 [pid 6760] close(20 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(19 [pid 6757] close(24 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(21 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6762] close(17 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(20 [pid 6757] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(21 [pid 6759] close(22 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(18 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(21 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(23 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(26 [pid 6762] close(19 [pid 6760] close(22 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(22 [pid 3486] <... openat resumed>) = 3 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(24 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(20 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(23 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(25 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] close(27 [pid 3486] fstat(3, [pid 6762] close(21 [pid 6760] close(23 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(24 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(26 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6762] close(22 [pid 6760] close(24 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(25 [pid 6757] close(28 [pid 3486] getdents64(3, [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(27 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6762] close(23 [pid 6760] close(25 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(26 [pid 6757] close(29 [pid 3486] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(28 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6762] close(24 [pid 6760] close(26 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(27 [pid 6757] exit_group(0 [pid 3486] lstat("./260/binderfs", [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] close(29 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6757] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6763] <... futex resumed>) = ? [pid 6763] +++ exited with 0 +++ [pid 6762] close(25 [pid 6760] close(27 [pid 6759] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] close(28 [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] exit_group(0 [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(26 [pid 6759] <... exit_group resumed>) = ? [pid 6758] close(29 [pid 3486] unlink("./260/binderfs" [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6758] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6762] close(27 [pid 6758] exit_group(0 [pid 6766] <... futex resumed>) = ? [pid 6764] <... futex resumed>) = ? [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(28 [pid 6758] <... exit_group resumed>) = ? [pid 6757] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 6766] +++ exited with 0 +++ [pid 6764] +++ exited with 0 +++ [pid 6762] close(28 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6759] +++ exited with 0 +++ [pid 6758] +++ exited with 0 +++ [pid 3486] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6762] close(29 [pid 6760] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./260/cgroup", [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 6762] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6760] exit_group(0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 6765] <... futex resumed>) = ? [pid 6762] exit_group(0 [pid 6760] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6767] <... futex resumed>) = ? [pid 6765] +++ exited with 0 +++ [pid 6762] <... exit_group resumed>) = ? [pid 6767] +++ exited with 0 +++ [pid 6762] +++ exited with 0 +++ [pid 6760] +++ exited with 0 +++ [pid 3487] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./260/cgroup" [pid 3484] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=490, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3487] <... openat resumed>) = 3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3483] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./244", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] fstat(3, [pid 3486] lstat("./260/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 3483] <... openat resumed>) = 3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] fstat(3, [pid 3482] openat(AT_FDCWD, "./244", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] getdents64(3, [pid 3486] unlink("./260/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] getdents64(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... openat resumed>) = 3 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] getdents64(3, [pid 3482] fstat(3, [pid 3487] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 3487] lstat("./263/binderfs", [pid 3486] lstat("./260/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./254/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] lstat("./250/binderfs", [pid 3482] umount2("./244/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] unlink("./263/binderfs" [pid 3486] unlink("./260/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./254/binderfs" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./256/binderfs", [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./250/binderfs" [pid 3482] lstat("./244/binderfs", [pid 3487] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./256/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./244/binderfs" [pid 3487] lstat("./263/cgroup", [pid 3486] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./254/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./250/cgroup", [pid 3482] umount2("./244/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] unlink("./263/cgroup" [pid 3486] rmdir("./260" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./254/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./256/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./250/cgroup" [pid 3482] lstat("./244/cgroup", [pid 3487] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] mkdir("./261", 0777 [pid 3485] unlink("./256/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./244/cgroup" [pid 3487] lstat("./263/cgroup.net", [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./254/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./250/cgroup.net", [pid 3482] umount2("./244/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] unlink("./263/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./254/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6768 attached [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./256/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./250/cgroup.net" [pid 3482] lstat("./244/cgroup.net", [pid 6768] set_robust_list(0x5555562645e0, 24 [pid 3487] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 524 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./256/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./244/cgroup.net" [pid 6768] <... set_robust_list resumed>) = 0 [pid 3487] lstat("./263/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./254/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6768] chdir("./261" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./250/cgroup.cpu", [pid 3482] umount2("./244/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6768] <... chdir resumed>) = 0 [pid 3487] unlink("./263/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./254/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6768] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./256/cgroup.cpu", [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./250/cgroup.cpu" [pid 3482] lstat("./244/cgroup.cpu", [pid 6768] <... prctl resumed>) = 0 [pid 6768] setpgid(0, 0 [pid 3487] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6768] <... setpgid resumed>) = 0 [pid 6768] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./256/cgroup.cpu" [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] getdents64(3, [pid 3482] unlink("./244/cgroup.cpu" [pid 6768] <... symlink resumed>) = 0 [pid 3487] close(3 [pid 6768] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] close(3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3487] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6768] <... symlink resumed>) = 0 [pid 3487] rmdir("./263" [pid 3485] getdents64(3, [pid 3484] <... close resumed>) = 0 [pid 3483] close(3 [pid 3482] getdents64(3, [pid 6768] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] rmdir("./254" [pid 3483] <... close resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6768] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 3487] mkdir("./264", 0777 [pid 3485] close(3 [pid 6768] write(3, "1000", 4 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] rmdir("./250" [pid 3482] close(3 [pid 6768] <... write resumed>) = 4 [pid 6768] close(3) = 0 [pid 6768] read(200, [pid 3487] <... mkdir resumed>) = 0 [pid 6768] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... close resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6768] symlink("/dev/binderfs", "./binderfs") = 0 [pid 3485] rmdir("./256" [pid 3483] <... rmdir resumed>) = 0 [pid 3482] rmdir("./244" [pid 6768] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6768] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa7c8c10000 [pid 6768] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 3484] mkdir("./255", 0777 [pid 3482] <... rmdir resumed>) = 0 [pid 6768] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... rmdir resumed>) = 0 [pid 3483] mkdir("./251", 0777./strace-static-x86_64: Process 6769 attached [pid 6769] set_robust_list(0x7fa7c8c309e0, 24 [pid 6768] <... clone resumed>, parent_tid=[525], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 525 [pid 6769] <... set_robust_list resumed>) = 0 [pid 6768] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6769] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6768] <... futex resumed>) = 0 [pid 6769] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3483] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6770 attached [pid 6769] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] mkdir("./257", 0777 [pid 3482] mkdir("./245", 0777 [pid 6770] set_robust_list(0x5555562645e0, 24 [pid 6769] <... futex resumed>) = 0 [pid 6768] close(3 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 530 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6770] <... set_robust_list resumed>) = 0 [pid 6769] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] chdir("./264" [pid 6768] close(4 [pid 6770] <... chdir resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6768] close(5 [pid 6770] <... prctl resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] setpgid(0, 0 [pid 6768] close(6 [pid 3485] <... mkdir resumed>) = 0 [pid 6770] <... setpgid resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6768] close(7 [pid 3482] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6771 attached [pid 6770] <... symlink resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6771] set_robust_list(0x5555562645e0, 24 [pid 6770] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6768] close(8 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6772 attached [pid 6771] <... set_robust_list resumed>) = 0 [pid 6770] <... symlink resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6773 attached [pid 6771] chdir("./251" [pid 6770] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6768] close(9./strace-static-x86_64: Process 6774 attached [pid 6773] set_robust_list(0x5555562645e0, 24 [pid 6772] set_robust_list(0x5555562645e0, 24 [pid 6771] <... chdir resumed>) = 0 [pid 6770] <... symlink resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 516 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 504 [pid 6773] <... set_robust_list resumed>) = 0 [pid 6772] <... set_robust_list resumed>) = 0 [pid 6771] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6770] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6768] close(10 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 512 [pid 6774] set_robust_list(0x5555562645e0, 24 [pid 6773] chdir("./255" [pid 6772] chdir("./257" [pid 6771] <... prctl resumed>) = 0 [pid 6770] <... openat resumed>) = 3 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 492 [pid 6774] <... set_robust_list resumed>) = 0 [pid 6773] <... chdir resumed>) = 0 [pid 6772] <... chdir resumed>) = 0 [pid 6771] setpgid(0, 0 [pid 6770] write(3, "1000", 4 [pid 6768] close(11 [pid 6773] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6771] <... setpgid resumed>) = 0 [pid 6770] <... write resumed>) = 4 [pid 6774] chdir("./245" [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] <... chdir resumed>) = 0 [pid 6773] <... prctl resumed>) = 0 [pid 6772] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6771] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6770] close(3 [pid 6768] close(12 [pid 6774] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6773] setpgid(0, 0 [pid 6772] <... prctl resumed>) = 0 [pid 6774] <... prctl resumed>) = 0 [pid 6773] <... setpgid resumed>) = 0 [pid 6772] setpgid(0, 0 [pid 6771] <... symlink resumed>) = 0 [pid 6770] <... close resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] setpgid(0, 0 [pid 6773] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6772] <... setpgid resumed>) = 0 [pid 6771] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6770] read(200, [pid 6768] close(13 [pid 6774] <... setpgid resumed>) = 0 [pid 6773] <... symlink resumed>) = 0 [pid 6772] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6771] <... symlink resumed>) = 0 [pid 6770] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6771] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6770] symlink("/dev/binderfs", "./binderfs" [pid 6768] close(14 [pid 6774] <... symlink resumed>) = 0 [pid 6773] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6772] <... symlink resumed>) = 0 [pid 6771] <... symlink resumed>) = 0 [pid 6770] <... symlink resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6771] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6770] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] close(15 [pid 6773] <... symlink resumed>) = 0 [pid 6772] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6771] <... openat resumed>) = 3 [pid 6770] <... futex resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] <... symlink resumed>) = 0 [pid 6773] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6772] <... symlink resumed>) = 0 [pid 6771] write(3, "1000", 4 [pid 6770] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6768] close(16 [pid 6771] <... write resumed>) = 4 [pid 6770] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6771] close(3 [pid 6770] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6768] close(17 [pid 6773] <... symlink resumed>) = 0 [pid 6771] <... close resumed>) = 0 [pid 6770] <... mprotect resumed>) = 0 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] <... symlink resumed>) = 0 [pid 6773] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6772] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6771] read(200, [pid 6770] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6768] close(18./strace-static-x86_64: Process 6775 attached [pid 6774] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6773] <... openat resumed>) = 3 [pid 6772] <... symlink resumed>) = 0 [pid 6771] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6775] set_robust_list(0x7fa7c8c309e0, 24 [pid 6774] <... openat resumed>) = 3 [pid 6773] write(3, "1000", 4 [pid 6772] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6771] symlink("/dev/binderfs", "./binderfs" [pid 6770] <... clone resumed>, parent_tid=[531], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 531 [pid 6768] close(19 [pid 6775] <... set_robust_list resumed>) = 0 [pid 6774] write(3, "1000", 4 [pid 6773] <... write resumed>) = 4 [pid 6772] <... openat resumed>) = 3 [pid 6775] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6774] <... write resumed>) = 4 [pid 6773] close(3 [pid 6772] write(3, "1000", 4 [pid 6771] <... symlink resumed>) = 0 [pid 6770] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6775] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] close(3 [pid 6773] <... close resumed>) = 0 [pid 6772] <... write resumed>) = 4 [pid 6771] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] <... futex resumed>) = 0 [pid 6768] close(20 [pid 6775] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] <... close resumed>) = 0 [pid 6773] read(200, [pid 6772] close(3 [pid 6771] <... futex resumed>) = 0 [pid 6770] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6775] <... futex resumed>) = 0 [pid 6774] read(200, [pid 6773] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6772] <... close resumed>) = 0 [pid 6771] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6770] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6768] close(21 [pid 6775] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] symlink("/dev/binderfs", "./binderfs" [pid 6772] read(200, [pid 6771] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6770] close(3 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(22 [pid 6774] symlink("/dev/binderfs", "./binderfs" [pid 6773] <... symlink resumed>) = 0 [pid 6772] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6771] <... mprotect resumed>) = 0 [pid 6770] close(4 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(23./strace-static-x86_64: Process 6776 attached [pid 6774] <... symlink resumed>) = 0 [pid 6773] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] symlink("/dev/binderfs", "./binderfs" [pid 6770] close(5 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6776] set_robust_list(0x7fa7c8c309e0, 24 [pid 6771] <... clone resumed>, parent_tid=[505], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 505 [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(24 [pid 6776] <... set_robust_list resumed>) = 0 [pid 6771] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6770] close(6 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6776] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6771] <... futex resumed>) = 0 [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(25 [pid 6776] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] <... symlink resumed>) = 0 [pid 6771] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6770] close(7 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6776] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(26 [pid 6776] <... futex resumed>) = 0 [pid 6774] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = 0 [pid 6772] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] close(3 [pid 6770] close(8 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6776] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6773] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6772] <... futex resumed>) = 0 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(27 [pid 6774] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6773] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6772] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6771] close(4 [pid 6770] close(9 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6773] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6772] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(28 [pid 6774] <... mprotect resumed>) = 0 [pid 6773] <... mprotect resumed>) = 0 [pid 6772] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6771] close(5 [pid 6770] close(10 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6773] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6772] <... mprotect resumed>) = 0 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] close(29 [pid 6771] close(6 [pid 6770] close(11 [pid 6768] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6778 attached ./strace-static-x86_64: Process 6777 attached [pid 6772] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6768] exit_group(0./strace-static-x86_64: Process 6779 attached [pid 6778] set_robust_list(0x7fa7c8c309e0, 24 [pid 6777] set_robust_list(0x7fa7c8c309e0, 24 [pid 6774] <... clone resumed>, parent_tid=[493], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 493 [pid 6773] <... clone resumed>, parent_tid=[513], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 513 [pid 6771] close(7 [pid 6770] close(12 [pid 6769] <... futex resumed>) = ? [pid 6768] <... exit_group resumed>) = ? [pid 6779] set_robust_list(0x7fa7c8c309e0, 24 [pid 6778] <... set_robust_list resumed>) = 0 [pid 6777] <... set_robust_list resumed>) = 0 [pid 6774] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6773] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6772] <... clone resumed>, parent_tid=[517], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 517 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6769] +++ exited with 0 +++ [pid 6768] +++ exited with 0 +++ [pid 6779] <... set_robust_list resumed>) = 0 [pid 6778] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6777] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6774] <... futex resumed>) = 0 [pid 6773] <... futex resumed>) = 0 [pid 6772] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] close(8 [pid 6770] close(13 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6778] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6777] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6778] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6777] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6771] close(9 [pid 6770] close(14 [pid 6778] <... futex resumed>) = 0 [pid 6777] <... futex resumed>) = 0 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6779] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6778] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6777] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6773] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6772] <... futex resumed>) = 0 [pid 6771] close(10 [pid 6770] close(15 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6779] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6773] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6772] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6779] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6774] close(3 [pid 6773] close(3 [pid 6772] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6771] close(11 [pid 6770] close(16 [pid 3486] <... openat resumed>) = 3 [pid 6779] <... futex resumed>) = 0 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(3 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 6779] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6774] close(4 [pid 6773] close(4 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(12 [pid 6770] close(17 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6771] close(13 [pid 6770] close(18 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(4 [pid 6771] close(14 [pid 6770] close(19 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6774] close(5 [pid 6773] close(5 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./261/binderfs", [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(5 [pid 6771] close(15 [pid 6770] close(20 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6774] close(6 [pid 6773] close(6 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./261/binderfs" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(6 [pid 6771] close(16 [pid 6770] close(21 [pid 3486] <... unlink resumed>) = 0 [pid 6774] close(7 [pid 6773] close(7 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(7 [pid 6771] close(17 [pid 6770] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6774] close(8 [pid 6773] close(8 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./261/cgroup", [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(8 [pid 6771] close(18 [pid 6770] close(23 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6774] close(9 [pid 6773] close(9 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./261/cgroup" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(9 [pid 6771] close(19 [pid 6770] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 6774] close(10 [pid 6773] close(10 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6771] close(20 [pid 6770] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./261/cgroup.net", [pid 6771] close(21 [pid 6770] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] close(11 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(10 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./261/cgroup.net" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(11 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(22 [pid 6770] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 6774] close(12 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(11 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(12 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(23 [pid 6770] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6774] close(13 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(12 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./261/cgroup.cpu", [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(13 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(24 [pid 6770] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6774] close(14 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(13 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./261/cgroup.cpu" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(14 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(25 [pid 6770] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 6775] <... futex resumed>) = ? [pid 6774] close(15 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(14 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6770] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 6775] +++ exited with 0 +++ [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(15 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(26 [pid 6770] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] close(3 [pid 6771] close(27 [pid 3486] <... close resumed>) = 0 [pid 6774] close(16 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(15 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./261" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(16 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(28 [pid 3486] <... rmdir resumed>) = 0 [pid 6774] close(17 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(16 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./262", 0777 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(17 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] close(29 [pid 3486] <... mkdir resumed>) = 0 [pid 6774] close(18 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(17 [pid 6771] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(18 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6771] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6780 attached [pid 6776] <... futex resumed>) = ? [pid 6774] close(19 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(18 [pid 6771] <... exit_group resumed>) = ? [pid 3487] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6780] set_robust_list(0x5555562645e0, 24 [pid 6776] +++ exited with 0 +++ [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(19 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] close(20 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(19 [pid 6771] +++ exited with 0 +++ [pid 3487] <... openat resumed>) = 3 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(20 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... set_robust_list resumed>) = 0 [pid 6774] close(21 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(20 [pid 3487] fstat(3, [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 526 [pid 6780] chdir("./262" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(21 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6780] <... chdir resumed>) = 0 [pid 6774] close(22 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(21 [pid 3487] getdents64(3, [pid 3483] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(22 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6780] <... prctl resumed>) = 0 [pid 6774] close(23 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(22 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6780] setpgid(0, 0 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(23 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] <... setpgid resumed>) = 0 [pid 6774] close(24 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6780] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(24 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./264/binderfs", [pid 6774] close(25 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(24 [pid 3483] <... openat resumed>) = 3 [pid 6780] <... symlink resumed>) = 0 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(25 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6780] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6774] close(26 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(25 [pid 3487] unlink("./264/binderfs" [pid 3483] fstat(3, [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(26 [pid 6780] <... symlink resumed>) = 0 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] close(27 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(26 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(27 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6774] close(28 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(27 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(28 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6780] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6774] close(29 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(28 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6774] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6773] close(29 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] <... symlink resumed>) = 0 [pid 6774] exit_group(0 [pid 6773] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6772] close(29 [pid 3483] getdents64(3, [pid 6780] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6777] <... futex resumed>) = ? [pid 6774] <... exit_group resumed>) = ? [pid 6773] exit_group(0 [pid 6772] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6780] <... openat resumed>) = 3 [pid 6778] <... futex resumed>) = ? [pid 6777] +++ exited with 0 +++ [pid 6774] +++ exited with 0 +++ [pid 6773] <... exit_group resumed>) = ? [pid 6772] exit_group(0 [pid 3487] lstat("./264/cgroup", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6780] write(3, "1000", 4 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] <... write resumed>) = 4 [pid 6779] <... futex resumed>) = ? [pid 6778] +++ exited with 0 +++ [pid 6772] <... exit_group resumed>) = ? [pid 3487] unlink("./264/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6780] close(3 [pid 6773] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3483] lstat("./251/binderfs", [pid 6780] <... close resumed>) = 0 [pid 3487] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6780] read(200, [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] unlink("./251/binderfs" [pid 6780] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] lstat("./264/cgroup.net", [pid 3484] <... restart_syscall resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6780] symlink("/dev/binderfs", "./binderfs" [pid 6779] +++ exited with 0 +++ [pid 6772] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] <... symlink resumed>) = 0 [pid 3487] unlink("./264/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6780] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... unlink resumed>) = 0 [pid 3484] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./251/cgroup", [pid 6780] <... futex resumed>) = 0 [pid 3487] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6780] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] unlink("./251/cgroup" [pid 6780] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] lstat("./264/cgroup.cpu", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] <... openat resumed>) = 3 [pid 3483] <... unlink resumed>) = 0 [pid 6780] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] fstat(3, [pid 3483] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] <... mprotect resumed>) = 0 [pid 3487] unlink("./264/cgroup.cpu" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=492, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6780] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3487] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] lstat("./251/cgroup.net", [pid 3482] umount2("./245", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6781 attached [pid 3487] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6781] set_robust_list(0x7fa7c8c309e0, 24 [pid 6780] <... clone resumed>, parent_tid=[527], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 527 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./251/cgroup.net" [pid 6781] <... set_robust_list resumed>) = 0 [pid 6780] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./245", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6781] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6780] <... futex resumed>) = 0 [pid 3487] <... close resumed>) = 0 [pid 3484] lstat("./255/binderfs", [pid 3483] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6781] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] rmdir("./264" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6781] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./255/binderfs" [pid 3483] lstat("./251/cgroup.cpu", [pid 3482] <... openat resumed>) = 3 [pid 6781] <... futex resumed>) = 0 [pid 6780] close(3 [pid 3487] mkdir("./265", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] fstat(3, [pid 6781] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./251/cgroup.cpu" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6780] close(4 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./245/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] lstat("./255/cgroup", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] lstat("./245/binderfs", [pid 3485] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./245/binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6782 attached [pid 6780] close(5 [pid 3485] lstat("./257/binderfs", [pid 3483] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 6782] set_robust_list(0x5555562645e0, 24 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 532 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] unlink("./255/cgroup" [pid 3482] umount2("./245/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6782] <... set_robust_list resumed>) = 0 [pid 6780] close(6 [pid 3485] unlink("./257/binderfs" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6782] chdir("./265" [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./245/cgroup", [pid 6782] <... chdir resumed>) = 0 [pid 3485] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6782] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6780] close(7 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... close resumed>) = 0 [pid 3482] unlink("./245/cgroup" [pid 6782] <... prctl resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./257/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] rmdir("./251" [pid 3482] <... unlink resumed>) = 0 [pid 6782] setpgid(0, 0 [pid 6780] close(8 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./245/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6782] <... setpgid resumed>) = 0 [pid 3485] unlink("./257/cgroup" [pid 3484] lstat("./255/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6782] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] lstat("./245/cgroup.net", [pid 6782] <... symlink resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] mkdir("./252", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6782] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6780] close(9 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./255/cgroup.net" [pid 3482] unlink("./245/cgroup.net" [pid 6782] <... symlink resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./257/cgroup.net", [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6782] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6780] close(10 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./245/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6782] <... symlink resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./257/cgroup.net" [pid 3484] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6783 attached [pid 6782] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6780] close(11 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./245/cgroup.cpu", [pid 6783] set_robust_list(0x5555562645e0, 24 [pid 6782] <... openat resumed>) = 3 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6783] <... set_robust_list resumed>) = 0 [pid 6782] write(3, "1000", 4 [pid 6780] close(12 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./255/cgroup.cpu", [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 506 [pid 3482] unlink("./245/cgroup.cpu" [pid 6783] chdir("./252" [pid 6782] <... write resumed>) = 4 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./257/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6783] <... chdir resumed>) = 0 [pid 6782] close(3 [pid 6780] close(13 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./255/cgroup.cpu" [pid 3482] getdents64(3, [pid 6783] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6782] <... close resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./257/cgroup.cpu" [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6783] <... prctl resumed>) = 0 [pid 6782] read(200, [pid 3485] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 6783] setpgid(0, 0 [pid 6782] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] close(14 [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6783] <... setpgid resumed>) = 0 [pid 6782] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] rmdir("./245" [pid 6783] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6782] <... symlink resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] getdents64(3, [pid 3482] <... rmdir resumed>) = 0 [pid 6783] <... symlink resumed>) = 0 [pid 6782] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] close(15 [pid 3485] <... close resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] mkdir("./246", 0777 [pid 6783] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6782] <... futex resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./257" [pid 3484] close(3 [pid 3482] <... mkdir resumed>) = 0 [pid 6783] <... symlink resumed>) = 0 [pid 6782] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6780] close(16 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6784 attached [pid 6783] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6782] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./258", 0777 [pid 3484] rmdir("./255" [pid 6784] set_robust_list(0x5555562645e0, 24 [pid 6783] <... symlink resumed>) = 0 [pid 6782] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6780] close(17 [pid 3485] <... mkdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 494 [pid 6784] <... set_robust_list resumed>) = 0 [pid 6783] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6782] <... mprotect resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6785 attached [pid 6784] chdir("./246" [pid 6783] <... openat resumed>) = 3 [pid 6782] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 6785] set_robust_list(0x5555562645e0, 24 [pid 6784] <... chdir resumed>) = 0 [pid 6783] write(3, "1000", 4 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 518 ./strace-static-x86_64: Process 6786 attached [pid 6785] <... set_robust_list resumed>) = 0 [pid 6784] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6783] <... write resumed>) = 4 [pid 6782] <... clone resumed>, parent_tid=[533], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 533 [pid 6780] close(18 [pid 3484] mkdir("./256", 0777 [pid 6786] set_robust_list(0x7fa7c8c309e0, 24 [pid 6785] chdir("./258" [pid 6784] <... prctl resumed>) = 0 [pid 6783] close(3 [pid 6782] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6786] <... set_robust_list resumed>) = 0 [pid 6785] <... chdir resumed>) = 0 [pid 6784] setpgid(0, 0 [pid 6783] <... close resumed>) = 0 [pid 6782] <... futex resumed>) = 0 [pid 6780] close(19 [pid 6785] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6784] <... setpgid resumed>) = 0 [pid 6783] read(200, [pid 6782] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6786] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6785] <... prctl resumed>) = 0 [pid 6784] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6783] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 6786] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] setpgid(0, 0 [pid 6784] <... symlink resumed>) = 0 [pid 6783] symlink("/dev/binderfs", "./binderfs" [pid 6786] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... setpgid resumed>) = 0 [pid 6784] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6783] <... symlink resumed>) = 0 [pid 6780] close(20 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6786] <... futex resumed>) = 1 [pid 6785] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6784] <... symlink resumed>) = 0 [pid 6783] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] <... futex resumed>) = 0 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6787 attached [pid 6786] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6785] <... symlink resumed>) = 0 [pid 6784] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6783] <... futex resumed>) = 0 [pid 6782] close(3 [pid 6780] close(21 [pid 6787] set_robust_list(0x5555562645e0, 24 [pid 6785] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6784] <... symlink resumed>) = 0 [pid 6783] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... set_robust_list resumed>) = 0 [pid 6785] <... symlink resumed>) = 0 [pid 6784] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6783] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6782] close(4 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 514 [pid 6787] chdir("./256" [pid 6785] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6784] <... openat resumed>) = 3 [pid 6783] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... chdir resumed>) = 0 [pid 6785] <... symlink resumed>) = 0 [pid 6784] write(3, "1000", 4 [pid 6783] <... mprotect resumed>) = 0 [pid 6782] close(5 [pid 6780] close(22 [pid 6787] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6785] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6784] <... write resumed>) = 4 [pid 6783] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6788 attached [pid 6787] <... prctl resumed>) = 0 [pid 6785] <... openat resumed>) = 3 [pid 6784] close(3 [pid 6782] close(6 [pid 6780] close(23 [pid 6788] set_robust_list(0x7fa7c8c309e0, 24 [pid 6787] setpgid(0, 0 [pid 6785] write(3, "1000", 4 [pid 6784] <... close resumed>) = 0 [pid 6783] <... clone resumed>, parent_tid=[507], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 507 [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6788] <... set_robust_list resumed>) = 0 [pid 6787] <... setpgid resumed>) = 0 [pid 6785] <... write resumed>) = 4 [pid 6784] read(200, [pid 6783] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6782] close(7 [pid 6780] close(24 [pid 6788] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6787] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6785] close(3 [pid 6784] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] <... futex resumed>) = 0 [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6788] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... symlink resumed>) = 0 [pid 6785] <... close resumed>) = 0 [pid 6784] symlink("/dev/binderfs", "./binderfs" [pid 6783] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6780] close(25 [pid 6782] close(8 [pid 6788] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6785] read(200, [pid 6784] <... symlink resumed>) = 0 [pid 6783] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6788] <... futex resumed>) = 0 [pid 6787] <... symlink resumed>) = 0 [pid 6785] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6784] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] close(3 [pid 6782] close(9 [pid 6780] close(26 [pid 6788] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6785] symlink("/dev/binderfs", "./binderfs" [pid 6784] <... futex resumed>) = 0 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... symlink resumed>) = 0 [pid 6785] <... symlink resumed>) = 0 [pid 6784] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6783] close(4 [pid 6782] close(10 [pid 6780] close(27 [pid 6787] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6785] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... openat resumed>) = 3 [pid 6785] <... futex resumed>) = 0 [pid 6784] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6783] close(5 [pid 6782] close(11 [pid 6787] write(3, "1000", 4 [pid 6785] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6784] <... mprotect resumed>) = 0 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... write resumed>) = 4 [pid 6785] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6784] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6783] close(6 [pid 6782] close(12./strace-static-x86_64: Process 6789 attached [pid 6787] close(3 [pid 6785] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] close(28 [pid 6789] set_robust_list(0x7fa7c8c309e0, 24 [pid 6787] <... close resumed>) = 0 [pid 6785] <... mprotect resumed>) = 0 [pid 6784] <... clone resumed>, parent_tid=[495], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 495 [pid 6783] close(7 [pid 6782] close(13 [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6789] <... set_robust_list resumed>) = 0 [pid 6787] read(200, [pid 6785] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6784] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] close(29 [pid 6789] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6787] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6784] <... futex resumed>) = 0 [pid 6783] close(8 [pid 6782] close(14./strace-static-x86_64: Process 6790 attached [pid 6789] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] symlink("/dev/binderfs", "./binderfs" [pid 6785] <... clone resumed>, parent_tid=[519], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 519 [pid 6784] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6780] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6790] set_robust_list(0x7fa7c8c309e0, 24 [pid 6789] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... symlink resumed>) = 0 [pid 6785] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6784] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6783] close(9 [pid 6782] close(15 [pid 6780] exit_group(0 [pid 6790] <... set_robust_list resumed>) = 0 [pid 6789] <... futex resumed>) = 0 [pid 6787] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] <... futex resumed>) = 0 [pid 6784] close(3 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6781] <... futex resumed>) = ? [pid 6780] <... exit_group resumed>) = ? [pid 6790] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6789] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] <... futex resumed>) = 0 [pid 6785] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(10 [pid 6782] close(16 [pid 6781] +++ exited with 0 +++ [pid 6787] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6784] close(4 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6790] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(11 [pid 6782] close(17 [pid 6780] +++ exited with 0 +++ [pid 6787] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6784] close(5 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6790] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... mprotect resumed>) = 0 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(12 [pid 6782] close(18 [pid 6790] <... futex resumed>) = 1 [pid 6787] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6785] <... futex resumed>) = 0 [pid 6784] close(6 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6791 attached [pid 6790] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6785] close(3 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(13 [pid 6782] close(19 [pid 6791] set_robust_list(0x7fa7c8c309e0, 24 [pid 6787] <... clone resumed>, parent_tid=[515], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 515 [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(7 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6791] <... set_robust_list resumed>) = 0 [pid 6787] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6785] close(4 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(14 [pid 6782] close(20 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 6791] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6787] <... futex resumed>) = 0 [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(8 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... restart_syscall resumed>) = 0 [pid 6791] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6785] close(5 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(15 [pid 6782] close(21 [pid 6791] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6787] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(9 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6791] <... futex resumed>) = 0 [pid 6787] close(3 [pid 6785] close(6 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(16 [pid 6782] close(22 [pid 6791] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(10 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6787] close(4 [pid 6785] close(7 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(17 [pid 6782] close(23 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(11 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] close(5 [pid 6785] close(8 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(18 [pid 6782] close(24 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(12 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6787] close(6 [pid 6785] close(9 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(19 [pid 6782] close(25 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(13 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6787] close(7 [pid 6785] close(10 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(20 [pid 6782] close(26 [pid 3486] fstat(3, [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(14 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6787] close(8 [pid 6785] close(11 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(21 [pid 6782] close(27 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(15 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] close(9 [pid 6785] close(12 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(22 [pid 6782] close(28 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(16 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6787] close(10 [pid 6785] close(13 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(23 [pid 6782] close(29 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(17 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] close(11 [pid 6785] close(14 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(24 [pid 6782] exit_group(0 [pid 3486] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6786] <... futex resumed>) = ? [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(18 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6782] <... exit_group resumed>) = ? [pid 6787] close(12 [pid 6786] +++ exited with 0 +++ [pid 6785] close(15 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(25 [pid 6782] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(19 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3486] lstat("./262/binderfs", [pid 6787] close(13 [pid 6785] close(16 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(26 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(20 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6787] close(14 [pid 6785] close(17 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(27 [pid 3486] unlink("./262/binderfs" [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(21 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] close(15 [pid 6785] close(18 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(28 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(22 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6787] close(16 [pid 6785] close(19 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] close(29 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(23 [pid 6783] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6787] close(17 [pid 6785] close(20 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] exit_group(0 [pid 3487] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6788] <... futex resumed>) = ? [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(24 [pid 6783] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6788] +++ exited with 0 +++ [pid 6787] close(18 [pid 6785] close(21 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6783] +++ exited with 0 +++ [pid 3487] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] lstat("./262/cgroup", [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(25 [pid 6787] close(19 [pid 6785] close(22 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(26 [pid 3487] fstat(3, [pid 3486] unlink("./262/cgroup" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6787] close(20 [pid 6785] close(23 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(27 [pid 3487] getdents64(3, [pid 3486] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... restart_syscall resumed>) = 0 [pid 6787] close(21 [pid 6785] close(24 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(28 [pid 3487] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./262/cgroup.net", [pid 6787] close(22 [pid 6785] close(25 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] close(29 [pid 3487] lstat("./265/binderfs", [pid 3486] unlink("./262/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] close(23 [pid 6785] close(26 [pid 6784] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3483] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] exit_group(0 [pid 3487] unlink("./265/binderfs" [pid 3486] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... openat resumed>) = 3 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] fstat(3, [pid 3487] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./262/cgroup.cpu", [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6789] <... futex resumed>) = ? [pid 6787] close(24 [pid 6785] close(27 [pid 6784] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] getdents64(3, [pid 6789] +++ exited with 0 +++ [pid 3487] lstat("./265/cgroup", [pid 3486] unlink("./262/cgroup.cpu" [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6784] +++ exited with 0 +++ [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3483] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6787] close(25 [pid 3487] unlink("./265/cgroup" [pid 3486] getdents64(3, [pid 6785] close(28 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./252/binderfs", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=494, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6787] close(26 [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 3483] unlink("./252/binderfs" [pid 6787] close(27 [pid 6785] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./265/cgroup.net", [pid 3486] rmdir("./262" [pid 3483] <... unlink resumed>) = 0 [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6790] <... futex resumed>) = ? [pid 6787] close(28 [pid 6785] <... exit_group resumed>) = ? [pid 3487] unlink("./265/cgroup.net" [pid 3486] <... rmdir resumed>) = 0 [pid 3483] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./246", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6790] +++ exited with 0 +++ [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] mkdir("./263", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] close(29 [pid 3487] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 3483] lstat("./252/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6787] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6785] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6787] exit_group(0 [pid 3487] lstat("./265/cgroup.cpu", [pid 3483] unlink("./252/cgroup" [pid 3482] openat(AT_FDCWD, "./246", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6792 attached [pid 6791] <... futex resumed>) = ? [pid 6787] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 528 [pid 3483] <... unlink resumed>) = 0 [pid 6792] set_robust_list(0x5555562645e0, 24 [pid 6791] +++ exited with 0 +++ [pid 3487] unlink("./265/cgroup.cpu" [pid 3483] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6792] <... set_robust_list resumed>) = 0 [pid 6787] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3483] lstat("./252/cgroup.net", [pid 3482] fstat(3, [pid 6792] chdir("./263" [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6792] <... chdir resumed>) = 0 [pid 3487] close(3 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3483] unlink("./252/cgroup.net" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6792] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6792] <... prctl resumed>) = 0 [pid 3487] rmdir("./265" [pid 3484] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 6792] setpgid(0, 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6792] <... setpgid resumed>) = 0 [pid 3487] mkdir("./266", 0777 [pid 3485] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] lstat("./252/cgroup.cpu", [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6792] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] fstat(3, [pid 3483] unlink("./252/cgroup.cpu" [pid 3482] umount2("./246/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6792] <... symlink resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6793 attached [pid 6792] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3485] <... openat resumed>) = 3 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 6793] set_robust_list(0x5555562645e0, 24 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 534 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] getdents64(3, [pid 3482] lstat("./246/binderfs", [pid 6792] <... symlink resumed>) = 0 [pid 3485] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6792] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] unlink("./246/binderfs" [pid 6793] <... set_robust_list resumed>) = 0 [pid 6792] <... symlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6793] chdir("./266" [pid 6792] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 3482] umount2("./246/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6793] <... chdir resumed>) = 0 [pid 6792] <... openat resumed>) = 3 [pid 3485] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6792] write(3, "1000", 4 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./256/binderfs", [pid 3483] <... close resumed>) = 0 [pid 3482] lstat("./246/cgroup", [pid 6793] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6792] <... write resumed>) = 4 [pid 3485] lstat("./258/binderfs", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] rmdir("./252" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6793] <... prctl resumed>) = 0 [pid 6792] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./246/cgroup" [pid 6792] <... close resumed>) = 0 [pid 3485] unlink("./258/binderfs" [pid 3482] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 6792] read(200, [pid 3485] <... unlink resumed>) = 0 [pid 3482] umount2("./246/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6793] setpgid(0, 0 [pid 6792] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./256/binderfs" [pid 3483] mkdir("./253", 0777 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6793] <... setpgid resumed>) = 0 [pid 6792] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./246/cgroup.net", [pid 6793] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6792] <... symlink resumed>) = 0 [pid 3485] lstat("./258/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6792] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./246/cgroup.net" [pid 6792] <... futex resumed>) = 0 [pid 3485] unlink("./258/cgroup" [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6793] <... symlink resumed>) = 0 [pid 6792] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./246/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6793] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6792] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6793] <... symlink resumed>) = 0 [pid 6792] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./246/cgroup.cpu", ./strace-static-x86_64: Process 6794 attached [pid 6792] <... mprotect resumed>) = 0 [pid 3485] lstat("./258/cgroup.net", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6794] set_robust_list(0x5555562645e0, 24 [pid 6793] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6792] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./256/cgroup", [pid 3482] unlink("./246/cgroup.cpu"./strace-static-x86_64: Process 6795 attached [pid 6794] <... set_robust_list resumed>) = 0 [pid 6793] <... symlink resumed>) = 0 [pid 3485] unlink("./258/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 508 [pid 3482] <... unlink resumed>) = 0 [pid 6795] set_robust_list(0x7fa7c8c309e0, 24 [pid 6794] chdir("./253" [pid 6793] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6792] <... clone resumed>, parent_tid=[529], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 529 [pid 3485] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 6795] <... set_robust_list resumed>) = 0 [pid 6792] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6795] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6794] <... chdir resumed>) = 0 [pid 6792] <... futex resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./256/cgroup" [pid 3482] close(3 [pid 6795] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6793] <... openat resumed>) = 3 [pid 6792] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] lstat("./258/cgroup.cpu", [pid 3482] <... close resumed>) = 0 [pid 6795] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... prctl resumed>) = 0 [pid 6793] write(3, "1000", 4 [pid 6792] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] <... unlink resumed>) = 0 [pid 6795] <... futex resumed>) = 0 [pid 6794] setpgid(0, 0 [pid 6793] <... write resumed>) = 4 [pid 6792] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./246" [pid 6795] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6794] <... setpgid resumed>) = 0 [pid 6793] close(3 [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6793] <... close resumed>) = 0 [pid 3485] unlink("./258/cgroup.cpu" [pid 3484] lstat("./256/cgroup.net", [pid 6794] <... symlink resumed>) = 0 [pid 6793] read(200, [pid 6792] close(4 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6794] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6793] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./256/cgroup.net" [pid 6794] <... symlink resumed>) = 0 [pid 6793] symlink("/dev/binderfs", "./binderfs" [pid 6792] close(5 [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 3482] mkdir("./247", 0777 [pid 6794] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6793] <... symlink resumed>) = 0 [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6794] <... symlink resumed>) = 0 [pid 6793] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] close(6 [pid 3485] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... mkdir resumed>) = 0 [pid 6794] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6793] <... futex resumed>) = 0 [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] lstat("./256/cgroup.cpu", [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6794] <... openat resumed>) = 3 [pid 6793] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6792] close(7 [pid 3485] rmdir("./258" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6794] write(3, "1000", 4 [pid 6793] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3484] unlink("./256/cgroup.cpu" [pid 6794] <... write resumed>) = 4 [pid 6793] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6796 attached [pid 6794] close(3 [pid 6793] <... mprotect resumed>) = 0 [pid 6792] close(8 [pid 3484] getdents64(3, [pid 6796] set_robust_list(0x5555562645e0, 24 [pid 6794] <... close resumed>) = 0 [pid 6793] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6797 attached [pid 6796] <... set_robust_list resumed>) = 0 [pid 6794] read(200, [pid 3484] close(3 [pid 6797] set_robust_list(0x7fa7c8c309e0, 24 [pid 6796] chdir("./247" [pid 6794] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] <... clone resumed>, parent_tid=[535], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 535 [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./259", 0777 [pid 3484] <... close resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 496 [pid 6797] <... set_robust_list resumed>) = 0 [pid 6796] <... chdir resumed>) = 0 [pid 6794] symlink("/dev/binderfs", "./binderfs" [pid 6793] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6792] close(9 [pid 3484] rmdir("./256" [pid 6797] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6796] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6794] <... symlink resumed>) = 0 [pid 6793] <... futex resumed>) = 0 [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 6797] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... prctl resumed>) = 0 [pid 6794] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6792] close(10 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] mkdir("./257", 0777./strace-static-x86_64: Process 6798 attached [pid 6797] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] setpgid(0, 0 [pid 6794] <... futex resumed>) = 0 [pid 6793] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 6798] set_robust_list(0x5555562645e0, 24 [pid 6797] <... futex resumed>) = 0 [pid 6796] <... setpgid resumed>) = 0 [pid 6794] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6793] close(3 [pid 6792] close(11 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6799 attached [pid 6798] <... set_robust_list resumed>) = 0 [pid 6797] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6796] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6794] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 520 [pid 6799] set_robust_list(0x5555562645e0, 24 [pid 6798] chdir("./259" [pid 6796] <... symlink resumed>) = 0 [pid 6794] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6793] close(4 [pid 6792] close(12 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 516 [pid 6799] <... set_robust_list resumed>) = 0 [pid 6798] <... chdir resumed>) = 0 [pid 6796] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6794] <... mprotect resumed>) = 0 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] chdir("./257" [pid 6798] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6796] <... symlink resumed>) = 0 [pid 6794] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6793] close(5 [pid 6792] close(13./strace-static-x86_64: Process 6800 attached [pid 6799] <... chdir resumed>) = 0 [pid 6796] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6798] <... prctl resumed>) = 0 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6800] set_robust_list(0x7fa7c8c309e0, 24 [pid 6799] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6798] setpgid(0, 0 [pid 6796] <... symlink resumed>) = 0 [pid 6794] <... clone resumed>, parent_tid=[509], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 509 [pid 6793] close(6 [pid 6792] close(14 [pid 6800] <... set_robust_list resumed>) = 0 [pid 6799] <... prctl resumed>) = 0 [pid 6798] <... setpgid resumed>) = 0 [pid 6796] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6794] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6800] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6799] setpgid(0, 0 [pid 6798] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6796] <... openat resumed>) = 3 [pid 6794] <... futex resumed>) = 0 [pid 6793] close(7 [pid 6792] close(15 [pid 6800] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... setpgid resumed>) = 0 [pid 6798] <... symlink resumed>) = 0 [pid 6796] write(3, "1000", 4 [pid 6794] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6800] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6792] close(16 [pid 6800] <... futex resumed>) = 1 [pid 6799] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6798] <... symlink resumed>) = 0 [pid 6796] <... write resumed>) = 4 [pid 6794] <... futex resumed>) = 0 [pid 6793] close(8 [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6800] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6796] close(3 [pid 6792] close(17 [pid 6799] <... symlink resumed>) = 0 [pid 6798] <... symlink resumed>) = 0 [pid 6794] close(3 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6796] <... close resumed>) = 0 [pid 6793] close(9 [pid 6792] close(18 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6798] <... openat resumed>) = 3 [pid 6796] read(200, [pid 6794] close(4 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... symlink resumed>) = 0 [pid 6798] write(3, "1000", 4 [pid 6796] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6793] close(10 [pid 6792] close(19 [pid 6799] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6798] <... write resumed>) = 4 [pid 6796] symlink("/dev/binderfs", "./binderfs" [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... symlink resumed>) = 0 [pid 6798] close(3 [pid 6796] <... symlink resumed>) = 0 [pid 6794] close(5 [pid 6793] close(11 [pid 6792] close(20 [pid 6799] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6798] <... close resumed>) = 0 [pid 6796] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... openat resumed>) = 3 [pid 6798] read(200, [pid 6796] <... futex resumed>) = 0 [pid 6794] close(6 [pid 6793] close(12 [pid 6792] close(21 [pid 6799] write(3, "1000", 4 [pid 6798] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6796] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... write resumed>) = 4 [pid 6798] symlink("/dev/binderfs", "./binderfs" [pid 6796] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6794] close(7 [pid 6793] close(13 [pid 6792] close(22 [pid 6799] close(3 [pid 6798] <... symlink resumed>) = 0 [pid 6796] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... close resumed>) = 0 [pid 6798] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... mprotect resumed>) = 0 [pid 6793] close(14 [pid 6792] close(23 [pid 6794] close(8 [pid 6799] read(200, [pid 6798] <... futex resumed>) = 0 [pid 6796] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6801 attached [pid 6799] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6798] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6794] close(9 [pid 6793] close(15 [pid 6792] close(24 [pid 6801] set_robust_list(0x7fa7c8c309e0, 24 [pid 6799] symlink("/dev/binderfs", "./binderfs" [pid 6798] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6796] <... clone resumed>, parent_tid=[497], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 497 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6801] <... set_robust_list resumed>) = 0 [pid 6798] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6796] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6793] close(16 [pid 6792] close(25 [pid 6799] <... symlink resumed>) = 0 [pid 6801] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6798] <... mprotect resumed>) = 0 [pid 6796] <... futex resumed>) = 0 [pid 6794] close(10 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6801] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6796] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6799] <... futex resumed>) = 0 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] close(17 [pid 6792] close(26./strace-static-x86_64: Process 6802 attached [pid 6801] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6799] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6796] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6794] close(11 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] set_robust_list(0x7fa7c8c309e0, 24 [pid 6801] <... futex resumed>) = 0 [pid 6799] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6798] <... clone resumed>, parent_tid=[521], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 521 [pid 6796] close(3 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] close(18 [pid 6792] close(27 [pid 6801] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6798] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] <... set_robust_list resumed>) = 0 [pid 6799] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6798] <... futex resumed>) = 0 [pid 6796] close(4 [pid 6794] close(12 [pid 6793] close(19 [pid 6792] close(28 [pid 6802] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6799] <... mprotect resumed>) = 0 [pid 6798] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6802] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6796] close(5 [pid 6794] close(13 [pid 6793] close(20 [pid 6792] close(29./strace-static-x86_64: Process 6803 attached [pid 6802] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6803] set_robust_list(0x7fa7c8c309e0, 24 [pid 6802] <... futex resumed>) = 1 [pid 6799] <... clone resumed>, parent_tid=[517], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 517 [pid 6798] <... futex resumed>) = 0 [pid 6796] close(6 [pid 6794] close(14 [pid 6793] close(21 [pid 6792] exit_group(0 [pid 6803] <... set_robust_list resumed>) = 0 [pid 6802] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] close(3 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6795] <... futex resumed>) = ? [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6792] <... exit_group resumed>) = ? [pid 6803] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6799] <... futex resumed>) = 0 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] close(7 [pid 6795] +++ exited with 0 +++ [pid 6794] close(15 [pid 6793] close(22 [pid 6792] +++ exited with 0 +++ [pid 6803] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6798] close(4 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6803] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] close(8 [pid 6794] close(16 [pid 6793] close(23 [pid 6803] <... futex resumed>) = 1 [pid 6799] <... futex resumed>) = 0 [pid 6798] close(5 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6803] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6799] close(3 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] close(9 [pid 6794] close(17 [pid 6793] close(24 [pid 3486] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] close(6 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] close(4 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] close(10 [pid 6794] close(18 [pid 6793] close(25 [pid 3486] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] close(7 [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6799] close(5 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] close(19 [pid 3486] fstat(3, [pid 6798] close(8 [pid 6796] close(11 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] close(26 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] close(20 [pid 3486] getdents64(3, [pid 6799] close(6 [pid 6798] close(9 [pid 6796] close(12 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] close(21 [pid 6793] close(27 [pid 3486] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] close(7 [pid 6798] close(10 [pid 6796] close(13 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6794] close(22 [pid 6799] close(8 [pid 6798] close(11 [pid 6796] close(14 [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./263/binderfs", [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] close(23 [pid 6793] close(29 [pid 6799] close(9 [pid 6798] close(12 [pid 6796] close(15 [pid 6793] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6793] exit_group(0 [pid 3486] unlink("./263/binderfs" [pid 6799] close(10 [pid 6798] close(13 [pid 6797] <... futex resumed>) = ? [pid 6796] close(16 [pid 6794] close(24 [pid 6793] <... exit_group resumed>) = ? [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] close(11 [pid 6798] close(14 [pid 6796] close(17 [pid 3486] <... unlink resumed>) = 0 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] close(12 [pid 6798] close(15 [pid 6796] close(18 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6799] close(13 [pid 6798] close(16 [pid 6796] close(19 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] close(14 [pid 6798] close(17 [pid 6797] +++ exited with 0 +++ [pid 6796] close(20 [pid 6794] close(25 [pid 6793] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] lstat("./263/cgroup", [pid 6799] close(15 [pid 6798] close(18 [pid 6796] close(21 [pid 6794] close(26 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6799] close(16 [pid 6798] close(19 [pid 6796] close(22 [pid 6794] close(27 [pid 3487] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./263/cgroup" [pid 6799] close(17 [pid 6798] close(20 [pid 6796] close(23 [pid 6794] close(28 [pid 3487] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] <... unlink resumed>) = 0 [pid 6799] close(18 [pid 6798] close(21 [pid 6796] close(24 [pid 6794] close(29 [pid 3487] fstat(3, [pid 3486] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6799] close(19 [pid 6798] close(22 [pid 6796] close(25 [pid 6794] exit_group(0 [pid 3487] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6800] <... futex resumed>) = ? [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] lstat("./263/cgroup.net", [pid 6800] +++ exited with 0 +++ [pid 6799] close(20 [pid 6798] close(23 [pid 6796] close(26 [pid 3487] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] close(21 [pid 6798] close(24 [pid 6796] close(27 [pid 3487] lstat("./266/binderfs", [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6794] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6799] close(22 [pid 6798] close(25 [pid 6796] close(28 [pid 3487] unlink("./266/binderfs" [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] unlink("./263/cgroup.net" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6799] close(23 [pid 6798] close(26 [pid 6796] close(29 [pid 3487] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] close(24 [pid 6798] close(27 [pid 6796] exit_group(0 [pid 3487] lstat("./266/cgroup", [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6801] <... futex resumed>) = ? [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6796] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] lstat("./263/cgroup.cpu", [pid 3483] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6801] +++ exited with 0 +++ [pid 6799] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./263/cgroup.cpu" [pid 3483] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] close(28 [pid 3487] unlink("./266/cgroup" [pid 3486] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 6799] close(26 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3483] fstat(3, [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] close(29 [pid 6796] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6799] close(27 [pid 6798] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=496, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3486] <... close resumed>) = 0 [pid 6802] <... futex resumed>) = ? [pid 6799] close(28 [pid 6798] <... exit_group resumed>) = ? [pid 3487] lstat("./266/cgroup.net", [pid 3486] rmdir("./263" [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6802] +++ exited with 0 +++ [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6798] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3483] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./247", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6799] close(29 [pid 3487] unlink("./266/cgroup.net" [pid 3486] mkdir("./264", 0777 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6799] exit_group(0 [pid 3487] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./247", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6803] <... futex resumed>) = ? [pid 6799] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] lstat("./253/binderfs", [pid 3482] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6804 attached [pid 6803] +++ exited with 0 +++ [pid 6799] +++ exited with 0 +++ [pid 3487] lstat("./266/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] fstat(3, [pid 6804] set_robust_list(0x5555562645e0, 24 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 530 [pid 3485] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] unlink("./253/binderfs" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6804] <... set_robust_list resumed>) = 0 [pid 3487] unlink("./266/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 6804] chdir("./264" [pid 3485] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6804] <... chdir resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6804] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] getdents64(3, [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./253/cgroup", [pid 6804] <... prctl resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./247/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6804] setpgid(0, 0 [pid 3487] close(3 [pid 3485] getdents64(3, [pid 3484] <... openat resumed>) = 3 [pid 3483] unlink("./253/cgroup" [pid 6804] <... setpgid resumed>) = 0 [pid 3487] <... close resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] fstat(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6804] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3487] rmdir("./266" [pid 3485] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./247/binderfs", [pid 6804] <... symlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./259/binderfs", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./253/cgroup.net", [pid 6804] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./259/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./253/cgroup.net" [pid 6804] <... symlink resumed>) = 0 [pid 3487] mkdir("./267", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./257/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./247/binderfs" [pid 6804] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3487] <... mkdir resumed>) = 0 [pid 3485] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6804] <... symlink resumed>) = 0 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./247/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6805 attached [pid 6804] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] set_robust_list(0x5555562645e0, 24 [pid 6804] <... openat resumed>) = 3 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 536 [pid 3482] lstat("./247/cgroup", [pid 6805] <... set_robust_list resumed>) = 0 [pid 6804] write(3, "1000", 4 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./257/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6805] chdir("./267" [pid 6804] <... write resumed>) = 4 [pid 3485] lstat("./259/cgroup", [pid 3482] unlink("./247/cgroup" [pid 6805] <... chdir resumed>) = 0 [pid 6804] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./253/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 6805] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6804] <... close resumed>) = 0 [pid 3485] unlink("./259/cgroup" [pid 3484] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./247/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6805] <... prctl resumed>) = 0 [pid 6804] read(200, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] setpgid(0, 0 [pid 6804] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./253/cgroup.cpu" [pid 3482] lstat("./247/cgroup.net", [pid 6805] <... setpgid resumed>) = 0 [pid 6804] symlink("/dev/binderfs", "./binderfs" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6805] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6804] <... symlink resumed>) = 0 [pid 3485] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./257/cgroup", [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./247/cgroup.net" [pid 6805] <... symlink resumed>) = 0 [pid 6804] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 6805] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6804] <... futex resumed>) = 0 [pid 3482] umount2("./247/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6805] <... symlink resumed>) = 0 [pid 6804] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] lstat("./259/cgroup.net", [pid 3484] unlink("./257/cgroup" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6805] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6804] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./247/cgroup.cpu", [pid 6805] <... symlink resumed>) = 0 [pid 6804] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] unlink("./259/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 3483] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6805] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6804] <... mprotect resumed>) = 0 [pid 3482] unlink("./247/cgroup.cpu" [pid 6805] <... openat resumed>) = 3 [pid 6804] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6806 attached [pid 6805] write(3, "1000", 4 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] rmdir("./253" [pid 3482] getdents64(3, [pid 6806] set_robust_list(0x7fa7c8c309e0, 24 [pid 6805] <... write resumed>) = 4 [pid 6804] <... clone resumed>, parent_tid=[531], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 531 [pid 3484] lstat("./257/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6806] <... set_robust_list resumed>) = 0 [pid 6805] close(3 [pid 6804] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] close(3 [pid 6806] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6805] <... close resumed>) = 0 [pid 6804] <... futex resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6806] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] read(200, [pid 6804] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] lstat("./259/cgroup.cpu", [pid 3483] <... rmdir resumed>) = 0 [pid 3482] rmdir("./247" [pid 6806] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6804] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] mkdir("./254", 0777 [pid 3482] <... rmdir resumed>) = 0 [pid 6806] <... futex resumed>) = 0 [pid 6805] symlink("/dev/binderfs", "./binderfs" [pid 6804] close(3 [pid 3482] mkdir("./248", 0777 [pid 6806] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6805] <... symlink resumed>) = 0 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./259/cgroup.cpu" [pid 3484] unlink("./257/cgroup.net" [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6805] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] close(4 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6807 attached [pid 6805] <... futex resumed>) = 0 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 6807] set_robust_list(0x5555562645e0, 24 [pid 6805] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6804] close(5 [pid 3484] <... unlink resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 498 [pid 6807] <... set_robust_list resumed>) = 0 [pid 6805] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 6807] chdir("./248" [pid 6805] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6804] close(6 [pid 3484] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6808 attached [pid 6807] <... chdir resumed>) = 0 [pid 6805] <... mprotect resumed>) = 0 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6808] set_robust_list(0x5555562645e0, 24 [pid 6807] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6805] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6804] close(7./strace-static-x86_64: Process 6809 attached [pid 6808] <... set_robust_list resumed>) = 0 [pid 6807] <... prctl resumed>) = 0 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] lstat("./257/cgroup.cpu", [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 510 [pid 6809] set_robust_list(0x7fa7c8c309e0, 24 [pid 6808] chdir("./254" [pid 6807] setpgid(0, 0 [pid 6805] <... clone resumed>, parent_tid=[537], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 537 [pid 6804] close(8 [pid 6809] <... set_robust_list resumed>) = 0 [pid 6808] <... chdir resumed>) = 0 [pid 6807] <... setpgid resumed>) = 0 [pid 6805] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6809] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6808] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6807] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6805] <... futex resumed>) = 0 [pid 6804] close(9 [pid 3485] rmdir("./259" [pid 3484] unlink("./257/cgroup.cpu" [pid 6809] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... prctl resumed>) = 0 [pid 6807] <... symlink resumed>) = 0 [pid 6805] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] setpgid(0, 0 [pid 6807] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6804] close(10 [pid 6808] <... setpgid resumed>) = 0 [pid 6807] <... symlink resumed>) = 0 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 6809] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6807] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6804] close(11 [pid 3484] <... unlink resumed>) = 0 [pid 6809] <... futex resumed>) = 1 [pid 6808] <... symlink resumed>) = 0 [pid 6807] <... symlink resumed>) = 0 [pid 6805] <... futex resumed>) = 0 [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./260", 0777 [pid 3484] getdents64(3, [pid 6809] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6808] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6807] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6805] close(3 [pid 6804] close(12 [pid 6808] <... symlink resumed>) = 0 [pid 6807] <... openat resumed>) = 3 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6807] write(3, "1000", 4 [pid 6805] close(4 [pid 6804] close(13 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6808] <... symlink resumed>) = 0 [pid 6807] <... write resumed>) = 4 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6807] close(3 [pid 6805] close(5 [pid 6804] close(14 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] close(3 [pid 6808] <... openat resumed>) = 3 [pid 6807] <... close resumed>) = 0 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] write(3, "1000", 4 [pid 6807] read(200, [pid 6805] close(6 [pid 6804] close(15./strace-static-x86_64: Process 6810 attached [pid 6808] <... write resumed>) = 4 [pid 6807] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 6810] set_robust_list(0x5555562645e0, 24 [pid 6808] close(3 [pid 6807] symlink("/dev/binderfs", "./binderfs" [pid 6805] close(7 [pid 6804] close(16 [pid 3484] rmdir("./257" [pid 6810] <... set_robust_list resumed>) = 0 [pid 6808] <... close resumed>) = 0 [pid 6807] <... symlink resumed>) = 0 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 522 [pid 6810] chdir("./260" [pid 6808] read(200, [pid 6807] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] close(8 [pid 6804] close(17 [pid 6810] <... chdir resumed>) = 0 [pid 6808] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6807] <... futex resumed>) = 0 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 6810] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6808] symlink("/dev/binderfs", "./binderfs" [pid 6807] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6805] close(9 [pid 6804] close(18 [pid 3484] mkdir("./258", 0777 [pid 6810] <... prctl resumed>) = 0 [pid 6808] <... symlink resumed>) = 0 [pid 6807] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] setpgid(0, 0 [pid 6808] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6805] close(10 [pid 6804] close(19 [pid 6810] <... setpgid resumed>) = 0 [pid 6808] <... futex resumed>) = 0 [pid 6807] <... mprotect resumed>) = 0 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6808] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6807] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6805] close(11 [pid 6804] close(20 [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6811 attached [pid 6810] <... symlink resumed>) = 0 [pid 6808] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6811] set_robust_list(0x7fa7c8c309e0, 24 [pid 6810] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6808] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6807] <... clone resumed>, parent_tid=[499], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 499 [pid 6805] close(12 [pid 6804] close(21 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6812 attached [pid 6811] <... set_robust_list resumed>) = 0 [pid 6810] <... symlink resumed>) = 0 [pid 6808] <... mprotect resumed>) = 0 [pid 6807] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] set_robust_list(0x5555562645e0, 24 [pid 6811] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6810] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6808] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6807] <... futex resumed>) = 0 [pid 6805] close(13 [pid 6804] close(22 [pid 6812] <... set_robust_list resumed>) = 0 [pid 6811] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... symlink resumed>) = 0 [pid 6807] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 518 [pid 6812] chdir("./258" [pid 6811] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6808] <... clone resumed>, parent_tid=[511], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 511 [pid 6807] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6805] close(14 [pid 6804] close(23./strace-static-x86_64: Process 6813 attached [pid 6812] <... chdir resumed>) = 0 [pid 6811] <... futex resumed>) = 0 [pid 6810] <... openat resumed>) = 3 [pid 6808] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6807] close(3 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6813] set_robust_list(0x7fa7c8c309e0, 24 [pid 6812] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6811] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6810] write(3, "1000", 4 [pid 6808] <... futex resumed>) = 0 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(15 [pid 6804] close(24 [pid 6813] <... set_robust_list resumed>) = 0 [pid 6812] <... prctl resumed>) = 0 [pid 6810] <... write resumed>) = 4 [pid 6808] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6807] close(4 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6813] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6812] setpgid(0, 0 [pid 6810] close(3 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(16 [pid 6804] close(25 [pid 6813] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] <... setpgid resumed>) = 0 [pid 6810] <... close resumed>) = 0 [pid 6807] close(5 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6813] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6810] read(200, [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(17 [pid 6804] close(26 [pid 6813] <... futex resumed>) = 1 [pid 6812] <... symlink resumed>) = 0 [pid 6810] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6808] <... futex resumed>) = 0 [pid 6807] close(6 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6813] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6810] symlink("/dev/binderfs", "./binderfs" [pid 6808] close(3 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(18 [pid 6804] close(27 [pid 6812] <... symlink resumed>) = 0 [pid 6810] <... symlink resumed>) = 0 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(7 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6810] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] close(4 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(19 [pid 6804] close(28 [pid 6812] <... symlink resumed>) = 0 [pid 6810] <... futex resumed>) = 0 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(8 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6810] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6808] close(5 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(20 [pid 6804] close(29 [pid 6812] <... openat resumed>) = 3 [pid 6810] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(9 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] write(3, "1000", 4 [pid 6810] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6808] close(6 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(21 [pid 6804] exit_group(0 [pid 6812] <... write resumed>) = 4 [pid 6810] <... mprotect resumed>) = 0 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(10 [pid 6806] <... futex resumed>) = ? [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6804] <... exit_group resumed>) = ? [pid 6812] close(3 [pid 6810] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6808] close(7 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6806] +++ exited with 0 +++ [pid 6805] close(22 [pid 6804] +++ exited with 0 +++ ./strace-static-x86_64: Process 6814 attached [pid 6812] <... close resumed>) = 0 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(11 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 6814] set_robust_list(0x7fa7c8c309e0, 24 [pid 6812] read(200, [pid 6810] <... clone resumed>, parent_tid=[523], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 523 [pid 6808] close(8 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(23 [pid 6814] <... set_robust_list resumed>) = 0 [pid 6812] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(12 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6812] symlink("/dev/binderfs", "./binderfs" [pid 6810] <... futex resumed>) = 0 [pid 6808] close(9 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(24 [pid 6814] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] <... symlink resumed>) = 0 [pid 6810] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(13 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6808] close(10 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(25 [pid 6814] <... futex resumed>) = 0 [pid 6812] <... futex resumed>) = 0 [pid 6810] close(3 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(14 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6814] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] close(11 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(26 [pid 6812] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6810] close(4 [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(15 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6812] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6812] <... mprotect resumed>) = 0 [pid 6810] close(5 [pid 6808] close(12 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(27 [pid 3486] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6812] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(16 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6815 attached [pid 6810] close(6 [pid 6808] close(13 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(28 [pid 3486] fstat(3, [pid 6815] set_robust_list(0x7fa7c8c309e0, 24 [pid 6812] <... clone resumed>, parent_tid=[519], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 519 [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(17 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6815] <... set_robust_list resumed>) = 0 [pid 6812] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6810] close(7 [pid 6808] close(14 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] close(29 [pid 3486] getdents64(3, [pid 6815] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6812] <... futex resumed>) = 0 [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(18 [pid 6805] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6815] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6810] close(8 [pid 6808] close(15 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6805] exit_group(0 [pid 3486] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6815] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6812] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(19 [pid 6805] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6809] <... futex resumed>) = ? [pid 6815] <... futex resumed>) = 0 [pid 6812] close(3 [pid 6810] close(9 [pid 6808] close(16 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./264/binderfs", [pid 6815] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(20 [pid 6812] close(4 [pid 6810] close(10 [pid 6808] close(17 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(21 [pid 6812] close(5 [pid 6810] close(11 [pid 6808] close(18 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./264/binderfs" [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6809] +++ exited with 0 +++ [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(22 [pid 6805] +++ exited with 0 +++ [pid 6812] close(6 [pid 6810] close(12 [pid 6808] close(19 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] <... unlink resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(23 [pid 3486] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6812] close(7 [pid 6810] close(13 [pid 6808] close(20 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(24 [pid 3487] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6812] close(8 [pid 6810] close(14 [pid 6808] close(21 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./264/cgroup", [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(25 [pid 3487] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6812] close(9 [pid 6810] close(15 [pid 6808] close(22 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(26 [pid 3487] fstat(3, [pid 6812] close(10 [pid 6810] close(16 [pid 6808] close(23 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] unlink("./264/cgroup" [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(27 [pid 3487] getdents64(3, [pid 6812] close(11 [pid 6810] close(17 [pid 6808] close(24 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(28 [pid 3487] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 6812] close(12 [pid 6810] close(18 [pid 6808] close(25 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] close(29 [pid 3487] lstat("./267/binderfs", [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6812] close(13 [pid 6810] close(19 [pid 6808] close(26 [pid 6807] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6807] exit_group(0 [pid 3487] unlink("./267/binderfs" [pid 3486] lstat("./264/cgroup.net", [pid 6812] close(14 [pid 6811] <... futex resumed>) = ? [pid 6810] close(20 [pid 6808] close(27 [pid 6807] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6811] +++ exited with 0 +++ [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6812] close(15 [pid 6810] close(21 [pid 6808] close(28 [pid 6807] +++ exited with 0 +++ [pid 3487] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./264/cgroup.net" [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 6812] close(16 [pid 6810] close(22 [pid 6808] close(29 [pid 3487] lstat("./267/cgroup", [pid 3486] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=498, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6812] close(17 [pid 6810] close(23 [pid 6808] exit_group(0 [pid 3487] unlink("./267/cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... restart_syscall resumed>) = 0 [pid 6813] <... futex resumed>) = ? [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6808] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./264/cgroup.cpu", [pid 6813] +++ exited with 0 +++ [pid 6812] close(18 [pid 6810] close(24 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./264/cgroup.cpu") = 0 [pid 3486] getdents64(3, [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] umount2("./248", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6812] close(19 [pid 6810] close(25 [pid 6808] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] close(3 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./267/cgroup.net", [pid 3486] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6812] close(20 [pid 6810] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] rmdir("./264" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./267/cgroup.net" [pid 3486] <... rmdir resumed>) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3482] openat(AT_FDCWD, "./248", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6812] close(21 [pid 6810] close(27 [pid 3487] <... unlink resumed>) = 0 [pid 3486] mkdir("./265", 0777 [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 6812] close(22 [pid 6810] close(28 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./267/cgroup.cpu", [pid 3486] <... mkdir resumed>) = 0 [pid 3482] getdents64(3, [pid 6812] close(23 [pid 6810] close(29 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6816 attached [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./267/cgroup.cpu" [pid 3483] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6816] set_robust_list(0x5555562645e0, 24 [pid 6812] close(24 [pid 6810] exit_group(0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 532 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] <... set_robust_list resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 6814] <... futex resumed>) = ? [pid 3483] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./248/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] chdir("./265" [pid 6812] close(25 [pid 3483] <... openat resumed>) = 3 [pid 6816] <... chdir resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] fstat(3, [pid 6816] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6812] close(26 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6816] <... prctl resumed>) = 0 [pid 6814] +++ exited with 0 +++ [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6810] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] setpgid(0, 0 [pid 6812] close(27 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] lstat("./248/binderfs", [pid 6816] <... setpgid resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3483] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6812] close(28 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6816] <... symlink resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3483] lstat("./254/binderfs", [pid 6816] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6812] close(29 [pid 3487] rmdir("./267" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./248/binderfs" [pid 6816] <... symlink resumed>) = 0 [pid 6812] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./254/binderfs" [pid 6816] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6812] exit_group(0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 6816] <... symlink resumed>) = 0 [pid 6812] <... exit_group resumed>) = ? [pid 3485] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6816] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6815] <... futex resumed>) = ? [pid 3487] mkdir("./268", 0777 [pid 3485] <... openat resumed>) = 3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] <... openat resumed>) = 3 [pid 3485] fstat(3, [pid 3483] lstat("./254/cgroup", [pid 3482] umount2("./248/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6816] write(3, "1000", 4 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6816] <... write resumed>) = 4 [pid 3485] getdents64(3, [pid 3483] unlink("./254/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] close(3 [pid 6815] +++ exited with 0 +++ [pid 6812] +++ exited with 0 +++ [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... unlink resumed>) = 0 [pid 6816] <... close resumed>) = 0 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./248/cgroup", [pid 6816] read(200, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] lstat("./260/binderfs", [pid 3483] lstat("./254/cgroup.net", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6817 attached [pid 6816] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6817] set_robust_list(0x5555562645e0, 24 [pid 6816] <... symlink resumed>) = 0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 538 [pid 3485] unlink("./260/binderfs" [pid 3483] unlink("./254/cgroup.net" [pid 3482] unlink("./248/cgroup" [pid 6817] <... set_robust_list resumed>) = 0 [pid 6816] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6817] chdir("./268" [pid 6816] <... futex resumed>) = 0 [pid 3485] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6817] <... chdir resumed>) = 0 [pid 6816] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6817] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6816] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] lstat("./260/cgroup", [pid 3484] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./254/cgroup.cpu", [pid 6817] <... prctl resumed>) = 0 [pid 6816] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6817] setpgid(0, 0 [pid 6816] <... mprotect resumed>) = 0 [pid 3485] unlink("./260/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./254/cgroup.cpu" [pid 3482] umount2("./248/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6817] <... setpgid resumed>) = 0 [pid 6816] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3485] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6818 attached [pid 6817] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3485] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6818] set_robust_list(0x7fa7c8c309e0, 24 [pid 6817] <... symlink resumed>) = 0 [pid 6816] <... clone resumed>, parent_tid=[533], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 533 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] lstat("./248/cgroup.net", [pid 6818] <... set_robust_list resumed>) = 0 [pid 6817] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6816] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] lstat("./260/cgroup.net", [pid 3484] fstat(3, [pid 3483] close(3 [pid 6818] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6817] <... symlink resumed>) = 0 [pid 6816] <... futex resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6818] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6816] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] unlink("./260/cgroup.net" [pid 3483] rmdir("./254" [pid 6818] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... symlink resumed>) = 0 [pid 6816] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... rmdir resumed>) = 0 [pid 3482] unlink("./248/cgroup.net" [pid 6818] <... futex resumed>) = 0 [pid 6817] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6816] close(3 [pid 3485] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] mkdir("./255", 0777 [pid 6818] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6817] <... openat resumed>) = 3 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./248/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./258/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6816] close(4 [pid 6817] write(3, "1000", 4 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] lstat("./248/cgroup.cpu", [pid 3485] lstat("./260/cgroup.cpu", [pid 6817] <... write resumed>) = 4 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./258/binderfs" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6819 attached [pid 6817] close(3 [pid 6816] close(5 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6819] set_robust_list(0x5555562645e0, 24 [pid 6817] <... close resumed>) = 0 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./260/cgroup.cpu" [pid 3484] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./248/cgroup.cpu" [pid 6819] <... set_robust_list resumed>) = 0 [pid 6817] read(200, [pid 6816] close(6 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 512 [pid 3482] <... unlink resumed>) = 0 [pid 6819] chdir("./255" [pid 6817] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] lstat("./258/cgroup", [pid 3482] getdents64(3, [pid 6819] <... chdir resumed>) = 0 [pid 6817] symlink("/dev/binderfs", "./binderfs" [pid 6816] close(7 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6819] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6817] <... symlink resumed>) = 0 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] unlink("./258/cgroup" [pid 3482] close(3 [pid 6819] <... prctl resumed>) = 0 [pid 6817] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] close(8 [pid 3485] <... close resumed>) = 0 [pid 6817] <... futex resumed>) = 0 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./260" [pid 6819] setpgid(0, 0 [pid 6817] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6816] close(9 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6819] <... setpgid resumed>) = 0 [pid 6817] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./261", 0777 [pid 6819] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6817] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6816] close(10 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./248" [pid 6817] <... mprotect resumed>) = 0 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6820 attached [pid 6817] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6816] close(11 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6821 attached [pid 6820] set_robust_list(0x5555562645e0, 24 [pid 6819] <... symlink resumed>) = 0 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 524 [pid 6821] set_robust_list(0x7fa7c8c309e0, 24 [pid 6820] <... set_robust_list resumed>) = 0 [pid 6817] <... clone resumed>, parent_tid=[539], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 539 [pid 6816] close(12 [pid 3484] lstat("./258/cgroup.net", [pid 3482] mkdir("./249", 0777 [pid 6821] <... set_robust_list resumed>) = 0 [pid 6820] chdir("./261" [pid 6817] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6821] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6820] <... chdir resumed>) = 0 [pid 6819] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6817] <... futex resumed>) = 0 [pid 6816] close(13 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6821] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6817] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 6821] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] <... prctl resumed>) = 0 [pid 6819] <... symlink resumed>) = 0 [pid 6817] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6816] close(14 [pid 3484] unlink("./258/cgroup.net" [pid 6821] <... futex resumed>) = 0 [pid 6820] setpgid(0, 0 [pid 6819] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6817] close(3 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6821] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6820] <... setpgid resumed>) = 0 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(15 [pid 3484] <... unlink resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6822 attached [pid 6820] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6819] <... symlink resumed>) = 0 [pid 6817] close(4 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6822] set_robust_list(0x5555562645e0, 24 [pid 6820] <... symlink resumed>) = 0 [pid 6819] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(16 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 500 [pid 6822] <... set_robust_list resumed>) = 0 [pid 6820] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6819] <... openat resumed>) = 3 [pid 6817] close(5 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./258/cgroup.cpu", [pid 6822] chdir("./249" [pid 6820] <... symlink resumed>) = 0 [pid 6819] write(3, "1000", 4 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(17 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6822] <... chdir resumed>) = 0 [pid 6820] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6819] <... write resumed>) = 4 [pid 6817] close(6 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./258/cgroup.cpu" [pid 6822] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6820] <... symlink resumed>) = 0 [pid 6819] close(3 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(18 [pid 6822] <... prctl resumed>) = 0 [pid 6820] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6817] close(7 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] setpgid(0, 0 [pid 6820] <... openat resumed>) = 3 [pid 6819] <... close resumed>) = 0 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(19 [pid 3484] <... unlink resumed>) = 0 [pid 6822] <... setpgid resumed>) = 0 [pid 6820] write(3, "1000", 4 [pid 6819] read(200, [pid 6817] close(8 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 6822] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6820] <... write resumed>) = 4 [pid 6819] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(20 [pid 6822] <... symlink resumed>) = 0 [pid 6820] close(3 [pid 6819] symlink("/dev/binderfs", "./binderfs" [pid 6817] close(9 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6822] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6820] <... close resumed>) = 0 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(21 [pid 6822] <... symlink resumed>) = 0 [pid 6820] read(200, [pid 6819] <... symlink resumed>) = 0 [pid 6817] close(10 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 6822] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6820] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6819] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(22 [pid 6822] <... symlink resumed>) = 0 [pid 6820] symlink("/dev/binderfs", "./binderfs" [pid 6819] <... futex resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 6819] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6817] close(11 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./258" [pid 6822] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6820] <... symlink resumed>) = 0 [pid 6819] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(23 [pid 6822] <... openat resumed>) = 3 [pid 6820] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6817] close(12 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 6822] write(3, "1000", 4 [pid 6820] <... futex resumed>) = 0 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(24 [pid 6822] <... write resumed>) = 4 [pid 6820] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6819] <... mprotect resumed>) = 0 [pid 6817] close(13 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./259", 0777 [pid 6822] close(3 [pid 6820] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6819] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(25 [pid 6822] <... close resumed>) = 0 [pid 6820] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6817] close(14 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6823 attached [pid 6822] read(200, [pid 6820] <... mprotect resumed>) = 0 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(26 [pid 6823] set_robust_list(0x7fa7c8c309e0, 24 [pid 6822] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6820] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6819] <... clone resumed>, parent_tid=[513], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 513 [pid 6817] close(15 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6824 attached [pid 6823] <... set_robust_list resumed>) = 0 [pid 6822] symlink("/dev/binderfs", "./binderfs" [pid 6819] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(27./strace-static-x86_64: Process 6825 attached [pid 6824] set_robust_list(0x7fa7c8c309e0, 24 [pid 6823] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6822] <... symlink resumed>) = 0 [pid 6820] <... clone resumed>, parent_tid=[525], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 525 [pid 6819] <... futex resumed>) = 0 [pid 6817] close(16 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] set_robust_list(0x5555562645e0, 24 [pid 6824] <... set_robust_list resumed>) = 0 [pid 6823] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(28 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 520 [pid 6825] <... set_robust_list resumed>) = 0 [pid 6824] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6823] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... futex resumed>) = 0 [pid 6820] <... futex resumed>) = 0 [pid 6819] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6817] close(17 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] chdir("./259" [pid 6824] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6823] <... futex resumed>) = 0 [pid 6822] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6820] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] close(3 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] close(29 [pid 6825] <... chdir resumed>) = 0 [pid 6824] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6823] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] close(18 [pid 6816] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6824] <... futex resumed>) = 1 [pid 6822] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6820] <... futex resumed>) = 0 [pid 6819] close(4 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] exit_group(0 [pid 6825] <... prctl resumed>) = 0 [pid 6824] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6822] <... mprotect resumed>) = 0 [pid 6820] close(3 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6818] <... futex resumed>) = ? [pid 6817] close(19 [pid 6816] <... exit_group resumed>) = ? [pid 6825] setpgid(0, 0 [pid 6822] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(5 [pid 6818] +++ exited with 0 +++ [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6816] +++ exited with 0 +++ ./strace-static-x86_64: Process 6826 attached [pid 6825] <... setpgid resumed>) = 0 [pid 6820] close(4 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] close(20 [pid 6826] set_robust_list(0x7fa7c8c309e0, 24 [pid 6825] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6822] <... clone resumed>, parent_tid=[501], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 501 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(6 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6826] <... set_robust_list resumed>) = 0 [pid 6825] <... symlink resumed>) = 0 [pid 6822] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6820] close(5 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] close(21 [pid 3486] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6826] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6825] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6822] <... futex resumed>) = 0 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(7 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6826] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6820] close(6 [pid 6817] close(22 [pid 6825] <... symlink resumed>) = 0 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6826] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(8 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6826] <... futex resumed>) = 1 [pid 6825] <... symlink resumed>) = 0 [pid 6822] <... futex resumed>) = 0 [pid 6820] close(7 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] close(23 [pid 3486] fstat(3, [pid 6826] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6822] close(3 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(9 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6825] <... openat resumed>) = 3 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(8 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] close(24 [pid 3486] getdents64(3, [pid 6825] write(3, "1000", 4 [pid 6819] close(10 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6825] <... write resumed>) = 4 [pid 6822] close(4 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6825] close(3 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(9 [pid 6819] close(11 [pid 6817] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6825] <... close resumed>) = 0 [pid 6822] close(5 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./265/binderfs", [pid 6825] read(200, [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(12 [pid 6817] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6825] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6822] close(6 [pid 6820] close(10 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./265/binderfs" [pid 6825] symlink("/dev/binderfs", "./binderfs" [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(13 [pid 6817] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 6825] <... symlink resumed>) = 0 [pid 6822] close(7 [pid 6820] close(11 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6825] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6819] close(14 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6825] <... futex resumed>) = 0 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./265/cgroup", [pid 6825] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6822] close(8 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(15 [pid 6817] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6825] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(12 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./265/cgroup" [pid 6825] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6822] close(9 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(16 [pid 6817] close(29 [pid 3486] <... unlink resumed>) = 0 [pid 6825] <... mprotect resumed>) = 0 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(13 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6825] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6822] close(10 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(17 [pid 6817] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6827 attached [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(14 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6817] exit_group(0 [pid 3486] lstat("./265/cgroup.net", [pid 6827] set_robust_list(0x7fa7c8c309e0, 24 [pid 6825] <... clone resumed>, parent_tid=[521], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 521 [pid 6822] close(11 [pid 6821] <... futex resumed>) = ? [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(18 [pid 6817] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6827] <... set_robust_list resumed>) = 0 [pid 6825] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6821] +++ exited with 0 +++ [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./265/cgroup.net" [pid 6827] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6825] <... futex resumed>) = 0 [pid 6820] close(15 [pid 6819] close(19 [pid 3486] <... unlink resumed>) = 0 [pid 6827] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6827] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6819] close(20 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6827] <... futex resumed>) = 0 [pid 6825] close(3 [pid 6822] close(12 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./265/cgroup.cpu", [pid 6827] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(16 [pid 6819] close(21 [pid 6817] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6825] close(4 [pid 6822] close(13 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] unlink("./265/cgroup.cpu" [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(17 [pid 6819] close(22 [pid 3486] <... unlink resumed>) = 0 [pid 6825] close(5 [pid 6822] close(14 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(18 [pid 6819] close(23 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6825] close(6 [pid 6822] close(15 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(19 [pid 6819] close(24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 6825] close(7 [pid 6822] close(16 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./265" [pid 3487] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(20 [pid 6819] close(25 [pid 3486] <... rmdir resumed>) = 0 [pid 6825] close(8 [pid 6822] close(17 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] mkdir("./266", 0777 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(21 [pid 6819] close(26 [pid 3487] fstat(3, [pid 3486] <... mkdir resumed>) = 0 [pid 6825] close(9 [pid 6822] close(18 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6828 attached [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(22 [pid 6819] close(27 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6828] set_robust_list(0x5555562645e0, 24 [pid 6825] close(10 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 534 [pid 6828] <... set_robust_list resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] close(19 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] close(28 [pid 3487] getdents64(3, [pid 6828] chdir("./266" [pid 6825] close(11 [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... chdir resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(23 [pid 6819] close(29 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6828] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6825] close(12 [pid 6822] close(20 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6819] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] <... prctl resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(24 [pid 6819] exit_group(0 [pid 6828] setpgid(0, 0 [pid 6825] close(13 [pid 6823] <... futex resumed>) = ? [pid 6819] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6822] close(21 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... setpgid resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6823] +++ exited with 0 +++ [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(25 [pid 6819] +++ exited with 0 +++ [pid 3487] lstat("./268/binderfs", [pid 6828] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6825] close(14 [pid 6822] close(22 [pid 6828] <... symlink resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6828] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6825] close(15 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(26 [pid 3487] unlink("./268/binderfs" [pid 6828] <... symlink resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] close(23 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6828] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6825] close(16 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(27 [pid 3487] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] <... symlink resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] close(24 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6825] close(17 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(28 [pid 3487] lstat("./268/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... openat resumed>) = 3 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] close(25 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6828] write(3, "1000", 4 [pid 6825] close(18 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] close(29 [pid 3487] unlink("./268/cgroup" [pid 6828] <... write resumed>) = 4 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] close(26 [pid 6820] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... openat resumed>) = 3 [pid 6828] close(3 [pid 6825] close(19 [pid 6828] <... close resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 6828] read(200, [pid 6825] close(20 [pid 6824] <... futex resumed>) = ? [pid 6822] close(27 [pid 6820] <... exit_group resumed>) = ? [pid 6828] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6824] +++ exited with 0 +++ [pid 3487] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6828] symlink("/dev/binderfs", "./binderfs" [pid 6825] close(21 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6820] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... symlink resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] close(28 [pid 3487] lstat("./268/cgroup.net", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] getdents64(3, [pid 6828] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6825] close(22 [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... futex resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6828] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6825] close(23 [pid 6822] close(29 [pid 3487] unlink("./268/cgroup.net" [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6828] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6825] close(24 [pid 6828] <... mprotect resumed>) = 0 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6825] close(25 [pid 6822] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6829 attached [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] <... exit_group resumed>) = ? [pid 3487] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6829] set_robust_list(0x7fa7c8c309e0, 24 [pid 6828] <... clone resumed>, parent_tid=[535], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 535 [pid 6826] <... futex resumed>) = ? [pid 6825] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6829] <... set_robust_list resumed>) = 0 [pid 6828] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] lstat("./268/cgroup.cpu", [pid 3485] <... openat resumed>) = 3 [pid 3483] lstat("./255/binderfs", [pid 6829] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6826] +++ exited with 0 +++ [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6822] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6829] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... futex resumed>) = 0 [pid 6825] close(27 [pid 3487] unlink("./268/cgroup.cpu" [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./255/binderfs" [pid 6829] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 6829] <... futex resumed>) = 0 [pid 6828] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6825] close(28 [pid 3487] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=500, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6829] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6828] close(3 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] close(29 [pid 3487] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./255/cgroup", [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6828] close(4 [pid 6825] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] lstat("./261/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] exit_group(0 [pid 3487] rmdir("./268" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./255/cgroup" [pid 3482] <... restart_syscall resumed>) = 0 [pid 6828] close(5 [pid 6827] <... futex resumed>) = ? [pid 6825] <... exit_group resumed>) = ? [pid 3487] <... rmdir resumed>) = 0 [pid 3485] unlink("./261/binderfs" [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6827] +++ exited with 0 +++ [pid 3487] mkdir("./269", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6828] close(6 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6830 attached [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6825] +++ exited with 0 +++ [pid 3485] lstat("./261/cgroup", [pid 3483] lstat("./255/cgroup.net", [pid 3482] umount2("./249", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6830] set_robust_list(0x5555562645e0, 24 [pid 6828] close(7 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 540 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6830] <... set_robust_list resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./261/cgroup" [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] unlink("./255/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6830] chdir("./269" [pid 6828] close(8 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3485] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./261/cgroup.net", [pid 3484] <... openat resumed>) = 3 [pid 3483] lstat("./255/cgroup.cpu", [pid 3482] openat(AT_FDCWD, "./249", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6830] <... chdir resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6830] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6828] close(9 [pid 3485] unlink("./261/cgroup.net" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./255/cgroup.cpu" [pid 3482] <... openat resumed>) = 3 [pid 6830] <... prctl resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] fstat(3, [pid 6830] setpgid(0, 0 [pid 6828] close(10 [pid 3485] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] getdents64(3, [pid 6830] <... setpgid resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6830] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6828] close(11 [pid 3485] lstat("./261/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 3482] getdents64(3, [pid 6830] <... symlink resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./259/binderfs", [pid 3483] <... close resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6830] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6828] close(12 [pid 3485] unlink("./261/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] rmdir("./255" [pid 3482] umount2("./249/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6830] <... symlink resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./259/binderfs" [pid 6830] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6828] close(13 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 6828] close(14) = -1 EBADF (Bad file descriptor) [pid 6828] close(15) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./249/binderfs", [pid 6828] close(16) = -1 EBADF (Bad file descriptor) [pid 6830] <... symlink resumed>) = 0 [pid 6828] close(17) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6830] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6828] close(18 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./256", 0777 [pid 3482] unlink("./249/binderfs" [pid 6830] <... openat resumed>) = 3 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 6830] write(3, "1000", 4 [pid 6828] close(19 [pid 3485] <... close resumed>) = 0 [pid 3484] lstat("./259/cgroup", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6831 attached [pid 6830] <... write resumed>) = 4 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./261" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./249/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6831] set_robust_list(0x5555562645e0, 24 [pid 6830] close(3 [pid 6828] close(20 [pid 6831] <... set_robust_list resumed>) = 0 [pid 6830] <... close resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] unlink("./259/cgroup" [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 514 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6831] chdir("./256" [pid 6830] read(200, [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./262", 0777 [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./249/cgroup", [pid 6831] <... chdir resumed>) = 0 [pid 6830] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6828] close(21 [pid 6831] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6830] symlink("/dev/binderfs", "./binderfs" [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6831] <... prctl resumed>) = 0 [pid 6830] <... symlink resumed>) = 0 [pid 6828] close(22 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./249/cgroup"./strace-static-x86_64: Process 6832 attached [pid 6831] setpgid(0, 0 [pid 6830] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./259/cgroup.net", [pid 3482] <... unlink resumed>) = 0 [pid 6832] set_robust_list(0x5555562645e0, 24 [pid 6831] <... setpgid resumed>) = 0 [pid 6830] <... futex resumed>) = 0 [pid 6828] close(23 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 526 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6832] <... set_robust_list resumed>) = 0 [pid 6831] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6830] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./249/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6832] chdir("./262" [pid 6831] <... symlink resumed>) = 0 [pid 6830] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6828] close(24 [pid 3484] unlink("./259/cgroup.net" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6832] <... chdir resumed>) = 0 [pid 6831] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6830] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 6832] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6831] <... symlink resumed>) = 0 [pid 6830] <... mprotect resumed>) = 0 [pid 3484] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./249/cgroup.net", [pid 6832] <... prctl resumed>) = 0 [pid 6831] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6830] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6828] close(25 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6833 attached [pid 6832] setpgid(0, 0 [pid 6831] <... symlink resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./259/cgroup.cpu", [pid 3482] unlink("./249/cgroup.net" [pid 6833] set_robust_list(0x7fa7c8c309e0, 24 [pid 6832] <... setpgid resumed>) = 0 [pid 6831] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6830] <... clone resumed>, parent_tid=[541], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 541 [pid 6828] close(26 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6833] <... set_robust_list resumed>) = 0 [pid 6832] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6830] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] unlink("./259/cgroup.cpu" [pid 3482] umount2("./249/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6831] <... openat resumed>) = 3 [pid 6833] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6832] <... symlink resumed>) = 0 [pid 6830] <... futex resumed>) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6833] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6831] write(3, "1000", 4 [pid 6830] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6828] close(27 [pid 3484] getdents64(3, [pid 3482] lstat("./249/cgroup.cpu", [pid 6833] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... symlink resumed>) = 0 [pid 6830] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... write resumed>) = 4 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6833] <... futex resumed>) = 0 [pid 6832] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6831] close(3 [pid 6830] close(3 [pid 6828] close(28 [pid 3484] close(3 [pid 3482] unlink("./249/cgroup.cpu" [pid 6833] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6832] <... symlink resumed>) = 0 [pid 6831] <... close resumed>) = 0 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6832] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6831] read(200, [pid 6830] close(4 [pid 6828] close(29 [pid 3484] rmdir("./259" [pid 3482] getdents64(3, [pid 6832] <... openat resumed>) = 3 [pid 6831] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6832] write(3, "1000", 4 [pid 6831] symlink("/dev/binderfs", "./binderfs" [pid 6830] close(5 [pid 6828] exit_group(0 [pid 3484] mkdir("./260", 0777 [pid 3482] close(3 [pid 6832] <... write resumed>) = 4 [pid 6831] <... symlink resumed>) = 0 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6829] <... futex resumed>) = ? [pid 6828] <... exit_group resumed>) = ? [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6832] close(3 [pid 6831] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] close(6 [pid 6829] +++ exited with 0 +++ [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] rmdir("./249"./strace-static-x86_64: Process 6834 attached [pid 6832] <... close resumed>) = 0 [pid 6831] <... futex resumed>) = 0 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6828] +++ exited with 0 +++ [pid 3482] <... rmdir resumed>) = 0 [pid 6834] set_robust_list(0x5555562645e0, 24 [pid 6832] read(200, [pid 6831] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6830] close(7 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 522 [pid 3482] mkdir("./250", 0777 [pid 6834] <... set_robust_list resumed>) = 0 [pid 6832] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6831] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 6834] chdir("./260" [pid 6832] symlink("/dev/binderfs", "./binderfs" [pid 6831] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6830] close(8 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6835 attached [pid 6834] <... chdir resumed>) = 0 [pid 6832] <... symlink resumed>) = 0 [pid 6831] <... mprotect resumed>) = 0 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 6835] set_robust_list(0x5555562645e0, 24 [pid 6834] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6831] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6830] close(9 [pid 3486] <... restart_syscall resumed>) = 0 [pid 6832] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 502 ./strace-static-x86_64: Process 6836 attached [pid 6835] <... set_robust_list resumed>) = 0 [pid 6834] <... prctl resumed>) = 0 [pid 6832] <... futex resumed>) = 0 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6836] set_robust_list(0x7fa7c8c309e0, 24 [pid 6835] chdir("./250" [pid 6834] setpgid(0, 0 [pid 6832] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6831] <... clone resumed>, parent_tid=[515], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 515 [pid 6830] close(10 [pid 6836] <... set_robust_list resumed>) = 0 [pid 6835] <... chdir resumed>) = 0 [pid 6834] <... setpgid resumed>) = 0 [pid 6832] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6831] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6836] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6835] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6834] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6832] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6831] <... futex resumed>) = 0 [pid 6830] close(11 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6836] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... prctl resumed>) = 0 [pid 6834] <... symlink resumed>) = 0 [pid 6832] <... mprotect resumed>) = 0 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6836] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] setpgid(0, 0 [pid 6834] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6832] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6831] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6830] close(12 [pid 3486] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6837 attached [pid 6836] <... futex resumed>) = 0 [pid 6835] <... setpgid resumed>) = 0 [pid 6834] <... symlink resumed>) = 0 [pid 6831] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 6837] set_robust_list(0x7fa7c8c309e0, 24 [pid 6836] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6834] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6832] <... clone resumed>, parent_tid=[527], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 527 [pid 6831] close(3 [pid 6830] close(13 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6837] <... set_robust_list resumed>) = 0 [pid 6835] <... symlink resumed>) = 0 [pid 6834] <... symlink resumed>) = 0 [pid 6832] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6837] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6835] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6834] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6832] <... futex resumed>) = 0 [pid 6831] close(4 [pid 6830] close(14 [pid 3486] getdents64(3, [pid 6837] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... symlink resumed>) = 0 [pid 6834] <... openat resumed>) = 3 [pid 6832] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6831] close(5 [pid 3486] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6831] close(6 [pid 3486] lstat("./266/binderfs", [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6831] close(7 [pid 3486] unlink("./266/binderfs" [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6831] close(8 [pid 3486] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6831] close(9 [pid 6830] close(15 [pid 3486] lstat("./266/cgroup", [pid 6837] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6834] write(3, "1000", 4 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6837] <... futex resumed>) = 1 [pid 6834] <... write resumed>) = 4 [pid 6832] <... futex resumed>) = 0 [pid 6831] close(10 [pid 3486] unlink("./266/cgroup" [pid 6837] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] <... symlink resumed>) = 0 [pid 6834] close(3 [pid 6832] close(3 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] close(16 [pid 3486] <... unlink resumed>) = 0 [pid 6835] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6834] <... close resumed>) = 0 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(11 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6835] <... openat resumed>) = 3 [pid 6834] read(200, [pid 6832] close(4 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6834] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(12 [pid 3486] lstat("./266/cgroup.net", [pid 6834] symlink("/dev/binderfs", "./binderfs" [pid 6832] close(5 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] close(17 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6835] write(3, "1000", 4 [pid 6834] <... symlink resumed>) = 0 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(13 [pid 3486] unlink("./266/cgroup.net" [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... write resumed>) = 4 [pid 6834] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] close(6 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6835] close(3 [pid 6834] <... futex resumed>) = 0 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(14 [pid 6830] close(18 [pid 3486] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6835] <... close resumed>) = 0 [pid 6834] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6832] close(7 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6835] read(200, [pid 6834] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(15 [pid 6830] close(19 [pid 3486] lstat("./266/cgroup.cpu", [pid 6835] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6834] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6832] close(8 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6835] symlink("/dev/binderfs", "./binderfs" [pid 6830] close(20 [pid 6835] <... symlink resumed>) = 0 [pid 6834] <... mprotect resumed>) = 0 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(16 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./266/cgroup.cpu" [pid 6835] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6832] close(9 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] close(21./strace-static-x86_64: Process 6838 attached [pid 6835] <... futex resumed>) = 0 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(17 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6838] set_robust_list(0x7fa7c8c309e0, 24 [pid 6835] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6834] <... clone resumed>, parent_tid=[523], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 523 [pid 6832] close(10 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] close(22 [pid 3486] getdents64(3, [pid 6838] <... set_robust_list resumed>) = 0 [pid 6835] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6834] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(18 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6838] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6835] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6834] <... futex resumed>) = 0 [pid 6832] close(11 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 6838] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... mprotect resumed>) = 0 [pid 6834] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(19 [pid 6830] close(23 [pid 3486] <... close resumed>) = 0 [pid 6838] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6832] close(12 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./266"./strace-static-x86_64: Process 6839 attached [pid 6838] <... futex resumed>) = 1 [pid 6834] <... futex resumed>) = 0 [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(20 [pid 6830] close(24 [pid 6839] set_robust_list(0x7fa7c8c309e0, 24 [pid 6838] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] <... clone resumed>, parent_tid=[503], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 503 [pid 6834] close(3 [pid 6832] close(13 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 6839] <... set_robust_list resumed>) = 0 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(21 [pid 3486] mkdir("./267", 0777 [pid 6839] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6834] close(4 [pid 6832] close(14 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 6839] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(22 [pid 6830] close(25 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6839] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6835] <... futex resumed>) = 0 [pid 6834] close(5 [pid 6832] close(15 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6840 attached [pid 6839] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(23 [pid 6830] close(26 [pid 6840] set_robust_list(0x5555562645e0, 24 [pid 6839] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6834] close(6 [pid 6832] close(16 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 536 [pid 6840] <... set_robust_list resumed>) = 0 [pid 6839] <... futex resumed>) = 0 [pid 6835] close(3 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(24 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] chdir("./267" [pid 6839] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(7 [pid 6832] close(17 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] <... chdir resumed>) = 0 [pid 6835] close(4 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(25 [pid 6830] close(27 [pid 6840] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(8 [pid 6832] close(18 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] <... prctl resumed>) = 0 [pid 6835] close(5 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(26 [pid 6840] setpgid(0, 0 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(9 [pid 6832] close(19 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] close(28 [pid 6840] <... setpgid resumed>) = 0 [pid 6835] close(6 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(27 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6834] close(10 [pid 6832] close(20 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(28 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(11 [pid 6832] close(21 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] close(29 [pid 6840] <... symlink resumed>) = 0 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] close(29 [pid 6830] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] close(7) = -1 EBADF (Bad file descriptor) [pid 6834] close(12 [pid 6832] close(22 [pid 6831] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6830] exit_group(0 [pid 6840] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6835] close(8 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6833] <... futex resumed>) = ? [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] exit_group(0 [pid 6830] <... exit_group resumed>) = ? [pid 6836] <... futex resumed>) = ? [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(13 [pid 6833] +++ exited with 0 +++ [pid 6832] close(23 [pid 6831] <... exit_group resumed>) = ? [pid 6840] <... symlink resumed>) = 0 [pid 6836] +++ exited with 0 +++ [pid 6835] close(9 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6831] +++ exited with 0 +++ [pid 6830] +++ exited with 0 +++ [pid 6840] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(14 [pid 6832] close(24 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] <... symlink resumed>) = 0 [pid 6835] close(10 [pid 6834] close(15 [pid 6832] close(25 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6840] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6834] close(16 [pid 6832] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... openat resumed>) = 3 [pid 6835] close(11 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6840] write(3, "1000", 4 [pid 3487] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6840] <... write resumed>) = 4 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(17 [pid 6832] close(27 [pid 3487] <... openat resumed>) = 3 [pid 3483] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] close(3 [pid 6835] close(12 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... close resumed>) = 0 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(18 [pid 6832] close(28 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6840] read(200, [pid 6835] close(13 [pid 3487] getdents64(3, [pid 3483] <... openat resumed>) = 3 [pid 6840] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] fstat(3, [pid 6840] symlink("/dev/binderfs", "./binderfs" [pid 6835] close(14 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6840] <... symlink resumed>) = 0 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(19 [pid 6832] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 6840] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] close(15 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./269/binderfs", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6840] <... futex resumed>) = 0 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(20 [pid 6832] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6837] <... futex resumed>) = ? [pid 6835] close(16 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] <... exit_group resumed>) = ? [pid 3487] unlink("./269/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(21) = -1 EBADF (Bad file descriptor) [pid 6834] close(22) = -1 EBADF (Bad file descriptor) [pid 6834] close(23) = -1 EBADF (Bad file descriptor) [pid 6834] close(24 [pid 6837] +++ exited with 0 +++ [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6832] +++ exited with 0 +++ [pid 6834] close(25) = -1 EBADF (Bad file descriptor) [pid 6834] close(26) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] lstat("./256/binderfs", [pid 6840] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6835] close(17 [pid 6834] close(27 [pid 3487] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] close(28 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6840] <... mprotect resumed>) = 0 [pid 6835] close(18 [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6834] close(29 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./256/binderfs" [pid 6840] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6835] close(19 [pid 6834] exit_group(0 [pid 3487] lstat("./269/cgroup", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6838] <... futex resumed>) = ? [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6834] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 6841 attached [pid 6838] +++ exited with 0 +++ [pid 6835] close(20 [pid 6834] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6841] set_robust_list(0x7fa7c8c309e0, 24 [pid 6840] <... clone resumed>, parent_tid=[537], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 537 [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./269/cgroup" [pid 6841] <... set_robust_list resumed>) = 0 [pid 6840] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6835] close(21 [pid 3483] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6841] ioctl(-1, LOOP_CTL_ADD, 0) = -1 EBADF (Bad file descriptor) [pid 6841] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 6840] <... futex resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6841] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6840] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] lstat("./256/cgroup", [pid 6835] close(22 [pid 6840] close(3 [pid 3484] <... restart_syscall resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6840] close(4 [pid 6835] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./269/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./256/cgroup" [pid 6840] close(5 [pid 6835] close(24 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./269/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] close(6 [pid 6835] close(25 [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] lstat("./256/cgroup.net", [pid 6840] close(7 [pid 6835] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./269/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6840] close(8 [pid 6835] close(27 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./269/cgroup.cpu" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./256/cgroup.net" [pid 6840] close(9 [pid 6835] close(28 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./262/binderfs", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6840] close(10 [pid 6835] close(29 [pid 3487] getdents64(3, [pid 3483] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6835] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] close(11 [pid 6835] exit_group(0 [pid 3485] unlink("./262/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6839] <... futex resumed>) = ? [pid 6835] <... exit_group resumed>) = ? [pid 3487] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6839] +++ exited with 0 +++ [pid 3485] <... unlink resumed>) = 0 [pid 3483] lstat("./256/cgroup.cpu", [pid 6840] close(12 [pid 3487] <... close resumed>) = 0 [pid 3484] lstat("./260/binderfs", [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./269" [pid 3485] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6835] +++ exited with 0 +++ [pid 3487] <... rmdir resumed>) = 0 [pid 6840] close(13 [pid 3487] mkdir("./270", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./260/binderfs" [pid 3483] unlink("./256/cgroup.cpu" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=502, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] lstat("./262/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 6840] close(14 [pid 3483] <... unlink resumed>) = 0 [pid 3484] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 6840] close(15 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] unlink("./262/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3483] close(3 [pid 3484] lstat("./260/cgroup", [pid 6840] close(16 [pid 3485] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6842 attached [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... close resumed>) = 0 [pid 6842] set_robust_list(0x5555562645e0, 24 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./250", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6842] <... set_robust_list resumed>) = 0 [pid 6840] close(17 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 542 [pid 3485] lstat("./262/cgroup.net", [pid 3484] unlink("./260/cgroup" [pid 3483] rmdir("./256" [pid 6842] chdir("./270" [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6842] <... chdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6842] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] <... unlink resumed>) = 0 [pid 6842] <... prctl resumed>) = 0 [pid 6842] setpgid(0, 0 [pid 6840] close(18 [pid 3483] <... rmdir resumed>) = 0 [pid 6842] <... setpgid resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./250", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6842] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./262/cgroup.net" [pid 3484] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./257", 0777 [pid 6842] <... symlink resumed>) = 0 [pid 6840] close(19 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 6842] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./260/cgroup.net", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] fstat(3, [pid 6842] <... symlink resumed>) = 0 [pid 6840] close(20 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6843 attached [pid 6842] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./262/cgroup.cpu", [pid 3484] unlink("./260/cgroup.net" [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 516 [pid 3482] getdents64(3, [pid 6843] set_robust_list(0x5555562645e0, 24 [pid 6842] <... symlink resumed>) = 0 [pid 6840] close(21 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./262/cgroup.cpu" [pid 3484] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./250/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6840] close(22 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6843] <... set_robust_list resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] lstat("./260/cgroup.cpu", [pid 3482] lstat("./250/binderfs", [pid 6843] chdir("./257" [pid 6842] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6840] close(23 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6843] <... chdir resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] unlink("./260/cgroup.cpu" [pid 6842] <... openat resumed>) = 3 [pid 3482] unlink("./250/binderfs" [pid 6843] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6842] write(3, "1000", 4 [pid 6840] close(24 [pid 3485] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6843] <... prctl resumed>) = 0 [pid 6842] <... write resumed>) = 4 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./262" [pid 3484] getdents64(3, [pid 3482] umount2("./250/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6843] setpgid(0, 0 [pid 6842] close(3 [pid 6840] close(25 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6843] <... setpgid resumed>) = 0 [pid 6842] <... close resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./263", 0777 [pid 3484] close(3 [pid 3482] lstat("./250/cgroup", [pid 6843] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6842] read(200, [pid 6840] close(26 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6843] <... symlink resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] rmdir("./260" [pid 3482] unlink("./250/cgroup" [pid 6842] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6844 attached [pid 6843] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6842] symlink("/dev/binderfs", "./binderfs" [pid 6840] close(27 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6844] set_robust_list(0x5555562645e0, 24 [pid 6843] <... symlink resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 528 [pid 3484] mkdir("./261", 0777 [pid 3482] umount2("./250/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6844] <... set_robust_list resumed>) = 0 [pid 6843] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6842] <... symlink resumed>) = 0 [pid 6840] close(28 [pid 6844] chdir("./263" [pid 6843] <... symlink resumed>) = 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6844] <... chdir resumed>) = 0 [pid 6843] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6842] <... futex resumed>) = 0 [pid 6840] close(29 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] lstat("./250/cgroup.net", ./strace-static-x86_64: Process 6845 attached [pid 6844] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6843] <... openat resumed>) = 3 [pid 6842] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6840] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6845] set_robust_list(0x5555562645e0, 24 [pid 6844] <... prctl resumed>) = 0 [pid 6843] write(3, "1000", 4 [pid 6842] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6840] exit_group(0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 524 [pid 3482] unlink("./250/cgroup.net" [pid 6845] <... set_robust_list resumed>) = 0 [pid 6844] setpgid(0, 0 [pid 6843] <... write resumed>) = 4 [pid 6842] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6841] <... futex resumed>) = ? [pid 6840] <... exit_group resumed>) = ? [pid 3482] <... unlink resumed>) = 0 [pid 6845] chdir("./261" [pid 6844] <... setpgid resumed>) = 0 [pid 6843] close(3 [pid 6842] <... mprotect resumed>) = 0 [pid 3482] umount2("./250/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6845] <... chdir resumed>) = 0 [pid 6844] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6843] <... close resumed>) = 0 [pid 6842] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6846 attached [pid 6845] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6844] <... symlink resumed>) = 0 [pid 6843] read(200, [pid 6841] +++ exited with 0 +++ [pid 6840] +++ exited with 0 +++ [pid 3482] lstat("./250/cgroup.cpu", [pid 6846] set_robust_list(0x7fa7c8c309e0, 24 [pid 6845] <... prctl resumed>) = 0 [pid 6844] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6843] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] <... clone resumed>, parent_tid=[543], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 543 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6846] <... set_robust_list resumed>) = 0 [pid 6845] setpgid(0, 0 [pid 6844] <... symlink resumed>) = 0 [pid 6843] symlink("/dev/binderfs", "./binderfs" [pid 6842] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3482] unlink("./250/cgroup.cpu" [pid 6846] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6845] <... setpgid resumed>) = 0 [pid 6844] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6843] <... symlink resumed>) = 0 [pid 6842] <... futex resumed>) = 0 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... unlink resumed>) = 0 [pid 6846] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6844] <... symlink resumed>) = 0 [pid 3482] getdents64(3, [pid 6846] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... symlink resumed>) = 0 [pid 6844] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6846] <... futex resumed>) = 0 [pid 6845] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6844] <... openat resumed>) = 3 [pid 6843] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... restart_syscall resumed>) = 0 [pid 3482] close(3 [pid 6846] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] <... symlink resumed>) = 0 [pid 6844] write(3, "1000", 4 [pid 6843] <... futex resumed>) = 0 [pid 6842] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] <... close resumed>) = 0 [pid 6845] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6844] <... write resumed>) = 4 [pid 6843] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6842] close(3 [pid 3482] rmdir("./250" [pid 6845] <... symlink resumed>) = 0 [pid 6844] close(3 [pid 6843] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6844] <... close resumed>) = 0 [pid 6843] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6842] close(4 [pid 3486] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... rmdir resumed>) = 0 [pid 6845] <... openat resumed>) = 3 [pid 6844] read(200, [pid 6843] <... mprotect resumed>) = 0 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6845] write(3, "1000", 4 [pid 6844] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6842] close(5 [pid 3486] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] mkdir("./251", 0777./strace-static-x86_64: Process 6847 attached [pid 6845] <... write resumed>) = 4 [pid 6844] symlink("/dev/binderfs", "./binderfs" [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6847] set_robust_list(0x7fa7c8c309e0, 24 [pid 6845] close(3 [pid 6844] <... symlink resumed>) = 0 [pid 6843] <... clone resumed>, parent_tid=[517], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 517 [pid 6842] close(6 [pid 3486] fstat(3, [pid 3482] <... mkdir resumed>) = 0 [pid 6847] <... set_robust_list resumed>) = 0 [pid 6845] <... close resumed>) = 0 [pid 6844] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6847] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6845] read(200, [pid 6844] <... futex resumed>) = 0 [pid 6843] <... futex resumed>) = 0 [pid 6842] close(7 [pid 3486] getdents64(3, [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6847] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6844] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6843] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6848 attached [pid 6847] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] symlink("/dev/binderfs", "./binderfs" [pid 6844] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6843] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6842] close(8 [pid 3486] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 504 [pid 6848] set_robust_list(0x5555562645e0, 24 [pid 6847] <... futex resumed>) = 0 [pid 6845] <... symlink resumed>) = 0 [pid 6844] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6843] close(3 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6848] <... set_robust_list resumed>) = 0 [pid 6847] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6845] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... mprotect resumed>) = 0 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(9 [pid 3486] lstat("./267/binderfs", [pid 6848] chdir("./251" [pid 6843] close(4 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6848] <... chdir resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6844] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(10 [pid 3486] unlink("./267/binderfs"./strace-static-x86_64: Process 6849 attached [pid 6848] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6845] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6843] close(5 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6849] set_robust_list(0x7fa7c8c309e0, 24 [pid 6848] <... prctl resumed>) = 0 [pid 6845] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6844] <... clone resumed>, parent_tid=[529], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 529 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(11 [pid 3486] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6849] <... set_robust_list resumed>) = 0 [pid 6848] setpgid(0, 0 [pid 6845] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6844] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] close(6 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6849] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6848] <... setpgid resumed>) = 0 [pid 6845] <... mprotect resumed>) = 0 [pid 6844] <... futex resumed>) = 0 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(12 [pid 3486] lstat("./267/cgroup", [pid 6849] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6845] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6844] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6843] close(7 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6849] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... symlink resumed>) = 0 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(13 [pid 3486] unlink("./267/cgroup"./strace-static-x86_64: Process 6850 attached [pid 6849] <... futex resumed>) = 0 [pid 6848] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6844] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6843] close(8 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6850] set_robust_list(0x7fa7c8c309e0, 24 [pid 6849] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] <... symlink resumed>) = 0 [pid 6845] <... clone resumed>, parent_tid=[525], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 525 [pid 6844] close(3 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6850] <... set_robust_list resumed>) = 0 [pid 6848] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6845] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(9 [pid 6842] close(14 [pid 3486] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6850] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6848] <... symlink resumed>) = 0 [pid 6845] <... futex resumed>) = 0 [pid 6844] close(4 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(5) = -1 EBADF (Bad file descriptor) [pid 6844] close(6 [pid 6850] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(15 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6850] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... openat resumed>) = 3 [pid 6844] close(7 [pid 6843] close(10 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6850] <... futex resumed>) = 1 [pid 6848] write(3, "1000", 4 [pid 6845] <... futex resumed>) = 0 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(16 [pid 3486] lstat("./267/cgroup.net", [pid 6850] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] <... write resumed>) = 4 [pid 6845] close(3 [pid 6844] close(8 [pid 6843] close(11 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6848] close(3 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(17 [pid 3486] unlink("./267/cgroup.net" [pid 6848] <... close resumed>) = 0 [pid 6845] close(4 [pid 6844] close(9 [pid 6843] close(12 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] read(200, [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 6848] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6845] close(5 [pid 6844] close(10 [pid 6843] close(13 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6848] symlink("/dev/binderfs", "./binderfs" [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(19 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6848] <... symlink resumed>) = 0 [pid 6845] close(6 [pid 6844] close(11 [pid 6843] close(14 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./267/cgroup.cpu", [pid 6848] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(20 [pid 6848] <... futex resumed>) = 0 [pid 6845] close(7 [pid 6844] close(12 [pid 6843] close(15 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6848] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(21 [pid 6848] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6845] close(8 [pid 6844] close(13 [pid 6843] close(16 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./267/cgroup.cpu" [pid 6848] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(22 [pid 6848] <... mprotect resumed>) = 0 [pid 6843] close(17 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(23./strace-static-x86_64: Process 6851 attached [pid 6843] close(18 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] <... clone resumed>, parent_tid=[505], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 505 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(24 [pid 6848] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6843] close(19 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6851] set_robust_list(0x7fa7c8c309e0, 24 [pid 6848] <... futex resumed>) = 0 [pid 6845] close(9 [pid 6844] close(14 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(25 [pid 6848] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(20 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6851] <... set_robust_list resumed>) = 0 [pid 6845] close(10 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(26 [pid 6851] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(15 [pid 6843] close(21 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6851] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] close(11 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(27 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(22 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6851] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6845] close(12 [pid 6844] close(16 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(28 [pid 3486] close(3 [pid 6851] <... futex resumed>) = 1 [pid 6848] <... futex resumed>) = 0 [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(23 [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 6851] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6848] close(3 [pid 6845] close(13 [pid 6844] close(17 [pid 3486] rmdir("./267" [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] close(29 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(24 [pid 3486] <... rmdir resumed>) = 0 [pid 6848] close(4 [pid 6845] close(14 [pid 6844] close(18 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./268", 0777 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(25 [pid 6842] exit_group(0 [pid 3486] <... mkdir resumed>) = 0 [pid 6848] close(5 [pid 6846] <... futex resumed>) = ? [pid 6845] close(15 [pid 6844] close(19 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6842] <... exit_group resumed>) = ? [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6852 attached [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6846] +++ exited with 0 +++ [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(26 [pid 6852] set_robust_list(0x5555562645e0, 24 [pid 6848] close(6 [pid 6845] close(16 [pid 6844] close(20 [pid 6842] +++ exited with 0 +++ [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 538 [pid 6852] <... set_robust_list resumed>) = 0 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] chdir("./268" [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(21 [pid 6843] close(27 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6852] <... chdir resumed>) = 0 [pid 6848] close(7 [pid 6845] close(17 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(22 [pid 3487] <... restart_syscall resumed>) = 0 [pid 6852] <... prctl resumed>) = 0 [pid 6848] close(8 [pid 6845] close(18 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(28 [pid 6852] setpgid(0, 0 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(23 [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] <... setpgid resumed>) = 0 [pid 6848] close(9 [pid 6845] close(19 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] close(29 [pid 3487] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] <... symlink resumed>) = 0 [pid 6848] close(10 [pid 6845] close(20 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6852] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(25 [pid 6843] exit_group(0 [pid 3487] <... openat resumed>) = 3 [pid 6852] <... symlink resumed>) = 0 [pid 6848] close(11 [pid 6847] <... futex resumed>) = ? [pid 6845] close(21 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] <... exit_group resumed>) = ? [pid 3487] fstat(3, [pid 6852] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6847] +++ exited with 0 +++ [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(26 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6852] <... symlink resumed>) = 0 [pid 6848] close(12 [pid 6845] close(22 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6843] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 6852] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(27 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6848] close(13 [pid 6845] close(23 [pid 6852] <... openat resumed>) = 3 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] write(3, "1000", 4 [pid 6848] close(14 [pid 6845] close(24 [pid 6844] close(28 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] <... write resumed>) = 4 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./270/binderfs", [pid 6852] close(3 [pid 6848] close(15 [pid 6845] close(25 [pid 6852] <... close resumed>) = 0 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] close(29 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6852] read(200, [pid 6848] close(16 [pid 6845] close(26 [pid 6844] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./270/binderfs" [pid 6852] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6844] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3483] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6848] close(17 [pid 6845] close(27 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] close(18 [pid 6845] close(28 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] close(19 [pid 6845] close(29 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] close(20 [pid 6845] exit_group(0 [pid 6852] symlink("/dev/binderfs", "./binderfs" [pid 6850] <... futex resumed>) = ? [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6845] <... exit_group resumed>) = ? [pid 6852] <... symlink resumed>) = 0 [pid 6850] +++ exited with 0 +++ [pid 6849] <... futex resumed>) = ? [pid 6848] close(21 [pid 6845] +++ exited with 0 +++ [pid 6844] <... exit_group resumed>) = ? [pid 3487] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6849] +++ exited with 0 +++ [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] close(22) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] <... futex resumed>) = 0 [pid 6848] close(23 [pid 6844] +++ exited with 0 +++ [pid 3483] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] lstat("./270/cgroup", [pid 6852] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] <... openat resumed>) = 3 [pid 6852] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6848] close(24 [pid 3487] unlink("./270/cgroup" [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] fstat(3, [pid 6852] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] <... restart_syscall resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6852] <... mprotect resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 6852] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6848] close(25 [pid 3487] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6853 attached [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6853] set_robust_list(0x7fa7c8c309e0, 24 [pid 6852] <... clone resumed>, parent_tid=[539], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 539 [pid 6848] close(26 [pid 3487] lstat("./270/cgroup.net", [pid 3485] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6853] <... set_robust_list resumed>) = 0 [pid 6852] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6853] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6852] <... futex resumed>) = 0 [pid 6848] close(27 [pid 3487] unlink("./270/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6853] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] lstat("./257/binderfs", [pid 6853] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6848] close(28 [pid 3487] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6853] <... futex resumed>) = 0 [pid 6852] close(3 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6853] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] close(29 [pid 3487] lstat("./270/cgroup.cpu", [pid 3485] getdents64(3, [pid 3484] fstat(3, [pid 3483] unlink("./257/binderfs" [pid 6852] close(4 [pid 6848] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6848] exit_group(0 [pid 3487] unlink("./270/cgroup.cpu" [pid 3485] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] close(5 [pid 6851] <... futex resumed>) = ? [pid 6848] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./263/binderfs", [pid 3484] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./257/cgroup", [pid 6852] close(6 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./263/binderfs" [pid 3484] lstat("./261/binderfs", [pid 3483] unlink("./257/cgroup" [pid 6852] close(7 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3485] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./261/binderfs" [pid 3483] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] close(8 [pid 6851] +++ exited with 0 +++ [pid 6848] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3485] lstat("./263/cgroup", [pid 3484] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./257/cgroup.net", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=504, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6852] close(9 [pid 3487] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./270" [pid 3485] unlink("./263/cgroup" [pid 3484] lstat("./261/cgroup", [pid 3483] unlink("./257/cgroup.net" [pid 6852] close(10 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./261/cgroup" [pid 3483] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] close(11 [pid 3487] mkdir("./271", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./251", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./263/cgroup.net", [pid 3484] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./257/cgroup.cpu", [pid 6852] close(12 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] unlink("./263/cgroup.net" [pid 3484] lstat("./261/cgroup.net", [pid 3483] unlink("./257/cgroup.cpu" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6852] close(13 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./261/cgroup.net" [pid 3483] getdents64(3, [pid 3482] openat(AT_FDCWD, "./251", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6854 attached [pid 6852] close(14 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6854] set_robust_list(0x5555562645e0, 24 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 544 [pid 3485] lstat("./263/cgroup.cpu", [pid 3484] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 3482] <... openat resumed>) = 3 [pid 6852] close(15 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 6854] <... set_robust_list resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./263/cgroup.cpu" [pid 3484] lstat("./261/cgroup.cpu", [pid 3483] rmdir("./257" [pid 3482] fstat(3, [pid 6854] chdir("./271" [pid 6852] close(16 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 6854] <... chdir resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] unlink("./261/cgroup.cpu" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6854] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6852] close(17 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] mkdir("./258", 0777 [pid 3482] getdents64(3, [pid 6854] <... prctl resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6854] setpgid(0, 0 [pid 3482] umount2("./251/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] <... setpgid resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] getdents64(3, [pid 3483] <... mkdir resumed>) = 0 [pid 3482] lstat("./251/binderfs", [pid 6854] <... symlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6854] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6852] close(18 [pid 3485] <... close resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./251/binderfs" [pid 6854] <... symlink resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./263" [pid 3484] close(3 [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6855 attached [pid 6854] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6852] close(19 [pid 3482] umount2("./251/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] <... symlink resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6852] close(20 [pid 3485] mkdir("./264", 0777 [pid 3484] <... close resumed>) = 0 [pid 6855] set_robust_list(0x5555562645e0, 24 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 518 [pid 3482] lstat("./251/cgroup", [pid 6854] <... openat resumed>) = 3 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./261" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6854] write(3, "1000", 4 [pid 3482] unlink("./251/cgroup" [pid 6854] <... write resumed>) = 4 [pid 3482] <... unlink resumed>) = 0 [pid 6854] close(3 [pid 3482] umount2("./251/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] read(200, [pid 3482] lstat("./251/cgroup.net", [pid 6855] <... set_robust_list resumed>) = 0 [pid 6854] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6854] symlink("/dev/binderfs", "./binderfs" [pid 3482] unlink("./251/cgroup.net" [pid 6855] chdir("./258" [pid 6854] <... symlink resumed>) = 0 [pid 6852] close(21 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] mkdir("./262", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 6855] <... chdir resumed>) = 0 [pid 6854] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./251/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6854] <... futex resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6854] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3482] lstat("./251/cgroup.cpu", [pid 6854] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6854] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6852] close(22 [pid 6855] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] <... mkdir resumed>) = 0 [pid 3482] unlink("./251/cgroup.cpu" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6855] <... prctl resumed>) = 0 [pid 6854] <... mprotect resumed>) = 0 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... unlink resumed>) = 0 [pid 6854] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6857 attached ./strace-static-x86_64: Process 6856 attached ./strace-static-x86_64: Process 6858 attached [pid 6855] setpgid(0, 0 [pid 6852] close(23 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6857] set_robust_list(0x5555562645e0, 24 [pid 6856] set_robust_list(0x7fa7c8c309e0, 24 [pid 6854] <... clone resumed>, parent_tid=[545], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 545 [pid 3482] close(3 [pid 6858] set_robust_list(0x5555562645e0, 24 [pid 6857] <... set_robust_list resumed>) = 0 [pid 6856] <... set_robust_list resumed>) = 0 [pid 6855] <... setpgid resumed>) = 0 [pid 6854] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 530 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 526 [pid 3482] <... close resumed>) = 0 [pid 6858] <... set_robust_list resumed>) = 0 [pid 6857] chdir("./262" [pid 6856] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6855] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6854] <... futex resumed>) = 0 [pid 3482] rmdir("./251" [pid 6858] chdir("./264" [pid 6857] <... chdir resumed>) = 0 [pid 6856] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] <... symlink resumed>) = 0 [pid 6854] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6852] close(24 [pid 3482] <... rmdir resumed>) = 0 [pid 6858] <... chdir resumed>) = 0 [pid 6857] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6856] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6854] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./252", 0777 [pid 6858] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6857] <... prctl resumed>) = 0 [pid 6856] <... futex resumed>) = 0 [pid 6855] <... symlink resumed>) = 0 [pid 6854] close(3 [pid 6852] close(25 [pid 3482] <... mkdir resumed>) = 0 [pid 6858] <... prctl resumed>) = 0 [pid 6857] setpgid(0, 0 [pid 6856] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6855] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6859 attached [pid 6858] setpgid(0, 0 [pid 6857] <... setpgid resumed>) = 0 [pid 6855] <... symlink resumed>) = 0 [pid 6854] close(4 [pid 6852] close(26 [pid 6859] set_robust_list(0x5555562645e0, 24 [pid 6858] <... setpgid resumed>) = 0 [pid 6857] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6855] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 506 [pid 6859] <... set_robust_list resumed>) = 0 [pid 6858] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6857] <... symlink resumed>) = 0 [pid 6854] close(5 [pid 6859] chdir("./252" [pid 6857] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6855] <... openat resumed>) = 3 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] close(27 [pid 6859] <... chdir resumed>) = 0 [pid 6858] <... symlink resumed>) = 0 [pid 6857] <... symlink resumed>) = 0 [pid 6855] write(3, "1000", 4 [pid 6854] close(6 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6858] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6857] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6855] <... write resumed>) = 4 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] close(28 [pid 6859] <... prctl resumed>) = 0 [pid 6858] <... symlink resumed>) = 0 [pid 6857] <... symlink resumed>) = 0 [pid 6855] close(3 [pid 6854] close(7 [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] setpgid(0, 0 [pid 6858] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6857] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... setpgid resumed>) = 0 [pid 6858] <... symlink resumed>) = 0 [pid 6857] <... openat resumed>) = 3 [pid 6855] <... close resumed>) = 0 [pid 6854] close(8 [pid 6852] close(29 [pid 6859] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6858] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6857] write(3, "1000", 4 [pid 6855] read(200, [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6852] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... symlink resumed>) = 0 [pid 6858] <... openat resumed>) = 3 [pid 6857] <... write resumed>) = 4 [pid 6855] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] close(9 [pid 6852] exit_group(0 [pid 6859] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6858] write(3, "1000", 4 [pid 6857] close(3 [pid 6855] symlink("/dev/binderfs", "./binderfs" [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6853] <... futex resumed>) = ? [pid 6852] <... exit_group resumed>) = ? [pid 6859] <... symlink resumed>) = 0 [pid 6858] <... write resumed>) = 4 [pid 6857] <... close resumed>) = 0 [pid 6854] close(10 [pid 6853] +++ exited with 0 +++ [pid 6859] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6857] read(200, [pid 6855] <... symlink resumed>) = 0 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... symlink resumed>) = 0 [pid 6858] close(3 [pid 6857] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] close(11 [pid 6852] +++ exited with 0 +++ [pid 6859] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6858] <... close resumed>) = 0 [pid 6857] symlink("/dev/binderfs", "./binderfs" [pid 6855] <... futex resumed>) = 0 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... openat resumed>) = 3 [pid 6858] read(200, [pid 6857] <... symlink resumed>) = 0 [pid 6855] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6854] close(12 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6859] write(3, "1000", 4 [pid 6858] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6857] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... write resumed>) = 4 [pid 6858] symlink("/dev/binderfs", "./binderfs" [pid 6857] <... futex resumed>) = 0 [pid 6855] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6854] close(13 [pid 6859] close(3 [pid 6858] <... symlink resumed>) = 0 [pid 6857] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6855] <... mprotect resumed>) = 0 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... close resumed>) = 0 [pid 6858] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6855] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6854] close(14./strace-static-x86_64: Process 6860 attached [pid 6859] read(200, [pid 6858] <... futex resumed>) = 0 [pid 6857] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6860] set_robust_list(0x7fa7c8c309e0, 24 [pid 6859] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6858] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6857] <... mprotect resumed>) = 0 [pid 6855] <... clone resumed>, parent_tid=[519], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 519 [pid 6854] close(15 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6860] <... set_robust_list resumed>) = 0 [pid 6859] symlink("/dev/binderfs", "./binderfs" [pid 6858] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6857] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6855] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6861 attached [pid 6860] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6859] <... symlink resumed>) = 0 [pid 6858] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6855] <... futex resumed>) = 0 [pid 6854] close(16 [pid 6861] set_robust_list(0x7fa7c8c309e0, 24 [pid 6860] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... mprotect resumed>) = 0 [pid 6857] <... clone resumed>, parent_tid=[527], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 527 [pid 6855] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6861] <... set_robust_list resumed>) = 0 [pid 6860] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... futex resumed>) = 0 [pid 6857] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6855] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6854] close(17 [pid 6861] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6860] <... futex resumed>) = 0 [pid 6859] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6858] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6857] <... futex resumed>) = 0 [pid 6855] close(3 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, ./strace-static-x86_64: Process 6862 attached [pid 6861] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6860] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6859] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6857] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(18 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6862] set_robust_list(0x7fa7c8c309e0, 24 [pid 6861] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6858] <... clone resumed>, parent_tid=[531], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 531 [pid 6857] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6855] close(4 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6862] <... set_robust_list resumed>) = 0 [pid 6861] <... futex resumed>) = 0 [pid 6859] <... mprotect resumed>) = 0 [pid 6858] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6857] close(3 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(19 [pid 6862] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6861] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6859] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6858] <... futex resumed>) = 0 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(5 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6863 attached [pid 6862] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6857] close(4 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(20 [pid 3486] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6863] set_robust_list(0x7fa7c8c309e0, 24 [pid 6862] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6859] <... clone resumed>, parent_tid=[507], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 507 [pid 6858] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(6 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6863] <... set_robust_list resumed>) = 0 [pid 6862] <... futex resumed>) = 0 [pid 6859] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] close(3 [pid 6857] close(5 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(21 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6863] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6862] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6859] <... futex resumed>) = 0 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(7 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./268/binderfs", [pid 6863] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6858] close(4 [pid 6857] close(6 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(22 [pid 6863] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(8 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6863] <... futex resumed>) = 1 [pid 6859] <... futex resumed>) = 0 [pid 6858] close(5 [pid 6857] close(7 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(23 [pid 3486] unlink("./268/binderfs" [pid 6863] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6859] close(3 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(9 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(8 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 6859] close(4 [pid 6858] close(6 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(10 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(9 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6859] close(5 [pid 6858] close(7 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(11 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./268/cgroup", [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(10 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6859] close(6 [pid 6858] close(8 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(12 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./268/cgroup" [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(11 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 6859] close(7 [pid 6858] close(9 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(13 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(12 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6859] close(8 [pid 6858] close(10 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(14 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./268/cgroup.net", [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(13 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6859] close(9 [pid 6858] close(11 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(15 [pid 6854] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./268/cgroup.net" [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(14 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 6859] close(10 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6856] <... futex resumed>) = ? [pid 6855] close(16 [pid 6854] <... exit_group resumed>) = ? [pid 3486] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(12 [pid 6857] close(15 [pid 6856] +++ exited with 0 +++ [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6854] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6859] close(11 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(17 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] lstat("./268/cgroup.cpu", [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(13 [pid 6857] close(16 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6859] close(12 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(18 [pid 3486] unlink("./268/cgroup.cpu" [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(14 [pid 6857] close(17 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6859] close(13 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(19 [pid 3486] <... unlink resumed>) = 0 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(18 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6859] close(14 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(20 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(15 [pid 6857] close(19 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] close(3 [pid 6859] close(15 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(21 [pid 3487] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... close resumed>) = 0 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(16 [pid 6857] close(20 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./268" [pid 6859] close(16 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(22 [pid 3487] <... openat resumed>) = 3 [pid 3486] <... rmdir resumed>) = 0 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(17 [pid 3487] fstat(3, [pid 6859] close(17 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(21 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] mkdir("./269", 0777 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(18 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(23 [pid 3487] getdents64(3, [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6858] close(19 [pid 3487] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 6859] close(18 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(22 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(20 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(24 [pid 3487] lstat("./271/binderfs", [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6864 attached [pid 6859] close(19 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(23 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6864] set_robust_list(0x5555562645e0, 24 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(21 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(25 [pid 3487] unlink("./271/binderfs" [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 540 [pid 6864] <... set_robust_list resumed>) = 0 [pid 6859] close(20 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(24 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(22 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(26 [pid 3487] <... unlink resumed>) = 0 [pid 6864] chdir("./269") = 0 [pid 6859] close(21 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(25 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6864] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(23 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6864] <... prctl resumed>) = 0 [pid 6859] close(22 [pid 6857] close(26 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./271/cgroup", [pid 6864] setpgid(0, 0 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(24 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(28 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6864] <... setpgid resumed>) = 0 [pid 6859] close(23 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(27 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./271/cgroup" [pid 6864] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(25 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 6859] close(24 [pid 6864] <... symlink resumed>) = 0 [pid 6857] close(28 [pid 6855] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(26 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6864] <... symlink resumed>) = 0 [pid 6860] <... futex resumed>) = ? [pid 6859] close(25 [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] close(29 [pid 6855] <... exit_group resumed>) = ? [pid 3487] lstat("./271/cgroup.net", [pid 6864] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6860] +++ exited with 0 +++ [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] close(27 [pid 6857] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6855] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6859] close(26 [pid 6857] exit_group(0 [pid 6864] <... symlink resumed>) = 0 [pid 3487] unlink("./271/cgroup.net" [pid 6864] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6861] <... futex resumed>) = ? [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6857] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 6864] <... openat resumed>) = 3 [pid 6861] +++ exited with 0 +++ [pid 6859] close(27 [pid 6858] close(28 [pid 6857] +++ exited with 0 +++ [pid 3487] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6864] write(3, "1000", 4 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 6864] <... write resumed>) = 4 [pid 6859] close(28 [pid 6858] close(29 [pid 3487] lstat("./271/cgroup.cpu", [pid 3483] <... restart_syscall resumed>) = 0 [pid 6864] close(3 [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6864] <... close resumed>) = 0 [pid 6859] close(29 [pid 6858] exit_group(0 [pid 3487] unlink("./271/cgroup.cpu" [pid 6864] read(200, [pid 6862] <... futex resumed>) = ? [pid 6859] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6858] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 6864] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6862] +++ exited with 0 +++ [pid 6859] exit_group(0 [pid 6858] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 3483] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6864] symlink("/dev/binderfs", "./binderfs" [pid 6863] <... futex resumed>) = ? [pid 6859] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6864] <... symlink resumed>) = 0 [pid 6863] +++ exited with 0 +++ [pid 6859] +++ exited with 0 +++ [pid 3487] close(3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6864] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... close resumed>) = 0 [pid 3485] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=506, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6864] <... futex resumed>) = 0 [pid 3487] rmdir("./271" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3483] <... openat resumed>) = 3 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6864] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] fstat(3, [pid 3483] fstat(3, [pid 3482] <... restart_syscall resumed>) = 0 [pid 6864] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] getdents64(3, [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6864] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] fstat(3, [pid 3484] getdents64(3, [pid 3483] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] mkdir("./272", 0777 [pid 6864] <... mprotect resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./258/binderfs", [pid 6864] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3487] <... mkdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6865 attached [pid 3483] unlink("./258/binderfs" [pid 3482] umount2("./252", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6865] set_robust_list(0x7fa7c8c309e0, 24 [pid 6864] <... clone resumed>, parent_tid=[541], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 541 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6865] <... set_robust_list resumed>) = 0 [pid 6864] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6865] ioctl(-1, LOOP_CTL_ADD, 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6865] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./258/cgroup", [pid 6865] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] lstat("./262/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 6866 attached [pid 6865] <... futex resumed>) = 0 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 546 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./258/cgroup" [pid 3482] openat(AT_FDCWD, "./252", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6866] set_robust_list(0x5555562645e0, 24 [pid 6865] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6864] <... futex resumed>) = 0 [pid 3485] lstat("./264/binderfs", [pid 3484] unlink("./262/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 6866] <... set_robust_list resumed>) = 0 [pid 6864] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 6866] chdir("./272" [pid 6864] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] unlink("./264/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 6866] <... chdir resumed>) = 0 [pid 3483] lstat("./258/cgroup.net", [pid 6864] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./258/cgroup.net" [pid 6866] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 3483] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6866] <... prctl resumed>) = 0 [pid 6864] close(4 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6866] setpgid(0, 0 [pid 3483] lstat("./258/cgroup.cpu", [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... setpgid resumed>) = 0 [pid 6864] close(5 [pid 3485] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] umount2("./252/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./258/cgroup.cpu" [pid 6866] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./262/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 6864] close(6 [pid 6866] <... symlink resumed>) = 0 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] close(7 [pid 3485] lstat("./264/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] lstat("./252/binderfs", [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] close(8 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] close(9) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6864] close(10 [pid 3484] unlink("./262/cgroup" [pid 6866] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3482] unlink("./252/binderfs" [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./264/cgroup" [pid 3483] getdents64(3, [pid 6864] close(11) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 6864] close(12) = -1 EBADF (Bad file descriptor) [pid 6864] close(13) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 6864] close(14) = -1 EBADF (Bad file descriptor) [pid 6864] close(15) = -1 EBADF (Bad file descriptor) [pid 6864] close(16 [pid 3482] <... unlink resumed>) = 0 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6864] close(17) = -1 EBADF (Bad file descriptor) [pid 6866] <... symlink resumed>) = 0 [pid 6864] close(18 [pid 3485] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6866] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./252/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6864] close(19) = -1 EBADF (Bad file descriptor) [pid 6864] close(20) = -1 EBADF (Bad file descriptor) [pid 6866] <... symlink resumed>) = 0 [pid 6864] close(21 [pid 6866] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./264/cgroup.net", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6866] <... openat resumed>) = 3 [pid 6864] close(22 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./262/cgroup.net", [pid 3483] <... close resumed>) = 0 [pid 3482] lstat("./252/cgroup", [pid 6866] write(3, "1000", 4 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./264/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] rmdir("./258" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6866] <... write resumed>) = 4 [pid 6864] close(23 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./262/cgroup.net" [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(3 [pid 6864] close(24 [pid 3485] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] unlink("./252/cgroup" [pid 6866] <... close resumed>) = 0 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./259", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 6866] read(200, [pid 6864] close(25 [pid 6866] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./264/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] umount2("./252/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6866] symlink("/dev/binderfs", "./binderfs" [pid 6864] close(26 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./262/cgroup.cpu", [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6864] close(27) = -1 EBADF (Bad file descriptor) [pid 6866] <... symlink resumed>) = 0 [pid 6864] close(28) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./252/cgroup.net", [pid 3485] unlink("./264/cgroup.cpu"./strace-static-x86_64: Process 6867 attached [pid 6866] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6864] close(29 [pid 3484] unlink("./262/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6866] <... futex resumed>) = 0 [pid 6864] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 520 [pid 3482] unlink("./252/cgroup.net" [pid 6867] set_robust_list(0x5555562645e0, 24 [pid 6866] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6864] exit_group(0 [pid 3485] getdents64(3, [pid 3484] getdents64(3, [pid 6867] <... set_robust_list resumed>) = 0 [pid 6866] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6865] <... futex resumed>) = ? [pid 6864] <... exit_group resumed>) = ? [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6867] chdir("./259" [pid 6866] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6865] +++ exited with 0 +++ [pid 6864] +++ exited with 0 +++ [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6867] <... chdir resumed>) = 0 [pid 6866] <... mprotect resumed>) = 0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3485] close(3 [pid 3484] close(3 [pid 3482] umount2("./252/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6867] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6866] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3485] <... close resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] rmdir("./262" [pid 3482] lstat("./252/cgroup.cpu", ./strace-static-x86_64: Process 6868 attached [pid 6867] <... prctl resumed>) = 0 [pid 3485] rmdir("./264" [pid 6868] set_robust_list(0x7fa7c8c309e0, 24 [pid 6867] setpgid(0, 0 [pid 6866] <... clone resumed>, parent_tid=[547], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 547 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6868] <... set_robust_list resumed>) = 0 [pid 6867] <... setpgid resumed>) = 0 [pid 6866] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] mkdir("./263", 0777 [pid 3482] unlink("./252/cgroup.cpu" [pid 6868] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6867] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6866] <... futex resumed>) = 0 [pid 3486] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] mkdir("./265", 0777 [pid 3484] <... mkdir resumed>) = 0 [pid 6868] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... symlink resumed>) = 0 [pid 6866] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... unlink resumed>) = 0 [pid 6868] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6866] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6870 attached ./strace-static-x86_64: Process 6869 attached [pid 6868] <... futex resumed>) = 0 [pid 6867] <... symlink resumed>) = 0 [pid 6866] close(3 [pid 3486] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 6870] set_robust_list(0x5555562645e0, 24 [pid 6869] set_robust_list(0x5555562645e0, 24 [pid 6868] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6867] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 532 [pid 6870] <... set_robust_list resumed>) = 0 [pid 6869] <... set_robust_list resumed>) = 0 [pid 6867] <... symlink resumed>) = 0 [pid 6866] close(4 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 528 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6870] chdir("./265" [pid 6869] chdir("./263" [pid 6867] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6870] <... chdir resumed>) = 0 [pid 6869] <... chdir resumed>) = 0 [pid 6867] <... openat resumed>) = 3 [pid 6866] close(5 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] close(3 [pid 6870] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6869] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6867] write(3, "1000", 4 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6870] <... prctl resumed>) = 0 [pid 6869] <... prctl resumed>) = 0 [pid 6867] <... write resumed>) = 4 [pid 6866] close(6 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... close resumed>) = 0 [pid 6870] setpgid(0, 0 [pid 6869] setpgid(0, 0 [pid 6867] close(3 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./269/binderfs", [pid 6870] <... setpgid resumed>) = 0 [pid 6869] <... setpgid resumed>) = 0 [pid 6867] <... close resumed>) = 0 [pid 6866] close(7 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] rmdir("./252" [pid 6870] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6869] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6867] read(200, [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./269/binderfs" [pid 6870] <... symlink resumed>) = 0 [pid 6869] <... symlink resumed>) = 0 [pid 6867] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] close(8 [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6870] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6869] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6867] symlink("/dev/binderfs", "./binderfs" [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6870] <... symlink resumed>) = 0 [pid 6869] <... symlink resumed>) = 0 [pid 6867] <... symlink resumed>) = 0 [pid 6866] close(9 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] mkdir("./253", 0777 [pid 6870] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6869] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6867] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./269/cgroup", [pid 6870] <... symlink resumed>) = 0 [pid 6867] <... futex resumed>) = 0 [pid 6866] close(10 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6870] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6869] <... symlink resumed>) = 0 [pid 6867] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./269/cgroup" [pid 6870] <... openat resumed>) = 3 [pid 6869] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6867] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6866] close(11 [pid 3486] <... unlink resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6870] write(3, "1000", 4 [pid 6867] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6869] <... openat resumed>) = 3 [pid 6870] <... write resumed>) = 4 [pid 6867] <... mprotect resumed>) = 0 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6871 attached [pid 6870] close(3 [pid 6869] write(3, "1000", 4 [pid 6867] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6866] close(12 [pid 3486] lstat("./269/cgroup.net", ./strace-static-x86_64: Process 6872 attached [pid 6871] set_robust_list(0x5555562645e0, 24 [pid 6870] <... close resumed>) = 0 [pid 6869] <... write resumed>) = 4 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6872] set_robust_list(0x7fa7c8c309e0, 24 [pid 6871] <... set_robust_list resumed>) = 0 [pid 6870] read(200, [pid 6869] close(3 [pid 6867] <... clone resumed>, parent_tid=[521], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 521 [pid 6866] close(13 [pid 3486] unlink("./269/cgroup.net" [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 508 [pid 6872] <... set_robust_list resumed>) = 0 [pid 6871] chdir("./253" [pid 6870] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... close resumed>) = 0 [pid 6867] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6872] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6871] <... chdir resumed>) = 0 [pid 6870] symlink("/dev/binderfs", "./binderfs" [pid 6869] read(200, [pid 6867] <... futex resumed>) = 0 [pid 6866] close(14 [pid 3486] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6872] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6870] <... symlink resumed>) = 0 [pid 6869] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6872] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... prctl resumed>) = 0 [pid 6870] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6869] symlink("/dev/binderfs", "./binderfs" [pid 6867] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6866] close(15 [pid 3486] lstat("./269/cgroup.cpu", [pid 6872] <... futex resumed>) = 0 [pid 6871] setpgid(0, 0 [pid 6870] <... futex resumed>) = 0 [pid 6867] close(3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6872] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... setpgid resumed>) = 0 [pid 6870] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6869] <... symlink resumed>) = 0 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./269/cgroup.cpu" [pid 6871] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6870] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6869] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] close(4 [pid 6866] close(16 [pid 3486] <... unlink resumed>) = 0 [pid 6871] <... symlink resumed>) = 0 [pid 6870] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6869] <... futex resumed>) = 0 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6871] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6870] <... mprotect resumed>) = 0 [pid 6869] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6867] close(5 [pid 6866] close(17 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6871] <... symlink resumed>) = 0 [pid 6870] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6869] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3./strace-static-x86_64: Process 6873 attached [pid 6871] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6869] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6867] close(6 [pid 6866] close(18 [pid 6869] <... mprotect resumed>) = 0 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 6873] set_robust_list(0x7fa7c8c309e0, 24 [pid 6871] <... symlink resumed>) = 0 [pid 6870] <... clone resumed>, parent_tid=[533], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 533 [pid 6869] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(19 [pid 3486] rmdir("./269"./strace-static-x86_64: Process 6874 attached [pid 6873] <... set_robust_list resumed>) = 0 [pid 6871] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6870] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6867] close(7 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6874] set_robust_list(0x7fa7c8c309e0, 24 [pid 6870] <... futex resumed>) = 0 [pid 6869] <... clone resumed>, parent_tid=[529], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 529 [pid 6866] close(20 [pid 6874] <... set_robust_list resumed>) = 0 [pid 6870] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6869] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6874] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6873] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6871] <... openat resumed>) = 3 [pid 6869] <... futex resumed>) = 0 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 6874] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6873] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] write(3, "1000", 4 [pid 6869] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6867] close(8 [pid 6866] close(21 [pid 3486] mkdir("./270", 0777 [pid 6874] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6873] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... write resumed>) = 4 [pid 6869] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 6874] <... futex resumed>) = 0 [pid 6873] <... futex resumed>) = 1 [pid 6871] close(3 [pid 6870] <... futex resumed>) = 0 [pid 6869] close(3 [pid 6867] close(9 [pid 6866] close(22 [pid 6874] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6873] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6871] <... close resumed>) = 0 [pid 6870] close(3 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6871] read(200, [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(4 [pid 6867] close(10 [pid 6866] close(23 [pid 6871] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6870] close(4 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(5 [pid 6866] close(24 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] symlink("/dev/binderfs", "./binderfs" [pid 6869] close(6 [pid 6867] close(11 [pid 6866] close(25 [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... symlink resumed>) = 0 [pid 6869] close(7 [pid 6866] close(26./strace-static-x86_64: Process 6875 attached [pid 6871] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] close(5 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] set_robust_list(0x5555562645e0, 24 [pid 6871] <... futex resumed>) = 0 [pid 6869] close(8 [pid 6866] close(27 [pid 6867] close(12 [pid 6875] <... set_robust_list resumed>) = 0 [pid 6871] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 542 [pid 6875] chdir("./270" [pid 6871] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6870] close(6 [pid 6869] close(9 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] close(28 [pid 6875] <... chdir resumed>) = 0 [pid 6871] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(13 [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6869] close(10 [pid 6866] close(29 [pid 6875] <... prctl resumed>) = 0 [pid 6871] <... mprotect resumed>) = 0 [pid 6870] close(7 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] setpgid(0, 0 [pid 6871] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(11 [pid 6867] close(14 [pid 6866] exit_group(0./strace-static-x86_64: Process 6876 attached [pid 6875] <... setpgid resumed>) = 0 [pid 6870] close(8 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] <... exit_group resumed>) = ? [pid 6876] set_robust_list(0x7fa7c8c309e0, 24 [pid 6875] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6871] <... clone resumed>, parent_tid=[509], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 509 [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(12 [pid 6868] <... futex resumed>) = ? [pid 6867] close(15 [pid 6876] <... set_robust_list resumed>) = 0 [pid 6875] <... symlink resumed>) = 0 [pid 6871] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6870] close(9 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6876] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6875] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6869] close(13 [pid 6876] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] <... symlink resumed>) = 0 [pid 6871] <... futex resumed>) = 0 [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6868] +++ exited with 0 +++ [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6866] +++ exited with 0 +++ [pid 6876] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6871] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6870] close(10 [pid 6869] close(14 [pid 6867] close(16 [pid 6876] <... futex resumed>) = 0 [pid 6875] <... symlink resumed>) = 0 [pid 6871] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6876] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6871] close(3 [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(15 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6875] <... openat resumed>) = 3 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(17 [pid 6875] write(3, "1000", 4 [pid 6871] close(4 [pid 6870] close(11 [pid 6869] close(16 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] <... write resumed>) = 4 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(18 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] close(3 [pid 6871] close(5 [pid 6870] close(12 [pid 6869] close(17 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] <... close resumed>) = 0 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(19 [pid 3487] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6875] read(200, [pid 6871] close(6 [pid 6870] close(13 [pid 6869] close(18 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 6875] symlink("/dev/binderfs", "./binderfs" [pid 6871] close(7 [pid 6870] close(14 [pid 6869] close(19 [pid 6867] close(20 [pid 3487] fstat(3, [pid 6875] <... symlink resumed>) = 0 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6875] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] close(8 [pid 6870] close(15 [pid 6869] close(20 [pid 6867] close(21 [pid 6875] <... futex resumed>) = 0 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6871] close(9 [pid 6870] close(16 [pid 6869] close(21 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6875] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(22 [pid 3487] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6871] close(10 [pid 6870] close(17 [pid 6869] close(22 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] <... mprotect resumed>) = 0 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(23 [pid 3487] lstat("./272/binderfs", [pid 6875] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6871] close(11 [pid 6870] close(18 [pid 6869] close(23 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6877 attached [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(24 [pid 3487] unlink("./272/binderfs" [pid 6877] set_robust_list(0x7fa7c8c309e0, 24 [pid 6875] <... clone resumed>, parent_tid=[543], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 543 [pid 6871] close(12 [pid 6870] close(19 [pid 6869] close(24 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6877] <... set_robust_list resumed>) = 0 [pid 6875] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6877] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6875] <... futex resumed>) = 0 [pid 6869] close(25 [pid 6877] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6871] close(13 [pid 6870] close(20 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(25 [pid 3487] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6877] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6875] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(26 [pid 6877] <... futex resumed>) = 0 [pid 6875] close(3 [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6877] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(14 [pid 6869] close(27 [pid 6870] close(21 [pid 6875] close(4 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] close(26 [pid 3487] lstat("./272/cgroup", [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(28 [pid 6875] close(5 [pid 6871] close(15 [pid 6870] close(22 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] close(29 [pid 6867] close(27 [pid 3487] unlink("./272/cgroup" [pid 6875] close(6 [pid 6869] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(16 [pid 6870] close(23 [pid 6869] exit_group(0 [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6875] close(7 [pid 6874] <... futex resumed>) = ? [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6869] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6874] +++ exited with 0 +++ [pid 6871] close(17 [pid 6870] close(24 [pid 6869] +++ exited with 0 +++ [pid 6867] close(28 [pid 3487] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] close(8 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(18 [pid 6870] close(25 [pid 6867] close(29 [pid 3487] lstat("./272/cgroup.net", [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6875] close(9 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(19 [pid 6870] close(26 [pid 6867] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] close(10 [pid 6872] <... futex resumed>) = ? [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] <... exit_group resumed>) = ? [pid 3487] unlink("./272/cgroup.net" [pid 3484] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(20 [pid 6870] close(27 [pid 3484] <... openat resumed>) = 3 [pid 6875] close(11 [pid 6872] +++ exited with 0 +++ [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6875] close(12 [pid 3484] getdents64(3, [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(21 [pid 6870] close(28 [pid 3487] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6875] close(13 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6867] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(22 [pid 6870] close(29 [pid 3487] lstat("./272/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] close(14 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./263/binderfs", [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(23 [pid 6870] exit_group(0 [pid 3487] unlink("./272/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6875] close(15 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] <... exit_group resumed>) = ? [pid 3484] unlink("./263/binderfs" [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6873] <... futex resumed>) = ? [pid 6871] close(24 [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6875] close(16 [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] close(17 [pid 6871] close(25 [pid 3487] getdents64(3, [pid 3484] lstat("./263/cgroup", [pid 3483] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6873] +++ exited with 0 +++ [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6870] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6875] close(18 [pid 6871] close(26 [pid 3487] close(3 [pid 3484] unlink("./263/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3484] <... unlink resumed>) = 0 [pid 6875] close(19 [pid 6871] close(27 [pid 3487] rmdir("./272" [pid 3485] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6875] close(20 [pid 3485] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] lstat("./263/cgroup.net", [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] close(28 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 6875] close(21 [pid 3485] fstat(3, [pid 3484] unlink("./263/cgroup.net" [pid 3483] fstat(3, [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./273", 0777 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6875] close(22 [pid 6871] close(29 [pid 3485] getdents64(3, [pid 3484] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 6875] close(23 [pid 6871] exit_group(0 [pid 3485] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./263/cgroup.cpu", [pid 6876] <... futex resumed>) = ? [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] <... exit_group resumed>) = ? [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6876] +++ exited with 0 +++ [pid 6875] close(24 [pid 3485] lstat("./265/binderfs", [pid 3484] unlink("./263/cgroup.cpu" [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6871] +++ exited with 0 +++ [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6878 attached [pid 6875] close(25 [pid 3485] unlink("./265/binderfs" [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=508, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 6878] set_robust_list(0x5555562645e0, 24 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 548 [pid 3483] lstat("./259/binderfs", [pid 6878] <... set_robust_list resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 6878] chdir("./273" [pid 6875] close(26 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] unlink("./259/binderfs" [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6878] <... chdir resumed>) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] close(3 [pid 3483] <... unlink resumed>) = 0 [pid 6878] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6875] close(27 [pid 3483] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... restart_syscall resumed>) = 0 [pid 6878] <... prctl resumed>) = 0 [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... close resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6878] setpgid(0, 0 [pid 3483] lstat("./259/cgroup", [pid 6878] <... setpgid resumed>) = 0 [pid 6875] close(28 [pid 3485] lstat("./265/cgroup", [pid 3484] rmdir("./263" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6878] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./259/cgroup" [pid 6878] <... symlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6878] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3483] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6878] <... symlink resumed>) = 0 [pid 6875] close(29 [pid 3485] unlink("./265/cgroup" [pid 3484] mkdir("./264", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./253", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6878] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6875] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./259/cgroup.net", [pid 6878] <... symlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6878] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3483] unlink("./259/cgroup.net" [pid 6878] <... openat resumed>) = 3 [pid 6875] exit_group(0 [pid 3485] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./253", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6878] write(3, "1000", 4 [pid 3483] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6878] <... write resumed>) = 4 [pid 6877] <... futex resumed>) = ? [pid 6875] <... exit_group resumed>) = ? [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 6878] close(3 [pid 6877] +++ exited with 0 +++ [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] lstat("./259/cgroup.cpu", [pid 3482] fstat(3, [pid 6878] <... close resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6878] read(200, [pid 3483] unlink("./259/cgroup.cpu" [pid 6878] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6875] +++ exited with 0 +++ [pid 3485] lstat("./265/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6878] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] getdents64(3, ./strace-static-x86_64: Process 6879 attached [pid 6878] <... symlink resumed>) = 0 [pid 3485] unlink("./265/cgroup.net" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] getdents64(3, [pid 6879] set_robust_list(0x5555562645e0, 24 [pid 6878] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] close(3 [pid 6879] <... set_robust_list resumed>) = 0 [pid 6878] <... futex resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 6879] chdir("./264" [pid 6878] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3483] rmdir("./259" [pid 6879] <... chdir resumed>) = 0 [pid 6878] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 530 [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6879] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6878] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3483] mkdir("./260", 0777 [pid 6879] <... prctl resumed>) = 0 [pid 6878] <... mprotect resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] umount2("./253/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6879] setpgid(0, 0 [pid 6878] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3486] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6881 attached ./strace-static-x86_64: Process 6880 attached [pid 6879] <... setpgid resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./265/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6881] set_robust_list(0x5555562645e0, 24 [pid 6880] set_robust_list(0x7fa7c8c309e0, 24 [pid 6879] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6878] <... clone resumed>, parent_tid=[549], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 549 [pid 3486] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 522 [pid 3482] lstat("./253/binderfs", [pid 6881] <... set_robust_list resumed>) = 0 [pid 6880] <... set_robust_list resumed>) = 0 [pid 6879] <... symlink resumed>) = 0 [pid 6878] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... openat resumed>) = 3 [pid 6881] chdir("./260" [pid 6880] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6879] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6878] <... futex resumed>) = 0 [pid 3485] unlink("./265/cgroup.cpu" [pid 6881] <... chdir resumed>) = 0 [pid 6880] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... symlink resumed>) = 0 [pid 6878] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6881] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6880] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6878] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... unlink resumed>) = 0 [pid 6881] <... prctl resumed>) = 0 [pid 6880] <... futex resumed>) = 0 [pid 6879] <... symlink resumed>) = 0 [pid 6878] close(3 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] getdents64(3, [pid 3482] unlink("./253/binderfs" [pid 6881] setpgid(0, 0 [pid 6880] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6879] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6881] <... setpgid resumed>) = 0 [pid 6879] <... openat resumed>) = 3 [pid 6878] close(4 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... unlink resumed>) = 0 [pid 6881] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6879] write(3, "1000", 4 [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 6881] <... symlink resumed>) = 0 [pid 6879] <... write resumed>) = 4 [pid 6878] close(5 [pid 3486] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./253/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6881] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6879] close(3 [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... close resumed>) = 0 [pid 6881] <... symlink resumed>) = 0 [pid 6879] <... close resumed>) = 0 [pid 6878] close(6 [pid 3486] lstat("./270/binderfs", [pid 3485] rmdir("./265" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6881] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6879] read(200, [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... symlink resumed>) = 0 [pid 6879] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] close(7 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6881] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6879] symlink("/dev/binderfs", "./binderfs" [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3482] lstat("./253/cgroup", [pid 6881] <... openat resumed>) = 3 [pid 6879] <... symlink resumed>) = 0 [pid 6878] close(8 [pid 3486] unlink("./270/binderfs" [pid 6881] write(3, "1000", 4 [pid 6879] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./266", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6881] <... write resumed>) = 4 [pid 6879] <... futex resumed>) = 0 [pid 6878] close(9 [pid 3486] <... unlink resumed>) = 0 [pid 6881] close(3 [pid 6879] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./253/cgroup" [pid 6881] <... close resumed>) = 0 [pid 6879] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6878] close(10 [pid 6881] read(200, [pid 6879] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 6881] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6879] <... mprotect resumed>) = 0 [pid 6878] close(11 [pid 3486] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6881] symlink("/dev/binderfs", "./binderfs" [pid 6879] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6882 attached [pid 6881] <... symlink resumed>) = 0 [pid 6878] close(12 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./253/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6882] set_robust_list(0x7fa7c8c309e0, 24 [pid 6881] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] <... clone resumed>, parent_tid=[531], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 531 [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6883 attached [pid 6882] <... set_robust_list resumed>) = 0 [pid 6881] <... futex resumed>) = 0 [pid 6879] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6878] close(13 [pid 3486] lstat("./270/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6883] set_robust_list(0x5555562645e0, 24 [pid 6882] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6881] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6879] <... futex resumed>) = 0 [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6883] <... set_robust_list resumed>) = 0 [pid 6882] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6879] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6878] close(14 [pid 6883] chdir("./266" [pid 6882] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6879] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./270/cgroup" [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 534 [pid 3482] lstat("./253/cgroup.net", [pid 6883] <... chdir resumed>) = 0 [pid 6882] <... futex resumed>) = 0 [pid 6881] <... mprotect resumed>) = 0 [pid 6879] close(3 [pid 6878] close(15 [pid 6883] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6882] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6881] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6884 attached [pid 6883] <... prctl resumed>) = 0 [pid 6879] close(4 [pid 6878] close(16 [pid 3486] <... unlink resumed>) = 0 [pid 3482] unlink("./253/cgroup.net" [pid 6884] set_robust_list(0x7fa7c8c309e0, 24 [pid 6883] setpgid(0, 0 [pid 6881] <... clone resumed>, parent_tid=[523], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 523 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6884] <... set_robust_list resumed>) = 0 [pid 6883] <... setpgid resumed>) = 0 [pid 6881] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6879] close(5 [pid 6878] close(17 [pid 6884] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6883] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6881] <... futex resumed>) = 0 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6884] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... symlink resumed>) = 0 [pid 6881] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6879] close(6 [pid 6878] close(18 [pid 3486] lstat("./270/cgroup.net", [pid 3482] umount2("./253/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6884] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6881] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6884] <... futex resumed>) = 0 [pid 6883] <... symlink resumed>) = 0 [pid 6881] close(3 [pid 6879] close(7 [pid 6878] close(19 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./270/cgroup.net" [pid 6884] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./253/cgroup.cpu", [pid 6883] <... symlink resumed>) = 0 [pid 6881] close(4 [pid 6879] close(8 [pid 6878] close(20 [pid 3486] <... unlink resumed>) = 0 [pid 6883] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6883] <... openat resumed>) = 3 [pid 6881] close(5 [pid 6879] close(9 [pid 6878] close(21 [pid 6883] write(3, "1000", 4 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./253/cgroup.cpu" [pid 6883] <... write resumed>) = 4 [pid 6881] close(6 [pid 6879] close(10 [pid 6878] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6883] close(3 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... close resumed>) = 0 [pid 6881] close(7 [pid 6879] close(11 [pid 6878] close(23 [pid 3486] lstat("./270/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 6883] read(200, [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] close(8 [pid 6879] close(12 [pid 6878] close(24 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] getdents64(3, [pid 6883] symlink("/dev/binderfs", "./binderfs" [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./270/cgroup.cpu" [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6883] <... symlink resumed>) = 0 [pid 6881] close(9 [pid 6879] close(13 [pid 6878] close(25 [pid 6883] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... futex resumed>) = 0 [pid 6881] close(10 [pid 6879] close(14 [pid 6878] close(26 [pid 3486] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 6883] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6883] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6881] close(11 [pid 6879] close(15 [pid 6878] close(27 [pid 3482] <... close resumed>) = 0 [pid 6883] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6883] <... mprotect resumed>) = 0 [pid 6881] close(12 [pid 6879] close(16 [pid 6878] close(28 [pid 3482] rmdir("./253" [pid 6883] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6885 attached [pid 6881] close(13 [pid 6879] close(17 [pid 6878] close(29 [pid 6885] set_robust_list(0x7fa7c8c309e0, 24 [pid 6883] <... clone resumed>, parent_tid=[535], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 535 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3482] <... rmdir resumed>) = 0 [pid 6885] <... set_robust_list resumed>) = 0 [pid 6883] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6881] close(14 [pid 6879] close(18 [pid 6878] exit_group(0 [pid 3486] <... close resumed>) = 0 [pid 3482] mkdir("./254", 0777 [pid 6885] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6883] <... futex resumed>) = 0 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6880] <... futex resumed>) = ? [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6878] <... exit_group resumed>) = ? [pid 3486] rmdir("./270" [pid 6885] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6881] close(15 [pid 6880] +++ exited with 0 +++ [pid 6879] close(19 [pid 6878] +++ exited with 0 +++ [pid 3486] <... rmdir resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6885] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./271", 0777 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6885] <... futex resumed>) = 0 [pid 6883] close(3 [pid 6881] close(16 [pid 6879] close(20 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6885] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6886 attached [pid 6883] close(4 [pid 6881] close(17 [pid 6879] close(21 [pid 6886] set_robust_list(0x5555562645e0, 24 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 510 [pid 6886] <... set_robust_list resumed>) = 0 [pid 6883] close(5 [pid 6881] close(18 [pid 6879] close(22 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6886] chdir("./254" [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6887 attached [pid 6886] <... chdir resumed>) = 0 [pid 6883] close(6 [pid 6881] close(19 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 544 [pid 6887] set_robust_list(0x5555562645e0, 24 [pid 6886] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] close(23 [pid 3487] <... openat resumed>) = 3 [pid 6887] <... set_robust_list resumed>) = 0 [pid 6886] <... prctl resumed>) = 0 [pid 6883] close(7 [pid 6881] close(20 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 6887] chdir("./271" [pid 6886] setpgid(0, 0 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] close(24 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6887] <... chdir resumed>) = 0 [pid 6886] <... setpgid resumed>) = 0 [pid 6883] close(8 [pid 6881] close(21 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 6887] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6886] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6887] <... prctl resumed>) = 0 [pid 6886] <... symlink resumed>) = 0 [pid 6883] close(9 [pid 6879] close(25 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6887] setpgid(0, 0 [pid 6886] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] close(22 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6887] <... setpgid resumed>) = 0 [pid 6886] <... symlink resumed>) = 0 [pid 6883] close(10 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6886] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] close(23 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./273/binderfs", [pid 6887] <... symlink resumed>) = 0 [pid 6886] <... symlink resumed>) = 0 [pid 6883] close(11 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] close(27 [pid 6887] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6886] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] close(24 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6887] <... symlink resumed>) = 0 [pid 6886] <... openat resumed>) = 3 [pid 6883] close(12 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] close(28 [pid 3487] unlink("./273/binderfs" [pid 6887] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6886] write(3, "1000", 4 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] close(25 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... write resumed>) = 4 [pid 6883] close(13 [pid 3487] <... unlink resumed>) = 0 [pid 6887] <... symlink resumed>) = 0 [pid 6886] close(3 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] close(29 [pid 3487] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6887] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6886] <... close resumed>) = 0 [pid 6883] close(14 [pid 6881] close(26 [pid 6879] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] <... openat resumed>) = 3 [pid 6886] read(200, [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] exit_group(0 [pid 3487] lstat("./273/cgroup", [pid 6887] write(3, "1000", 4 [pid 6886] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] close(15 [pid 6882] <... futex resumed>) = ? [pid 6881] close(27 [pid 6879] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6887] <... write resumed>) = 4 [pid 6886] symlink("/dev/binderfs", "./binderfs" [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6882] +++ exited with 0 +++ [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6879] +++ exited with 0 +++ [pid 3487] unlink("./273/cgroup" [pid 6887] close(3 [pid 6886] <... symlink resumed>) = 0 [pid 6883] close(16 [pid 6881] close(28 [pid 3487] <... unlink resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6887] <... close resumed>) = 0 [pid 6886] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6887] read(200, [pid 6881] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] close(17 [pid 6881] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./273/cgroup.net", [pid 6886] <... futex resumed>) = 0 [pid 6887] symlink("/dev/binderfs", "./binderfs" [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6881] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6887] <... symlink resumed>) = 0 [pid 6886] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6884] <... futex resumed>) = ? [pid 6883] close(18 [pid 6881] <... exit_group resumed>) = ? [pid 3487] unlink("./273/cgroup.net" [pid 6887] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6884] +++ exited with 0 +++ [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6887] <... futex resumed>) = 0 [pid 6886] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6881] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 6887] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6886] <... mprotect resumed>) = 0 [pid 6883] close(19 [pid 3487] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6887] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6886] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6888 attached [pid 6887] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6883] close(20 [pid 3487] lstat("./273/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6888] set_robust_list(0x7fa7c8c309e0, 24 [pid 6887] <... mprotect resumed>) = 0 [pid 6886] <... clone resumed>, parent_tid=[511], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 511 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6888] <... set_robust_list resumed>) = 0 [pid 6887] clone(child_stack=0x7fa7c8c303f0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID [pid 6886] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6883] close(21 [pid 3487] unlink("./273/cgroup.cpu" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6889 attached [pid 6888] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6886] <... futex resumed>) = 0 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6889] set_robust_list(0x7fa7c8c309e0, 24 [pid 6888] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6887] <... clone resumed>, parent_tid=[545], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 545 [pid 6886] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6883] close(22 [pid 3487] getdents64(3, [pid 3484] fstat(3, [pid 3483] <... openat resumed>) = 3 [pid 6889] <... set_robust_list resumed>) = 0 [pid 6888] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6886] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] fstat(3, [pid 6889] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6888] <... futex resumed>) = 0 [pid 6887] <... futex resumed>) = 0 [pid 6886] close(3 [pid 6883] close(23 [pid 3487] close(3 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6889] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6888] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] getdents64(3, [pid 6889] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6886] close(4 [pid 6883] close(24 [pid 3487] rmdir("./273" [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6889] <... futex resumed>) = 0 [pid 6887] close(3 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3484] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6889] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./274", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] close(4 [pid 6886] close(5 [pid 6883] close(25 [pid 3487] <... mkdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./260/binderfs", [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] lstat("./264/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6890 attached [pid 6887] close(5 [pid 6886] close(6 [pid 6883] close(26 [pid 3483] unlink("./260/binderfs" [pid 6890] set_robust_list(0x5555562645e0, 24 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 550 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6890] <... set_robust_list resumed>) = 0 [pid 6887] close(6 [pid 6886] close(7 [pid 6883] close(27 [pid 3483] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6890] chdir("./274" [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./264/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6890] <... chdir resumed>) = 0 [pid 6887] close(7 [pid 3483] lstat("./260/cgroup", [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(8 [pid 6883] close(28 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6890] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6887] close(8 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./260/cgroup" [pid 6890] <... prctl resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(9 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 6890] setpgid(0, 0 [pid 6887] close(9 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] close(29 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6890] <... setpgid resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(10 [pid 6883] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./264/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6890] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6887] close(10 [pid 3483] lstat("./260/cgroup.net", [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid