./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 6883] exit_group(0 [pid 3484] <... 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 6887] close(11 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./264/cgroup" [pid 6885] <... futex resumed>) = ? [pid 6883] <... exit_group resumed>) = ? [pid 3483] unlink("./260/cgroup.net" [pid 6890] <... symlink resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(11 [pid 6885] +++ exited with 0 +++ [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6887] close(12 [pid 3483] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6890] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6883] +++ exited with 0 +++ [pid 3484] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6887] close(13 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] lstat("./260/cgroup.cpu", [pid 6890] <... symlink resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(12 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6890] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6887] close(14 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./264/cgroup.net", [pid 3483] unlink("./260/cgroup.cpu" [pid 6890] <... symlink resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(13 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6890] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6887] close(15 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 6890] <... openat resumed>) = 3 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(14 [pid 3484] unlink("./264/cgroup.net" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6890] write(3, "1000", 4 [pid 6887] close(16 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 6887] close(17 [pid 3485] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] rmdir("./260" [pid 6890] <... write resumed>) = 4 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(15 [pid 3485] <... openat resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 6890] close(3 [pid 6887] close(18 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] fstat(3, [pid 3483] mkdir("./261", 0777 [pid 6890] <... close resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(16 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... mkdir resumed>) = 0 [pid 6890] read(200, [pid 6887] close(19 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6891 attached [pid 6890] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(17 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./264/cgroup.cpu", [pid 6891] set_robust_list(0x5555562645e0, 24 [pid 6890] symlink("/dev/binderfs", "./binderfs" [pid 6887] close(20 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 524 [pid 6891] <... set_robust_list resumed>) = 0 [pid 6890] <... symlink resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6891] chdir("./261" [pid 6890] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] close(21 [pid 6886] close(18 [pid 3485] lstat("./266/binderfs", [pid 3484] unlink("./264/cgroup.cpu" [pid 6891] <... chdir resumed>) = 0 [pid 6890] <... futex resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6891] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6890] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6887] close(22 [pid 6886] close(19 [pid 3485] unlink("./266/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 6891] <... prctl resumed>) = 0 [pid 6890] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 6891] setpgid(0, 0 [pid 6890] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6887] close(23 [pid 6886] close(20 [pid 3485] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 6891] <... setpgid resumed>) = 0 [pid 6890] <... mprotect resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6891] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6890] 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 6887] close(24 [pid 6886] close(21 [pid 3485] lstat("./266/cgroup", [pid 3484] close(3./strace-static-x86_64: Process 6892 attached [pid 6891] <... symlink resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 6892] set_robust_list(0x7fa7c8c309e0, 24 [pid 6891] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6890] <... clone resumed>, parent_tid=[551], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 551 [pid 6887] close(25 [pid 6886] close(22 [pid 3485] unlink("./266/cgroup" [pid 3484] rmdir("./264" [pid 6892] <... set_robust_list resumed>) = 0 [pid 6891] <... symlink resumed>) = 0 [pid 6890] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 6892] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6891] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6887] close(26 [pid 6886] close(23 [pid 3485] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... rmdir resumed>) = 0 [pid 6892] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] <... symlink resumed>) = 0 [pid 6890] <... futex resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] mkdir("./265", 0777 [pid 6892] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6887] close(27 [pid 3485] lstat("./266/cgroup.net", [pid 6892] <... futex resumed>) = 0 [pid 6891] <... openat resumed>) = 3 [pid 6890] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(24 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 6892] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6891] write(3, "1000", 4 [pid 6890] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6887] close(28 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./266/cgroup.net" [pid 6891] <... write resumed>) = 4 [pid 6890] close(3 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(25 [pid 3485] <... unlink resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6891] close(3 [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6887] close(29 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6891] <... close resumed>) = 0 [pid 6887] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6893 attached [pid 6891] read(200, [pid 6890] close(4 [pid 6887] exit_group(0 [pid 6886] close(26 [pid 3485] lstat("./266/cgroup.cpu", [pid 6893] set_robust_list(0x5555562645e0, 24 [pid 6891] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6889] <... futex resumed>) = ? [pid 6887] <... exit_group resumed>) = ? [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6893] <... set_robust_list resumed>) = 0 [pid 6891] symlink("/dev/binderfs", "./binderfs" [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6889] +++ exited with 0 +++ [pid 6887] +++ exited with 0 +++ [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./266/cgroup.cpu" [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 532 [pid 6893] chdir("./265" [pid 6891] <... symlink resumed>) = 0 [pid 6890] close(5 [pid 6886] close(27 [pid 3485] <... unlink resumed>) = 0 [pid 6893] <... chdir resumed>) = 0 [pid 6891] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6891] <... futex resumed>) = 0 [pid 6890] close(6 [pid 6886] close(28 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] getdents64(3, [pid 6893] <... prctl resumed>) = 0 [pid 6891] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6893] setpgid(0, 0 [pid 6891] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] close(3 [pid 6893] <... setpgid resumed>) = 0 [pid 6891] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... close resumed>) = 0 [pid 6893] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6891] <... mprotect resumed>) = 0 [pid 3486] <... openat resumed>) = 3 [pid 3485] rmdir("./266" [pid 6893] <... symlink resumed>) = 0 [pid 6891] 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 6890] close(7 [pid 6886] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6894 attached [pid 6893] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6886] exit_group(0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] mkdir("./267", 0777 [pid 6894] set_robust_list(0x7fa7c8c309e0, 24 [pid 6893] <... symlink resumed>) = 0 [pid 6891] <... clone resumed>, parent_tid=[525], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 525 [pid 6890] close(8 [pid 6888] <... futex resumed>) = ? [pid 6886] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 6894] <... set_robust_list resumed>) = 0 [pid 6893] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6891] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6894] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6893] <... symlink resumed>) = 0 [pid 6891] <... futex resumed>) = 0 [pid 3486] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... mkdir resumed>) = 0 [pid 6894] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6891] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6894] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... openat resumed>) = 3 [pid 6891] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] lstat("./271/binderfs", [pid 6894] <... futex resumed>) = 0 [pid 6893] write(3, "1000", 4 [pid 6891] close(3 [pid 6890] close(9 [pid 6888] +++ exited with 0 +++ [pid 6886] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6894] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6893] <... write resumed>) = 4 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./271/binderfs"./strace-static-x86_64: Process 6895 attached [pid 6893] close(3 [pid 6891] close(4 [pid 6890] close(10 [pid 3486] <... unlink resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=510, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6895] set_robust_list(0x5555562645e0, 24 [pid 6893] <... close resumed>) = 0 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6895] <... set_robust_list resumed>) = 0 [pid 6893] read(200, [pid 6891] close(5 [pid 6890] close(11 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 536 [pid 6895] chdir("./267" [pid 6893] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./271/cgroup", [pid 6895] <... chdir resumed>) = 0 [pid 6893] symlink("/dev/binderfs", "./binderfs" [pid 6891] close(6 [pid 6890] close(12 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6895] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6893] <... symlink resumed>) = 0 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./271/cgroup" [pid 3482] umount2("./254", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6895] <... prctl resumed>) = 0 [pid 6893] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] close(7 [pid 6890] close(13 [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6895] setpgid(0, 0 [pid 6893] <... futex resumed>) = 0 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./254", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6895] <... setpgid resumed>) = 0 [pid 6893] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6891] close(8 [pid 6890] close(14 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 6895] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6893] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./271/cgroup.net", [pid 6895] <... symlink resumed>) = 0 [pid 6893] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6891] close(9 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6890] close(15 [pid 3482] fstat(3, [pid 6895] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6893] <... mprotect resumed>) = 0 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./271/cgroup.net" [pid 6895] <... symlink resumed>) = 0 [pid 6893] 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 6891] close(10 [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6896 attached [pid 6895] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] close(16 [pid 3486] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 6896] set_robust_list(0x7fa7c8c309e0, 24 [pid 6895] <... symlink resumed>) = 0 [pid 6893] <... clone resumed>, parent_tid=[533], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 533 [pid 6891] close(11 [pid 3486] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6896] <... set_robust_list resumed>) = 0 [pid 6895] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6893] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6896] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6895] <... openat resumed>) = 3 [pid 6893] <... futex resumed>) = 0 [pid 6891] close(12 [pid 6890] close(17 [pid 3486] lstat("./271/cgroup.cpu", [pid 3482] umount2("./254/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6896] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] write(3, "1000", 4 [pid 6893] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6896] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... write resumed>) = 4 [pid 6893] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6891] close(13 [pid 3486] unlink("./271/cgroup.cpu" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6896] <... futex resumed>) = 0 [pid 6895] close(3 [pid 6893] close(3 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 6896] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6895] <... close resumed>) = 0 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(14 [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3482] lstat("./254/binderfs", [pid 6895] read(200, [pid 6893] close(4 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] close(19 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6895] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(15 [pid 3486] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6895] symlink("/dev/binderfs", "./binderfs" [pid 6893] close(5 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 6895] <... symlink resumed>) = 0 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(16 [pid 6890] close(20 [pid 3486] rmdir("./271" [pid 3482] unlink("./254/binderfs" [pid 6895] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] close(6 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 6895] <... futex resumed>) = 0 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(17 [pid 6890] close(21 [pid 3486] mkdir("./272", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 6895] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6893] close(7 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 6895] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(18 [pid 6890] close(22 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./254/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6897 attached [pid 6895] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6893] close(8 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] set_robust_list(0x5555562645e0, 24 [pid 6895] <... mprotect resumed>) = 0 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(19 [pid 6890] close(23 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 546 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6897] <... set_robust_list resumed>) = 0 [pid 6895] 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 6893] close(9 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6898 attached [pid 6897] chdir("./272" [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(20 [pid 6890] close(24 [pid 3482] lstat("./254/cgroup", [pid 6898] set_robust_list(0x7fa7c8c309e0, 24 [pid 6897] <... chdir resumed>) = 0 [pid 6895] <... clone resumed>, parent_tid=[537], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 537 [pid 6893] close(10 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6898] <... set_robust_list resumed>) = 0 [pid 6897] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6895] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(21 [pid 6890] close(25 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6898] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6897] <... prctl resumed>) = 0 [pid 6895] <... futex resumed>) = 0 [pid 6893] close(11 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./254/cgroup" [pid 6898] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] setpgid(0, 0 [pid 6895] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(22 [pid 6890] close(26 [pid 6897] <... setpgid resumed>) = 0 [pid 6893] close(12 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 6898] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(23 [pid 6890] close(27 [pid 6898] <... futex resumed>) = 1 [pid 6897] <... symlink resumed>) = 0 [pid 6895] <... futex resumed>) = 0 [pid 6893] close(13 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./254/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6898] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6895] close(3 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(24 [pid 6890] close(28 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6897] <... symlink resumed>) = 0 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(14 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6895] close(4 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(25 [pid 6890] close(29 [pid 3482] lstat("./254/cgroup.net", [pid 6897] <... symlink resumed>) = 0 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(15 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6895] close(5 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(26 [pid 6890] exit_group(0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6897] <... openat resumed>) = 3 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(16 [pid 6892] <... futex resumed>) = ? [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] <... exit_group resumed>) = ? [pid 6897] write(3, "1000", 4 [pid 6895] close(6 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6892] +++ exited with 0 +++ [pid 6891] close(27 [pid 3482] unlink("./254/cgroup.net" [pid 6897] <... write resumed>) = 4 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(17 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] close(3 [pid 6895] close(7 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(28 [pid 6897] <... close resumed>) = 0 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(18 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] read(200, [pid 6895] close(8 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] close(29 [pid 3482] <... unlink resumed>) = 0 [pid 6897] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(19 [pid 6891] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6890] +++ exited with 0 +++ [pid 6897] symlink("/dev/binderfs", "./binderfs" [pid 6895] close(9 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] exit_group(0 [pid 3482] umount2("./254/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6897] <... symlink resumed>) = 0 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6894] <... futex resumed>) = ? [pid 6893] close(20 [pid 6891] <... exit_group resumed>) = ? [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6897] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] close(10 [pid 6894] +++ exited with 0 +++ [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6891] +++ exited with 0 +++ [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 6897] <... futex resumed>) = 0 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(21 [pid 3487] <... restart_syscall resumed>) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] lstat("./254/cgroup.cpu", [pid 6897] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6895] close(11 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(22 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6897] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6895] close(12 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6897] <... mprotect resumed>) = 0 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./254/cgroup.cpu" [pid 6897] 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 6895] close(13 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 6899 attached [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(24 [pid 3487] <... openat resumed>) = 3 [pid 3483] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6899] set_robust_list(0x7fa7c8c309e0, 24 [pid 6897] <... clone resumed>, parent_tid=[547], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 547 [pid 6895] close(14 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6899] <... set_robust_list resumed>) = 0 [pid 6897] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(25 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] getdents64(3, [pid 6899] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6897] <... futex resumed>) = 0 [pid 6895] close(15 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3483] <... openat resumed>) = 3 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6899] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(26 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] fstat(3, [pid 6899] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6895] close(16 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] close(3 [pid 6899] <... futex resumed>) = 0 [pid 6897] close(3 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 6899] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] close(17 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./274/binderfs", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... close resumed>) = 0 [pid 6897] close(4 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(28 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] close(18 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./274/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] rmdir("./254" [pid 6897] close(5 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 3483] lstat("./261/binderfs", [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] close(19 [pid 6893] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6897] close(6 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./261/binderfs" [pid 3482] <... rmdir resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6896] <... futex resumed>) = ? [pid 6895] close(20 [pid 6893] <... exit_group resumed>) = ? [pid 3487] lstat("./274/cgroup", [pid 3483] <... unlink resumed>) = 0 [pid 3482] mkdir("./255", 0777 [pid 6897] close(7 [pid 6896] +++ exited with 0 +++ [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6893] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] close(21 [pid 3487] unlink("./274/cgroup" [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6900 attached [pid 6897] close(8 [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 6900] set_robust_list(0x5555562645e0, 24 [pid 6895] close(22 [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 512 [pid 6900] <... set_robust_list resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6900] chdir("./255" [pid 6897] close(9 [pid 6895] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./261/cgroup", [pid 6900] <... chdir resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./274/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6900] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6897] close(10 [pid 6895] close(24 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./261/cgroup" [pid 6900] <... prctl resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./274/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 6900] setpgid(0, 0 [pid 6897] close(11 [pid 6895] close(25 [pid 3487] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6900] <... setpgid resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6900] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6897] close(12 [pid 6895] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./261/cgroup.net", [pid 6900] <... symlink resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./274/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6900] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6897] close(13 [pid 6895] close(27 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] fstat(3, [pid 3483] unlink("./261/cgroup.net" [pid 6900] <... symlink resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./274/cgroup.cpu" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6900] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6897] close(14 [pid 6895] close(28 [pid 3487] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6900] <... symlink resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6900] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6897] close(15 [pid 6895] close(29 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./261/cgroup.cpu", [pid 6900] <... openat resumed>) = 3 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6900] write(3, "1000", 4 [pid 6897] close(16 [pid 6895] exit_group(0 [pid 3487] <... close resumed>) = 0 [pid 3484] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./261/cgroup.cpu" [pid 6900] <... write resumed>) = 4 [pid 6898] <... futex resumed>) = ? [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6895] <... exit_group resumed>) = ? [pid 3487] rmdir("./274" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 6900] close(3 [pid 6897] close(17 [pid 3487] <... rmdir resumed>) = 0 [pid 3483] getdents64(3, [pid 6900] <... close resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./275", 0777 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6900] read(200, [pid 6897] close(18 [pid 3487] <... mkdir resumed>) = 0 [pid 3483] close(3 [pid 6900] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] lstat("./265/binderfs", [pid 3483] <... close resumed>) = 0 ./strace-static-x86_64: Process 6901 attached [pid 6900] symlink("/dev/binderfs", "./binderfs" [pid 6898] +++ exited with 0 +++ [pid 6897] close(19 [pid 6895] +++ exited with 0 +++ [pid 3483] rmdir("./261" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6901] set_robust_list(0x5555562645e0, 24 [pid 6900] <... symlink resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 552 [pid 3484] unlink("./265/binderfs" [pid 3483] <... rmdir resumed>) = 0 [pid 6901] <... set_robust_list resumed>) = 0 [pid 6900] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] close(20 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3483] mkdir("./262", 0777 [pid 6901] chdir("./275" [pid 6900] <... futex resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 6901] <... chdir resumed>) = 0 [pid 6900] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6897] close(21 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6901] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6900] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6902 attached [pid 6901] <... prctl resumed>) = 0 [pid 6900] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6897] close(22 [pid 3485] <... openat resumed>) = 3 [pid 6902] set_robust_list(0x5555562645e0, 24 [pid 6901] setpgid(0, 0 [pid 6900] <... mprotect resumed>) = 0 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 526 [pid 6902] <... set_robust_list resumed>) = 0 [pid 6900] 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 6897] close(23 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6903 attached [pid 6902] chdir("./262" [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 6903] set_robust_list(0x7fa7c8c309e0, 24 [pid 6902] <... chdir resumed>) = 0 [pid 6901] <... setpgid resumed>) = 0 [pid 6900] <... clone resumed>, parent_tid=[513], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 513 [pid 6897] close(24 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./265/cgroup", [pid 6903] <... set_robust_list resumed>) = 0 [pid 6902] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6901] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6900] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6903] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6902] <... prctl resumed>) = 0 [pid 6900] <... futex resumed>) = 0 [pid 6897] close(25 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6903] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] setpgid(0, 0 [pid 6901] <... symlink resumed>) = 0 [pid 6900] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./267/binderfs", [pid 6903] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... setpgid resumed>) = 0 [pid 6901] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6900] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6897] close(26 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] unlink("./265/cgroup" [pid 6903] <... futex resumed>) = 0 [pid 6902] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6900] close(3 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./267/binderfs" [pid 6903] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] <... symlink resumed>) = 0 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] close(27 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6902] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6901] <... symlink resumed>) = 0 [pid 6900] close(4 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6902] <... symlink resumed>) = 0 [pid 6901] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] close(28 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6902] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6900] close(5 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./267/cgroup", [pid 6902] <... symlink resumed>) = 0 [pid 6901] <... symlink resumed>) = 0 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] close(29 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6902] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6901] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6900] close(6 [pid 6897] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./267/cgroup" [pid 6902] <... openat resumed>) = 3 [pid 6901] <... openat resumed>) = 3 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6897] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./265/cgroup.net", [pid 6902] write(3, "1000", 4 [pid 6901] write(3, "1000", 4 [pid 6900] close(7 [pid 6899] <... futex resumed>) = ? [pid 6897] <... exit_group resumed>) = ? [pid 3485] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6902] <... write resumed>) = 4 [pid 6901] <... write resumed>) = 4 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6899] +++ exited with 0 +++ [pid 6897] +++ 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 6902] close(3 [pid 6901] close(3 [pid 6900] close(8 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] lstat("./267/cgroup.net", [pid 3484] unlink("./265/cgroup.net" [pid 6902] <... close resumed>) = 0 [pid 6901] <... close resumed>) = 0 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6902] read(200, [pid 6901] read(200, [pid 6900] close(9 [pid 3485] unlink("./267/cgroup.net" [pid 3484] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6902] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6902] symlink("/dev/binderfs", "./binderfs" [pid 6901] symlink("/dev/binderfs", "./binderfs" [pid 6900] close(10 [pid 3485] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./265/cgroup.cpu", [pid 6902] <... symlink resumed>) = 0 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6902] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] close(11 [pid 3486] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./267/cgroup.cpu", [pid 3484] unlink("./265/cgroup.cpu" [pid 6902] <... futex resumed>) = 0 [pid 6900] <... 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=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6902] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6901] <... symlink resumed>) = 0 [pid 6900] close(12 [pid 3486] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] unlink("./267/cgroup.cpu" [pid 3484] getdents64(3, [pid 6902] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6901] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 6901] <... futex resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 6902] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6901] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6900] close(13 [pid 3486] fstat(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6902] <... mprotect resumed>) = 0 [pid 6901] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6900] <... 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 3484] close(3 [pid 6902] 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 6901] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6900] close(14 [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... close resumed>) = 0 ./strace-static-x86_64: Process 6904 attached [pid 6901] <... mprotect resumed>) = 0 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] close(3 [pid 3484] rmdir("./265" [pid 6904] set_robust_list(0x7fa7c8c309e0, 24 [pid 6902] <... clone resumed>, parent_tid=[527], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 527 [pid 6901] 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 6900] close(15 [pid 3486] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... close resumed>) = 0 ./strace-static-x86_64: Process 6905 attached [pid 6904] <... set_robust_list resumed>) = 0 [pid 6902] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] rmdir("./267" [pid 3484] <... rmdir resumed>) = 0 [pid 6905] set_robust_list(0x7fa7c8c309e0, 24 [pid 6904] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6902] <... futex resumed>) = 0 [pid 6901] <... clone resumed>, parent_tid=[553], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 553 [pid 6900] close(16 [pid 3486] lstat("./272/binderfs", [pid 3485] <... rmdir resumed>) = 0 [pid 3484] mkdir("./266", 0777 [pid 6905] <... set_robust_list resumed>) = 0 [pid 6904] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6901] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] mkdir("./268", 0777 [pid 6905] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6904] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6901] <... futex resumed>) = 0 [pid 6900] close(17 [pid 3486] unlink("./272/binderfs" [pid 3484] <... mkdir resumed>) = 0 [pid 6904] <... futex resumed>) = 0 [pid 6901] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6904] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3485] <... mkdir resumed>) = 0 [pid 6902] close(3 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6905] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(18 [pid 3486] <... unlink resumed>) = 0 [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 6905] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] close(4 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6905] <... futex resumed>) = 1 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... futex resumed>) = 0 [pid 6900] close(19./strace-static-x86_64: Process 6907 attached ./strace-static-x86_64: Process 6906 attached [pid 6905] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6902] close(5 [pid 6901] close(3 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] set_robust_list(0x5555562645e0, 24 [pid 6906] set_robust_list(0x5555562645e0, 24 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(20 [pid 3486] lstat("./272/cgroup", [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 538 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 534 [pid 6902] close(6 [pid 6901] close(4 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] <... set_robust_list resumed>) = 0 [pid 6906] <... set_robust_list resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(21 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6907] chdir("./266" [pid 6906] chdir("./268" [pid 6902] close(7 [pid 6901] close(5 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./272/cgroup" [pid 6907] <... chdir resumed>) = 0 [pid 6906] <... chdir resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(22 [pid 3486] <... unlink resumed>) = 0 [pid 6907] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6906] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6902] close(8 [pid 6901] close(6 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6907] <... prctl resumed>) = 0 [pid 6906] <... prctl resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(23 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] setpgid(0, 0 [pid 6906] setpgid(0, 0 [pid 6902] close(9 [pid 6901] close(7 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./272/cgroup.net", [pid 6907] <... setpgid resumed>) = 0 [pid 6906] <... setpgid resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(24 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6907] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6906] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6902] close(10 [pid 6901] close(8 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./272/cgroup.net" [pid 6907] <... symlink resumed>) = 0 [pid 6906] <... symlink resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] close(25 [pid 3486] <... unlink resumed>) = 0 [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(11 [pid 6901] close(9 [pid 6900] close(26 [pid 6907] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6906] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6907] <... symlink resumed>) = 0 [pid 6906] <... symlink resumed>) = 0 [pid 6902] close(12 [pid 6901] close(10 [pid 6900] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6907] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6906] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./272/cgroup.cpu", [pid 6907] <... symlink resumed>) = 0 [pid 6906] <... symlink resumed>) = 0 [pid 6902] close(13 [pid 6901] close(11 [pid 6900] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6907] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6906] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./272/cgroup.cpu" [pid 6907] <... openat resumed>) = 3 [pid 6906] <... openat resumed>) = 3 [pid 6902] close(14 [pid 6901] close(12 [pid 6900] close(29 [pid 3486] <... unlink resumed>) = 0 [pid 6907] write(3, "1000", 4 [pid 6906] write(3, "1000", 4 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] <... write resumed>) = 4 [pid 6906] <... write resumed>) = 4 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6900] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(15 [pid 6907] close(3 [pid 3486] getdents64(3, [pid 6906] close(3 [pid 6900] exit_group(0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] <... close resumed>) = 0 [pid 6906] <... close resumed>) = 0 [pid 6901] close(13 [pid 6900] <... exit_group resumed>) = ? [pid 6907] read(200, [pid 6906] read(200, [pid 6903] <... futex resumed>) = ? [pid 6902] close(16 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6907] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6906] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6903] +++ exited with 0 +++ [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(14 [pid 6900] +++ exited with 0 +++ [pid 3486] close(3 [pid 6907] symlink("/dev/binderfs", "./binderfs" [pid 6906] symlink("/dev/binderfs", "./binderfs" [pid 6902] close(17 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 6907] <... symlink resumed>) = 0 [pid 6906] <... symlink resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(15 [pid 3486] rmdir("./272" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=512, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 6907] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] close(18 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3482] umount2("./255", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./255", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6907] <... futex resumed>) = 0 [pid 6906] <... futex resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(16 [pid 3482] <... openat resumed>) = 3 [pid 6907] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6902] close(19 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] fstat(3, [pid 6907] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6906] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(17 [pid 3486] mkdir("./273", 0777 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6907] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6906] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6902] close(20 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 6907] <... mprotect resumed>) = 0 [pid 6906] <... mprotect resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(18 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... mkdir resumed>) = 0 [pid 3482] umount2("./255/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6907] 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 6906] 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 6902] close(21 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(19 [pid 3482] lstat("./255/binderfs", ./strace-static-x86_64: Process 6909 attached ./strace-static-x86_64: Process 6908 attached [pid 6902] close(22 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6909] set_robust_list(0x7fa7c8c309e0, 24 [pid 6908] set_robust_list(0x7fa7c8c309e0, 24 [pid 6907] <... clone resumed>, parent_tid=[535], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 535 [pid 6906] <... clone resumed>, parent_tid=[539], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 539 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(20 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./255/binderfs" [pid 6909] <... set_robust_list resumed>) = 0 [pid 6908] <... set_robust_list resumed>) = 0 [pid 6907] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6902] close(23 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6910 attached [pid 6909] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6908] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6907] <... futex resumed>) = 0 [pid 6906] <... futex resumed>) = 0 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(21 [pid 3482] umount2("./255/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6910] set_robust_list(0x5555562645e0, 24 [pid 6909] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6908] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6906] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6902] close(24 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 548 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] <... set_robust_list resumed>) = 0 [pid 6909] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6908] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6906] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] lstat("./255/cgroup", [pid 6910] chdir("./273" [pid 6909] <... futex resumed>) = 0 [pid 6908] <... futex resumed>) = 1 [pid 6907] <... futex resumed>) = 0 [pid 6906] close(3 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(22 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6910] <... chdir resumed>) = 0 [pid 6909] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6908] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6907] close(3 [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(25 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./255/cgroup" [pid 6910] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] close(4 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(23 [pid 3482] <... unlink resumed>) = 0 [pid 6910] <... prctl resumed>) = 0 [pid 6907] close(4 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./255/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6910] setpgid(0, 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(26 [pid 6901] close(24 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] <... setpgid resumed>) = 0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./255/cgroup.net", [pid 6910] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6907] close(5 [pid 6906] close(5 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(25 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./255/cgroup.net" [pid 6910] <... symlink resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(27 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 6910] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6907] close(6 [pid 6906] close(6 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(26 [pid 3482] umount2("./255/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6910] <... symlink resumed>) = 0 [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(28 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6907] close(7 [pid 6906] close(7 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(27 [pid 3482] lstat("./255/cgroup.cpu", [pid 6910] <... symlink resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] close(29 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6910] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6907] close(8 [pid 6906] close(8 [pid 6902] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] close(28 [pid 3482] unlink("./255/cgroup.cpu" [pid 6910] <... openat resumed>) = 3 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6902] exit_group(0 [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] write(3, "1000", 4 [pid 6907] close(9 [pid 6906] close(9 [pid 6902] <... exit_group resumed>) = ? [pid 3482] <... unlink resumed>) = 0 [pid 6910] <... write resumed>) = 4 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6904] <... futex resumed>) = ? [pid 6901] close(29 [pid 3482] getdents64(3, [pid 6910] close(3 [pid 6907] close(10 [pid 6906] close(10 [pid 6904] +++ exited with 0 +++ [pid 6902] +++ exited with 0 +++ [pid 6901] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6910] <... close resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] exit_group(0 [pid 3482] close(3 [pid 6910] read(200, [pid 6907] close(11 [pid 6906] close(11 [pid 6905] <... futex resumed>) = ? [pid 6901] <... exit_group resumed>) = ? [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... close resumed>) = 0 [pid 6910] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] symlink("/dev/binderfs", "./binderfs" [pid 6907] close(12 [pid 6906] close(12 [pid 6905] +++ exited with 0 +++ [pid 6910] <... symlink resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6901] +++ exited with 0 +++ [pid 3482] rmdir("./255" [pid 6910] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] close(13 [pid 6906] close(13 [pid 6910] <... futex resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] <... rmdir resumed>) = 0 [pid 6910] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6907] close(14 [pid 6906] close(14 [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3483] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6910] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... restart_syscall resumed>) = 0 [pid 3482] mkdir("./256", 0777 [pid 6910] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6907] close(15 [pid 6906] close(15 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] <... mprotect resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... mkdir resumed>) = 0 [pid 6910] 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 6907] close(16 [pid 6906] close(16 [pid 3487] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6911 attached [pid 3483] <... openat resumed>) = 3 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6911] set_robust_list(0x7fa7c8c309e0, 24 [pid 6910] <... clone resumed>, parent_tid=[549], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 549 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] fstat(3, ./strace-static-x86_64: Process 6912 attached [pid 6911] <... set_robust_list resumed>) = 0 [pid 6910] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] close(17 [pid 6906] close(17 [pid 3487] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6912] set_robust_list(0x5555562645e0, 24 [pid 6911] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6910] <... futex resumed>) = 0 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3483] getdents64(3, [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 514 [pid 6912] <... set_robust_list resumed>) = 0 [pid 6911] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6907] close(18 [pid 6906] close(18 [pid 3487] fstat(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6912] chdir("./256" [pid 6911] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6912] <... chdir resumed>) = 0 [pid 6911] <... futex resumed>) = 1 [pid 6910] <... futex resumed>) = 0 [pid 6907] close(19 [pid 6906] close(19 [pid 3487] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6911] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6910] close(3 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./262/binderfs", [pid 6912] <... prctl resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(20 [pid 6906] close(20 [pid 3487] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6912] setpgid(0, 0 [pid 6910] close(4 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./262/binderfs" [pid 6912] <... setpgid resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(21 [pid 6906] close(21 [pid 3487] lstat("./275/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 6912] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6910] close(5 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6912] <... symlink resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(22 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6906] close(22 [pid 6912] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6910] close(6 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./275/binderfs" [pid 3483] lstat("./262/cgroup", [pid 6912] <... symlink resumed>) = 0 [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6912] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] <... unlink resumed>) = 0 [pid 3483] unlink("./262/cgroup" [pid 6912] <... symlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6912] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(23 [pid 6906] close(23 [pid 3487] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6912] <... openat resumed>) = 3 [pid 6910] close(7 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] write(3, "1000", 4 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(24 [pid 6906] close(24 [pid 3487] lstat("./275/cgroup", [pid 3483] lstat("./262/cgroup.net", [pid 6912] <... write resumed>) = 4 [pid 6910] close(8 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... 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 6912] close(3 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(25 [pid 6906] close(25 [pid 3487] unlink("./275/cgroup" [pid 3483] unlink("./262/cgroup.net" [pid 6912] <... close resumed>) = 0 [pid 6910] close(9 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6912] read(200, [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(26 [pid 6906] close(26 [pid 3487] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6912] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] close(10 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6912] symlink("/dev/binderfs", "./binderfs" [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(27 [pid 6906] close(27 [pid 3487] lstat("./275/cgroup.net", [pid 3483] lstat("./262/cgroup.cpu", [pid 6912] <... symlink resumed>) = 0 [pid 6910] close(11 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... 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 6912] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(28 [pid 6906] close(28 [pid 3487] unlink("./275/cgroup.net" [pid 3483] unlink("./262/cgroup.cpu" [pid 6912] <... futex resumed>) = 0 [pid 6910] close(12 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6912] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6906] close(29 [pid 3487] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 6912] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6907] close(29 [pid 6906] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6912] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6910] close(13 [pid 6907] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6906] exit_group(0 [pid 3487] lstat("./275/cgroup.cpu", [pid 3483] close(3 [pid 6912] <... mprotect resumed>) = 0 [pid 6909] <... futex resumed>) = ? [pid 6906] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... close resumed>) = 0 [pid 6912] 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 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6909] +++ exited with 0 +++ [pid 6907] exit_group(0 [pid 6906] +++ exited with 0 +++ [pid 3487] unlink("./275/cgroup.cpu" [pid 3483] rmdir("./262"./strace-static-x86_64: Process 6913 attached [pid 6910] close(14 [pid 6908] <... futex resumed>) = ? [pid 6907] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6913] set_robust_list(0x7fa7c8c309e0, 24 [pid 6912] <... clone resumed>, parent_tid=[515], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 515 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6908] +++ exited with 0 +++ [pid 6907] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 3483] <... rmdir resumed>) = 0 [pid 6913] <... set_robust_list resumed>) = 0 [pid 6912] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6910] close(15 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] mkdir("./263", 0777 [pid 6913] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6912] <... futex resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3485] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... mkdir resumed>) = 0 [pid 6913] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6910] close(16 [pid 3487] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6913] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./275" [pid 3485] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6914 attached [pid 6913] <... futex resumed>) = 0 [pid 6912] close(3 [pid 6910] close(17 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] set_robust_list(0x5555562645e0, 24 [pid 6913] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./276", 0777 [pid 3485] fstat(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 528 [pid 6914] <... set_robust_list resumed>) = 0 [pid 6912] close(4 [pid 6910] close(18 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6914] chdir("./263" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] getdents64(3, ./strace-static-x86_64: Process 6915 attached [pid 6914] <... chdir resumed>) = 0 [pid 6912] close(5 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... openat resumed>) = 3 [pid 6914] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 554 [pid 3485] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6914] <... prctl resumed>) = 0 [pid 6912] close(6 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6910] close(19 [pid 6915] set_robust_list(0x5555562645e0, 24 [pid 6914] setpgid(0, 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./268/binderfs", [pid 3484] fstat(3, [pid 6914] <... setpgid resumed>) = 0 [pid 6912] close(7 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6915] <... set_robust_list resumed>) = 0 [pid 6914] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(20 [pid 3485] unlink("./268/binderfs" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6915] chdir("./276" [pid 6914] <... symlink resumed>) = 0 [pid 6912] close(8 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 6915] <... chdir resumed>) = 0 [pid 6914] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(21 [pid 3485] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6915] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6914] <... symlink resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6915] <... prctl resumed>) = 0 [pid 6914] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6912] close(9 [pid 6910] close(22 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6915] setpgid(0, 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] <... setpgid resumed>) = 0 [pid 6910] close(23 [pid 3484] lstat("./266/binderfs", [pid 6915] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6914] <... symlink resumed>) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./268/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6915] <... symlink resumed>) = 0 [pid 6914] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6912] close(10 [pid 6910] close(24 [pid 3484] unlink("./266/binderfs" [pid 6915] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6914] <... openat resumed>) = 3 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6915] <... symlink resumed>) = 0 [pid 6914] write(3, "1000", 4 [pid 6912] close(11 [pid 6910] close(25 [pid 3484] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6915] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6914] <... write resumed>) = 4 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./268/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] <... symlink resumed>) = 0 [pid 6910] close(26 [pid 3484] lstat("./266/cgroup", [pid 6915] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6915] <... openat resumed>) = 3 [pid 6914] close(3 [pid 6912] close(12 [pid 6910] close(27 [pid 3484] unlink("./266/cgroup" [pid 6915] write(3, "1000", 4 [pid 6914] <... close resumed>) = 0 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6915] <... write resumed>) = 4 [pid 6914] read(200, [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(28 [pid 3485] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6915] close(3 [pid 6914] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6912] close(13 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] <... close resumed>) = 0 [pid 6914] symlink("/dev/binderfs", "./binderfs" [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6910] close(29 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./266/cgroup.net", [pid 6915] read(200, [pid 6912] close(14 [pid 6910] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6915] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] <... symlink resumed>) = 0 [pid 6910] exit_group(0 [pid 3484] unlink("./266/cgroup.net" [pid 6915] symlink("/dev/binderfs", "./binderfs" [pid 6914] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6911] <... futex resumed>) = ? [pid 6910] <... exit_group resumed>) = ? [pid 3485] lstat("./268/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 6915] <... symlink resumed>) = 0 [pid 6912] close(15 [pid 3484] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6915] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6915] <... futex resumed>) = 0 [pid 3484] lstat("./266/cgroup.cpu", [pid 6915] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6915] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6914] <... futex resumed>) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./266/cgroup.cpu" [pid 6915] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6914] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6912] close(16 [pid 6911] +++ exited with 0 +++ [pid 6910] +++ exited with 0 +++ [pid 3485] unlink("./268/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 6915] <... mprotect resumed>) = 0 [pid 3484] getdents64(3, [pid 6915] 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 6916 attached [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 6916] set_robust_list(0x7fa7c8c309e0, 24 [pid 6915] <... clone resumed>, parent_tid=[555], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 555 [pid 3484] <... close resumed>) = 0 [pid 6916] <... set_robust_list resumed>) = 0 [pid 6915] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6912] close(17 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3485] <... unlink resumed>) = 0 [pid 6916] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6915] <... futex resumed>) = 0 [pid 6914] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] rmdir("./266" [pid 6916] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6914] <... mprotect resumed>) = 0 [pid 6912] close(18 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] 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 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./268/cgroup.cpu", ./strace-static-x86_64: Process 6917 attached [pid 6916] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] close(19 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 6914] <... clone resumed>, parent_tid=[529], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 529 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] unlink("./268/cgroup.cpu" [pid 6917] set_robust_list(0x7fa7c8c309e0, 24 [pid 6916] <... futex resumed>) = 1 [pid 6915] <... futex resumed>) = 0 [pid 6914] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6912] close(20 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... unlink resumed>) = 0 [pid 3484] mkdir("./267", 0777 [pid 6917] <... set_robust_list resumed>) = 0 [pid 6916] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] close(3 [pid 6914] <... futex resumed>) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] getdents64(3, [pid 6917] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6912] close(21 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 6917] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(4 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] close(3 [pid 6917] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] close(22 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... close resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6917] <... futex resumed>) = 1 [pid 6915] close(5 [pid 6914] <... futex resumed>) = 0 [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] rmdir("./268"./strace-static-x86_64: Process 6918 attached [pid 6917] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(3 [pid 6912] close(23 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... rmdir resumed>) = 0 [pid 6918] set_robust_list(0x5555562645e0, 24 [pid 6915] close(6 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./273/binderfs", [pid 3485] mkdir("./269", 0777 [pid 6918] <... set_robust_list resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(4 [pid 6912] close(24 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 536 [pid 6918] chdir("./267" [pid 6915] close(7 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./273/binderfs" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6918] <... chdir resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(5 [pid 6912] close(25 [pid 3486] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6919 attached [pid 6918] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6915] close(8 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] set_robust_list(0x5555562645e0, 24 [pid 6918] <... prctl resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(6 [pid 6912] close(26 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 540 [pid 6919] <... set_robust_list resumed>) = 0 [pid 6918] setpgid(0, 0 [pid 6915] close(9 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./273/cgroup", [pid 6919] chdir("./269" [pid 6918] <... setpgid resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(7 [pid 6912] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6919] <... chdir resumed>) = 0 [pid 6918] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6915] close(10 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./273/cgroup" [pid 6919] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6918] <... symlink resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(8 [pid 6912] close(28 [pid 3486] <... unlink resumed>) = 0 [pid 6919] <... prctl resumed>) = 0 [pid 6918] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6915] close(11 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] setpgid(0, 0 [pid 6918] <... symlink resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(9 [pid 6912] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6919] <... setpgid resumed>) = 0 [pid 6918] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6915] close(12 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6912] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./273/cgroup.net", [pid 6919] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6918] <... symlink resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(10 [pid 6912] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6919] <... symlink resumed>) = 0 [pid 6918] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6915] close(13 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6913] <... futex resumed>) = ? [pid 6912] <... exit_group resumed>) = ? [pid 3486] unlink("./273/cgroup.net" [pid 6919] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6918] <... openat resumed>) = 3 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(11 [pid 6913] +++ exited with 0 +++ [pid 6912] +++ exited with 0 +++ [pid 6915] close(14 [pid 3486] <... unlink resumed>) = 0 [pid 6919] <... symlink resumed>) = 0 [pid 6918] write(3, "1000", 4 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6918] <... write resumed>) = 4 [pid 6915] close(15 [pid 6914] close(12 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=514, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(16 [pid 6919] <... symlink resumed>) = 0 [pid 6918] close(3 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./273/cgroup.cpu", [pid 6919] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6918] <... close resumed>) = 0 [pid 6915] close(17 [pid 6914] close(13 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(18) = -1 EBADF (Bad file descriptor) [pid 6915] close(19) = -1 EBADF (Bad file descriptor) [pid 6918] read(200, [pid 6915] close(20 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./273/cgroup.cpu" [pid 6919] <... openat resumed>) = 3 [pid 6918] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(21) = -1 EBADF (Bad file descriptor) [pid 6915] close(22 [pid 6918] symlink("/dev/binderfs", "./binderfs" [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3482] umount2("./256", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] write(3, "1000", 4 [pid 6915] close(23 [pid 6914] close(14 [pid 6918] <... symlink resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6915] close(24 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6919] <... write resumed>) = 4 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6918] <... futex resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(25 [pid 6918] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6914] close(15 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] openat(AT_FDCWD, "./256", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6919] close(3 [pid 6918] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 6919] <... close resumed>) = 0 [pid 6918] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6915] close(26 [pid 6914] close(16 [pid 3482] <... openat resumed>) = 3 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(27 [pid 3486] <... close resumed>) = 0 [pid 3482] fstat(3, [pid 6919] read(200, [pid 6918] <... mprotect resumed>) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./273" [pid 6919] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] 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 6915] close(28 [pid 6914] close(17 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6915] close(29 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] symlink("/dev/binderfs", "./binderfs" [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6920 attached [pid 6915] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(18 [pid 6920] set_robust_list(0x7fa7c8c309e0, 24 [pid 6915] exit_group(0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6920] <... set_robust_list resumed>) = 0 [pid 6919] <... symlink resumed>) = 0 [pid 6916] <... futex resumed>) = ? [pid 6915] <... exit_group resumed>) = ? [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./256/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6920] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... clone resumed>, parent_tid=[537], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 537 [pid 6916] +++ exited with 0 +++ [pid 6915] +++ exited with 0 +++ [pid 3486] <... rmdir resumed>) = 0 [pid 6919] <... futex resumed>) = 0 [pid 6914] close(19 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./274", 0777 [pid 3482] lstat("./256/binderfs", [pid 6919] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6918] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6914] close(20 [pid 6920] <... futex resumed>) = 0 [pid 6919] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6918] <... futex resumed>) = 1 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6920] ioctl(-1, LOOP_CTL_ADD, 0) = -1 EBADF (Bad file descriptor) [pid 6914] close(21 [pid 3486] <... mkdir resumed>) = 0 [pid 3482] unlink("./256/binderfs" [pid 6918] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6920] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6920] <... futex resumed>) = 0 [pid 6919] <... mprotect resumed>) = 0 [pid 6918] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6914] close(22 [pid 3487] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... unlink resumed>) = 0 [pid 6920] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6919] 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 6918] close(3 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./256/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6922 attached ./strace-static-x86_64: Process 6921 attached [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(23 [pid 3487] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6922] set_robust_list(0x7fa7c8c309e0, 24 [pid 6921] set_robust_list(0x5555562645e0, 24 [pid 6919] <... clone resumed>, parent_tid=[541], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 541 [pid 6918] close(4 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 550 [pid 3482] lstat("./256/cgroup", [pid 6922] <... set_robust_list resumed>) = 0 [pid 6921] <... set_robust_list resumed>) = 0 [pid 6919] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(24 [pid 3487] fstat(3, [pid 6922] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6919] <... futex resumed>) = 0 [pid 6918] close(5 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6922] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] chdir("./274" [pid 6919] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(25 [pid 3487] getdents64(3, [pid 3482] unlink("./256/cgroup" [pid 6922] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... chdir resumed>) = 0 [pid 6919] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6918] close(6 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... unlink resumed>) = 0 [pid 6922] <... futex resumed>) = 0 [pid 6921] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6919] close(3 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(26 [pid 3487] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./256/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6922] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6921] <... prctl resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(7 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6921] setpgid(0, 0 [pid 6919] close(4 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(27 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6921] <... setpgid resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(8 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./276/binderfs", [pid 3482] lstat("./256/cgroup.net", [pid 6921] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6919] close(5 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(28 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6921] <... symlink resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(9 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./276/binderfs" [pid 6921] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6919] close(6 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6914] close(29 [pid 3482] unlink("./256/cgroup.net" [pid 6921] <... symlink resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(10 [pid 6914] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6919] close(7 [pid 6914] exit_group(0 [pid 3482] <... unlink resumed>) = 0 [pid 6921] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6917] <... futex resumed>) = ? [pid 6914] <... exit_group resumed>) = ? [pid 3487] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6921] <... symlink resumed>) = 0 [pid 6919] close(8 [pid 6918] close(11 [pid 6917] +++ exited with 0 +++ [pid 6914] +++ exited with 0 +++ [pid 3482] umount2("./256/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6921] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6919] close(9 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6921] <... openat resumed>) = 3 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(12 [pid 3487] lstat("./276/cgroup", [pid 3482] lstat("./256/cgroup.cpu", [pid 6921] write(3, "1000", 4 [pid 6919] close(10 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6921] <... write resumed>) = 4 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(13 [pid 6921] close(3 [pid 6919] close(11 [pid 3487] unlink("./276/cgroup" [pid 3482] unlink("./256/cgroup.cpu" [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] close(12) = -1 EBADF (Bad file descriptor) [pid 6919] close(13) = -1 EBADF (Bad file descriptor) [pid 6919] close(14 [pid 3487] <... unlink resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] close(15) = -1 EBADF (Bad file descriptor) [pid 6919] close(16 [pid 3482] <... unlink resumed>) = 0 [pid 6921] <... close resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(14 [pid 3487] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] close(17 [pid 6921] read(200, [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6919] close(18 [pid 6918] close(15 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 6921] symlink("/dev/binderfs", "./binderfs" [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6919] close(19 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./276/cgroup.net", [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] close(20 [pid 6921] <... symlink resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] close(21 [pid 6918] close(16 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] close(3 [pid 6921] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6921] <... futex resumed>) = 0 [pid 6919] close(22 [pid 6918] close(17 [pid 3487] unlink("./276/cgroup.net" [pid 3482] <... close resumed>) = 0 [pid 6921] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... openat resumed>) = 3 [pid 6921] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6919] close(23 [pid 6918] close(18 [pid 3487] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3482] rmdir("./256" [pid 6921] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6921] <... mprotect resumed>) = 0 [pid 6919] close(24 [pid 3482] <... rmdir resumed>) = 0 [pid 6921] 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 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6923 attached [pid 6919] close(25 [pid 6918] close(19 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] mkdir("./257", 0777 [pid 6923] set_robust_list(0x7fa7c8c309e0, 24 [pid 6921] <... clone resumed>, parent_tid=[551], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 551 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./276/cgroup.cpu", [pid 6923] <... set_robust_list resumed>) = 0 [pid 6921] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] close(26 [pid 6918] close(20 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... mkdir resumed>) = 0 [pid 6923] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6921] <... futex resumed>) = 0 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./276/cgroup.cpu" [pid 3483] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6923] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6919] close(27 [pid 6918] close(21 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6924 attached [pid 6923] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3483] lstat("./263/binderfs", [pid 6924] set_robust_list(0x5555562645e0, 24 [pid 6923] <... futex resumed>) = 1 [pid 6921] <... futex resumed>) = 0 [pid 6919] close(28 [pid 6918] close(22 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 516 [pid 6924] <... set_robust_list resumed>) = 0 [pid 6923] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6921] close(3 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3483] unlink("./263/binderfs" [pid 6918] close(23 [pid 3487] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./276" [pid 3483] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6924] chdir("./257" [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] close(29 [pid 6918] close(24 [pid 3487] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6924] <... chdir resumed>) = 0 [pid 6921] close(4 [pid 6919] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./277", 0777 [pid 3483] lstat("./263/cgroup", [pid 6924] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] exit_group(0 [pid 6918] close(25 [pid 3487] <... mkdir resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6924] <... prctl resumed>) = 0 [pid 6922] <... futex resumed>) = ? [pid 6921] close(5 [pid 6919] <... exit_group resumed>) = ? [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] unlink("./263/cgroup"./strace-static-x86_64: Process 6925 attached [pid 6924] setpgid(0, 0 [pid 6922] +++ exited with 0 +++ [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6919] +++ exited with 0 +++ [pid 6918] close(26 [pid 3483] <... unlink resumed>) = 0 [pid 6925] set_robust_list(0x5555562645e0, 24 [pid 6924] <... setpgid resumed>) = 0 [pid 6921] close(6 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 556 [pid 3483] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6925] <... set_robust_list resumed>) = 0 [pid 6918] close(27 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6925] chdir("./277" [pid 6924] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3483] lstat("./263/cgroup.net", [pid 6925] <... chdir resumed>) = 0 [pid 6918] close(28 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6925] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6924] <... symlink resumed>) = 0 [pid 6921] close(7 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./263/cgroup.net" [pid 6925] <... prctl resumed>) = 0 [pid 6924] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6918] close(29 [pid 3483] <... unlink resumed>) = 0 [pid 6925] setpgid(0, 0 [pid 6918] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6925] <... setpgid resumed>) = 0 [pid 6924] <... symlink resumed>) = 0 [pid 6921] close(8 [pid 6918] exit_group(0 [pid 6925] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6924] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6920] <... futex resumed>) = ? [pid 6918] <... exit_group resumed>) = ? [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6925] <... symlink resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] lstat("./263/cgroup.cpu", [pid 6925] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... openat resumed>) = 3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6925] <... symlink resumed>) = 0 [pid 3485] fstat(3, [pid 3483] unlink("./263/cgroup.cpu" [pid 6925] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6924] <... symlink resumed>) = 0 [pid 6921] close(9 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6925] <... symlink resumed>) = 0 [pid 6924] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6920] +++ exited with 0 +++ [pid 6918] +++ exited with 0 +++ [pid 3485] getdents64(3, [pid 3483] getdents64(3, [pid 6925] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6924] <... openat resumed>) = 3 [pid 6921] close(10 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6925] <... openat resumed>) = 3 [pid 6924] write(3, "1000", 4 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 6925] write(3, "1000", 4 [pid 6924] <... write resumed>) = 4 [pid 6921] close(11 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 6925] <... write resumed>) = 4 [pid 6924] close(3 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./269/binderfs", [pid 3483] rmdir("./263" [pid 6925] close(3 [pid 6924] <... close resumed>) = 0 [pid 6921] close(12 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6925] <... close resumed>) = 0 [pid 6924] read(200, [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./269/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... rmdir resumed>) = 0 [pid 6925] read(200, [pid 6924] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6921] close(13 [pid 3485] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] mkdir("./264", 0777 [pid 6925] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6924] symlink("/dev/binderfs", "./binderfs" [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3483] <... mkdir resumed>) = 0 [pid 6925] symlink("/dev/binderfs", "./binderfs" [pid 6924] <... symlink resumed>) = 0 [pid 6921] close(14 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6925] <... symlink resumed>) = 0 [pid 6924] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./269/cgroup", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 6926 attached [pid 6925] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] <... futex resumed>) = 0 [pid 6921] close(15 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 530 [pid 6926] set_robust_list(0x5555562645e0, 24 [pid 6925] <... futex resumed>) = 0 [pid 6924] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./269/cgroup" [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6926] <... set_robust_list resumed>) = 0 [pid 6925] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6924] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6921] close(16 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6926] chdir("./264" [pid 6925] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6924] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6926] <... chdir resumed>) = 0 [pid 6925] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6924] <... mprotect resumed>) = 0 [pid 6921] close(17 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6926] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6925] <... mprotect resumed>) = 0 [pid 6924] 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 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./269/cgroup.net", [pid 3484] lstat("./267/binderfs", ./strace-static-x86_64: Process 6927 attached [pid 6926] <... prctl resumed>) = 0 [pid 6925] 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 6921] close(18 [pid 6924] <... clone resumed>, parent_tid=[517], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 517 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6928 attached [pid 6927] set_robust_list(0x7fa7c8c309e0, 24 [pid 6926] setpgid(0, 0 [pid 6924] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] close(19 [pid 3484] unlink("./267/binderfs" [pid 6928] set_robust_list(0x7fa7c8c309e0, 24 [pid 6927] <... set_robust_list resumed>) = 0 [pid 6926] <... setpgid resumed>) = 0 [pid 6925] <... clone resumed>, parent_tid=[557], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 557 [pid 6924] <... futex resumed>) = 0 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./269/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 6928] <... set_robust_list resumed>) = 0 [pid 6927] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6926] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6925] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6924] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] close(20 [pid 6928] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6928] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] close(21 [pid 3485] <... unlink resumed>) = 0 [pid 6928] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6928] <... futex resumed>) = 0 [pid 6927] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... symlink resumed>) = 0 [pid 6925] <... futex resumed>) = 0 [pid 6921] close(22 [pid 3485] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6928] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6927] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6925] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./267/cgroup", [pid 6927] <... futex resumed>) = 1 [pid 6926] <... symlink resumed>) = 0 [pid 6925] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6924] <... futex resumed>) = 0 [pid 6921] close(23 [pid 3485] lstat("./269/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6927] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6926] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6925] close(3 [pid 6924] close(3 [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./267/cgroup" [pid 6921] close(24) = -1 EBADF (Bad file descriptor) [pid 6926] <... symlink resumed>) = 0 [pid 6921] close(25 [pid 6926] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./269/cgroup.cpu" [pid 3484] <... unlink resumed>) = 0 [pid 6926] <... openat resumed>) = 3 [pid 6925] close(4 [pid 6924] close(4 [pid 6921] close(26) = -1 EBADF (Bad file descriptor) [pid 6926] write(3, "1000", 4 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6926] <... write resumed>) = 4 [pid 6925] close(5 [pid 6924] close(5 [pid 6921] close(27 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6926] close(3 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./267/cgroup.net", [pid 6926] <... close resumed>) = 0 [pid 6925] close(6 [pid 6924] close(6 [pid 6921] close(28 [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6926] read(200, [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./267/cgroup.net" [pid 6926] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6925] close(7 [pid 6924] close(7 [pid 6921] close(29 [pid 3485] rmdir("./269" [pid 3484] <... unlink resumed>) = 0 [pid 6926] symlink("/dev/binderfs", "./binderfs" [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6921] exit_group(0 [pid 6926] <... symlink resumed>) = 0 [pid 6923] <... futex resumed>) = ? [pid 6921] <... exit_group resumed>) = ? [pid 6925] close(8 [pid 6926] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(8 [pid 6923] +++ exited with 0 +++ [pid 3485] mkdir("./270", 0777 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6926] <... futex resumed>) = 0 [pid 6925] close(9 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6921] +++ exited with 0 +++ [pid 3485] <... mkdir resumed>) = 0 [pid 3484] lstat("./267/cgroup.cpu", [pid 6926] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(9 [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=19, ...}) = 0 [pid 6926] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6926] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6925] close(10 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./267/cgroup.cpu" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(10 [pid 3486] <... openat resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 6926] <... mprotect resumed>) = 0 [pid 6925] close(11 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 6926] 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 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(11 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] getdents64(3, ./strace-static-x86_64: Process 6929 attached [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6925] close(12./strace-static-x86_64: Process 6930 attached [pid 6929] set_robust_list(0x7fa7c8c309e0, 24 [pid 6926] <... clone resumed>, parent_tid=[531], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 531 [pid 6924] close(12 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6930] set_robust_list(0x5555562645e0, 24 [pid 6929] <... set_robust_list resumed>) = 0 [pid 6926] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] close(13 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 542 [pid 3484] close(3 [pid 6930] <... set_robust_list resumed>) = 0 [pid 6929] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6926] <... futex resumed>) = 0 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(13 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... close resumed>) = 0 [pid 6930] chdir("./270" [pid 6929] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6925] close(14 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./274/binderfs", [pid 6930] <... chdir resumed>) = 0 [pid 6929] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(14 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] rmdir("./267" [pid 6930] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6929] <... futex resumed>) = 1 [pid 6926] <... futex resumed>) = 0 [pid 6925] close(15 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./274/binderfs" [pid 6930] <... prctl resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 6930] setpgid(0, 0 [pid 6929] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6926] close(3 [pid 6924] close(15 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... rmdir resumed>) = 0 [pid 6930] <... setpgid resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] close(16 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6930] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6926] close(4 [pid 3486] lstat("./274/cgroup", [pid 3484] mkdir("./268", 0777 [pid 6930] <... symlink resumed>) = 0 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(16 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6930] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./274/cgroup" [pid 6930] <... symlink resumed>) = 0 [pid 6926] close(5 [pid 6925] close(17 [pid 3486] <... unlink resumed>) = 0 [pid 6930] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3486] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... mkdir resumed>) = 0 [pid 6930] <... symlink resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6930] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6926] close(6 [pid 6925] close(18 [pid 6924] close(17 [pid 3486] lstat("./274/cgroup.net", [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6930] <... openat resumed>) = 3 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6930] write(3, "1000", 4 [pid 3486] unlink("./274/cgroup.net"./strace-static-x86_64: Process 6931 attached [pid 6930] <... write resumed>) = 4 [pid 6926] close(7 [pid 6925] close(19 [pid 6924] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 6931] set_robust_list(0x5555562645e0, 24 [pid 6930] close(3 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6931] <... set_robust_list resumed>) = 0 [pid 6930] <... close resumed>) = 0 [pid 6926] close(8 [pid 6925] close(20 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 538 [pid 6931] chdir("./268" [pid 6930] read(200, [pid 3486] lstat("./274/cgroup.cpu", [pid 6931] <... chdir resumed>) = 0 [pid 6930] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(19 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6931] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6930] symlink("/dev/binderfs", "./binderfs" [pid 6926] close(9 [pid 6925] close(21 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./274/cgroup.cpu" [pid 6931] <... prctl resumed>) = 0 [pid 6930] <... symlink resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(20 [pid 3486] <... unlink resumed>) = 0 [pid 6931] setpgid(0, 0 [pid 6930] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] close(10 [pid 6925] close(22 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6931] <... setpgid resumed>) = 0 [pid 6930] <... futex resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(21 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6931] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6930] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6926] close(11 [pid 6925] close(23 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 6931] <... symlink resumed>) = 0 [pid 6930] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(22 [pid 3486] <... close resumed>) = 0 [pid 6931] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6930] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6926] close(12 [pid 6925] close(24 [pid 3486] rmdir("./274" [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] <... symlink resumed>) = 0 [pid 6930] <... mprotect resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(23 [pid 3486] <... rmdir resumed>) = 0 [pid 6926] close(13 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] 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 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] close(25 [pid 6924] close(24./strace-static-x86_64: Process 6932 attached [pid 6931] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6926] close(14 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./275", 0777 [pid 6932] set_robust_list(0x7fa7c8c309e0, 24 [pid 6931] <... symlink resumed>) = 0 [pid 6930] <... clone resumed>, parent_tid=[543], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 543 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] close(26 [pid 6924] close(25 [pid 6932] <... set_robust_list resumed>) = 0 [pid 6931] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6930] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] close(15 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 6932] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6931] <... openat resumed>) = 3 [pid 6930] <... futex resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] close(27 [pid 6924] close(26 [pid 6932] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] write(3, "1000", 4 [pid 6930] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6926] close(16 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6932] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... write resumed>) = 4 [pid 6930] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] close(28 [pid 6924] close(27 [pid 6926] close(17 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6933 attached [pid 6932] <... futex resumed>) = 0 [pid 6931] close(3 [pid 6930] close(3 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] close(28 [pid 6933] set_robust_list(0x5555562645e0, 24 [pid 6926] close(18 [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6933] <... set_robust_list resumed>) = 0 [pid 6932] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] <... close resumed>) = 0 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] close(29 [pid 6924] close(29 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 552 [pid 6933] chdir("./275" [pid 6931] read(200, [pid 6930] close(4 [pid 6926] close(19 [pid 6925] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6933] <... chdir resumed>) = 0 [pid 6931] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6925] exit_group(0 [pid 6924] exit_group(0 [pid 6933] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6931] symlink("/dev/binderfs", "./binderfs" [pid 6930] close(5 [pid 6928] <... futex resumed>) = ? [pid 6927] <... futex resumed>) = ? [pid 6926] close(20 [pid 6925] <... exit_group resumed>) = ? [pid 6924] <... exit_group resumed>) = ? [pid 6933] <... prctl resumed>) = 0 [pid 6931] <... symlink resumed>) = 0 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6928] +++ exited with 0 +++ [pid 6927] +++ exited with 0 +++ [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6924] +++ exited with 0 +++ [pid 6933] setpgid(0, 0 [pid 6930] close(6 [pid 6926] close(21 [pid 6933] <... setpgid resumed>) = 0 [pid 6931] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=516, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 6933] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6926] close(22 [pid 6925] +++ exited with 0 +++ [pid 6930] close(7 [pid 3482] umount2("./257", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6933] <... symlink resumed>) = 0 [pid 6931] <... futex resumed>) = 0 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6933] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6931] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6930] close(8 [pid 6926] close(23 [pid 3482] openat(AT_FDCWD, "./257", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6933] <... symlink resumed>) = 0 [pid 6931] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 6933] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6931] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6930] close(9 [pid 6926] close(24 [pid 3487] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 6933] <... symlink resumed>) = 0 [pid 6931] <... mprotect resumed>) = 0 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6933] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6931] 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 6930] close(10 [pid 6926] close(25 [pid 3487] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] getdents64(3, ./strace-static-x86_64: Process 6934 attached [pid 6933] <... openat resumed>) = 3 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6934] set_robust_list(0x7fa7c8c309e0, 24 [pid 6933] write(3, "1000", 4 [pid 6931] <... clone resumed>, parent_tid=[539], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 539 [pid 6930] close(11 [pid 6926] close(26 [pid 3487] fstat(3, [pid 3482] umount2("./257/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6934] <... set_robust_list resumed>) = 0 [pid 6933] <... write resumed>) = 4 [pid 6931] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6934] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6933] close(3 [pid 6926] close(27 [pid 3487] getdents64(3, [pid 3482] lstat("./257/binderfs", [pid 6934] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6933] <... close resumed>) = 0 [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6934] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] read(200, [pid 6926] close(28 [pid 3487] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./257/binderfs" [pid 6934] <... futex resumed>) = 0 [pid 6933] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6934] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6933] symlink("/dev/binderfs", "./binderfs" [pid 6931] <... futex resumed>) = 0 [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] close(29 [pid 3487] lstat("./277/binderfs", [pid 3482] umount2("./257/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6933] <... symlink resumed>) = 0 [pid 6931] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6930] close(12 [pid 6933] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6933] <... futex resumed>) = 0 [pid 6931] close(3 [pid 6930] close(13 [pid 6933] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6926] exit_group(0 [pid 3487] unlink("./277/binderfs" [pid 3482] lstat("./257/cgroup", [pid 6933] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6931] close(4 [pid 6930] close(14 [pid 6926] <... exit_group resumed>) = ? [pid 6929] <... futex resumed>) = ? [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(5 [pid 6930] close(15 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6933] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6931] close(6 [pid 6930] close(16 [pid 6933] <... mprotect resumed>) = 0 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./257/cgroup" [pid 6931] close(7 [pid 6930] close(17 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(8 [pid 6930] close(18 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(9 [pid 6930] close(19 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 6933] 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 6931] close(10 [pid 6930] close(20 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6935 attached [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6929] +++ exited with 0 +++ [pid 6926] +++ exited with 0 +++ [pid 6935] set_robust_list(0x7fa7c8c309e0, 24 [pid 6931] close(11 [pid 6930] close(21 [pid 3487] lstat("./277/cgroup", [pid 6933] <... clone resumed>, parent_tid=[553], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 553 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=7} --- [pid 3482] umount2("./257/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6935] <... set_robust_list resumed>) = 0 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6935] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6933] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6931] close(12 [pid 6930] close(22 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6935] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6933] <... futex resumed>) = 0 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6935] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6933] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6931] close(13 [pid 6930] close(23 [pid 3487] unlink("./277/cgroup" [pid 6935] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./257/cgroup.net", [pid 6935] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6931] close(14 [pid 6930] close(24 [pid 6935] <... futex resumed>) = 0 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6935] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6931] close(15 [pid 6930] close(25 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(16 [pid 6930] close(26 [pid 3487] <... unlink resumed>) = 0 [pid 6933] close(3 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(17 [pid 6930] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6933] close(4 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./257/cgroup.net" [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(18 [pid 6930] close(28 [pid 3487] lstat("./277/cgroup.net", [pid 6933] close(5 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... unlink resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(19 [pid 6930] close(29 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6933] close(6 [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./277/cgroup.net" [pid 3483] <... openat resumed>) = 3 [pid 3482] umount2("./257/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(20 [pid 6930] exit_group(0 [pid 6932] <... futex resumed>) = ? [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6930] <... exit_group resumed>) = ? [pid 6933] close(7 [pid 6932] +++ exited with 0 +++ [pid 6931] close(21 [pid 6930] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6933] close(8 [pid 6931] close(22 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] lstat("./257/cgroup.cpu", [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] getdents64(3, [pid 6933] close(9 [pid 6931] close(23 [pid 3487] lstat("./277/cgroup.cpu", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./257/cgroup.cpu" [pid 6933] close(10 [pid 6931] close(24 [pid 3487] unlink("./277/cgroup.cpu" [pid 3485] <... restart_syscall resumed>) = 0 [pid 3483] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6931] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(25) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6931] close(26) = -1 EBADF (Bad file descriptor) [pid 6931] close(27) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6931] close(28) = -1 EBADF (Bad file descriptor) [pid 6931] close(29) = -1 EBADF (Bad file descriptor) [pid 6931] exit_group(0 [pid 6934] <... futex resumed>) = ? [pid 6931] <... exit_group resumed>) = ? [pid 6934] +++ exited with 0 +++ [pid 6933] close(11 [pid 6931] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 3485] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./264/binderfs", [pid 3482] getdents64(3, [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6933] close(12 [pid 3487] close(3 [pid 3485] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] unlink("./264/binderfs" [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6933] close(13 [pid 3487] rmdir("./277" [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6933] close(14 [pid 3487] mkdir("./278", 0777 [pid 3485] getdents64(3, [pid 3484] <... openat resumed>) = 3 [pid 3483] lstat("./264/cgroup", [pid 3482] close(3 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... close resumed>) = 0 [pid 6933] close(15 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./264/cgroup" [pid 3482] rmdir("./257" [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 6936 attached [pid 6933] close(16 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6936] set_robust_list(0x5555562645e0, 24 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 558 [pid 3485] lstat("./270/binderfs", [pid 3484] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] mkdir("./258", 0777 [pid 6936] <... set_robust_list resumed>) = 0 [pid 6933] close(17 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./264/cgroup.net", [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./270/binderfs" [pid 3484] lstat("./268/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6936] chdir("./278" [pid 6933] close(18 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./264/cgroup.net" [pid 3482] <... mkdir resumed>) = 0 [pid 6936] <... chdir resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./268/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 6936] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6933] close(19 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6936] <... prctl resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./270/cgroup", [pid 3484] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6936] setpgid(0, 0 [pid 6933] close(20 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./264/cgroup.cpu", ./strace-static-x86_64: Process 6937 attached [pid 6936] <... setpgid resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./270/cgroup" [pid 3484] lstat("./268/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6937] set_robust_list(0x5555562645e0, 24 [pid 6936] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6933] close(21 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./264/cgroup.cpu" [pid 6937] <... set_robust_list resumed>) = 0 [pid 6936] <... symlink resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./268/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 518 [pid 6937] chdir("./258" [pid 6936] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6933] close(22 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 6937] <... chdir resumed>) = 0 [pid 6936] <... symlink resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./270/cgroup.net", [pid 3484] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6937] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6936] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6933] close(23 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 6937] <... prctl resumed>) = 0 [pid 6936] <... symlink resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./270/cgroup.net" [pid 3484] lstat("./268/cgroup.net", [pid 3483] <... close resumed>) = 0 [pid 6937] setpgid(0, 0 [pid 6936] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6933] close(24 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] rmdir("./264" [pid 6937] <... setpgid resumed>) = 0 [pid 6936] <... openat resumed>) = 3 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./268/cgroup.net" [pid 3483] <... rmdir resumed>) = 0 [pid 6937] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6936] write(3, "1000", 4 [pid 6933] close(25 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] mkdir("./265", 0777 [pid 6937] <... symlink resumed>) = 0 [pid 6936] <... write resumed>) = 4 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./270/cgroup.cpu", [pid 3484] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... mkdir resumed>) = 0 [pid 6937] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6936] close(3 [pid 6933] close(26 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6937] <... symlink resumed>) = 0 [pid 6936] <... close resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./270/cgroup.cpu" [pid 3484] lstat("./268/cgroup.cpu", ./strace-static-x86_64: Process 6938 attached [pid 6937] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6936] read(200, [pid 6933] close(27 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 532 [pid 6938] set_robust_list(0x5555562645e0, 24) = 0 [pid 6937] <... symlink resumed>) = 0 [pid 6938] chdir("./265" [pid 6936] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] unlink("./268/cgroup.cpu" [pid 6938] <... chdir resumed>) = 0 [pid 6937] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6936] symlink("/dev/binderfs", "./binderfs" [pid 6933] close(28 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6938] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6937] <... openat resumed>) = 3 [pid 6938] <... prctl resumed>) = 0 [pid 6938] setpgid(0, 0 [pid 6937] write(3, "1000", 4 [pid 6936] <... symlink resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] getdents64(3, [pid 6938] <... setpgid resumed>) = 0 [pid 6937] <... write resumed>) = 4 [pid 6938] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6937] close(3 [pid 6936] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6933] close(29 [pid 3485] <... close resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6938] <... symlink resumed>) = 0 [pid 6937] <... close resumed>) = 0 [pid 6936] <... futex resumed>) = 0 [pid 6933] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./270" [pid 3484] close(3 [pid 6938] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu") = 0 [pid 6937] read(200, [pid 6936] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6933] exit_group(0 [pid 3484] <... close resumed>) = 0 [pid 6938] symlink("/syzcgroup/net/syz1", "./cgroup.net") = 0 [pid 6937] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6936] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6935] <... futex resumed>) = ? [pid 6933] <... exit_group resumed>) = ? [pid 3485] <... rmdir resumed>) = 0 [pid 3484] rmdir("./268" [pid 6938] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6937] symlink("/dev/binderfs", "./binderfs" [pid 6936] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6935] +++ exited with 0 +++ [pid 6933] +++ exited with 0 +++ [pid 3485] mkdir("./271", 0777 [pid 3484] <... rmdir resumed>) = 0 [pid 6938] <... openat resumed>) = 3 [pid 6937] <... symlink resumed>) = 0 [pid 6936] <... mprotect resumed>) = 0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] <... mkdir resumed>) = 0 [pid 3484] mkdir("./269", 0777 [pid 6938] write(3, "1000", 4 [pid 6937] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] 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] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 6939 attached [pid 6938] <... write resumed>) = 4 [pid 6937] <... futex resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6941 attached ./strace-static-x86_64: Process 6940 attached [pid 6939] set_robust_list(0x7fa7c8c309e0, 24 [pid 6938] close(3 [pid 6937] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6936] <... clone resumed>, parent_tid=[559], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 559 [pid 3486] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 544 [pid 6941] set_robust_list(0x5555562645e0, 24 [pid 6940] set_robust_list(0x5555562645e0, 24 [pid 6939] <... set_robust_list resumed>) = 0 [pid 6938] <... close resumed>) = 0 [pid 6937] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6936] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 540 [pid 6941] <... set_robust_list resumed>) = 0 [pid 6940] <... set_robust_list resumed>) = 0 [pid 6939] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6938] read(200, [pid 6937] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6936] <... futex resumed>) = 0 [pid 6941] chdir("./269" [pid 6940] chdir("./271" [pid 6939] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] <... mprotect resumed>) = 0 [pid 6936] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6941] <... chdir resumed>) = 0 [pid 6939] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] 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 6936] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 6942 attached [pid 6941] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6940] <... chdir resumed>) = 0 [pid 6939] <... futex resumed>) = 0 [pid 6938] symlink("/dev/binderfs", "./binderfs" [pid 6936] close(3 [pid 3486] <... openat resumed>) = 3 [pid 6942] set_robust_list(0x7fa7c8c309e0, 24 [pid 6941] <... prctl resumed>) = 0 [pid 6940] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6939] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6937] <... clone resumed>, parent_tid=[519], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 519 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6942] <... set_robust_list resumed>) = 0 [pid 6941] setpgid(0, 0 [pid 6940] <... prctl resumed>) = 0 [pid 6938] <... symlink resumed>) = 0 [pid 6937] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] close(4 [pid 3486] fstat(3, [pid 6942] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6941] <... setpgid resumed>) = 0 [pid 6940] setpgid(0, 0 [pid 6937] <... futex resumed>) = 0 [pid 6938] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6942] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6940] <... setpgid resumed>) = 0 [pid 6938] <... futex resumed>) = 0 [pid 6937] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6936] close(5 [pid 3486] getdents64(3, [pid 6942] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... symlink resumed>) = 0 [pid 6940] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6938] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6937] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6942] <... futex resumed>) = 0 [pid 6941] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6937] close(3 [pid 6936] close(6 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6942] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... symlink resumed>) = 0 [pid 6940] <... symlink resumed>) = 0 [pid 6938] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6941] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6940] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6938] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6937] close(4 [pid 6936] close(7 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6941] <... symlink resumed>) = 0 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6940] <... symlink resumed>) = 0 [pid 6938] <... mprotect resumed>) = 0 [pid 6937] close(5 [pid 6936] close(8 [pid 3486] lstat("./275/binderfs", [pid 6941] <... openat resumed>) = 3 [pid 6940] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6938] 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 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6943 attached [pid 6941] write(3, "1000", 4 [pid 6937] close(6 [pid 6936] close(9 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6943] set_robust_list(0x7fa7c8c309e0, 24 [pid 6941] <... write resumed>) = 4 [pid 6940] <... symlink resumed>) = 0 [pid 6938] <... clone resumed>, parent_tid=[533], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 533 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6943] <... set_robust_list resumed>) = 0 [pid 6941] close(3 [pid 6940] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6938] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6937] close(7 [pid 6936] close(10 [pid 3486] unlink("./275/binderfs" [pid 6943] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6941] <... close resumed>) = 0 [pid 6940] <... openat resumed>) = 3 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6943] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] read(200, [pid 6938] <... futex resumed>) = 0 [pid 6937] close(8 [pid 6940] write(3, "1000", 4 [pid 6936] close(11 [pid 3486] <... unlink resumed>) = 0 [pid 6943] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6940] <... write resumed>) = 4 [pid 6938] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6943] <... futex resumed>) = 0 [pid 6941] symlink("/dev/binderfs", "./binderfs" [pid 6940] close(3 [pid 6938] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] close(9 [pid 6936] close(12 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6943] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... symlink resumed>) = 0 [pid 6940] <... close resumed>) = 0 [pid 6938] close(3 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./275/cgroup", [pid 6941] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] read(200, [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(10 [pid 6936] close(13 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6941] <... futex resumed>) = 0 [pid 6940] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6938] close(4 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./275/cgroup" [pid 6941] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6940] symlink("/dev/binderfs", "./binderfs" [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(11 [pid 6936] close(14 [pid 3486] <... unlink resumed>) = 0 [pid 6941] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6941] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6940] <... symlink resumed>) = 0 [pid 6938] close(5 [pid 6937] close(12 [pid 6936] close(15 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6941] <... mprotect resumed>) = 0 [pid 6940] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./275/cgroup.net", [pid 6941] 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 6940] <... futex resumed>) = 0 [pid 6938] close(6 [pid 6937] close(13 [pid 6936] close(16 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6944 attached [pid 6940] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./275/cgroup.net" [pid 6944] set_robust_list(0x7fa7c8c309e0, 24 [pid 6941] <... clone resumed>, parent_tid=[541], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 541 [pid 6940] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6938] close(7 [pid 6937] close(14 [pid 6936] close(17 [pid 3486] <... unlink resumed>) = 0 [pid 6944] <... set_robust_list resumed>) = 0 [pid 6941] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6944] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6941] <... futex resumed>) = 0 [pid 6940] <... mprotect resumed>) = 0 [pid 6938] close(8 [pid 6937] close(15 [pid 6944] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6940] 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 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(18 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6944] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6937] close(16 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./275/cgroup.cpu", ./strace-static-x86_64: Process 6945 attached [pid 6944] <... futex resumed>) = 0 [pid 6941] close(3 [pid 6938] close(9 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(19 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6945] set_robust_list(0x7fa7c8c309e0, 24 [pid 6944] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... clone resumed>, parent_tid=[545], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 545 [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(17 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./275/cgroup.cpu" [pid 6945] <... set_robust_list resumed>) = 0 [pid 6940] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6938] close(10 [pid 6945] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6940] <... futex resumed>) = 0 [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6945] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] close(4 [pid 6940] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6938] close(11 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(20 [pid 6945] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6940] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6945] <... futex resumed>) = 0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(3 [pid 6938] close(12 [pid 6937] close(18 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 6945] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6941] close(5 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(21 [pid 3486] getdents64(3, [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(19 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6941] close(6 [pid 6940] close(4 [pid 6938] close(13 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(22 [pid 3486] close(3 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(20 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 6941] close(7 [pid 6940] close(5 [pid 6938] close(14 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(23 [pid 3486] rmdir("./275" [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(21 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(6 [pid 6938] close(15 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(7 [pid 6941] close(8 [pid 6938] close(16 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(24 [pid 3486] <... rmdir resumed>) = 0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(22 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./276", 0777 [pid 6941] close(9 [pid 6940] close(8 [pid 6938] close(17 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(25 [pid 3486] <... mkdir resumed>) = 0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] close(10 [pid 6940] close(9 [pid 6938] close(18 [pid 6937] close(23 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] close(11 [pid 6940] close(10 [pid 6938] close(19 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(26 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(24 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] close(12 [pid 6940] close(11 [pid 6938] close(20 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(27./strace-static-x86_64: Process 6946 attached [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(25 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(12 [pid 6938] close(21 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(28 [pid 6941] close(13 [pid 6946] set_robust_list(0x5555562645e0, 24 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(26 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 554 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(13 [pid 6938] close(22 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] close(29 [pid 6946] <... set_robust_list resumed>) = 0 [pid 6941] close(14 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(27 [pid 6940] close(14 [pid 6938] close(23 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(15 [pid 6938] close(24 [pid 6936] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6946] chdir("./276" [pid 6941] close(15 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(16 [pid 6938] close(25 [pid 6937] close(28 [pid 6936] exit_group(0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6946] <... chdir resumed>) = 0 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6941] close(16 [pid 6940] close(17 [pid 6939] <... futex resumed>) = ? [pid 6938] close(26 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] <... exit_group resumed>) = ? [pid 6946] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(18 [pid 6939] +++ exited with 0 +++ [pid 6938] close(27 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(19 [pid 6938] close(28 [pid 6941] close(17 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] close(29 [pid 6946] <... prctl resumed>) = 0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(20 [pid 6938] close(29 [pid 6937] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6936] +++ exited with 0 +++ [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6937] exit_group(0 [pid 6941] close(18 [pid 6946] setpgid(0, 0 [pid 6942] <... futex resumed>) = ? [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(21 [pid 6938] exit_group(0 [pid 6937] <... exit_group resumed>) = ? [pid 6946] <... setpgid resumed>) = 0 [pid 6943] <... futex resumed>) = ? [pid 6942] +++ exited with 0 +++ [pid 6941] close(19 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6938] <... exit_group resumed>) = ? [pid 6946] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6943] +++ exited with 0 +++ [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(22 [pid 6938] +++ exited with 0 +++ [pid 6937] +++ exited with 0 +++ [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(23 [pid 6946] <... symlink resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=518, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6941] close(20 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6940] close(24 [pid 3482] <... restart_syscall resumed>) = 0 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] close(25) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./258", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6940] close(26 [pid 3487] <... restart_syscall resumed>) = 0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] openat(AT_FDCWD, "./258", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6941] close(21 [pid 6940] close(27 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... openat resumed>) = 3 [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] fstat(3, [pid 6946] <... symlink resumed>) = 0 [pid 6940] close(28 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6946] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 6946] <... symlink resumed>) = 0 [pid 6941] close(22 [pid 6940] close(29 [pid 3487] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6946] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./258/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6946] <... openat resumed>) = 3 [pid 6941] close(23 [pid 6940] exit_group(0 [pid 3487] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... openat resumed>) = 3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] write(3, "1000", 4 [pid 6945] <... futex resumed>) = ? [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6940] <... exit_group resumed>) = ? [pid 3487] <... openat resumed>) = 3 [pid 3483] fstat(3, [pid 6946] <... write resumed>) = 4 [pid 6945] +++ exited with 0 +++ [pid 6941] close(24 [pid 3487] fstat(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] lstat("./258/binderfs", [pid 6946] close(3 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6940] +++ exited with 0 +++ [pid 3483] getdents64(3, [pid 6946] <... close resumed>) = 0 [pid 6941] close(25 [pid 3487] getdents64(3, [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6946] read(200, [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./258/binderfs" [pid 6946] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6941] close(26 [pid 3487] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6946] symlink("/dev/binderfs", "./binderfs" [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... symlink resumed>) = 0 [pid 6941] close(27 [pid 3487] lstat("./278/binderfs", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./265/binderfs", [pid 3482] umount2("./258/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6946] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6941] <... 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, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6946] <... futex resumed>) = 0 [pid 6941] close(28 [pid 3487] unlink("./278/binderfs" [pid 3485] <... openat resumed>) = 3 [pid 3483] unlink("./265/binderfs" [pid 6946] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6941] close(29 [pid 3487] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./258/cgroup", [pid 6946] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6941] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... mprotect resumed>) = 0 [pid 6941] exit_group(0 [pid 3487] lstat("./278/cgroup", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6946] 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 6944] <... futex resumed>) = ? [pid 6941] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./265/cgroup", [pid 3482] unlink("./258/cgroup"./strace-static-x86_64: Process 6947 attached [pid 6944] +++ exited with 0 +++ [pid 6941] +++ exited with 0 +++ [pid 3487] unlink("./278/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6946] <... clone resumed>, parent_tid=[555], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 555 [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./271/binderfs", [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] unlink("./265/cgroup" [pid 3482] umount2("./258/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6947] set_robust_list(0x7fa7c8c309e0, 24 [pid 6946] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6947] <... set_robust_list resumed>) = 0 [pid 6946] <... futex resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./271/binderfs" [pid 3483] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6947] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6946] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] lstat("./278/cgroup.net", [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./258/cgroup.net", [pid 6947] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./265/cgroup.net", [pid 6947] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] unlink("./278/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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 6947] <... futex resumed>) = 1 [pid 6946] <... futex resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./271/cgroup", [pid 3484] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./265/cgroup.net" [pid 6947] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6946] close(3 [pid 3487] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./258/cgroup.net" [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./271/cgroup" [pid 3484] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... unlink resumed>) = 0 [pid 6946] close(4 [pid 3487] lstat("./278/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] close(5 [pid 3487] unlink("./278/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] lstat("./265/cgroup.cpu", [pid 3482] umount2("./258/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./271/cgroup.net", [pid 3484] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6946] close(6 [pid 3487] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./265/cgroup.cpu" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./271/cgroup.net" [pid 3484] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 6946] close(7 [pid 3487] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] lstat("./258/cgroup.cpu", [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./269/binderfs", [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6946] close(8 [pid 3487] rmdir("./278" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] lstat("./271/cgroup.cpu", [pid 3484] unlink("./269/binderfs" [pid 3483] <... close resumed>) = 0 [pid 3482] unlink("./258/cgroup.cpu" [pid 6946] close(9 [pid 3487] mkdir("./279", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] rmdir("./265" [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] unlink("./271/cgroup.cpu" [pid 3484] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6946] close(10 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] mkdir("./266", 0777 [pid 3482] getdents64(3, [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] lstat("./269/cgroup", [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6946] close(11 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] close(3./strace-static-x86_64: Process 6948 attached [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./269/cgroup" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6948] set_robust_list(0x5555562645e0, 24 [pid 6946] close(12 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 560 [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 ./strace-static-x86_64: Process 6949 attached [pid 6948] <... set_robust_list resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./258" [pid 6949] set_robust_list(0x5555562645e0, 24 [pid 6948] chdir("./279" [pid 6946] close(13 [pid 3485] rmdir("./271" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 534 [pid 6949] <... set_robust_list resumed>) = 0 [pid 6948] <... chdir resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] lstat("./269/cgroup.net", [pid 3482] <... rmdir resumed>) = 0 [pid 6949] chdir("./266" [pid 6948] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6946] close(14 [pid 3485] mkdir("./272", 0777 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6949] <... chdir resumed>) = 0 [pid 6948] <... prctl resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] unlink("./269/cgroup.net" [pid 3482] mkdir("./259", 0777 [pid 6949] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6948] setpgid(0, 0 [pid 6946] close(15 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6950 attached [pid 6949] <... prctl resumed>) = 0 [pid 6948] <... setpgid resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... mkdir resumed>) = 0 [pid 6950] set_robust_list(0x5555562645e0, 24 [pid 6949] setpgid(0, 0 [pid 6948] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6946] close(16 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 546 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6950] <... set_robust_list resumed>) = 0 [pid 6949] <... setpgid resumed>) = 0 [pid 6948] <... symlink resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./269/cgroup.cpu", ./strace-static-x86_64: Process 6951 attached [pid 6950] chdir("./272" [pid 6949] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6948] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 6946] close(17 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6951] set_robust_list(0x5555562645e0, 24 [pid 6950] <... chdir resumed>) = 0 [pid 6949] <... symlink resumed>) = 0 [pid 6948] <... symlink resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./269/cgroup.cpu" [pid 6951] <... set_robust_list resumed>) = 0 [pid 6950] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6949] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6948] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6946] close(18 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 520 [pid 6951] chdir("./259") = 0 [pid 6949] <... symlink resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6950] <... prctl resumed>) = 0 [pid 6949] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6948] <... symlink resumed>) = 0 [pid 6946] close(19 [pid 3484] getdents64(3, [pid 6951] <... prctl resumed>) = 0 [pid 6950] setpgid(0, 0 [pid 6949] <... symlink resumed>) = 0 [pid 6948] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6951] setpgid(0, 0 [pid 6950] <... setpgid resumed>) = 0 [pid 6949] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6948] <... openat resumed>) = 3 [pid 6946] close(20 [pid 6951] <... setpgid resumed>) = 0 [pid 6950] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6948] write(3, "1000", 4 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 6949] <... openat resumed>) = 3 [pid 6951] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6950] <... symlink resumed>) = 0 [pid 6949] write(3, "1000", 4 [pid 6948] <... write resumed>) = 4 [pid 6946] close(21 [pid 3484] <... close resumed>) = 0 [pid 6951] <... symlink resumed>) = 0 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6946] close(22) = -1 EBADF (Bad file descriptor) [pid 6946] close(23) = -1 EBADF (Bad file descriptor) [pid 6946] close(24) = -1 EBADF (Bad file descriptor) [pid 6946] close(25) = -1 EBADF (Bad file descriptor) [pid 6946] close(26) = -1 EBADF (Bad file descriptor) [pid 6946] close(27) = -1 EBADF (Bad file descriptor) [pid 6946] close(28) = -1 EBADF (Bad file descriptor) [pid 6946] close(29 [pid 6949] <... write resumed>) = 4 [pid 6946] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] close(3 [pid 6946] exit_group(0 [pid 3484] rmdir("./269" [pid 6947] <... futex resumed>) = ? [pid 6946] <... exit_group resumed>) = ? [pid 6950] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6949] close(3 [pid 6948] <... close resumed>) = 0 [pid 6947] +++ exited with 0 +++ [pid 6946] +++ exited with 0 +++ [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6949] <... close resumed>) = 0 [pid 6948] read(200, [pid 6951] <... symlink resumed>) = 0 [pid 6951] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6950] <... symlink resumed>) = 0 [pid 6951] <... symlink resumed>) = 0 [pid 6950] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6949] read(200, [pid 6948] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... rmdir resumed>) = 0 [pid 6951] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6950] <... symlink resumed>) = 0 [pid 6949] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6948] symlink("/dev/binderfs", "./binderfs" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6951] <... openat resumed>) = 3 [pid 6949] symlink("/dev/binderfs", "./binderfs" [pid 3486] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] mkdir("./270", 0777 [pid 6951] write(3, "1000", 4 [pid 3486] <... openat resumed>) = 3 [pid 6951] <... write resumed>) = 4 [pid 3486] fstat(3, [pid 6951] close(3 [pid 6948] <... symlink resumed>) = 0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6951] <... close resumed>) = 0 [pid 3486] getdents64(3, [pid 6951] read(200, [pid 6949] <... symlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6951] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6951] symlink("/dev/binderfs", "./binderfs" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... mkdir resumed>) = 0 [pid 6950] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6951] <... symlink resumed>) = 0 [pid 6949] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] lstat("./276/binderfs", [pid 6951] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... openat resumed>) = 3 [pid 6949] <... futex resumed>) = 0 [pid 6948] <... futex resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6952 attached [pid 6951] <... futex resumed>) = 0 [pid 6950] write(3, "1000", 4 [pid 6949] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6948] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] unlink("./276/binderfs" [pid 6952] set_robust_list(0x5555562645e0, 24 [pid 6951] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6950] <... write resumed>) = 4 [pid 6949] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6948] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 542 [pid 6952] <... set_robust_list resumed>) = 0 [pid 6951] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6950] close(3 [pid 6949] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6948] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6952] chdir("./270" [pid 6951] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6950] <... close resumed>) = 0 [pid 6949] <... mprotect resumed>) = 0 [pid 6948] <... mprotect resumed>) = 0 [pid 6952] <... chdir resumed>) = 0 [pid 6951] <... mprotect resumed>) = 0 [pid 6950] read(200, [pid 6949] 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 6948] 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 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6954 attached ./strace-static-x86_64: Process 6953 attached [pid 6952] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6951] 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 6950] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] lstat("./276/cgroup", ./strace-static-x86_64: Process 6955 attached [pid 6954] set_robust_list(0x7fa7c8c309e0, 24 [pid 6953] set_robust_list(0x7fa7c8c309e0, 24 [pid 6952] <... prctl resumed>) = 0 [pid 6950] symlink("/dev/binderfs", "./binderfs" [pid 6949] <... clone resumed>, parent_tid=[535], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 535 [pid 6948] <... clone resumed>, parent_tid=[561], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 561 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6955] set_robust_list(0x7fa7c8c309e0, 24 [pid 6954] <... set_robust_list resumed>) = 0 [pid 6953] <... set_robust_list resumed>) = 0 [pid 6952] setpgid(0, 0 [pid 6951] <... clone resumed>, parent_tid=[521], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 521 [pid 6950] <... symlink resumed>) = 0 [pid 6949] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6948] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] unlink("./276/cgroup" [pid 6955] <... set_robust_list resumed>) = 0 [pid 6954] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6953] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6952] <... setpgid resumed>) = 0 [pid 6951] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] <... futex resumed>) = 0 [pid 6948] <... futex resumed>) = 0 [pid 6955] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6954] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6953] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6950] <... futex resumed>) = 0 [pid 6949] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6948] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... unlink resumed>) = 0 [pid 6951] <... futex resumed>) = 0 [pid 6955] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6954] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6953] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6948] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6954] <... futex resumed>) = 0 [pid 6952] <... symlink resumed>) = 0 [pid 6951] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6950] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6948] close(3 [pid 6955] <... futex resumed>) = 0 [pid 6954] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] <... futex resumed>) = 1 [pid 6951] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6950] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6949] <... futex resumed>) = 0 [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6955] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6953] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6951] close(3 [pid 6950] <... mprotect resumed>) = 0 [pid 6952] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6949] close(3 [pid 6948] close(4 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] 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 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6956 attached [pid 6952] <... symlink resumed>) = 0 [pid 6951] close(4 [pid 6949] close(4 [pid 6948] close(5 [pid 3486] lstat("./276/cgroup.net", [pid 6956] set_robust_list(0x7fa7c8c309e0, 24 [pid 6952] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6950] <... clone resumed>, parent_tid=[547], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 547 [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6956] <... set_robust_list resumed>) = 0 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6949] close(5 [pid 6948] close(6 [pid 6956] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6952] <... symlink resumed>) = 0 [pid 6950] <... futex resumed>) = 0 [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./276/cgroup.net" [pid 6956] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(5 [pid 6950] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6949] close(6 [pid 6948] close(7 [pid 6956] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6950] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6956] <... futex resumed>) = 0 [pid 6952] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(3 [pid 6949] close(7 [pid 6948] close(8 [pid 3486] <... unlink resumed>) = 0 [pid 6956] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] <... openat resumed>) = 3 [pid 6951] close(6 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6952] write(3, "1000", 4 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(4 [pid 6949] close(8 [pid 6948] close(9 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6952] <... write resumed>) = 4 [pid 6951] close(7 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(3 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(5 [pid 6949] close(9 [pid 6948] close(10 [pid 3486] lstat("./276/cgroup.cpu", [pid 6952] <... close resumed>) = 0 [pid 6951] close(8 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] read(200, [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(6 [pid 6949] close(10 [pid 6948] close(11 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6952] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6951] close(9 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] symlink("/dev/binderfs", "./binderfs" [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(7 [pid 6949] close(11 [pid 6948] close(12 [pid 3486] unlink("./276/cgroup.cpu" [pid 6952] <... symlink resumed>) = 0 [pid 6951] close(10 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(8 [pid 6949] close(12 [pid 6948] close(13 [pid 6951] close(11 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(9 [pid 6949] close(13 [pid 6948] close(14 [pid 3486] <... unlink resumed>) = 0 [pid 6951] close(12 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... futex resumed>) = 0 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(10 [pid 6949] close(14 [pid 6948] close(15 [pid 3486] getdents64(3, [pid 6952] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6951] close(13 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(11 [pid 6949] close(15 [pid 6948] close(16 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6952] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6951] close(14 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 6952] <... mprotect resumed>) = 0 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(12 [pid 6949] close(16 [pid 6948] close(17 [pid 3486] <... close resumed>) = 0 [pid 6952] 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 6951] close(15 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./276"./strace-static-x86_64: Process 6957 attached [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(13 [pid 6949] close(17 [pid 6948] close(18 [pid 3486] <... rmdir resumed>) = 0 [pid 6957] set_robust_list(0x7fa7c8c309e0, 24 [pid 6952] <... clone resumed>, parent_tid=[543], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 543 [pid 6951] close(16 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./277", 0777 [pid 6957] <... set_robust_list resumed>) = 0 [pid 6952] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(14 [pid 6949] close(18 [pid 6948] close(19 [pid 3486] <... mkdir resumed>) = 0 [pid 6957] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6952] <... futex resumed>) = 0 [pid 6951] close(17 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... 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 6958 attached [pid 6957] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(15 [pid 6949] close(19 [pid 6948] close(20 [pid 6958] set_robust_list(0x5555562645e0, 24 [pid 6957] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6951] close(18 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 556 [pid 6958] <... set_robust_list resumed>) = 0 [pid 6957] <... futex resumed>) = 0 [pid 6952] close(3 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(16 [pid 6949] close(20 [pid 6948] close(21 [pid 6958] chdir("./277" [pid 6957] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(19 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(4 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(17 [pid 6949] close(21 [pid 6948] close(22 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(20 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] <... chdir resumed>) = 0 [pid 6952] close(5 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(18 [pid 6949] close(22 [pid 6948] close(23 [pid 6958] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(21 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] <... prctl resumed>) = 0 [pid 6952] close(6 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(19 [pid 6949] close(23 [pid 6948] close(24 [pid 6958] setpgid(0, 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(22 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(7 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(20 [pid 6949] close(24 [pid 6948] close(25 [pid 6958] <... setpgid resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(23 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6952] close(8 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(21 [pid 6949] close(25 [pid 6948] close(26 [pid 6958] <... symlink resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(24 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6952] close(9 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(22 [pid 6949] close(26 [pid 6948] close(27 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(25 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] <... symlink resumed>) = 0 [pid 6952] close(10 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(23 [pid 6949] close(27 [pid 6948] close(28 [pid 6958] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(26 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(11 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(24 [pid 6949] close(28 [pid 6948] close(29 [pid 6958] <... symlink resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(27 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6952] close(12 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(25 [pid 6949] close(29 [pid 6948] exit_group(0 [pid 6958] <... openat resumed>) = 3 [pid 6954] <... futex resumed>) = ? [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(28 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6948] <... exit_group resumed>) = ? [pid 6958] write(3, "1000", 4 [pid 6954] +++ exited with 0 +++ [pid 6952] close(13 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] close(26 [pid 6949] exit_group(0 [pid 6958] <... write resumed>) = 4 [pid 6953] <... futex resumed>) = ? [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] close(29 [pid 6949] <... exit_group resumed>) = ? [pid 6948] +++ exited with 0 +++ [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] close(3 [pid 6953] +++ exited with 0 +++ [pid 6952] close(14 [pid 6951] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6958] <... close resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] exit_group(0 [pid 6950] close(27 [pid 6958] read(200, [pid 6955] <... futex resumed>) = ? [pid 6952] close(15 [pid 6951] <... exit_group resumed>) = ? [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6949] +++ exited with 0 +++ [pid 6958] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6955] +++ exited with 0 +++ [pid 6958] symlink("/dev/binderfs", "./binderfs") = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6951] +++ exited with 0 +++ [pid 6950] close(28 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6958] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] close(16 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=520, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 6958] <... futex resumed>) = 0 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6950] close(29 [pid 3487] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... restart_syscall resumed>) = 0 [pid 6958] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6952] close(17 [pid 6950] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./259", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] exit_group(0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] <... mprotect resumed>) = 0 [pid 6956] <... futex resumed>) = ? [pid 6952] close(18 [pid 6950] <... exit_group resumed>) = ? [pid 3487] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] openat(AT_FDCWD, "./259", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6958] 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 6956] +++ exited with 0 +++ [pid 3482] <... openat resumed>) = 3 ./strace-static-x86_64: Process 6959 attached [pid 3482] fstat(3, [pid 6959] set_robust_list(0x7fa7c8c309e0, 24 [pid 6958] <... clone resumed>, parent_tid=[557], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 557 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6959] <... set_robust_list resumed>) = 0 [pid 6958] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6950] +++ exited with 0 +++ [pid 3487] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 3483] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6959] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6958] <... futex resumed>) = 0 [pid 6952] close(19 [pid 3487] fstat(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6959] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6958] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./259/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6959] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6958] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6952] close(20 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6959] <... futex resumed>) = 0 [pid 6958] close(3 [pid 3487] getdents64(3, [pid 3485] <... restart_syscall resumed>) = 0 [pid 3483] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] lstat("./259/binderfs", [pid 6959] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... openat resumed>) = 3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6958] close(4 [pid 6952] close(21 [pid 3487] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3482] unlink("./259/binderfs" [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6958] close(5 [pid 6952] close(22 [pid 3487] lstat("./279/binderfs", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./259/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] close(6 [pid 6952] close(23 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] lstat("./259/cgroup", [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./279/binderfs" [pid 3483] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] close(7 [pid 6952] close(24 [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./259/cgroup" [pid 6958] close(8 [pid 6952] close(25 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3483] lstat("./266/binderfs", [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./279/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6958] close(9 [pid 6952] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./266/binderfs" [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./279/cgroup" [pid 3485] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./259/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] close(10 [pid 3487] <... unlink resumed>) = 0 [pid 3483] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./266/cgroup", [pid 3487] lstat("./279/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(27 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./266/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] close(11 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./279/cgroup.net" [pid 3485] lstat("./272/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./259/cgroup.net", [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(28 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] close(12 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./272/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3483] lstat("./266/cgroup.net", [pid 6958] close(13 [pid 6952] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./279/cgroup.cpu", [pid 3485] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./259/cgroup.net" [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./266/cgroup.net" [pid 6958] close(14 [pid 6957] <... futex resumed>) = ? [pid 6952] <... exit_group resumed>) = ? [pid 3487] unlink("./279/cgroup.cpu" [pid 3485] lstat("./272/cgroup", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6957] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] close(15 [pid 3487] getdents64(3, [pid 3485] unlink("./272/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./259/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6952] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] lstat("./266/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6958] close(16 [pid 3487] close(3 [pid 3485] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./259/cgroup.cpu", [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./266/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6958] close(17 [pid 3487] rmdir("./279" [pid 3485] lstat("./272/cgroup.net", [pid 3482] unlink("./259/cgroup.cpu" [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6958] close(18 [pid 3482] getdents64(3, [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] unlink("./272/cgroup.net" [pid 3484] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6958] close(19 [pid 3482] close(3 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 6958] close(20 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] rmdir("./259" [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./280", 0777 [pid 3485] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 6958] close(21 [pid 3482] mkdir("./260", 0777 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3483] close(3 [pid 3482] <... mkdir resumed>) = 0 [pid 6958] close(22 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./272/cgroup.cpu", [pid 3484] fstat(3, [pid 3483] <... close resumed>) = 0 ./strace-static-x86_64: Process 6961 attached ./strace-static-x86_64: Process 6960 attached [pid 6958] close(23 [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] rmdir("./266" [pid 6961] set_robust_list(0x5555562645e0, 24 [pid 6960] set_robust_list(0x5555562645e0, 24 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 562 [pid 3485] unlink("./272/cgroup.cpu" [pid 3484] getdents64(3, [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 522 [pid 6961] <... set_robust_list resumed>) = 0 [pid 6960] <... set_robust_list resumed>) = 0 [pid 6958] close(24 [pid 3483] <... rmdir resumed>) = 0 [pid 6961] chdir("./280" [pid 6960] chdir("./260" [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] mkdir("./267", 0777 [pid 6961] <... chdir resumed>) = 0 [pid 6960] <... chdir resumed>) = 0 [pid 6958] close(25 [pid 3485] getdents64(3, [pid 3484] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6961] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6960] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... prctl resumed>) = 0 [pid 6960] <... prctl resumed>) = 0 [pid 6958] close(26 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 6960] setpgid(0, 0 [pid 3485] close(3 [pid 3484] lstat("./270/binderfs", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6962 attached [pid 6961] setpgid(0, 0 [pid 6960] <... setpgid resumed>) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6962] set_robust_list(0x5555562645e0, 24 [pid 6961] <... setpgid resumed>) = 0 [pid 6960] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6958] close(27 [pid 3485] rmdir("./272" [pid 6962] <... set_robust_list resumed>) = 0 [pid 6961] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 6960] <... symlink resumed>) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./270/binderfs" [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 536 [pid 6962] chdir("./267" [pid 6961] <... symlink resumed>) = 0 [pid 6960] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6958] close(28 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6962] <... chdir resumed>) = 0 [pid 6961] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] mkdir("./273", 0777 [pid 3484] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6962] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6961] <... symlink resumed>) = 0 [pid 6960] <... symlink resumed>) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6962] <... prctl resumed>) = 0 [pid 6961] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 6960] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6958] close(29 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] lstat("./270/cgroup", [pid 6962] setpgid(0, 0 [pid 6961] <... symlink resumed>) = 0 [pid 6960] <... symlink resumed>) = 0 [pid 6958] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... setpgid resumed>) = 0 [pid 6961] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6960] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6958] exit_group(0./strace-static-x86_64: Process 6963 attached [pid 6962] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6961] <... openat resumed>) = 3 [pid 6960] <... openat resumed>) = 3 [pid 6959] <... futex resumed>) = ? [pid 6958] <... exit_group resumed>) = ? [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6963] set_robust_list(0x5555562645e0, 24 [pid 6962] <... symlink resumed>) = 0 [pid 6961] write(3, "1000", 4 [pid 6960] write(3, "1000", 4 [pid 6959] +++ exited with 0 +++ [pid 6958] +++ exited with 0 +++ [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 548 [pid 3484] unlink("./270/cgroup" [pid 6963] <... set_robust_list resumed>) = 0 [pid 6962] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6961] <... write resumed>) = 4 [pid 6960] <... write resumed>) = 4 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... unlink resumed>) = 0 [pid 6963] chdir("./273" [pid 3484] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6963] <... chdir resumed>) = 0 [pid 6962] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6963] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6962] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6961] close(3 [pid 6960] close(3 [pid 3484] lstat("./270/cgroup.net", [pid 6963] <... prctl resumed>) = 0 [pid 6962] <... symlink resumed>) = 0 [pid 6961] <... close resumed>) = 0 [pid 6960] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6963] setpgid(0, 0 [pid 6962] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6961] read(200, [pid 6960] read(200, [pid 3484] unlink("./270/cgroup.net" [pid 6963] <... setpgid resumed>) = 0 [pid 6962] <... openat resumed>) = 3 [pid 6961] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6960] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6963] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6962] write(3, "1000", 4 [pid 6961] symlink("/dev/binderfs", "./binderfs" [pid 6960] symlink("/dev/binderfs", "./binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 6963] <... symlink resumed>) = 0 [pid 6962] <... write resumed>) = 4 [pid 6961] <... symlink resumed>) = 0 [pid 6960] <... symlink resumed>) = 0 [pid 3484] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6963] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6962] close(3 [pid 6961] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6963] <... symlink resumed>) = 0 [pid 6962] <... close resumed>) = 0 [pid 6961] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6963] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6962] read(200, [pid 6961] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6960] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] lstat("./270/cgroup.cpu", [pid 6963] <... symlink resumed>) = 0 [pid 6962] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6961] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6960] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6963] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6962] symlink("/dev/binderfs", "./binderfs" [pid 6961] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6960] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] <... openat resumed>) = 3 [pid 3484] unlink("./270/cgroup.cpu" [pid 6963] <... openat resumed>) = 3 [pid 6962] <... symlink resumed>) = 0 [pid 6961] <... mprotect resumed>) = 0 [pid 6960] <... mprotect resumed>) = 0 [pid 3486] fstat(3, [pid 3484] <... unlink resumed>) = 0 [pid 6963] write(3, "1000", 4 [pid 6962] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] 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 6960] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] getdents64(3, [pid 6963] <... write resumed>) = 4 [pid 6962] <... futex resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 6965 attached ./strace-static-x86_64: Process 6964 attached [pid 6963] close(3 [pid 6962] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] getdents64(3, [pid 3484] close(3 [pid 6965] set_robust_list(0x7fa7c8c309e0, 24 [pid 6964] set_robust_list(0x7fa7c8c309e0, 24 [pid 6963] <... close resumed>) = 0 [pid 6962] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6961] <... clone resumed>, parent_tid=[563], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 563 [pid 6960] <... clone resumed>, parent_tid=[523], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 523 [pid 3484] <... close resumed>) = 0 [pid 6965] <... set_robust_list resumed>) = 0 [pid 6964] <... set_robust_list resumed>) = 0 [pid 6963] read(200, [pid 6962] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6961] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6960] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] rmdir("./270" [pid 6965] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6964] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6963] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... mprotect resumed>) = 0 [pid 6961] <... futex resumed>) = 0 [pid 6960] <... futex resumed>) = 0 [pid 3486] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... rmdir resumed>) = 0 [pid 6965] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6964] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] symlink("/dev/binderfs", "./binderfs" [pid 6962] 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 6961] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6960] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] mkdir("./271", 0777./strace-static-x86_64: Process 6966 attached [pid 6965] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6964] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... symlink resumed>) = 0 [pid 6961] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6960] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] lstat("./277/binderfs", [pid 6966] set_robust_list(0x7fa7c8c309e0, 24 [pid 6965] <... futex resumed>) = 0 [pid 6961] close(3 [pid 6960] close(3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6966] <... set_robust_list resumed>) = 0 [pid 6965] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./277/binderfs" [pid 3484] <... mkdir resumed>) = 0 [pid 6966] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6964] <... futex resumed>) = 0 [pid 6962] <... clone resumed>, parent_tid=[537], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 537 [pid 6963] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] close(4 [pid 6960] close(4 [pid 3486] <... unlink resumed>) = 0 [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6964] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6963] <... futex resumed>) = 0 [pid 6962] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6961] close(5 [pid 6960] close(5 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6966] <... futex resumed>) = 0 [pid 6963] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6962] <... futex resumed>) = 1 [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./277/cgroup", [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6966] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6963] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6962] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6961] close(6 [pid 6960] close(6 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6966] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./277/cgroup" [pid 6966] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] <... mprotect resumed>) = 0 [pid 6961] close(7 [pid 6960] close(7 [pid 3486] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6967 attached [pid 6966] <... futex resumed>) = 1 [pid 6962] <... futex resumed>) = 0 [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6967] set_robust_list(0x5555562645e0, 24 [pid 6966] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6963] 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 6962] close(3 [pid 6961] close(8 [pid 6960] close(8 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6967] <... set_robust_list resumed>) = 0 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./277/cgroup.net", ./strace-static-x86_64: Process 6968 attached [pid 6967] chdir("./271" [pid 6962] close(4 [pid 6961] close(9 [pid 6960] close(9 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 544 [pid 6968] set_robust_list(0x7fa7c8c309e0, 24 [pid 6967] <... chdir resumed>) = 0 [pid 6963] <... clone resumed>, parent_tid=[549], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 549 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./277/cgroup.net" [pid 6968] <... set_robust_list resumed>) = 0 [pid 6967] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6963] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6962] close(5 [pid 6961] close(10 [pid 6960] close(10 [pid 3486] <... unlink resumed>) = 0 [pid 6968] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6967] <... prctl resumed>) = 0 [pid 6963] <... futex resumed>) = 0 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6968] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] setpgid(0, 0 [pid 6963] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6962] close(6 [pid 6961] close(11 [pid 6960] close(11 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6968] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... setpgid resumed>) = 0 [pid 6963] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./277/cgroup.cpu", [pid 6968] <... futex resumed>) = 0 [pid 6967] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6963] close(3 [pid 6962] close(7 [pid 6961] close(12 [pid 6960] close(12 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6968] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6967] <... symlink resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./277/cgroup.cpu" [pid 6967] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6963] close(4 [pid 6962] close(8 [pid 6961] close(13 [pid 6960] close(13 [pid 3486] <... unlink resumed>) = 0 [pid 6967] <... symlink resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 6967] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6963] close(5 [pid 6962] close(9 [pid 6961] close(14 [pid 6960] close(14 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6967] <... symlink resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 6967] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6963] close(6 [pid 6962] close(10 [pid 6961] close(15 [pid 6960] close(15 [pid 3486] <... close resumed>) = 0 [pid 6967] <... openat resumed>) = 3 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./277" [pid 6967] write(3, "1000", 4 [pid 6963] close(7 [pid 6962] close(11 [pid 6961] close(16 [pid 6960] close(16 [pid 3486] <... rmdir resumed>) = 0 [pid 6967] <... write resumed>) = 4 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./278", 0777 [pid 6967] close(3 [pid 6963] close(8 [pid 6962] close(12 [pid 6961] close(17 [pid 6960] close(17 [pid 3486] <... mkdir resumed>) = 0 [pid 6967] <... close resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... 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 6969 attached [pid 6967] read(200, [pid 6963] close(9 [pid 6962] close(13 [pid 6961] close(18 [pid 6960] close(18 [pid 6969] set_robust_list(0x5555562645e0, 24 [pid 6967] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 558 [pid 6969] <... set_robust_list resumed>) = 0 [pid 6967] symlink("/dev/binderfs", "./binderfs" [pid 6963] close(10 [pid 6962] close(14 [pid 6961] close(19 [pid 6960] close(19 [pid 6969] chdir("./278" [pid 6967] <... symlink resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... chdir resumed>) = 0 [pid 6967] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] close(11 [pid 6962] close(15 [pid 6961] close(20 [pid 6960] close(20 [pid 6969] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6967] <... futex resumed>) = 0 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... prctl resumed>) = 0 [pid 6967] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6963] close(12 [pid 6962] close(16 [pid 6961] close(21 [pid 6960] close(21 [pid 6969] setpgid(0, 0 [pid 6967] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... setpgid resumed>) = 0 [pid 6967] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6962] close(17 [pid 6963] close(13 [pid 6961] close(22 [pid 6960] close(22 [pid 6969] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6967] <... mprotect resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... symlink resumed>) = 0 [pid 6967] 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 6962] close(18 [pid 6961] close(23 [pid 6960] close(23./strace-static-x86_64: Process 6970 attached [pid 6969] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6963] close(14 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6970] set_robust_list(0x7fa7c8c309e0, 24 [pid 6969] <... symlink resumed>) = 0 [pid 6967] <... clone resumed>, parent_tid=[545], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 545 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(19 [pid 6961] close(24 [pid 6960] close(24 [pid 6970] <... set_robust_list resumed>) = 0 [pid 6969] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6967] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6963] close(15 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6970] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6969] <... symlink resumed>) = 0 [pid 6967] <... futex resumed>) = 0 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(20 [pid 6961] close(25 [pid 6960] close(25 [pid 6970] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6967] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6963] close(16 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6970] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... openat resumed>) = 3 [pid 6967] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(21 [pid 6961] close(26 [pid 6960] close(26 [pid 6970] <... futex resumed>) = 0 [pid 6969] write(3, "1000", 4 [pid 6967] close(3 [pid 6963] close(17 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6970] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6969] <... write resumed>) = 4 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(22 [pid 6961] close(27 [pid 6960] close(27 [pid 6969] close(3 [pid 6967] close(4 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... close resumed>) = 0 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] close(18 [pid 6962] close(23 [pid 6961] close(28 [pid 6960] close(28 [pid 6969] read(200, [pid 6967] close(5 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(24 [pid 6961] close(29 [pid 6960] close(29 [pid 6963] close(19 [pid 6969] symlink("/dev/binderfs", "./binderfs" [pid 6967] close(6 [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6960] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... symlink resumed>) = 0 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] close(20 [pid 6962] close(25 [pid 6961] exit_group(0 [pid 6960] exit_group(0 [pid 6969] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] close(7 [pid 6965] <... futex resumed>) = ? [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6961] <... exit_group resumed>) = ? [pid 6960] <... exit_group resumed>) = ? [pid 6964] <... futex resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... futex resumed>) = 0 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6965] +++ exited with 0 +++ [pid 6963] close(21 [pid 6962] close(26 [pid 6960] +++ exited with 0 +++ [pid 6969] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6967] close(8 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6964] +++ exited with 0 +++ [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(27 [pid 6961] +++ exited with 0 +++ [pid 6969] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6967] close(9 [pid 6963] close(22 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... mprotect resumed>) = 0 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(28 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=522, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 6969] 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 6967] close(10 [pid 6963] close(23 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 6971 attached [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] close(29 [pid 6971] set_robust_list(0x7fa7c8c309e0, 24 [pid 6969] <... clone resumed>, parent_tid=[559], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 559 [pid 6967] close(11 [pid 6963] close(24 [pid 6962] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... restart_syscall resumed>) = 0 [pid 6971] <... set_robust_list resumed>) = 0 [pid 6969] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6962] exit_group(0 [pid 6971] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6969] <... futex resumed>) = 0 [pid 6967] close(12 [pid 6966] <... futex resumed>) = ? [pid 6963] close(25 [pid 6962] <... exit_group resumed>) = ? [pid 6971] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6966] +++ exited with 0 +++ [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6971] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6969] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6967] close(13 [pid 6963] close(26 [pid 6962] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./260", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6971] <... futex resumed>) = 0 [pid 6969] close(3 [pid 6963] close(27 [pid 3487] <... openat resumed>) = 3 [pid 3482] openat(AT_FDCWD, "./260", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6971] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3482] <... openat resumed>) = 3 [pid 6969] close(4 [pid 6967] close(14 [pid 6963] close(28 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] fstat(3, [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6969] close(5 [pid 6967] close(15 [pid 6963] close(29 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] getdents64(3, [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6969] close(6 [pid 6967] close(16 [pid 6963] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./260/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6968] <... futex resumed>) = ? [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] <... exit_group resumed>) = ? [pid 3487] lstat("./280/binderfs", [pid 3483] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6969] close(7 [pid 6968] +++ exited with 0 +++ [pid 6967] close(17 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6963] +++ exited with 0 +++ [pid 3487] unlink("./280/binderfs" [pid 3483] <... openat resumed>) = 3 [pid 3482] lstat("./260/binderfs", [pid 6969] close(8 [pid 6967] close(18 [pid 3487] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6969] close(9 [pid 6967] close(19 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3483] getdents64(3, [pid 3482] unlink("./260/binderfs" [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./280/cgroup", [pid 3485] <... restart_syscall resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... unlink resumed>) = 0 [pid 6969] close(10 [pid 6967] close(20 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./260/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./280/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6969] close(11 [pid 6967] close(21 [pid 3487] <... unlink resumed>) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./267/binderfs", [pid 3482] lstat("./260/cgroup", [pid 6969] close(12 [pid 6967] close(22 [pid 6969] <... 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6969] close(13 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(23 [pid 3487] lstat("./280/cgroup.net", [pid 3485] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] unlink("./267/binderfs" [pid 3482] unlink("./260/cgroup" [pid 6969] close(14 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... openat resumed>) = 3 [pid 3483] <... unlink resumed>) = 0 [pid 6969] close(15 [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(24 [pid 3485] fstat(3, [pid 3483] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6969] close(16 [pid 3487] unlink("./280/cgroup.net" [pid 3482] umount2("./260/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6969] close(17 [pid 3487] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(25 [pid 3485] getdents64(3, [pid 3483] lstat("./267/cgroup", [pid 6969] close(18 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] lstat("./260/cgroup.net", [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6969] close(19 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./280/cgroup.cpu", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./267/cgroup" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(27 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./273/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 6969] close(20 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./280/cgroup.cpu" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./260/cgroup.net" [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(28 [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./273/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6969] close(21 [pid 3482] <... unlink resumed>) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] close(22 [pid 3485] <... unlink resumed>) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] close(29 [pid 3487] getdents64(3, [pid 3483] lstat("./267/cgroup.net", [pid 3482] umount2("./260/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6969] close(23 [pid 6967] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6969] close(24 [pid 6967] exit_group(0 [pid 3487] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6970] <... futex resumed>) = ? [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6967] <... exit_group resumed>) = ? [pid 3487] <... close resumed>) = 0 [pid 3485] lstat("./273/cgroup", [pid 3483] unlink("./267/cgroup.net" [pid 3482] lstat("./260/cgroup.cpu", [pid 3487] rmdir("./280" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6970] +++ exited with 0 +++ [pid 6969] close(25 [pid 6967] +++ exited with 0 +++ [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] unlink("./273/cgroup" [pid 3483] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./260/cgroup.cpu" [pid 6969] close(26 [pid 3487] mkdir("./281", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6969] close(27 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] lstat("./267/cgroup.cpu", [pid 3482] getdents64(3, [pid 6969] close(28 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... restart_syscall resumed>) = 0 [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6969] close(29 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./273/cgroup.net", [pid 6969] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6969] exit_group(0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./267/cgroup.cpu" [pid 3482] close(3 [pid 6971] <... futex resumed>) = ? [pid 6969] <... exit_group resumed>) = ? [pid 3485] unlink("./273/cgroup.net" [pid 3484] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6972 attached [pid 6971] +++ exited with 0 +++ [pid 6969] +++ exited with 0 +++ [pid 3482] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 564 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] getdents64(3, [pid 3482] rmdir("./260" [pid 3484] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6972] set_robust_list(0x5555562645e0, 24 [pid 3486] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... rmdir resumed>) = 0 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3483] close(3 [pid 6972] <... set_robust_list resumed>) = 0 [pid 3486] fstat(3, [pid 3482] mkdir("./261", 0777 [pid 6972] chdir("./281" [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] lstat("./273/cgroup.cpu", [pid 3484] fstat(3, [pid 3483] <... close resumed>) = 0 [pid 6972] <... chdir resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 6972] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] unlink("./273/cgroup.cpu" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] rmdir("./267" [pid 6972] <... prctl resumed>) = 0 [pid 3486] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3486] lstat("./278/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 6972] setpgid(0, 0 [pid 3486] unlink("./278/binderfs" [pid 3485] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 6973 attached [pid 6972] <... setpgid resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3483] mkdir("./268", 0777 [pid 6973] set_robust_list(0x5555562645e0, 24 [pid 3486] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6973] <... set_robust_list resumed>) = 0 [pid 6972] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 524 [pid 6973] chdir("./261" [pid 3486] lstat("./278/cgroup", [pid 3485] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6973] <... chdir resumed>) = 0 [pid 6972] <... symlink resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6973] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] unlink("./278/cgroup" [pid 6973] <... prctl resumed>) = 0 [pid 6972] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] lstat("./271/binderfs", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6973] setpgid(0, 0 [pid 6972] <... symlink resumed>) = 0 [pid 3486] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] rmdir("./273" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 6974 attached [pid 6973] <... setpgid resumed>) = 0 [pid 6972] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6974] set_robust_list(0x5555562645e0, 24 [pid 6973] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3486] lstat("./278/cgroup.net", [pid 3485] <... rmdir resumed>) = 0 [pid 3484] unlink("./271/binderfs" [pid 6974] <... set_robust_list resumed>) = 0 [pid 6973] <... symlink resumed>) = 0 [pid 6972] <... symlink resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] mkdir("./274", 0777 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 538 [pid 6973] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3486] unlink("./278/cgroup.net" [pid 6974] chdir("./268" [pid 6973] <... symlink resumed>) = 0 [pid 6972] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6973] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3486] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6974] <... chdir resumed>) = 0 [pid 6973] <... symlink resumed>) = 0 [pid 6972] <... openat resumed>) = 3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 6975 attached [pid 6974] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6973] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6972] write(3, "1000", 4 [pid 3486] lstat("./278/cgroup.cpu", [pid 3484] lstat("./271/cgroup", [pid 6975] set_robust_list(0x5555562645e0, 24 [pid 6974] <... prctl resumed>) = 0 [pid 6973] <... openat resumed>) = 3 [pid 6972] <... write resumed>) = 4 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 550 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6975] <... set_robust_list resumed>) = 0 [pid 6974] setpgid(0, 0 [pid 6973] write(3, "1000", 4 [pid 6972] close(3 [pid 3486] unlink("./278/cgroup.cpu" [pid 3484] unlink("./271/cgroup" [pid 6975] chdir("./274" [pid 6974] <... setpgid resumed>) = 0 [pid 6973] <... write resumed>) = 4 [pid 6972] <... close resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6975] <... chdir resumed>) = 0 [pid 6974] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6973] close(3 [pid 6972] read(200, [pid 3486] getdents64(3, [pid 3484] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6975] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6974] <... symlink resumed>) = 0 [pid 6973] <... close resumed>) = 0 [pid 6972] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6975] <... prctl resumed>) = 0 [pid 6974] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6973] read(200, [pid 6972] symlink("/dev/binderfs", "./binderfs" [pid 3484] lstat("./271/cgroup.net", [pid 3486] close(3 [pid 6975] setpgid(0, 0 [pid 6974] <... symlink resumed>) = 0 [pid 6973] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... symlink resumed>) = 0 [pid 3486] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6975] <... setpgid resumed>) = 0 [pid 6974] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6973] symlink("/dev/binderfs", "./binderfs" [pid 6972] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] rmdir("./278" [pid 3484] unlink("./271/cgroup.net" [pid 6975] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6974] <... symlink resumed>) = 0 [pid 6973] <... symlink resumed>) = 0 [pid 6972] <... futex resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 6974] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6972] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3484] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6975] <... symlink resumed>) = 0 [pid 6974] <... openat resumed>) = 3 [pid 6972] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6974] write(3, "1000", 4 [pid 6972] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] lstat("./271/cgroup.cpu", [pid 6974] <... write resumed>) = 4 [pid 6972] <... mprotect resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6974] close(3 [pid 6972] 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] unlink("./271/cgroup.cpu"./strace-static-x86_64: Process 6976 attached [pid 6975] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6974] <... close resumed>) = 0 [pid 6973] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] mkdir("./279", 0777 [pid 3484] <... unlink resumed>) = 0 [pid 6976] set_robust_list(0x7fa7c8c309e0, 24 [pid 6975] <... symlink resumed>) = 0 [pid 6974] read(200, [pid 6973] <... futex resumed>) = 0 [pid 6972] <... clone resumed>, parent_tid=[565], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 565 [pid 3484] getdents64(3, [pid 6976] <... set_robust_list resumed>) = 0 [pid 6974] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6976] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6975] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6974] symlink("/dev/binderfs", "./binderfs" [pid 6973] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6972] <... futex resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3484] close(3 [pid 6976] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... symlink resumed>) = 0 [pid 6973] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6972] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... close resumed>) = 0 [pid 6976] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... symlink resumed>) = 0 [pid 6974] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6972] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] rmdir("./271" [pid 6976] <... futex resumed>) = 0 [pid 6975] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6974] <... futex resumed>) = 0 [pid 6973] <... mprotect resumed>) = 0 [pid 6972] close(3 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... rmdir resumed>) = 0 [pid 6976] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6975] <... openat resumed>) = 3 [pid 6974] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6973] 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 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./272", 0777./strace-static-x86_64: Process 6978 attached ./strace-static-x86_64: Process 6977 attached [pid 6975] write(3, "1000", 4 [pid 6974] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6972] close(4 [pid 3484] <... mkdir resumed>) = 0 [pid 6978] set_robust_list(0x5555562645e0, 24 [pid 6977] set_robust_list(0x7fa7c8c309e0, 24 [pid 6975] <... write resumed>) = 4 [pid 6974] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6973] <... clone resumed>, parent_tid=[525], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 525 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 560 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6979 attached [pid 6978] <... set_robust_list resumed>) = 0 [pid 6977] <... set_robust_list resumed>) = 0 [pid 6975] close(3 [pid 6974] <... mprotect resumed>) = 0 [pid 6973] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6972] close(5 [pid 6979] set_robust_list(0x5555562645e0, 24 [pid 6978] chdir("./279" [pid 6977] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6975] <... close resumed>) = 0 [pid 6974] 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 6973] <... futex resumed>) = 0 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 546 ./strace-static-x86_64: Process 6980 attached [pid 6979] <... set_robust_list resumed>) = 0 [pid 6978] <... chdir resumed>) = 0 [pid 6977] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] read(200, [pid 6973] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6972] close(6 [pid 6980] set_robust_list(0x7fa7c8c309e0, 24 [pid 6979] chdir("./272" [pid 6978] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6977] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6975] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6974] <... clone resumed>, parent_tid=[539], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 539 [pid 6973] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6980] <... set_robust_list resumed>) = 0 [pid 6979] <... chdir resumed>) = 0 [pid 6978] <... prctl resumed>) = 0 [pid 6977] <... futex resumed>) = 0 [pid 6975] symlink("/dev/binderfs", "./binderfs" [pid 6974] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6973] close(3 [pid 6972] close(7 [pid 6980] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6977] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6974] <... futex resumed>) = 0 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6980] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6978] setpgid(0, 0 [pid 6975] <... symlink resumed>) = 0 [pid 6974] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6973] close(4 [pid 6972] close(8 [pid 6980] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] <... prctl resumed>) = 0 [pid 6978] <... setpgid resumed>) = 0 [pid 6975] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6980] <... futex resumed>) = 0 [pid 6979] setpgid(0, 0 [pid 6974] close(3 [pid 6973] close(5 [pid 6972] close(9 [pid 6980] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] <... setpgid resumed>) = 0 [pid 6978] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6975] <... futex resumed>) = 0 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6975] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6974] close(4 [pid 6972] close(10 [pid 6978] <... symlink resumed>) = 0 [pid 6975] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(6 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... symlink resumed>) = 0 [pid 6978] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6975] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6974] close(5 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(11 [pid 6979] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6978] <... symlink resumed>) = 0 [pid 6975] <... mprotect resumed>) = 0 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(7 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... symlink resumed>) = 0 [pid 6978] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6974] close(6 [pid 6972] close(12 [pid 6979] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6978] <... symlink resumed>) = 0 [pid 6975] 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 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6981 attached [pid 6979] <... symlink resumed>) = 0 [pid 6978] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6974] close(7 [pid 6972] close(13 [pid 6973] close(8 [pid 6981] set_robust_list(0x7fa7c8c309e0, 24 [pid 6979] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6978] <... openat resumed>) = 3 [pid 6975] <... clone resumed>, parent_tid=[551], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 551 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6981] <... set_robust_list resumed>) = 0 [pid 6979] <... openat resumed>) = 3 [pid 6978] write(3, "1000", 4 [pid 6975] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] close(8 [pid 6973] close(9 [pid 6972] close(14 [pid 6981] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6979] write(3, "1000", 4 [pid 6978] <... write resumed>) = 4 [pid 6975] <... futex resumed>) = 0 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6981] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... write resumed>) = 4 [pid 6978] close(3 [pid 6975] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6974] close(9 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(15 [pid 6981] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] close(3 [pid 6978] <... close resumed>) = 0 [pid 6975] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(10 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6981] <... futex resumed>) = 0 [pid 6979] <... close resumed>) = 0 [pid 6978] read(200, [pid 6975] close(3 [pid 6974] close(10 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(16 [pid 6981] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] read(200, [pid 6978] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(11 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] symlink("/dev/binderfs", "./binderfs" [pid 6975] close(4 [pid 6974] close(11 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(17 [pid 6979] symlink("/dev/binderfs", "./binderfs" [pid 6978] <... symlink resumed>) = 0 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(12 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] close(12 [pid 6972] close(18 [pid 6978] <... futex resumed>) = 0 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... symlink resumed>) = 0 [pid 6978] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6974] close(13 [pid 6972] close(19 [pid 6979] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6975] close(5 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... futex resumed>) = 0 [pid 6978] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(14 [pid 6973] close(13 [pid 6972] close(20 [pid 6979] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6978] <... mprotect resumed>) = 0 [pid 6975] close(6 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6978] 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 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(15 [pid 6973] close(14 [pid 6972] close(21./strace-static-x86_64: Process 6982 attached [pid 6979] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6975] close(7 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6982] set_robust_list(0x7fa7c8c309e0, 24 [pid 6978] <... clone resumed>, parent_tid=[561], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 561 [pid 6974] close(16 [pid 6972] close(22 [pid 6982] <... set_robust_list resumed>) = 0 [pid 6978] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6982] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6978] <... futex resumed>) = 0 [pid 6974] close(17 [pid 6972] close(23 [pid 6982] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] <... mprotect resumed>) = 0 [pid 6978] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(15 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6982] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6979] 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 6978] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6975] close(8 [pid 6974] close(18 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(24./strace-static-x86_64: Process 6983 attached [pid 6982] <... futex resumed>) = 0 [pid 6978] close(3 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(16 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6983] set_robust_list(0x7fa7c8c309e0, 24 [pid 6982] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] <... clone resumed>, parent_tid=[547], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 547 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] close(9 [pid 6974] close(19 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(25 [pid 6983] <... set_robust_list resumed>) = 0 [pid 6979] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] close(4 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(17 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6983] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(20 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(26 [pid 6983] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(5 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6983] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(21 [pid 6972] close(27 [pid 6983] <... futex resumed>) = 0 [pid 6979] <... futex resumed>) = 0 [pid 6978] close(6 [pid 6975] close(10 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(18 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6983] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6979] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(22 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(28 [pid 6979] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6978] close(7 [pid 6975] close(11 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(19 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] close(3 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(23 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] close(29 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(8 [pid 6975] close(12 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(20 [pid 6972] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] close(4 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(24 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] exit_group(0 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(9 [pid 6976] <... futex resumed>) = ? [pid 6975] close(13 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6972] <... exit_group resumed>) = ? [pid 6979] close(5 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6976] +++ exited with 0 +++ [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(25 [pid 6973] close(21 [pid 6972] +++ exited with 0 +++ [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(10 [pid 6975] close(14 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 6979] close(6 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(26 [pid 6973] close(22 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(11 [pid 6975] close(15 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6979] close(7 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(27 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(12 [pid 6975] close(16 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] close(8 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(28 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(13 [pid 6975] close(17 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(24 [pid 3487] <... openat resumed>) = 3 [pid 6979] close(9 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] close(29 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(14 [pid 6975] close(18 [pid 6974] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(25 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] exit_group(0 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 6980] <... futex resumed>) = ? [pid 6979] close(10 [pid 6978] close(15 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6974] <... exit_group resumed>) = ? [pid 6973] close(26 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6980] +++ exited with 0 +++ [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] close(19 [pid 6974] +++ exited with 0 +++ [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] close(11 [pid 6978] close(16 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] close(20 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./281/binderfs", [pid 6979] close(12 [pid 6978] close(17 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(28 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] close(21 [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./281/binderfs" [pid 6979] close(13 [pid 6978] close(18 [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6975] close(22 [pid 3483] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] close(14 [pid 6978] close(19 [pid 6973] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6977] <... futex resumed>) = ? [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6973] <... exit_group resumed>) = ? [pid 3487] lstat("./281/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] close(15 [pid 6978] close(20 [pid 6977] +++ exited with 0 +++ [pid 6975] close(23 [pid 6973] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./281/cgroup" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=524, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6979] close(16 [pid 6978] close(21 [pid 6975] close(24 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6979] close(17 [pid 6978] close(22 [pid 6975] close(25 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... restart_syscall resumed>) = 0 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./281/cgroup.net", [pid 3483] getdents64(3, [pid 6979] close(18 [pid 6978] close(23 [pid 6975] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./281/cgroup.net" [pid 3483] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] close(19 [pid 6978] close(24 [pid 6975] close(27 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./268/binderfs", [pid 6979] close(20 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] unlink("./268/binderfs" [pid 3482] umount2("./261", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] close(21 [pid 6978] close(25 [pid 6975] close(28 [pid 3487] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] close(22 [pid 6978] close(26 [pid 6975] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./261", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6975] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./281/cgroup.cpu", [pid 3482] <... openat resumed>) = 3 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] close(27 [pid 6975] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./268/cgroup", [pid 3482] fstat(3, [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./281/cgroup.cpu" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6981] <... futex resumed>) = ? [pid 6979] close(23 [pid 6978] close(28 [pid 6975] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] getdents64(3, [pid 6981] +++ exited with 0 +++ [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./268/cgroup" [pid 6979] close(24 [pid 6978] close(29 [pid 6975] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] umount2("./261/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6978] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... unlink resumed>) = 0 [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6978] exit_group(0 [pid 3487] <... close resumed>) = 0 [pid 6979] close(25 [pid 3483] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./261/binderfs", [pid 6982] <... futex resumed>) = ? [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6978] <... exit_group resumed>) = ? [pid 3487] rmdir("./281" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6982] +++ exited with 0 +++ [pid 6979] close(26 [pid 3483] lstat("./268/cgroup.net", [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6979] close(27 [pid 3483] unlink("./268/cgroup.net" [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 6979] close(28 [pid 3487] <... rmdir resumed>) = 0 [pid 3483] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./261/binderfs" [pid 6979] close(29 [pid 3485] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6978] +++ exited with 0 +++ [pid 3483] lstat("./268/cgroup.cpu", [pid 6979] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6979] exit_group(0 [pid 3483] unlink("./268/cgroup.cpu" [pid 3482] <... unlink resumed>) = 0 [pid 6983] <... futex resumed>) = ? [pid 6979] <... exit_group resumed>) = ? [pid 3487] mkdir("./282", 0777 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./261/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6983] +++ exited with 0 +++ [pid 3487] <... mkdir resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6979] +++ exited with 0 +++ [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... openat resumed>) = 3 [pid 3483] getdents64(3, [pid 3482] lstat("./261/cgroup", ./strace-static-x86_64: Process 6984 attached [pid 3486] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6984] set_robust_list(0x5555562645e0, 24 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 566 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] close(3 [pid 3482] unlink("./261/cgroup" [pid 6984] <... set_robust_list resumed>) = 0 [pid 3486] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] getdents64(3, [pid 3483] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 6984] chdir("./282" [pid 3486] <... openat resumed>) = 3 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] rmdir("./268" [pid 3482] umount2("./261/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6984] <... chdir resumed>) = 0 [pid 3486] fstat(3, [pid 3485] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./261/cgroup.net", [pid 6984] <... prctl resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] lstat("./274/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6984] setpgid(0, 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] unlink("./261/cgroup.net" [pid 6984] <... setpgid resumed>) = 0 [pid 3486] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./274/binderfs" [pid 3484] <... openat resumed>) = 3 [pid 3483] mkdir("./269", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 6984] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 3482] umount2("./261/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6984] <... symlink resumed>) = 0 [pid 3486] lstat("./279/binderfs", [pid 3485] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6984] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3482] lstat("./261/cgroup.cpu", [pid 6984] <... symlink resumed>) = 0 [pid 3486] unlink("./279/binderfs" [pid 3485] lstat("./274/cgroup", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [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 6984] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./261/cgroup.cpu"./strace-static-x86_64: Process 6985 attached [pid 6984] <... symlink resumed>) = 0 [pid 3486] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./274/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 6985] set_robust_list(0x5555562645e0, 24 [pid 6984] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./272/binderfs", [pid 3482] getdents64(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 540 [pid 6985] <... set_robust_list resumed>) = 0 [pid 6984] <... openat resumed>) = 3 [pid 3486] lstat("./279/cgroup", [pid 3485] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6985] chdir("./269" [pid 6984] write(3, "1000", 4 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./272/binderfs" [pid 3482] close(3 [pid 6985] <... chdir resumed>) = 0 [pid 6984] <... write resumed>) = 4 [pid 3486] unlink("./279/cgroup" [pid 3485] lstat("./274/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 6985] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6984] close(3 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./261" [pid 6985] <... prctl resumed>) = 0 [pid 6984] <... close resumed>) = 0 [pid 3486] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./274/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6985] setpgid(0, 0 [pid 6984] read(200, [pid 3482] <... rmdir resumed>) = 0 [pid 6985] <... setpgid resumed>) = 0 [pid 6985] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./272/cgroup", [pid 6985] <... symlink resumed>) = 0 [pid 6984] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] mkdir("./262", 0777 [pid 6985] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6984] symlink("/dev/binderfs", "./binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6985] <... symlink resumed>) = 0 [pid 6984] <... symlink resumed>) = 0 [pid 3486] lstat("./279/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./272/cgroup" [pid 3482] <... mkdir resumed>) = 0 [pid 6985] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6984] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./274/cgroup.cpu", [pid 3484] <... unlink resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6985] <... symlink resumed>) = 0 [pid 6984] <... futex resumed>) = 0 [pid 3486] unlink("./279/cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6986 attached [pid 6985] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6984] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./274/cgroup.cpu" [pid 6985] <... openat resumed>) = 3 [pid 6985] write(3, "1000", 4 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6985] <... write resumed>) = 4 [pid 6984] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6985] close(3) = 0 [pid 6985] read(200, 0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6984] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./272/cgroup.net", [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 526 [pid 6985] symlink("/dev/binderfs", "./binderfs" [pid 6984] <... mprotect resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6986] set_robust_list(0x5555562645e0, 24 [pid 6985] <... symlink resumed>) = 0 [pid 6984] 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] lstat("./279/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./272/cgroup.net" [pid 6986] <... set_robust_list resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 6987 attached [pid 6986] chdir("./262" [pid 6985] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6984] <... clone resumed>, parent_tid=[567], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 567 [pid 3486] unlink("./279/cgroup.cpu" [pid 3485] <... close resumed>) = 0 [pid 3484] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6987] set_robust_list(0x7fa7c8c309e0, 24 [pid 6986] <... chdir resumed>) = 0 [pid 6985] <... futex resumed>) = 0 [pid 6984] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... unlink resumed>) = 0 [pid 3485] rmdir("./274" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6987] <... set_robust_list resumed>) = 0 [pid 6986] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6985] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6984] <... futex resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... rmdir resumed>) = 0 [pid 6987] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6986] <... prctl resumed>) = 0 [pid 6985] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6984] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./272/cgroup.cpu", [pid 3485] mkdir("./275", 0777 [pid 6987] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6987] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] setpgid(0, 0 [pid 6985] <... mprotect resumed>) = 0 [pid 3486] close(3 [pid 6987] <... futex resumed>) = 1 [pid 6986] <... setpgid resumed>) = 0 [pid 6985] 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 6984] <... futex resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] unlink("./272/cgroup.cpu"./strace-static-x86_64: Process 6988 attached [pid 6987] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6986] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6984] close(3 [pid 3486] <... close resumed>) = 0 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6988] set_robust_list(0x7fa7c8c309e0, 24 [pid 6985] <... clone resumed>, parent_tid=[541], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 541 [pid 6988] <... set_robust_list resumed>) = 0 [pid 6985] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... unlink resumed>) = 0 [pid 6988] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6985] <... futex resumed>) = 0 [pid 6988] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... symlink resumed>) = 0 [pid 6985] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./279" [pid 3484] getdents64(3, ./strace-static-x86_64: Process 6989 attached [pid 6988] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6985] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6984] close(4 [pid 3486] <... rmdir resumed>) = 0 [pid 6989] set_robust_list(0x5555562645e0, 24 [pid 6988] <... futex resumed>) = 0 [pid 6986] <... symlink resumed>) = 0 [pid 6985] close(3 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./280", 0777 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 552 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6989] <... set_robust_list resumed>) = 0 [pid 6988] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6986] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(5 [pid 6989] chdir("./275" [pid 6985] close(4 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... chdir resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(6 [pid 3486] <... mkdir resumed>) = 0 [pid 3484] close(3 [pid 6989] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6986] <... symlink resumed>) = 0 [pid 6985] close(5 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... prctl resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(7 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... close resumed>) = 0 [pid 6989] setpgid(0, 0 [pid 6985] close(6 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... setpgid resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(8 [pid 3484] rmdir("./272"./strace-static-x86_64: Process 6990 attached [pid 6989] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6986] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6985] close(7 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] set_robust_list(0x5555562645e0, 24 [pid 6989] <... symlink resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(9 [pid 3484] <... rmdir resumed>) = 0 [pid 6990] <... set_robust_list resumed>) = 0 [pid 6989] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6986] <... openat resumed>) = 3 [pid 6985] close(8 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 562 [pid 3484] mkdir("./273", 0777 [pid 6990] chdir("./280" [pid 6989] <... symlink resumed>) = 0 [pid 6986] write(3, "1000", 4 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(10 [pid 6990] <... chdir resumed>) = 0 [pid 6989] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6985] close(9 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6989] <... symlink resumed>) = 0 [pid 6986] <... write resumed>) = 4 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(11 [pid 3484] <... mkdir resumed>) = 0 [pid 6990] <... prctl resumed>) = 0 [pid 6989] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6986] close(3 [pid 6985] close(10 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 6990] setpgid(0, 0 [pid 6989] <... openat resumed>) = 3 [pid 6986] <... close resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(12 [pid 6990] <... setpgid resumed>) = 0 [pid 6989] write(3, "1000", 4 [pid 6985] close(11 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6989] <... write resumed>) = 4 [pid 6986] read(200, [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(13./strace-static-x86_64: Process 6991 attached [pid 6990] <... symlink resumed>) = 0 [pid 6989] close(3 [pid 6986] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6985] close(12 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] set_robust_list(0x5555562645e0, 24 [pid 6990] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6989] <... close resumed>) = 0 [pid 6986] symlink("/dev/binderfs", "./binderfs" [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(14 [pid 6991] <... set_robust_list resumed>) = 0 [pid 6990] <... symlink resumed>) = 0 [pid 6989] read(200, [pid 6985] close(13 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 548 [pid 6991] chdir("./273" [pid 6990] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6989] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6986] <... symlink resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(15 [pid 6991] <... chdir resumed>) = 0 [pid 6990] <... symlink resumed>) = 0 [pid 6989] symlink("/dev/binderfs", "./binderfs" [pid 6986] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] close(14 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6990] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6989] <... symlink resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(16 [pid 6991] <... prctl resumed>) = 0 [pid 6990] <... openat resumed>) = 3 [pid 6989] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6986] <... futex resumed>) = 0 [pid 6985] close(15 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] setpgid(0, 0 [pid 6990] write(3, "1000", 4 [pid 6989] <... futex resumed>) = 0 [pid 6986] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(17 [pid 6991] <... setpgid resumed>) = 0 [pid 6990] <... write resumed>) = 4 [pid 6989] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6985] close(16 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 6990] close(3 [pid 6989] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6986] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(18 [pid 6991] <... symlink resumed>) = 0 [pid 6990] <... close resumed>) = 0 [pid 6989] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6986] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6985] close(17 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 6990] read(200, [pid 6989] <... mprotect resumed>) = 0 [pid 6986] <... mprotect resumed>) = 0 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(19 [pid 6990] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6989] 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 6985] close(18 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 6992 attached [pid 6990] symlink("/dev/binderfs", "./binderfs" [pid 6986] 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 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(20./strace-static-x86_64: Process 6993 attached [pid 6992] set_robust_list(0x7fa7c8c309e0, 24 [pid 6991] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 6990] <... symlink resumed>) = 0 [pid 6989] <... clone resumed>, parent_tid=[553], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 553 [pid 6985] close(19 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6993] set_robust_list(0x7fa7c8c309e0, 24 [pid 6992] <... set_robust_list resumed>) = 0 [pid 6990] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(21 [pid 6993] <... set_robust_list resumed>) = 0 [pid 6992] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6991] <... symlink resumed>) = 0 [pid 6990] <... futex resumed>) = 0 [pid 6989] <... futex resumed>) = 0 [pid 6986] <... clone resumed>, parent_tid=[527], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 527 [pid 6985] close(20 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6993] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6992] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6990] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6989] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6986] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(22 [pid 6993] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6992] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] <... openat resumed>) = 3 [pid 6990] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6989] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6986] <... futex resumed>) = 0 [pid 6985] close(21 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6993] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6992] <... futex resumed>) = 0 [pid 6991] write(3, "1000", 4 [pid 6990] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6989] close(3 [pid 6986] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(23 [pid 6993] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6992] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6991] <... write resumed>) = 4 [pid 6990] <... mprotect resumed>) = 0 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(22 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6993] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6991] close(3 [pid 6990] 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 6989] close(4 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(24./strace-static-x86_64: Process 6994 attached [pid 6993] <... futex resumed>) = 1 [pid 6991] <... close resumed>) = 0 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... futex resumed>) = 0 [pid 6985] close(23 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6994] set_robust_list(0x7fa7c8c309e0, 24 [pid 6993] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6991] read(200, [pid 6990] <... clone resumed>, parent_tid=[563], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 563 [pid 6989] close(5 [pid 6986] close(3 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(25 [pid 6994] <... set_robust_list resumed>) = 0 [pid 6991] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6990] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(24 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6994] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6991] symlink("/dev/binderfs", "./binderfs" [pid 6990] <... futex resumed>) = 0 [pid 6989] close(6 [pid 6986] close(4 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(26 [pid 6994] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(25 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] <... symlink resumed>) = 0 [pid 6994] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6989] close(7 [pid 6986] close(5 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(27 [pid 6994] <... futex resumed>) = 0 [pid 6991] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(26 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6994] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6989] close(8 [pid 6986] close(6 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(28 [pid 6991] <... futex resumed>) = 0 [pid 6990] close(3 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(27 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(9 [pid 6986] close(7 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] close(29 [pid 6991] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6990] close(4 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(28 [pid 6984] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(10 [pid 6986] close(8 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6984] exit_group(0 [pid 6991] <... mprotect resumed>) = 0 [pid 6990] close(5 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6987] <... futex resumed>) = ? [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] close(29 [pid 6984] <... exit_group resumed>) = ? [pid 6991] 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 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(11 [pid 6987] +++ exited with 0 +++ [pid 6986] close(9 [pid 6985] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 6995 attached [pid 6990] close(6 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] exit_group(0 [pid 6984] +++ exited with 0 +++ [pid 6995] set_robust_list(0x7fa7c8c309e0, 24 [pid 6991] <... clone resumed>, parent_tid=[549], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 549 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(12 [pid 6986] close(10 [pid 6995] <... set_robust_list resumed>) = 0 [pid 6991] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] close(7 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6988] <... futex resumed>) = ? [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6985] <... exit_group resumed>) = ? [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 6995] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6991] <... futex resumed>) = 0 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6988] +++ exited with 0 +++ [pid 6991] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6990] close(8 [pid 6989] close(13 [pid 6995] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] close(11 [pid 6985] +++ exited with 0 +++ [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6995] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6990] close(9 [pid 6989] close(14 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6995] <... futex resumed>) = 1 [pid 6991] <... futex resumed>) = 0 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] close(12 [pid 3487] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6995] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6991] close(3 [pid 6990] close(10 [pid 6989] close(15 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] close(13 [pid 6991] close(4 [pid 6990] close(11 [pid 6989] close(16 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(12) = -1 EBADF (Bad file descriptor) [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(13 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] close(14 [pid 3487] <... openat resumed>) = 3 [pid 6991] close(5 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(14 [pid 6989] close(17 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 6991] close(6 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(15 [pid 6989] close(18 [pid 6986] close(15 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6991] close(7 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3483] <... openat resumed>) = 3 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(16 [pid 6991] close(8 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(19 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] fstat(3, [pid 6986] close(16 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(17) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] close(9 [pid 6990] close(18 [pid 6989] close(20 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(19 [pid 6986] close(17 [pid 6991] close(10 [pid 3483] getdents64(3, [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] close(11 [pid 6990] close(20 [pid 6986] close(18 [pid 3487] lstat("./282/binderfs", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(21 [pid 6990] close(21 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6991] close(12 [pid 6990] close(22 [pid 6989] close(22 [pid 6986] close(19 [pid 3487] unlink("./282/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(23) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 6991] close(13 [pid 6990] close(24 [pid 6989] close(23 [pid 6986] close(20 [pid 3487] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./269/binderfs", [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6991] close(14 [pid 6990] close(25 [pid 6989] close(24 [pid 6986] close(21 [pid 3487] lstat("./282/cgroup", [pid 3483] unlink("./269/binderfs" [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6991] close(15 [pid 6990] close(26 [pid 6989] close(25 [pid 6986] close(22 [pid 3487] unlink("./282/cgroup" [pid 3483] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(27 [pid 6991] close(16 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] close(26 [pid 6986] close(23 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(28 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6991] close(17 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] close(24 [pid 6989] close(27 [pid 3483] lstat("./269/cgroup", [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] close(18 [pid 6990] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./282/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] exit_group(0 [pid 6989] close(28 [pid 6986] close(25 [pid 6994] <... futex resumed>) = ? [pid 6991] close(19 [pid 6990] <... exit_group resumed>) = ? [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./269/cgroup" [pid 6994] +++ exited with 0 +++ [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6990] +++ exited with 0 +++ [pid 6989] close(29 [pid 6986] close(26 [pid 3487] unlink("./282/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 6991] close(20 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 6989] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] exit_group(0 [pid 6986] close(27 [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6992] <... futex resumed>) = ? [pid 6991] close(21 [pid 6989] <... exit_group resumed>) = ? [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6992] +++ exited with 0 +++ [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6989] +++ exited with 0 +++ [pid 6986] close(28 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] close(22 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./282/cgroup.cpu", [pid 3486] <... openat resumed>) = 3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] lstat("./269/cgroup.net", [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] close(29 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] fstat(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6991] close(23 [pid 6986] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./282/cgroup.cpu" [pid 3483] unlink("./269/cgroup.net" [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 6993] <... futex resumed>) = ? [pid 6991] close(24 [pid 6986] <... exit_group resumed>) = ? [pid 3487] getdents64(3, [pid 3486] getdents64(3, [pid 3483] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6993] +++ exited with 0 +++ [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6986] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6991] close(25 [pid 3487] close(3 [pid 3485] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./269/cgroup.cpu", [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3486] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 6991] close(26 [pid 3485] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] unlink("./269/cgroup.cpu" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=526, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3487] rmdir("./282" [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3483] <... unlink resumed>) = 0 [pid 6991] close(27 [pid 3485] fstat(3, [pid 3483] getdents64(3, [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 6991] close(28 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3483] close(3 [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./280/binderfs", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... close resumed>) = 0 [pid 3482] <... restart_syscall resumed>) = 0 [pid 6991] close(29 [pid 3487] mkdir("./283", 0777 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] rmdir("./269" [pid 6991] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3486] unlink("./280/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... rmdir resumed>) = 0 [pid 6991] exit_group(0 [pid 3485] lstat("./275/binderfs", [pid 3483] mkdir("./270", 0777 [pid 6995] <... futex resumed>) = ? [pid 6991] <... exit_group resumed>) = ? [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 6995] +++ exited with 0 +++ [pid 6991] +++ exited with 0 +++ [pid 3485] unlink("./275/binderfs" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 6996 attached [pid 3486] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3482] umount2("./262", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 6997 attached [pid 6996] set_robust_list(0x5555562645e0, 24 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 568 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 6997] set_robust_list(0x5555562645e0, 24 [pid 6996] <... set_robust_list resumed>) = 0 [pid 3486] lstat("./280/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 542 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6997] <... set_robust_list resumed>) = 0 [pid 6996] chdir("./283" [pid 3485] lstat("./275/cgroup", [pid 6997] chdir("./270" [pid 6996] <... chdir resumed>) = 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=23, ...}) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./262", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 6997] <... chdir resumed>) = 0 [pid 6996] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] unlink("./280/cgroup" [pid 3485] unlink("./275/cgroup" [pid 6997] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6996] <... prctl resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 6997] <... prctl resumed>) = 0 [pid 6996] setpgid(0, 0 [pid 3485] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6996] <... setpgid resumed>) = 0 [pid 3486] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6997] setpgid(0, 0 [pid 3482] fstat(3, [pid 6997] <... setpgid resumed>) = 0 [pid 6996] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./275/cgroup.net", [pid 3484] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 6996] <... symlink resumed>) = 0 [pid 3486] lstat("./280/cgroup.net", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 6996] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] unlink("./275/cgroup.net" [pid 6997] <... symlink resumed>) = 0 [pid 6996] <... symlink resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] getdents64(3, [pid 6997] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 6996] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3486] unlink("./280/cgroup.net" [pid 3485] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 6997] <... symlink resumed>) = 0 [pid 6996] <... symlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 6996] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./275/cgroup.cpu", [pid 3482] umount2("./262/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 6996] <... openat resumed>) = 3 [pid 3486] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] fstat(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6996] write(3, "1000", 4 [pid 3485] unlink("./275/cgroup.cpu" [pid 6997] <... symlink resumed>) = 0 [pid 6996] <... write resumed>) = 4 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] lstat("./262/binderfs", [pid 6997] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6996] close(3 [pid 3486] lstat("./280/cgroup.cpu", [pid 3485] getdents64(3, [pid 3484] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 6997] <... openat resumed>) = 3 [pid 6996] <... close resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./262/binderfs" [pid 6997] write(3, "1000", 4 [pid 6996] read(200, [pid 3486] unlink("./280/cgroup.cpu" [pid 3485] close(3 [pid 3484] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6997] <... write resumed>) = 4 [pid 6996] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./262/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] close(3 [pid 6996] symlink("/dev/binderfs", "./binderfs" [pid 3486] getdents64(3, [pid 3485] rmdir("./275" [pid 3484] lstat("./273/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6997] <... close resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] lstat("./262/cgroup", [pid 6997] read(200, [pid 6996] <... symlink resumed>) = 0 [pid 3486] close(3 [pid 3484] unlink("./273/binderfs" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 6997] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6996] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... close resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./262/cgroup" [pid 6997] symlink("/dev/binderfs", "./binderfs" [pid 6996] <... futex resumed>) = 0 [pid 3486] rmdir("./280" [pid 3485] mkdir("./276", 0777 [pid 3484] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 6997] <... symlink resumed>) = 0 [pid 6996] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./262/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 6997] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] mkdir("./281", 0777 [pid 3484] lstat("./273/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 6997] <... futex resumed>) = 0 [pid 6996] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] lstat("./262/cgroup.net", [pid 6997] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6996] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] unlink("./273/cgroup" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 6998 attached ./strace-static-x86_64: Process 6999 attached [pid 6997] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6996] <... mprotect resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./262/cgroup.net" [pid 6999] set_robust_list(0x5555562645e0, 24 [pid 6998] set_robust_list(0x5555562645e0, 24 [pid 6997] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6996] 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] <... clone resumed>, child_tidptr=0x5555562645d0) = 564 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 554 [pid 3484] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7000 attached [pid 6999] <... set_robust_list resumed>) = 0 [pid 6998] <... set_robust_list resumed>) = 0 [pid 6997] <... mprotect resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./262/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7000] set_robust_list(0x7fa7c8c309e0, 24 [pid 6999] chdir("./276" [pid 6998] chdir("./281" [pid 6997] 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 6996] <... clone resumed>, parent_tid=[569], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 569 [pid 3484] lstat("./273/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7001 attached [pid 7000] <... set_robust_list resumed>) = 0 [pid 6999] <... chdir resumed>) = 0 [pid 6998] <... chdir resumed>) = 0 [pid 6996] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./262/cgroup.cpu", [pid 7001] set_robust_list(0x7fa7c8c309e0, 24 [pid 7000] ioctl(-1, LOOP_CTL_ADD, 0 [pid 6999] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6998] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6997] <... clone resumed>, parent_tid=[543], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 543 [pid 6996] <... futex resumed>) = 0 [pid 3484] unlink("./273/cgroup.net" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7001] <... set_robust_list resumed>) = 0 [pid 7000] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... prctl resumed>) = 0 [pid 6998] <... prctl resumed>) = 0 [pid 6997] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./262/cgroup.cpu" [pid 7001] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7000] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] setpgid(0, 0 [pid 6998] setpgid(0, 0 [pid 6997] <... futex resumed>) = 0 [pid 6996] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7001] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7000] <... futex resumed>) = 0 [pid 6999] <... setpgid resumed>) = 0 [pid 6998] <... setpgid resumed>) = 0 [pid 6997] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6996] close(3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 7001] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7000] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6999] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 6998] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 6997] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./273/cgroup.cpu", [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7001] <... futex resumed>) = 0 [pid 6999] <... symlink resumed>) = 0 [pid 6998] <... symlink resumed>) = 0 [pid 6997] close(3 [pid 6996] close(4 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] close(3 [pid 7001] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 6999] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 6998] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./273/cgroup.cpu" [pid 3482] <... close resumed>) = 0 [pid 6999] <... symlink resumed>) = 0 [pid 6998] <... symlink resumed>) = 0 [pid 6997] close(4 [pid 6996] close(5 [pid 3484] <... unlink resumed>) = 0 [pid 3482] rmdir("./262" [pid 6999] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 6998] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] getdents64(3, [pid 3482] <... rmdir resumed>) = 0 [pid 6999] <... symlink resumed>) = 0 [pid 6997] close(5 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] mkdir("./263", 0777 [pid 6999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6998] <... symlink resumed>) = 0 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(6 [pid 3484] close(3 [pid 3482] <... mkdir resumed>) = 0 [pid 6999] <... openat resumed>) = 3 [pid 6998] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6997] close(6 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7002 attached [pid 6999] write(3, "1000", 4 [pid 6998] <... openat resumed>) = 3 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(7 [pid 3484] rmdir("./273" [pid 7002] set_robust_list(0x5555562645e0, 24 [pid 6999] <... write resumed>) = 4 [pid 6998] write(3, "1000", 4 [pid 6997] close(7 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 528 [pid 7002] <... set_robust_list resumed>) = 0 [pid 6999] close(3 [pid 6998] <... write resumed>) = 4 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(8 [pid 3484] mkdir("./274", 0777 [pid 7002] chdir("./263" [pid 6999] <... close resumed>) = 0 [pid 6998] close(3 [pid 6997] close(8 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 7002] <... chdir resumed>) = 0 [pid 6999] read(200, [pid 6998] <... close resumed>) = 0 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(9 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7002] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6999] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6998] read(200, [pid 6997] close(9 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7003 attached [pid 7002] <... prctl resumed>) = 0 [pid 6999] symlink("/dev/binderfs", "./binderfs" [pid 6998] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(10 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 550 [pid 7003] set_robust_list(0x5555562645e0, 24 [pid 7002] setpgid(0, 0 [pid 6999] <... symlink resumed>) = 0 [pid 6998] symlink("/dev/binderfs", "./binderfs" [pid 6997] close(10 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... set_robust_list resumed>) = 0 [pid 7002] <... setpgid resumed>) = 0 [pid 6999] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] chdir("./274" [pid 7002] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 6999] <... futex resumed>) = 0 [pid 6998] <... symlink resumed>) = 0 [pid 6997] close(11 [pid 6996] close(11 [pid 7003] <... chdir resumed>) = 0 [pid 6998] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 6998] <... futex resumed>) = 0 [pid 6996] close(12 [pid 7003] <... prctl resumed>) = 0 [pid 6998] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] setpgid(0, 0 [pid 7002] <... symlink resumed>) = 0 [pid 6999] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6998] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(13 [pid 7003] <... setpgid resumed>) = 0 [pid 7002] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 6999] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6998] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6997] close(12 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7002] <... symlink resumed>) = 0 [pid 6999] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 6999] <... mprotect resumed>) = 0 [pid 6998] <... mprotect resumed>) = 0 [pid 6997] close(13 [pid 7002] <... symlink resumed>) = 0 [pid 6999] 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 6998] 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 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(14./strace-static-x86_64: Process 7004 attached ./strace-static-x86_64: Process 7005 attached [pid 7003] <... symlink resumed>) = 0 [pid 7002] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 6997] close(14 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7005] set_robust_list(0x7fa7c8c309e0, 24 [pid 7004] set_robust_list(0x7fa7c8c309e0, 24 [pid 7003] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7002] <... openat resumed>) = 3 [pid 6999] <... clone resumed>, parent_tid=[555], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 555 [pid 6998] <... clone resumed>, parent_tid=[565], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 565 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(15 [pid 7005] <... set_robust_list resumed>) = 0 [pid 7004] <... set_robust_list resumed>) = 0 [pid 7003] <... symlink resumed>) = 0 [pid 7002] write(3, "1000", 4 [pid 6999] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6998] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] close(15 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7005] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7004] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7003] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7002] <... write resumed>) = 4 [pid 6999] <... futex resumed>) = 0 [pid 6998] <... futex resumed>) = 0 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(16 [pid 7005] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7004] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... symlink resumed>) = 0 [pid 7002] close(3 [pid 6999] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] close(16 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7005] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7004] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] <... close resumed>) = 0 [pid 6999] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6998] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(17 [pid 7004] <... futex resumed>) = 0 [pid 7002] read(200, [pid 6999] close(3 [pid 6997] close(17 [pid 7005] <... futex resumed>) = 0 [pid 7004] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7002] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7005] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] <... openat resumed>) = 3 [pid 7002] symlink("/dev/binderfs", "./binderfs" [pid 6999] close(4 [pid 6998] close(3 [pid 6997] close(18 [pid 6996] close(18 [pid 7003] write(3, "1000", 4 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... write resumed>) = 4 [pid 7002] <... symlink resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(4 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(19 [pid 7003] close(3 [pid 7002] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 6999] close(5 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] close(19 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... close resumed>) = 0 [pid 7002] <... futex resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(5 [pid 6996] close(20 [pid 7003] read(200, [pid 7002] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6999] close(6 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(6 [pid 6997] close(20 [pid 6996] close(21 [pid 7003] symlink("/dev/binderfs", "./binderfs" [pid 7002] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 6999] close(7 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... symlink resumed>) = 0 [pid 7002] <... mprotect resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(7 [pid 6997] close(21 [pid 6996] close(22 [pid 7003] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] 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 6999] close(8 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7006 attached [pid 7003] <... futex resumed>) = 0 [pid 6998] close(8 [pid 6996] close(23 [pid 7006] set_robust_list(0x7fa7c8c309e0, 24 [pid 7003] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] close(22 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... clone resumed>, parent_tid=[529], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 529 [pid 7006] <... set_robust_list resumed>) = 0 [pid 7003] <... mmap resumed>) = 0x7fa7c8c10000 [pid 6999] close(9 [pid 6998] close(9 [pid 7002] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(24 [pid 7006] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7003] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7002] <... futex resumed>) = 0 [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] close(23 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7006] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... mprotect resumed>) = 0 [pid 7002] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 6999] close(10 [pid 6998] close(10 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(25 [pid 7006] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] 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 7002] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] close(24 [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7007 attached [pid 7006] <... futex resumed>) = 0 [pid 7002] close(3 [pid 6999] close(11 [pid 6998] close(11 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] close(26 [pid 7007] set_robust_list(0x7fa7c8c309e0, 24 [pid 7006] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] <... clone resumed>, parent_tid=[551], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 551 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] close(25 [pid 7007] <... set_robust_list resumed>) = 0 [pid 7003] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7002] close(4 [pid 6999] close(12 [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7007] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7003] <... futex resumed>) = 0 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(12 [pid 6997] close(26 [pid 6996] close(27 [pid 7007] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7002] close(5 [pid 6999] close(13 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7007] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7003] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(13 [pid 6997] close(27 [pid 6996] close(28 [pid 7007] <... futex resumed>) = 0 [pid 7003] close(3 [pid 7002] close(6 [pid 6999] close(14 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7007] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(14 [pid 6997] close(28 [pid 6996] close(29 [pid 7003] close(4 [pid 7002] close(7 [pid 6999] close(15 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(15 [pid 6997] close(29 [pid 6996] exit_group(0 [pid 7003] close(5 [pid 7002] close(8 [pid 7000] <... futex resumed>) = ? [pid 6999] close(16 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6996] <... exit_group resumed>) = ? [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7000] +++ exited with 0 +++ [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(16 [pid 6997] exit_group(0 [pid 7003] close(6 [pid 7002] close(9 [pid 7001] <... futex resumed>) = ? [pid 6999] close(17 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6997] <... exit_group resumed>) = ? [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7001] +++ exited with 0 +++ [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(17 [pid 6997] +++ exited with 0 +++ [pid 6996] +++ exited with 0 +++ [pid 7003] close(7 [pid 7002] close(10 [pid 6999] close(18 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 6998] close(18 [pid 7003] close(8 [pid 7002] close(11 [pid 6999] close(19 [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... restart_syscall resumed>) = 0 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... restart_syscall resumed>) = 0 [pid 7003] close(9 [pid 7002] close(12 [pid 6999] close(20 [pid 6998] close(19 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7003] close(10 [pid 7002] close(13 [pid 6999] close(21 [pid 6998] close(20 [pid 3487] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7003] close(11 [pid 7002] close(14 [pid 6999] close(22 [pid 6998] close(21 [pid 3487] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... openat resumed>) = 3 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3483] fstat(3, [pid 7002] close(15 [pid 6999] close(23 [pid 3487] fstat(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] getdents64(3, [pid 7002] close(16 [pid 6999] close(24 [pid 3487] getdents64(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7003] close(12 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(22 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(17 [pid 6999] close(25 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7003] close(13 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./270/binderfs", [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(18 [pid 6999] close(26 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./283/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7003] close(14 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./270/binderfs" [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(19 [pid 6999] close(27 [pid 6998] close(24 [pid 3487] unlink("./283/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 7003] close(15 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(20 [pid 6999] close(28 [pid 6998] close(25 [pid 3487] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./270/cgroup", [pid 7002] close(21 [pid 6999] close(29 [pid 3487] lstat("./283/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7003] close(16 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./270/cgroup" [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(22 [pid 6999] exit_group(0 [pid 6998] close(26 [pid 3487] unlink("./283/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 7004] <... futex resumed>) = ? [pid 7003] close(17 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6999] <... exit_group resumed>) = ? [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7004] +++ exited with 0 +++ [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(23 [pid 6999] +++ exited with 0 +++ [pid 6998] close(27 [pid 3487] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7003] close(18 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] lstat("./270/cgroup.net", [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(24 [pid 6998] close(28 [pid 3487] lstat("./283/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7003] close(19 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./270/cgroup.net" [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(25 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./283/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 7003] close(20 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 3483] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(26 [pid 6998] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7003] close(21 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./270/cgroup.cpu", [pid 7005] <... futex resumed>) = ? [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] close(27 [pid 6998] <... exit_group resumed>) = ? [pid 3487] lstat("./283/cgroup.cpu", [pid 7005] +++ exited with 0 +++ [pid 7003] close(22 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] unlink("./270/cgroup.cpu" [pid 7003] close(23 [pid 7002] close(28 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] close(24 [pid 7002] close(29 [pid 3487] unlink("./283/cgroup.cpu" [pid 3485] <... openat resumed>) = 3 [pid 3483] getdents64(3, [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 6998] +++ exited with 0 +++ [pid 7003] close(25 [pid 7002] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7006] <... futex resumed>) = ? [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] <... exit_group resumed>) = ? [pid 3487] getdents64(3, [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7006] +++ exited with 0 +++ [pid 7003] close(26 [pid 3483] close(3 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] close(27 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3483] <... close resumed>) = 0 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7002] +++ exited with 0 +++ [pid 3487] close(3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7003] close(28 [pid 3487] <... close resumed>) = 0 [pid 3486] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] rmdir("./270" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=528, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./283" [pid 3486] <... openat resumed>) = 3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7003] close(29 [pid 3483] <... rmdir resumed>) = 0 [pid 7003] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7003] exit_group(0 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] fstat(3, [pid 7003] <... exit_group resumed>) = ? [pid 3485] lstat("./276/binderfs", [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7007] <... futex resumed>) = ? [pid 3487] mkdir("./284", 0777 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] mkdir("./271", 0777 [pid 7007] +++ exited with 0 +++ [pid 7003] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] unlink("./276/binderfs" [pid 3483] <... mkdir resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3486] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3484] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] lstat("./281/binderfs", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY) = 3 ./strace-static-x86_64: Process 7008 attached [pid 3484] fstat(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./263", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7008] set_robust_list(0x5555562645e0, 24 [pid 3485] lstat("./276/cgroup", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7009 attached [pid 7008] <... set_robust_list resumed>) = 0 [pid 3486] unlink("./281/binderfs" [pid 3484] getdents64(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 544 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7009] set_robust_list(0x5555562645e0, 24 [pid 7008] chdir("./271" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7008] <... chdir resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./276/cgroup" [pid 3484] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./263", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7009] <... set_robust_list resumed>) = 0 [pid 7008] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 570 [pid 3486] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7008] <... prctl resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./274/binderfs", [pid 3482] <... openat resumed>) = 3 [pid 7009] chdir("./284" [pid 7008] setpgid(0, 0 [pid 3486] lstat("./281/cgroup", [pid 3485] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7009] <... chdir resumed>) = 0 [pid 7008] <... setpgid resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./274/binderfs" [pid 3482] fstat(3, [pid 7009] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7008] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3486] unlink("./281/cgroup" [pid 3485] lstat("./276/cgroup.net", [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7009] <... prctl resumed>) = 0 [pid 7008] <... symlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 7009] setpgid(0, 0 [pid 7008] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 3485] unlink("./276/cgroup.net" [pid 3484] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] <... setpgid resumed>) = 0 [pid 7008] <... symlink resumed>) = 0 [pid 3486] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7008] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3484] lstat("./274/cgroup", [pid 7009] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7008] <... symlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./263/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7008] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] unlink("./274/cgroup" [pid 7009] <... symlink resumed>) = 0 [pid 7008] <... openat resumed>) = 3 [pid 3486] lstat("./281/cgroup.net", [pid 3485] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7008] write(3, "1000", 4 [pid 3484] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7008] <... write resumed>) = 4 [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 3482] lstat("./263/binderfs", [pid 7008] close(3 [pid 3486] unlink("./281/cgroup.net" [pid 3484] lstat("./274/cgroup.net", [pid 7009] <... symlink resumed>) = 0 [pid 7008] <... close resumed>) = 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 7008] read(200, [pid 3484] unlink("./274/cgroup.net" [pid 7009] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7008] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./276/cgroup.cpu", [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./263/binderfs" [pid 7008] symlink("/dev/binderfs", "./binderfs" [pid 3484] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] <... symlink resumed>) = 0 [pid 7008] <... symlink resumed>) = 0 [pid 3486] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7008] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./274/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 7009] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7008] <... futex resumed>) = 0 [pid 3486] lstat("./281/cgroup.cpu", [pid 3485] unlink("./276/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7009] <... openat resumed>) = 3 [pid 7008] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./274/cgroup.cpu" [pid 3482] umount2("./263/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7009] write(3, "1000", 4 [pid 7008] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] unlink("./281/cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7009] <... write resumed>) = 4 [pid 7008] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] <... unlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./263/cgroup", [pid 7009] close(3 [pid 7008] <... mprotect resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] getdents64(3, [pid 7009] <... close resumed>) = 0 [pid 7008] 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] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] close(3 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7010 attached [pid 7009] read(200, [pid 3484] close(3 [pid 7010] set_robust_list(0x7fa7c8c309e0, 24 [pid 7009] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] <... clone resumed>, parent_tid=[545], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 545 [pid 3486] close(3 [pid 3485] <... close resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3482] unlink("./263/cgroup" [pid 7010] <... set_robust_list resumed>) = 0 [pid 7009] symlink("/dev/binderfs", "./binderfs" [pid 7008] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... close resumed>) = 0 [pid 3485] rmdir("./276" [pid 3484] rmdir("./274" [pid 7010] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7009] <... symlink resumed>) = 0 [pid 7008] <... futex resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7010] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] mkdir("./275", 0777 [pid 7010] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] rmdir("./281" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] umount2("./263/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7010] <... futex resumed>) = 0 [pid 7009] <... futex resumed>) = 0 [pid 7008] close(3 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7011 attached [pid 7010] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] mkdir("./277", 0777 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7011] set_robust_list(0x5555562645e0, 24 [pid 7008] close(4 [pid 7011] <... set_robust_list resumed>) = 0 [pid 7009] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 552 [pid 3482] lstat("./263/cgroup.net", [pid 7011] chdir("./275" [pid 7008] close(5 [pid 7011] <... chdir resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7008] close(6 [pid 3485] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7011] <... prctl resumed>) = 0 [pid 7009] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./282", 0777 [pid 7011] setpgid(0, 0 [pid 7008] close(7 [pid 7011] <... setpgid resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7008] close(8 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7011] <... symlink resumed>) = 0 [pid 7009] <... mprotect resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7008] close(9 [pid 3486] <... mkdir resumed>) = 0 [pid 7011] <... symlink resumed>) = 0 [pid 7009] 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 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./263/cgroup.net" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7012 attached [pid 7011] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7008] close(10 [pid 7012] set_robust_list(0x7fa7c8c309e0, 24 [pid 7011] <... symlink resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7013 attached [pid 7012] <... set_robust_list resumed>) = 0 [pid 7011] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7009] <... clone resumed>, parent_tid=[571], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 571 [pid 7008] close(11./strace-static-x86_64: Process 7014 attached [pid 7013] set_robust_list(0x5555562645e0, 24 [pid 7012] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] <... openat resumed>) = 3 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./263/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7013] <... set_robust_list resumed>) = 0 [pid 7012] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7011] write(3, "1000", 4 [pid 7009] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] close(12 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 566 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 556 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7014] set_robust_list(0x5555562645e0, 24 [pid 7013] chdir("./277" [pid 7012] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7011] <... write resumed>) = 4 [pid 7009] <... futex resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./263/cgroup.cpu", [pid 7014] <... set_robust_list resumed>) = 0 [pid 7013] <... chdir resumed>) = 0 [pid 7012] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(3 [pid 7009] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7008] close(13 [pid 7013] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7012] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] <... close resumed>) = 0 [pid 7009] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7014] chdir("./282" [pid 7013] <... prctl resumed>) = 0 [pid 7012] <... futex resumed>) = 0 [pid 7011] read(200, [pid 7008] close(14 [pid 7013] setpgid(0, 0 [pid 7012] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7011] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7009] close(3 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./263/cgroup.cpu" [pid 7014] <... chdir resumed>) = 0 [pid 7013] <... setpgid resumed>) = 0 [pid 7011] symlink("/dev/binderfs", "./binderfs" [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] close(15 [pid 7014] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7013] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7011] <... symlink resumed>) = 0 [pid 7009] close(4 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7014] <... prctl resumed>) = 0 [pid 7013] <... symlink resumed>) = 0 [pid 7011] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] close(16 [pid 7014] setpgid(0, 0 [pid 7013] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7011] <... futex resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7014] <... setpgid resumed>) = 0 [pid 7013] <... symlink resumed>) = 0 [pid 7011] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7009] close(5 [pid 7008] close(17 [pid 7013] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7011] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7014] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7013] <... symlink resumed>) = 0 [pid 7011] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7008] close(18 [pid 7014] <... symlink resumed>) = 0 [pid 7013] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7011] <... mprotect resumed>) = 0 [pid 7009] close(6 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 7014] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7013] <... openat resumed>) = 3 [pid 7011] 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 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] close(19 [pid 7013] write(3, "1000", 4 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 ./strace-static-x86_64: Process 7015 attached [pid 7014] <... symlink resumed>) = 0 [pid 7013] <... write resumed>) = 4 [pid 7011] <... clone resumed>, parent_tid=[553], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 553 [pid 7008] close(20 [pid 7013] close(3 [pid 7011] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = 0 [pid 7011] <... futex resumed>) = 0 [pid 7008] close(21 [pid 7015] set_robust_list(0x7fa7c8c309e0, 24 [pid 7013] read(200, [pid 7011] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7009] close(7 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./263" [pid 7015] <... set_robust_list resumed>) = 0 [pid 7014] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7013] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7008] close(22 [pid 7013] symlink("/dev/binderfs", "./binderfs" [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7015] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7013] <... symlink resumed>) = 0 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] close(23 [pid 3482] <... rmdir resumed>) = 0 [pid 7015] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... symlink resumed>) = 0 [pid 7013] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./264", 0777 [pid 7015] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7013] <... futex resumed>) = 0 [pid 7009] close(8 [pid 7008] close(24 [pid 7013] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7008] close(25 [pid 7015] <... futex resumed>) = 1 [pid 7013] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7011] <... futex resumed>) = 0 [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 7015] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7014] <... openat resumed>) = 3 [pid 7013] <... mprotect resumed>) = 0 [pid 7011] close(3 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] close(26 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7014] write(3, "1000", 4 [pid 7013] 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 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7017 attached ./strace-static-x86_64: Process 7016 attached [pid 7014] <... write resumed>) = 4 [pid 7011] close(4 [pid 7009] close(9 [pid 7008] close(27 [pid 7017] set_robust_list(0x5555562645e0, 24 [pid 7016] set_robust_list(0x7fa7c8c309e0, 24 [pid 7014] close(3 [pid 7013] <... clone resumed>, parent_tid=[557], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 557 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] <... set_robust_list resumed>) = 0 [pid 7016] <... set_robust_list resumed>) = 0 [pid 7014] <... close resumed>) = 0 [pid 7013] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7011] close(5 [pid 7008] close(28 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 530 [pid 7016] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7013] <... futex resumed>) = 0 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7016] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] read(200, [pid 7013] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7011] close(6 [pid 7009] close(10 [pid 7008] close(29 [pid 7017] chdir("./264" [pid 7016] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7013] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] <... chdir resumed>) = 0 [pid 7016] <... futex resumed>) = 0 [pid 7014] symlink("/dev/binderfs", "./binderfs" [pid 7013] close(3 [pid 7011] close(7 [pid 7009] close(11 [pid 7008] exit_group(0 [pid 7017] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7016] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7008] <... exit_group resumed>) = ? [pid 7017] <... prctl resumed>) = 0 [pid 7014] <... symlink resumed>) = 0 [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7010] <... futex resumed>) = ? [pid 7009] close(12 [pid 7017] setpgid(0, 0 [pid 7013] close(4 [pid 7011] close(8 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] <... setpgid resumed>) = 0 [pid 7014] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(13 [pid 7010] +++ exited with 0 +++ [pid 7008] +++ exited with 0 +++ [pid 7017] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7014] <... futex resumed>) = 0 [pid 7013] close(5 [pid 7011] close(9 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] <... symlink resumed>) = 0 [pid 7014] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(14 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7017] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7014] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7013] close(6 [pid 7011] close(10 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 7017] <... symlink resumed>) = 0 [pid 7014] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(15 [pid 3483] <... restart_syscall resumed>) = 0 [pid 7017] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7014] <... mprotect resumed>) = 0 [pid 7013] close(7 [pid 7011] close(11 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] <... symlink resumed>) = 0 [pid 7014] 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 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(16./strace-static-x86_64: Process 7018 attached [pid 7017] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7013] close(8 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7018] set_robust_list(0x7fa7c8c309e0, 24 [pid 7017] <... openat resumed>) = 3 [pid 7009] close(17 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7018] <... set_robust_list resumed>) = 0 [pid 7017] write(3, "1000", 4 [pid 7014] <... clone resumed>, parent_tid=[567], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 567 [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(12 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7018] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] <... write resumed>) = 4 [pid 7014] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7013] close(9 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(18 [pid 3483] <... openat resumed>) = 3 [pid 7018] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] close(3 [pid 7014] <... futex resumed>) = 0 [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(13 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] fstat(3, [pid 7018] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7017] <... close resumed>) = 0 [pid 7014] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7013] close(10 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(19 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7018] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] read(200, [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(14 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7018] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7009] close(20 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7018] <... futex resumed>) = 1 [pid 7017] symlink("/dev/binderfs", "./binderfs" [pid 7014] <... futex resumed>) = 0 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7018] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] <... symlink resumed>) = 0 [pid 7014] close(3 [pid 7013] close(11 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(21 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7017] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(15 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./271/binderfs", [pid 7017] <... futex resumed>) = 0 [pid 7014] close(4 [pid 7013] close(12 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(22 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7017] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(16 [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./271/binderfs" [pid 7017] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7014] close(5 [pid 7013] close(13 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(23 [pid 3483] <... unlink resumed>) = 0 [pid 7017] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] close(17 [pid 3483] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7017] <... mprotect resumed>) = 0 [pid 7014] close(6 [pid 7013] close(14 [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] close(24 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7017] 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 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./271/cgroup", [pid 7011] close(18./strace-static-x86_64: Process 7019 attached [pid 7014] close(7 [pid 7013] close(15 [pid 7009] close(25 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7019] set_robust_list(0x7fa7c8c309e0, 24 [pid 7017] <... clone resumed>, parent_tid=[531], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 531 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./271/cgroup" [pid 7019] <... set_robust_list resumed>) = 0 [pid 7017] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7014] close(8 [pid 7013] close(16 [pid 7011] close(19 [pid 7009] close(26 [pid 3483] <... unlink resumed>) = 0 [pid 7019] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7017] <... futex resumed>) = 0 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7019] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7014] close(9 [pid 7013] close(17 [pid 7011] close(20 [pid 7009] close(27 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7019] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./271/cgroup.net", [pid 7019] <... futex resumed>) = 0 [pid 7017] close(3 [pid 7014] close(10 [pid 7013] close(18 [pid 7011] close(21 [pid 7009] close(28 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7019] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./271/cgroup.net" [pid 7017] close(4 [pid 7014] close(11 [pid 7013] close(19 [pid 7011] close(22 [pid 7009] close(29 [pid 3483] <... unlink resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7017] close(5 [pid 7014] close(12 [pid 7013] close(20 [pid 7011] close(23 [pid 7009] exit_group(0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7012] <... futex resumed>) = ? [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7009] <... exit_group resumed>) = ? [pid 3483] lstat("./271/cgroup.cpu", [pid 7017] close(6 [pid 7014] close(13 [pid 7013] close(21 [pid 7012] +++ exited with 0 +++ [pid 7011] close(24 [pid 7009] +++ exited with 0 +++ [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3483] unlink("./271/cgroup.cpu" [pid 7017] close(7 [pid 7014] close(14 [pid 7013] close(22 [pid 7011] close(25 [pid 3483] <... unlink resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7017] close(8 [pid 7014] close(15 [pid 7013] close(23 [pid 3487] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7011] close(26 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 7017] close(9 [pid 7014] close(16 [pid 7013] close(24 [pid 7011] close(27 [pid 3487] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... close resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7017] close(10 [pid 7014] close(17 [pid 7013] close(25 [pid 7011] close(28 [pid 3487] <... openat resumed>) = 3 [pid 3483] rmdir("./271" [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 7017] close(11 [pid 7014] close(18 [pid 7013] close(26 [pid 7011] close(29 [pid 3483] <... rmdir resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7017] close(12 [pid 7014] close(19 [pid 7013] close(27 [pid 7011] exit_group(0 [pid 3487] getdents64(3, [pid 3483] mkdir("./272", 0777 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7015] <... futex resumed>) = ? [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7011] <... exit_group resumed>) = ? [pid 7017] close(13 [pid 7013] close(28 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7013] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7013] close(29) = -1 EBADF (Bad file descriptor) [pid 7013] exit_group(0 [pid 7016] <... futex resumed>) = ? [pid 7013] <... exit_group resumed>) = ? [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7016] +++ exited with 0 +++ [pid 7015] +++ exited with 0 +++ [pid 7014] close(20 [pid 7013] +++ exited with 0 +++ [pid 7011] +++ exited with 0 +++ [pid 3487] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... mkdir resumed>) = 0 [pid 7017] close(14 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7020 attached [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(21 [pid 3487] lstat("./284/binderfs", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7020] set_robust_list(0x5555562645e0, 24 [pid 7017] close(15 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 546 [pid 7020] <... set_robust_list resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(22 [pid 3487] unlink("./284/binderfs" [pid 3485] <... restart_syscall resumed>) = 0 [pid 7020] chdir("./272" [pid 7017] close(16 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] <... chdir resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(23 [pid 3487] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7020] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7017] close(17 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] <... prctl resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(24 [pid 3487] lstat("./284/cgroup", [pid 3484] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7020] setpgid(0, 0 [pid 7017] close(18 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7020] <... setpgid resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(25 [pid 3487] unlink("./284/cgroup" [pid 3484] <... openat resumed>) = 3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7017] close(19 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 7020] <... symlink resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(26 [pid 3487] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7020] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7017] close(20 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] <... symlink resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(27 [pid 3487] lstat("./284/cgroup.net", [pid 3485] <... openat resumed>) = 3 [pid 3484] getdents64(3, [pid 7020] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7017] close(21 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] fstat(3, [pid 7020] <... symlink resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(28 [pid 3487] unlink("./284/cgroup.net" [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7020] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7017] close(22 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7020] <... openat resumed>) = 3 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] close(29 [pid 3487] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 7020] write(3, "1000", 4 [pid 7017] close(23 [pid 7014] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] <... write resumed>) = 4 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] exit_group(0 [pid 3487] lstat("./284/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] close(3 [pid 7018] <... futex resumed>) = ? [pid 7017] close(24 [pid 7014] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./275/binderfs", [pid 7020] <... close resumed>) = 0 [pid 7018] +++ exited with 0 +++ [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7014] +++ exited with 0 +++ [pid 3487] unlink("./284/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7020] read(200, [pid 7017] close(25 [pid 3487] <... unlink resumed>) = 0 [pid 7020] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3485] lstat("./277/binderfs", [pid 3484] unlink("./275/binderfs" [pid 7020] symlink("/dev/binderfs", "./binderfs" [pid 7017] close(26 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7020] <... symlink resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7020] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7017] close(27 [pid 3487] <... close resumed>) = 0 [pid 3486] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] unlink("./277/binderfs" [pid 3484] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7020] <... futex resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./284" [pid 3486] <... openat resumed>) = 3 [pid 7020] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7017] close(28 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] fstat(3, [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./285", 0777 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./275/cgroup", [pid 7020] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7017] close(29 [pid 3487] <... mkdir resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7020] <... mprotect resumed>) = 0 [pid 7017] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] lstat("./277/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7021 attached [pid 7020] 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 7017] exit_group(0 [pid 3486] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7022 attached [pid 7021] set_robust_list(0x5555562645e0, 24 [pid 7019] <... futex resumed>) = ? [pid 7017] <... exit_group resumed>) = ? [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 572 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./275/cgroup" [pid 7022] set_robust_list(0x7fa7c8c309e0, 24 [pid 7021] <... set_robust_list resumed>) = 0 [pid 7020] <... clone resumed>, parent_tid=[547], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 547 [pid 7019] +++ exited with 0 +++ [pid 7017] +++ exited with 0 +++ [pid 3486] lstat("./282/binderfs", [pid 3485] unlink("./277/cgroup" [pid 7022] <... set_robust_list resumed>) = 0 [pid 7021] chdir("./285" [pid 7020] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=530, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7022] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7021] <... chdir resumed>) = 0 [pid 7020] <... futex resumed>) = 0 [pid 3486] unlink("./282/binderfs" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7022] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7020] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7022] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... prctl resumed>) = 0 [pid 7020] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./275/cgroup.net", [pid 7022] <... futex resumed>) = 0 [pid 7021] setpgid(0, 0 [pid 7020] close(3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./277/cgroup.net", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7022] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7021] <... setpgid resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./282/cgroup", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./275/cgroup.net" [pid 3482] umount2("./264", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7021] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7020] close(4 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] unlink("./277/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 7021] <... symlink resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./282/cgroup" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7021] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7020] close(5 [pid 3485] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7021] <... symlink resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./275/cgroup.cpu", [pid 3482] openat(AT_FDCWD, "./264", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7021] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3485] lstat("./277/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7021] <... symlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./275/cgroup.cpu" [pid 7021] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] unlink("./277/cgroup.cpu" [pid 3484] <... unlink resumed>) = 0 [pid 7021] <... openat resumed>) = 3 [pid 7020] close(6 [pid 3486] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3482] <... openat resumed>) = 3 [pid 7021] write(3, "1000", 4 [pid 3485] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7021] <... write resumed>) = 4 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] close(3 [pid 7021] close(3 [pid 7020] close(7 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] close(3 [pid 3484] <... close resumed>) = 0 [pid 3482] fstat(3, [pid 7021] <... close resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./282/cgroup.net", [pid 3485] <... close resumed>) = 0 [pid 3484] rmdir("./275" [pid 7021] read(200, [pid 7020] close(8 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] rmdir("./277" [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7021] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./282/cgroup.net" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] mkdir("./276", 0777 [pid 3482] getdents64(3, [pid 7021] symlink("/dev/binderfs", "./binderfs" [pid 7020] close(9 [pid 3486] <... unlink resumed>) = 0 [pid 3485] mkdir("./278", 0777 [pid 3484] <... mkdir resumed>) = 0 [pid 7021] <... symlink resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... mkdir resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 7023 attached [pid 7021] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7020] close(10 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./264/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7024 attached [pid 7023] set_robust_list(0x5555562645e0, 24 [pid 7021] <... futex resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./282/cgroup.cpu", [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 554 [pid 7024] set_robust_list(0x5555562645e0, 24 [pid 7023] <... set_robust_list resumed>) = 0 [pid 7021] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 558 [pid 7024] <... set_robust_list resumed>) = 0 [pid 7023] chdir("./276" [pid 7021] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7020] close(11 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7024] chdir("./278" [pid 7023] <... chdir resumed>) = 0 [pid 7021] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./282/cgroup.cpu" [pid 7024] <... chdir resumed>) = 0 [pid 7023] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7021] <... mprotect resumed>) = 0 [pid 7020] close(12 [pid 3482] lstat("./264/binderfs", [pid 7024] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7023] <... prctl resumed>) = 0 [pid 7021] 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 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7025 attached [pid 7024] <... prctl resumed>) = 0 [pid 7023] setpgid(0, 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7025] set_robust_list(0x7fa7c8c309e0, 24 [pid 7024] setpgid(0, 0 [pid 7023] <... setpgid resumed>) = 0 [pid 7021] <... clone resumed>, parent_tid=[573], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 573 [pid 7020] close(13 [pid 3486] getdents64(3, [pid 7025] <... set_robust_list resumed>) = 0 [pid 7024] <... setpgid resumed>) = 0 [pid 7023] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7021] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] unlink("./264/binderfs" [pid 7025] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7024] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7023] <... symlink resumed>) = 0 [pid 7021] <... futex resumed>) = 0 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7025] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... symlink resumed>) = 0 [pid 7023] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7021] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... unlink resumed>) = 0 [pid 7025] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7023] <... symlink resumed>) = 0 [pid 7021] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7020] close(14 [pid 3486] close(3 [pid 7025] <... futex resumed>) = 0 [pid 7024] <... symlink resumed>) = 0 [pid 7023] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7021] close(3 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3482] umount2("./264/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7025] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7024] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7023] <... symlink resumed>) = 0 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... symlink resumed>) = 0 [pid 7023] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7021] close(4 [pid 7020] close(15 [pid 3486] rmdir("./282" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7024] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7023] <... openat resumed>) = 3 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... openat resumed>) = 3 [pid 7023] write(3, "1000", 4 [pid 7021] close(5 [pid 7024] write(3, "1000", 4 [pid 7023] <... write resumed>) = 4 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(16 [pid 3486] <... rmdir resumed>) = 0 [pid 3482] lstat("./264/cgroup", [pid 7024] <... write resumed>) = 4 [pid 7023] close(3 [pid 7021] close(6 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] close(3 [pid 7023] <... close resumed>) = 0 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(17 [pid 3486] mkdir("./283", 0777 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7024] <... close resumed>) = 0 [pid 7023] read(200, [pid 7021] close(7 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./264/cgroup" [pid 7024] read(200, [pid 7023] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7023] symlink("/dev/binderfs", "./binderfs" [pid 7021] close(8 [pid 7024] symlink("/dev/binderfs", "./binderfs" [pid 7023] <... symlink resumed>) = 0 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(18 [pid 3482] <... unlink resumed>) = 0 [pid 7024] <... symlink resumed>) = 0 [pid 7023] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] close(9 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 7024] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = 0 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(19 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./264/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7024] <... futex resumed>) = 0 [pid 7023] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7021] close(10 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7023] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(20 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7026 attached [pid 7024] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7023] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7021] close(11 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] set_robust_list(0x5555562645e0, 24 [pid 7024] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7023] <... mprotect resumed>) = 0 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./264/cgroup.net", [pid 7026] <... set_robust_list resumed>) = 0 [pid 7024] <... mprotect resumed>) = 0 [pid 7023] 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 7021] close(12 [pid 7020] close(21 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 568 ./strace-static-x86_64: Process 7027 attached [pid 7026] chdir("./283" [pid 7024] 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 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] <... 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 7028 attached [pid 7027] set_robust_list(0x7fa7c8c309e0, 24 [pid 7026] <... chdir resumed>) = 0 [pid 7023] <... clone resumed>, parent_tid=[555], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 555 [pid 7021] close(13 [pid 7020] close(22 [pid 3482] unlink("./264/cgroup.net" [pid 7028] set_robust_list(0x7fa7c8c309e0, 24 [pid 7027] <... set_robust_list resumed>) = 0 [pid 7026] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7024] <... clone resumed>, parent_tid=[559], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 559 [pid 7023] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7028] <... set_robust_list resumed>) = 0 [pid 7027] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7026] <... prctl resumed>) = 0 [pid 7024] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7023] <... futex resumed>) = 0 [pid 7021] close(14 [pid 7020] close(23 [pid 3482] <... unlink resumed>) = 0 [pid 7028] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7027] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] setpgid(0, 0 [pid 7024] <... futex resumed>) = 0 [pid 7023] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7028] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7027] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... setpgid resumed>) = 0 [pid 7024] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7021] close(15 [pid 3482] umount2("./264/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7028] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7027] <... futex resumed>) = 1 [pid 7026] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7024] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7023] <... futex resumed>) = 0 [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(24 [pid 7028] <... futex resumed>) = 0 [pid 7027] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7026] <... symlink resumed>) = 0 [pid 7024] close(3 [pid 7023] close(3 [pid 7021] close(16 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7028] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7026] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... symlink resumed>) = 0 [pid 7024] close(4 [pid 7023] close(4 [pid 7021] close(17 [pid 7020] close(25 [pid 3482] lstat("./264/cgroup.cpu", [pid 7026] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... symlink resumed>) = 0 [pid 7024] close(5 [pid 7023] close(5 [pid 7021] close(18 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7026] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... openat resumed>) = 3 [pid 7024] close(6 [pid 7023] close(6 [pid 7021] close(19 [pid 7020] close(26 [pid 3482] unlink("./264/cgroup.cpu" [pid 7026] write(3, "1000", 4 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... write resumed>) = 4 [pid 7024] close(7 [pid 7023] close(7 [pid 7021] close(20 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] close(3 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(27 [pid 3482] <... unlink resumed>) = 0 [pid 7026] <... close resumed>) = 0 [pid 7024] close(8 [pid 7023] close(8 [pid 7021] close(21 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] read(200, [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(28 [pid 3482] getdents64(3, [pid 7026] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7024] close(9 [pid 7023] close(9 [pid 7021] close(22 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7026] symlink("/dev/binderfs", "./binderfs" [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] close(29 [pid 3482] close(3 [pid 7026] <... symlink resumed>) = 0 [pid 7024] close(10 [pid 7023] close(10 [pid 7021] close(23 [pid 7020] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7026] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7020] exit_group(0 [pid 7026] <... futex resumed>) = 0 [pid 7024] close(11 [pid 7022] <... futex resumed>) = ? [pid 7020] <... exit_group resumed>) = ? [pid 3482] rmdir("./264" [pid 7026] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(11 [pid 7022] +++ exited with 0 +++ [pid 7021] close(24 [pid 7020] +++ exited with 0 +++ [pid 3482] <... rmdir resumed>) = 0 [pid 7026] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7024] close(12 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./265", 0777 [pid 7026] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(12 [pid 7021] close(25 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] <... mkdir resumed>) = 0 [pid 7026] <... mprotect resumed>) = 0 [pid 7024] close(13 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 7026] 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 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(13 [pid 7021] close(26 [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7029 attached [pid 7024] close(14 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... clone resumed>, parent_tid=[569], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 569 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(14 [pid 7021] close(27 [pid 7026] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7024] close(15 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7026] <... futex resumed>) = 0 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(15 [pid 7021] close(28 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7029] set_robust_list(0x7fa7c8c309e0, 24 [pid 7026] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7024] close(16 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7030 attached [pid 7029] <... set_robust_list resumed>) = 0 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(16 [pid 7021] close(29 [pid 3483] <... openat resumed>) = 3 [pid 7030] set_robust_list(0x5555562645e0, 24 [pid 7029] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7024] close(17 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] fstat(3, [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 532 [pid 7030] <... set_robust_list resumed>) = 0 [pid 7029] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(17 [pid 7021] exit_group(0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7030] chdir("./265" [pid 7025] <... futex resumed>) = ? [pid 7024] close(18 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7021] <... exit_group resumed>) = ? [pid 3483] getdents64(3, [pid 7029] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] <... chdir resumed>) = 0 [pid 7025] +++ exited with 0 +++ [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(18 [pid 7021] +++ exited with 0 +++ [pid 7029] <... futex resumed>) = 1 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7030] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7026] <... futex resumed>) = 0 [pid 7024] close(19 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7030] <... prctl resumed>) = 0 [pid 7029] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7026] close(3 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(19 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7030] setpgid(0, 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] close(20 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3483] lstat("./272/binderfs", [pid 7030] <... setpgid resumed>) = 0 [pid 7026] close(4 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(20 [pid 3487] <... restart_syscall resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7030] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] close(21 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./272/binderfs" [pid 7030] <... symlink resumed>) = 0 [pid 7026] close(5 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(21 [pid 3483] <... unlink resumed>) = 0 [pid 7030] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] close(22 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7030] <... symlink resumed>) = 0 [pid 7026] close(6 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(22 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7030] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7026] close(7 [pid 7024] close(23 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3483] lstat("./272/cgroup", [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 7030] <... symlink resumed>) = 0 [pid 7026] close(8 [pid 3487] <... 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 7030] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(23 [pid 3487] getdents64(3, [pid 7030] <... openat resumed>) = 3 [pid 7026] close(9 [pid 7024] close(24 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./272/cgroup" [pid 7030] write(3, "1000", 4 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(24 [pid 3487] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7026] close(10 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./285/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 7024] close(25 [pid 7030] <... write resumed>) = 4 [pid 7026] close(11 [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(25 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./285/binderfs" [pid 7026] close(12 [pid 3487] <... unlink resumed>) = 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7030] close(3 [pid 7026] close(13 [pid 7024] close(26 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7030] <... close resumed>) = 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(26 [pid 3487] lstat("./285/cgroup", [pid 7030] read(200, [pid 7026] close(14 [pid 7024] close(27 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./272/cgroup.net", [pid 7030] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./285/cgroup" [pid 7030] symlink("/dev/binderfs", "./binderfs" [pid 7026] close(15 [pid 7024] close(28 [pid 7023] close(27 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7030] <... symlink resumed>) = 0 [pid 7026] close(16 [pid 7024] close(29 [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./272/cgroup.net" [pid 7030] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] close(28 [pid 3487] lstat("./285/cgroup.net", [pid 7026] close(17 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7030] <... futex resumed>) = 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./285/cgroup.net" [pid 7030] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7026] close(18 [pid 7024] exit_group(0 [pid 7023] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 3483] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7030] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7028] <... futex resumed>) = ? [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7024] <... exit_group resumed>) = ? [pid 7023] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7030] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7028] +++ exited with 0 +++ [pid 7026] close(19 [pid 7024] +++ exited with 0 +++ [pid 7023] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7030] <... mprotect resumed>) = 0 [pid 7027] <... futex resumed>) = ? [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7023] <... exit_group resumed>) = ? [pid 3487] lstat("./285/cgroup.cpu", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] lstat("./272/cgroup.cpu", [pid 7030] 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] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./272/cgroup.cpu" [pid 7027] +++ exited with 0 +++ [pid 7026] close(20 [pid 7023] +++ exited with 0 +++ [pid 3483] <... unlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] getdents64(3, 0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3./strace-static-x86_64: Process 7031 attached [pid 7026] close(21 [pid 3487] unlink("./285/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... close resumed>) = 0 [pid 7031] set_robust_list(0x7fa7c8c309e0, 24 [pid 7030] <... clone resumed>, parent_tid=[533], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 533 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] rmdir("./272" [pid 7031] <... set_robust_list resumed>) = 0 [pid 7030] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] close(22 [pid 3487] getdents64(3, [pid 3485] <... openat resumed>) = 3 [pid 3484] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7030] <... futex resumed>) = 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7031] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7030] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7026] close(23 [pid 3487] close(3 [pid 3483] <... rmdir resumed>) = 0 [pid 7031] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] fstat(3, [pid 3484] <... openat resumed>) = 3 [pid 7031] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7026] close(24 [pid 3487] rmdir("./285" [pid 3483] mkdir("./273", 0777 [pid 7031] <... futex resumed>) = 1 [pid 7030] <... futex resumed>) = 0 [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] fstat(3, [pid 7030] close(3 [pid 7026] close(25 [pid 3487] mkdir("./286", 0777 [pid 7031] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7030] close(4 [pid 7026] close(26 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7032 attached [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] getdents64(3, [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7030] close(5 [pid 7026] close(27 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 574 [pid 7032] set_robust_list(0x5555562645e0, 24 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7032] <... set_robust_list resumed>) = 0 [pid 7030] close(6 [pid 7026] close(28 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7033 attached [pid 7032] chdir("./286" [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./278/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7033] set_robust_list(0x5555562645e0, 24 [pid 7032] <... chdir resumed>) = 0 [pid 7030] close(7 [pid 7026] close(29 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] lstat("./276/binderfs", [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 548 [pid 7033] <... set_robust_list resumed>) = 0 [pid 7032] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7026] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] chdir("./273" [pid 7032] <... prctl resumed>) = 0 [pid 7030] close(8 [pid 7026] exit_group(0 [pid 3485] unlink("./278/binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7033] <... chdir resumed>) = 0 [pid 7032] setpgid(0, 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7029] <... futex resumed>) = ? [pid 7026] <... exit_group resumed>) = ? [pid 7033] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7032] <... setpgid resumed>) = 0 [pid 7030] close(9 [pid 7029] +++ exited with 0 +++ [pid 7026] +++ exited with 0 +++ [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./276/binderfs" [pid 7033] <... prctl resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7033] setpgid(0, 0 [pid 7030] close(10 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7033] <... setpgid resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 7033] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7032] <... symlink resumed>) = 0 [pid 7030] close(11 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7033] <... symlink resumed>) = 0 [pid 7032] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7033] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7030] close(12 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7033] <... symlink resumed>) = 0 [pid 7032] <... symlink resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7033] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7032] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7030] close(13 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] lstat("./278/cgroup", [pid 3484] lstat("./276/cgroup", [pid 7033] <... symlink resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 7033] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7032] <... symlink resumed>) = 0 [pid 7030] close(14 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7033] <... openat resumed>) = 3 [pid 7032] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./278/cgroup" [pid 3484] unlink("./276/cgroup" [pid 7033] write(3, "1000", 4 [pid 7032] <... openat resumed>) = 3 [pid 7030] close(15 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7033] <... write resumed>) = 4 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./283/binderfs", [pid 7033] close(3 [pid 7030] close(16 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7033] <... close resumed>) = 0 [pid 7032] write(3, "1000", 4 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./283/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 7033] read(200, [pid 7032] <... write resumed>) = 4 [pid 7030] close(17 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7033] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7032] close(3 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7033] symlink("/dev/binderfs", "./binderfs" [pid 7032] <... close resumed>) = 0 [pid 7030] close(18 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7033] <... symlink resumed>) = 0 [pid 7032] read(200, [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./283/cgroup", [pid 3485] lstat("./278/cgroup.net", [pid 3484] lstat("./276/cgroup.net", [pid 7033] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7032] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7030] close(19 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7033] <... futex resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./283/cgroup" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7033] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7032] symlink("/dev/binderfs", "./binderfs" [pid 7030] close(20 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7033] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./278/cgroup.net" [pid 7033] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7032] <... symlink resumed>) = 0 [pid 7030] close(21 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./276/cgroup.net" [pid 7033] <... mprotect resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./283/cgroup.net", [pid 7033] 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 7030] close(22 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7034 attached [pid 7032] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./283/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 7034] set_robust_list(0x7fa7c8c309e0, 24 [pid 7033] <... clone resumed>, parent_tid=[549], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 549 [pid 7032] <... futex resumed>) = 0 [pid 7030] close(23 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7034] <... set_robust_list resumed>) = 0 [pid 7033] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7032] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7034] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7033] <... futex resumed>) = 0 [pid 7032] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] lstat("./278/cgroup.cpu", [pid 3484] lstat("./276/cgroup.cpu", [pid 7034] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7032] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7030] close(24 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [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 7034] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7032] <... mprotect resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./283/cgroup.cpu", [pid 3485] unlink("./278/cgroup.cpu" [pid 3484] unlink("./276/cgroup.cpu" [pid 7034] <... futex resumed>) = 0 [pid 7033] close(3 [pid 7032] 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 7030] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7035 attached [pid 7034] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] unlink("./283/cgroup.cpu" [pid 3485] getdents64(3, [pid 3484] <... unlink resumed>) = 0 [pid 7035] set_robust_list(0x7fa7c8c309e0, 24 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... clone resumed>, parent_tid=[575], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 575 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] getdents64(3, [pid 7035] <... set_robust_list resumed>) = 0 [pid 7033] close(4 [pid 7032] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7030] close(26 [pid 3486] <... unlink resumed>) = 0 [pid 3485] close(3 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7035] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... futex resumed>) = 0 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] close(3 [pid 3486] getdents64(3, [pid 7035] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] close(5 [pid 7032] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7030] close(27 [pid 3485] rmdir("./278" [pid 3484] <... close resumed>) = 0 [pid 7035] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] rmdir("./276" [pid 7035] <... futex resumed>) = 0 [pid 7033] close(6 [pid 7032] close(3 [pid 7030] close(28 [pid 3486] close(3 [pid 3485] mkdir("./279", 0777 [pid 7035] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 7033] close(7 [pid 7032] close(4 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] mkdir("./277", 0777 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7030] close(29 [pid 3486] rmdir("./283" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7036 attached [pid 7033] close(8 [pid 7032] close(5 [pid 7030] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7036] set_robust_list(0x5555562645e0, 24 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7030] exit_group(0 [pid 3486] mkdir("./284", 0777 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 560 ./strace-static-x86_64: Process 7037 attached [pid 7036] <... set_robust_list resumed>) = 0 [pid 7033] close(9 [pid 7032] close(6 [pid 7031] <... futex resumed>) = ? [pid 7030] <... exit_group resumed>) = ? [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 556 [pid 7037] set_robust_list(0x5555562645e0, 24 [pid 7036] chdir("./279" [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7031] +++ exited with 0 +++ [pid 3486] <... mkdir resumed>) = 0 [pid 7036] <... chdir resumed>) = 0 [pid 7032] close(7 [pid 7036] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... set_robust_list resumed>) = 0 [pid 7036] <... prctl resumed>) = 0 [pid 7033] close(10 [pid 7032] close(8 [pid 7030] +++ exited with 0 +++ [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7038 attached [pid 7037] chdir("./277" [pid 7036] setpgid(0, 0 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=532, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7038] set_robust_list(0x5555562645e0, 24 [pid 7037] <... chdir resumed>) = 0 [pid 7036] <... setpgid resumed>) = 0 [pid 7033] close(11 [pid 7032] close(9 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 570 [pid 7038] <... set_robust_list resumed>) = 0 [pid 7037] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7036] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] chdir("./284" [pid 7036] <... symlink resumed>) = 0 [pid 7032] close(10 [pid 7038] <... chdir resumed>) = 0 [pid 7037] <... prctl resumed>) = 0 [pid 7036] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7033] close(12 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7037] setpgid(0, 0 [pid 7036] <... symlink resumed>) = 0 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(11 [pid 3482] umount2("./265", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7038] <... prctl resumed>) = 0 [pid 7037] <... setpgid resumed>) = 0 [pid 7036] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7033] close(13 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] setpgid(0, 0 [pid 7037] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7036] <... symlink resumed>) = 0 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(12 [pid 3482] openat(AT_FDCWD, "./265", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7038] <... setpgid resumed>) = 0 [pid 7037] <... symlink resumed>) = 0 [pid 7036] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7033] close(14 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7038] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7036] <... openat resumed>) = 3 [pid 7032] close(13 [pid 7037] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3482] fstat(3, [pid 7038] <... symlink resumed>) = 0 [pid 7036] write(3, "1000", 4 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7038] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7037] <... symlink resumed>) = 0 [pid 7036] <... write resumed>) = 4 [pid 7033] close(15 [pid 7032] close(14 [pid 3482] getdents64(3, [pid 7038] <... symlink resumed>) = 0 [pid 7037] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7036] close(3 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7038] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7037] <... symlink resumed>) = 0 [pid 7036] <... close resumed>) = 0 [pid 7033] close(16 [pid 7032] close(15 [pid 3482] umount2("./265/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7038] <... symlink resumed>) = 0 [pid 7037] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7036] read(200, [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7037] <... openat resumed>) = 3 [pid 7036] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] close(17 [pid 7032] close(16 [pid 3482] lstat("./265/binderfs", [pid 7038] <... openat resumed>) = 3 [pid 7037] write(3, "1000", 4 [pid 7036] symlink("/dev/binderfs", "./binderfs" [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7038] write(3, "1000", 4 [pid 7037] <... write resumed>) = 4 [pid 7036] <... symlink resumed>) = 0 [pid 7033] close(18 [pid 7032] close(17 [pid 3482] unlink("./265/binderfs" [pid 7038] <... write resumed>) = 4 [pid 7037] close(3 [pid 7036] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7038] close(3 [pid 7037] <... close resumed>) = 0 [pid 7036] <... futex resumed>) = 0 [pid 7033] close(19 [pid 7032] close(18 [pid 3482] umount2("./265/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7038] <... close resumed>) = 0 [pid 7037] read(200, [pid 7036] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7038] read(200, [pid 7037] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7033] close(20 [pid 7032] close(19 [pid 3482] lstat("./265/cgroup", [pid 7038] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7037] symlink("/dev/binderfs", "./binderfs" [pid 7036] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7038] symlink("/dev/binderfs", "./binderfs" [pid 7037] <... symlink resumed>) = 0 [pid 7036] <... mprotect resumed>) = 0 [pid 7033] close(21 [pid 7032] close(20 [pid 3482] unlink("./265/cgroup" [pid 7038] <... symlink resumed>) = 0 [pid 7037] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] 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 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7039 attached [pid 7038] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] <... futex resumed>) = 0 [pid 7032] close(21 [pid 3482] umount2("./265/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7039] set_robust_list(0x7fa7c8c309e0, 24 [pid 7038] <... futex resumed>) = 0 [pid 7037] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7036] <... clone resumed>, parent_tid=[561], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 561 [pid 7033] close(22 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7039] <... set_robust_list resumed>) = 0 [pid 7038] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7037] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7036] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(22 [pid 3482] lstat("./265/cgroup.net", [pid 7039] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7038] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7037] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7036] <... futex resumed>) = 0 [pid 7033] close(23 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7039] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7037] <... mprotect resumed>) = 0 [pid 7036] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(23 [pid 3482] unlink("./265/cgroup.net" [pid 7039] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] <... mprotect resumed>) = 0 [pid 7037] 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 7036] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7033] close(24 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7040 attached [pid 7039] <... futex resumed>) = 0 [pid 7038] 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 7036] close(3 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(24 [pid 3482] umount2("./265/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7041 attached [pid 7040] set_robust_list(0x7fa7c8c309e0, 24 [pid 7039] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7037] <... clone resumed>, parent_tid=[557], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 557 [pid 7033] close(25 [pid 7041] set_robust_list(0x7fa7c8c309e0, 24 [pid 7040] <... set_robust_list resumed>) = 0 [pid 7038] <... clone resumed>, parent_tid=[571], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 571 [pid 7037] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7041] <... set_robust_list resumed>) = 0 [pid 7040] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7038] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7037] <... futex resumed>) = 0 [pid 7036] close(4 [pid 7032] close(25 [pid 3482] lstat("./265/cgroup.cpu", [pid 7041] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7040] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] <... futex resumed>) = 0 [pid 7037] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] close(26 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7041] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7040] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7037] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7036] close(5 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(26 [pid 3482] unlink("./265/cgroup.cpu" [pid 7041] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7040] <... futex resumed>) = 0 [pid 7038] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7037] close(3 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] close(27 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7041] <... futex resumed>) = 0 [pid 7040] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] close(3 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] close(6 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(27 [pid 3482] getdents64(3, [pid 7041] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] close(4 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] close(28 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7038] close(4 [pid 7036] close(7 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(28 [pid 3482] close(3 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] close(29 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7038] close(5 [pid 7037] close(5 [pid 7036] close(8 [pid 7033] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7032] close(29 [pid 3482] rmdir("./265" [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7033] exit_group(0 [pid 7032] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 7038] close(6 [pid 7037] close(6 [pid 7036] close(9 [pid 7034] <... futex resumed>) = ? [pid 7033] <... exit_group resumed>) = ? [pid 7032] exit_group(0 [pid 3482] mkdir("./266", 0777 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7035] <... futex resumed>) = ? [pid 7034] +++ exited with 0 +++ [pid 7032] <... exit_group resumed>) = ? [pid 3482] <... mkdir resumed>) = 0 [pid 7038] close(7 [pid 7037] close(7 [pid 7036] close(10 [pid 7035] +++ exited with 0 +++ [pid 7033] +++ exited with 0 +++ [pid 7032] +++ exited with 0 +++ [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 7042 attached [pid 7038] close(8 [pid 7037] close(8 [pid 7036] close(11 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 534 [pid 7042] set_robust_list(0x5555562645e0, 24 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] <... set_robust_list resumed>) = 0 [pid 7038] close(9 [pid 7037] close(9 [pid 7036] close(12 [pid 7042] chdir("./266" [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] <... chdir resumed>) = 0 [pid 7038] close(10 [pid 7037] close(10 [pid 7036] close(13 [pid 3487] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7042] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7042] <... prctl resumed>) = 0 [pid 7038] close(11 [pid 7037] close(11 [pid 7036] close(14 [pid 3487] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7042] setpgid(0, 0 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3483] <... openat resumed>) = 3 [pid 7042] <... setpgid resumed>) = 0 [pid 7038] close(12 [pid 7037] close(12 [pid 7036] close(15 [pid 3487] fstat(3, [pid 3483] fstat(3, [pid 7042] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7042] <... symlink resumed>) = 0 [pid 7038] close(13 [pid 7037] close(13 [pid 7036] close(16 [pid 3487] getdents64(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7042] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] getdents64(3, [pid 7042] <... symlink resumed>) = 0 [pid 7038] close(14 [pid 7037] close(14 [pid 7036] close(17 [pid 3487] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7042] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7042] <... symlink resumed>) = 0 [pid 7038] close(15 [pid 7037] close(15 [pid 7036] close(18 [pid 3487] lstat("./286/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7042] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] lstat("./273/binderfs", [pid 7042] <... openat resumed>) = 3 [pid 7038] close(16 [pid 7037] close(16 [pid 7036] close(19 [pid 3487] unlink("./286/binderfs" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7042] write(3, "1000", 4 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] unlink("./273/binderfs" [pid 7042] <... write resumed>) = 4 [pid 7038] close(17 [pid 7037] close(17 [pid 7036] close(20 [pid 3487] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7042] close(3 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] <... close resumed>) = 0 [pid 7037] close(18 [pid 7042] read(200, [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 7042] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7042] symlink("/dev/binderfs", "./binderfs" [pid 7038] close(18 [pid 7037] close(19 [pid 7042] <... symlink resumed>) = 0 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] close(21 [pid 3487] lstat("./286/cgroup", [pid 3483] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7042] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] close(19 [pid 7037] close(20 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] <... futex resumed>) = 0 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] close(22 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7042] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7038] close(20 [pid 7037] close(21 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./286/cgroup" [pid 7042] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] close(23 [pid 3487] <... unlink resumed>) = 0 [pid 3483] lstat("./273/cgroup", [pid 7042] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7037] close(22 [pid 7042] <... mprotect resumed>) = 0 [pid 7038] close(21 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7042] 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 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] close(23 [pid 7036] close(24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./273/cgroup"./strace-static-x86_64: Process 7043 attached [pid 7038] close(22 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./286/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 7043] set_robust_list(0x7fa7c8c309e0, 24 [pid 7042] <... clone resumed>, parent_tid=[535], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 535 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] close(24 [pid 7036] close(25 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7043] <... set_robust_list resumed>) = 0 [pid 7042] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7038] close(23 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./286/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7043] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7042] <... futex resumed>) = 0 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] close(25 [pid 7036] close(26 [pid 7043] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7038] close(24 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] lstat("./273/cgroup.net", [pid 7043] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] close(27 [pid 3487] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7043] <... futex resumed>) = 0 [pid 7042] close(3 [pid 7038] close(25 [pid 7037] close(26 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./273/cgroup.net" [pid 7043] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7036] close(28 [pid 3487] lstat("./286/cgroup.cpu", [pid 7042] close(4 [pid 7038] close(26 [pid 7037] close(27 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7042] close(5 [pid 7038] close(27 [pid 7037] close(28 [pid 7036] close(29 [pid 3487] unlink("./286/cgroup.cpu" [pid 3483] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] close(6 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] close(29 [pid 7036] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] close(28 [pid 7037] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7042] close(7 [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] exit_group(0 [pid 7036] exit_group(0 [pid 3487] getdents64(3, [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7040] <... futex resumed>) = ? [pid 7038] close(29 [pid 7037] <... exit_group resumed>) = ? [pid 3483] lstat("./273/cgroup.cpu", [pid 7042] close(8 [pid 7040] +++ exited with 0 +++ [pid 7039] <... futex resumed>) = ? [pid 7038] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7037] +++ exited with 0 +++ [pid 7036] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7039] +++ exited with 0 +++ [pid 7038] exit_group(0 [pid 7036] +++ exited with 0 +++ [pid 3487] close(3 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] unlink("./273/cgroup.cpu" [pid 7042] close(9 [pid 7041] <... futex resumed>) = ? [pid 7038] <... exit_group resumed>) = ? [pid 3487] <... close resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7042] close(10 [pid 3484] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7042] close(11 [pid 7041] +++ exited with 0 +++ [pid 3484] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... unlink resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7038] +++ exited with 0 +++ [pid 3487] rmdir("./286" [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... openat resumed>) = 3 [pid 7042] close(12 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] fstat(3, [pid 3483] getdents64(3, [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./287", 0777 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7042] close(13 [pid 3486] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] close(3 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3484] getdents64(3, [pid 3483] <... close resumed>) = 0 [pid 7042] close(14 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] fstat(3, [pid 3483] rmdir("./273"./strace-static-x86_64: Process 7044 attached [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... rmdir resumed>) = 0 [pid 7044] set_robust_list(0x5555562645e0, 24 [pid 7042] close(15 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 576 [pid 3486] fstat(3, [pid 3485] getdents64(3, [pid 3484] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./274", 0777 [pid 7044] <... set_robust_list resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7044] chdir("./287" [pid 7042] close(16 [pid 3486] getdents64(3, [pid 3484] lstat("./277/binderfs", [pid 7044] <... chdir resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... mkdir resumed>) = 0 [pid 7044] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7042] close(17 [pid 3486] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7044] <... prctl resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./277/binderfs" [pid 3485] lstat("./279/binderfs", ./strace-static-x86_64: Process 7045 attached [pid 7044] setpgid(0, 0 [pid 7042] close(18 [pid 3486] lstat("./284/binderfs", [pid 3484] <... unlink resumed>) = 0 [pid 7045] set_robust_list(0x5555562645e0, 24 [pid 7044] <... setpgid resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 550 [pid 7045] <... set_robust_list resumed>) = 0 [pid 7044] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7042] close(19 [pid 3486] unlink("./284/binderfs" [pid 3485] unlink("./279/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7045] chdir("./274" [pid 7044] <... symlink resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3484] lstat("./277/cgroup", [pid 7044] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7042] close(20 [pid 3486] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7045] <... chdir resumed>) = 0 [pid 7044] <... symlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7045] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7044] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./277/cgroup" [pid 7045] <... prctl resumed>) = 0 [pid 7042] close(21 [pid 3486] lstat("./284/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7045] setpgid(0, 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] lstat("./279/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 7045] <... setpgid resumed>) = 0 [pid 7044] <... symlink resumed>) = 0 [pid 7042] close(22 [pid 3486] unlink("./284/cgroup" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7045] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7044] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./279/cgroup" [pid 3484] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7045] <... symlink resumed>) = 0 [pid 7044] <... openat resumed>) = 3 [pid 7042] close(23 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7045] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7044] write(3, "1000", 4 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./277/cgroup.net", [pid 7045] <... symlink resumed>) = 0 [pid 7044] <... write resumed>) = 4 [pid 7042] close(24 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7045] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7044] close(3 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./284/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7045] <... symlink resumed>) = 0 [pid 7044] <... close resumed>) = 0 [pid 3485] lstat("./279/cgroup.net", [pid 7045] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7045] <... openat resumed>) = 3 [pid 7042] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./279/cgroup.net" [pid 3484] unlink("./277/cgroup.net" [pid 7044] read(200, [pid 7045] write(3, "1000", 4 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./284/cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 7045] <... write resumed>) = 4 [pid 3485] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 7045] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7045] <... close resumed>) = 0 [pid 7044] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7042] close(26 [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./279/cgroup.cpu", [pid 3484] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7045] read(200, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7045] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7044] symlink("/dev/binderfs", "./binderfs" [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./279/cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7045] symlink("/dev/binderfs", "./binderfs" [pid 7044] <... symlink resumed>) = 0 [pid 7042] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 7045] <... symlink resumed>) = 0 [pid 7044] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./284/cgroup.cpu", [pid 3485] getdents64(3, [pid 3484] lstat("./277/cgroup.cpu", [pid 7045] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7044] <... futex resumed>) = 0 [pid 7042] close(28 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7045] <... futex resumed>) = 0 [pid 7044] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7045] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7044] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7042] close(29 [pid 3486] unlink("./284/cgroup.cpu" [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./277/cgroup.cpu" [pid 7045] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7044] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] rmdir("./279" [pid 7045] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7044] <... mprotect resumed>) = 0 [pid 7042] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7045] <... mprotect resumed>) = 0 [pid 7044] 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 7042] exit_group(0 [pid 3486] getdents64(3, [pid 3485] mkdir("./280", 0777 [pid 3484] getdents64(3, ./strace-static-x86_64: Process 7046 attached [pid 7045] 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 7043] <... futex resumed>) = ? [pid 7042] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7047 attached [pid 7046] set_robust_list(0x7fa7c8c309e0, 24 [pid 7043] +++ exited with 0 +++ [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7048 attached [pid 7047] set_robust_list(0x7fa7c8c309e0, 24 [pid 7046] <... set_robust_list resumed>) = 0 [pid 7045] <... clone resumed>, parent_tid=[551], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 551 [pid 7044] <... clone resumed>, parent_tid=[577], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 577 [pid 7042] +++ exited with 0 +++ [pid 3486] close(3 [pid 3484] close(3 [pid 7048] set_robust_list(0x5555562645e0, 24 [pid 7047] <... set_robust_list resumed>) = 0 [pid 7046] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7044] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... close resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 562 [pid 3484] <... close resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=534, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7048] <... set_robust_list resumed>) = 0 [pid 7047] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7046] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] <... futex resumed>) = 0 [pid 7044] <... futex resumed>) = 0 [pid 3486] rmdir("./284" [pid 3484] rmdir("./277" [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7048] chdir("./280" [pid 7047] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7046] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7045] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7044] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... restart_syscall resumed>) = 0 [pid 7047] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7046] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7047] <... futex resumed>) = 0 [pid 7046] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] close(3 [pid 3486] <... rmdir resumed>) = 0 [pid 7048] <... chdir resumed>) = 0 [pid 7047] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7046] <... futex resumed>) = 1 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... futex resumed>) = 0 [pid 3486] mkdir("./285", 0777 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] umount2("./266", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7048] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7046] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7045] close(4 [pid 7044] close(3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] openat(AT_FDCWD, "./266", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7048] <... prctl resumed>) = 0 [pid 7045] close(5 [pid 7044] close(4 [pid 3486] <... mkdir resumed>) = 0 [pid 3484] mkdir("./278", 0777 [pid 3482] <... openat resumed>) = 3 [pid 7048] setpgid(0, 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] fstat(3, [pid 7045] close(6 [pid 7044] close(5 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 3482] getdents64(3, [pid 7045] close(7 [pid 7044] close(6 [pid 7048] <... setpgid resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 7049 attached [pid 7048] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./266/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7049] set_robust_list(0x5555562645e0, 24 [pid 7045] close(8 [pid 7044] close(7 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7049] <... set_robust_list resumed>) = 0 [pid 7048] <... symlink resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 572 [pid 3482] lstat("./266/binderfs", ./strace-static-x86_64: Process 7050 attached [pid 7049] chdir("./285" [pid 7048] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7045] close(9 [pid 7044] close(8 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7049] <... chdir resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./266/binderfs" [pid 7050] set_robust_list(0x5555562645e0, 24 [pid 7049] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7048] <... symlink resumed>) = 0 [pid 7045] close(10 [pid 7044] close(9 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 558 [pid 3482] <... unlink resumed>) = 0 [pid 7050] <... set_robust_list resumed>) = 0 [pid 7049] <... prctl resumed>) = 0 [pid 7048] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./266/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7049] setpgid(0, 0 [pid 7045] close(11 [pid 7044] close(10 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7050] chdir("./278" [pid 7049] <... setpgid resumed>) = 0 [pid 7048] <... symlink resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./266/cgroup", [pid 7050] <... chdir resumed>) = 0 [pid 7049] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7045] close(12 [pid 7044] close(11 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7050] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7049] <... symlink resumed>) = 0 [pid 7048] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./266/cgroup" [pid 7050] <... prctl resumed>) = 0 [pid 7049] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7048] <... openat resumed>) = 3 [pid 7045] close(13 [pid 7044] close(12 [pid 3482] <... unlink resumed>) = 0 [pid 7050] setpgid(0, 0 [pid 7049] <... symlink resumed>) = 0 [pid 7048] write(3, "1000", 4 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./266/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7050] <... setpgid resumed>) = 0 [pid 7049] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7048] <... write resumed>) = 4 [pid 7045] close(14 [pid 7044] close(13 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7050] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7049] <... symlink resumed>) = 0 [pid 7048] close(3 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./266/cgroup.net", [pid 7050] <... symlink resumed>) = 0 [pid 7049] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7048] <... close resumed>) = 0 [pid 7045] close(15 [pid 7044] close(14 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7050] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7049] <... openat resumed>) = 3 [pid 7048] read(200, [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./266/cgroup.net" [pid 7050] <... symlink resumed>) = 0 [pid 7049] write(3, "1000", 4 [pid 7048] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] close(16 [pid 7044] close(15 [pid 3482] <... unlink resumed>) = 0 [pid 7050] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7049] <... write resumed>) = 4 [pid 7048] symlink("/dev/binderfs", "./binderfs" [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./266/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7050] <... symlink resumed>) = 0 [pid 7049] close(3 [pid 7045] close(17 [pid 7044] close(16 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7049] <... close resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./266/cgroup.cpu", [pid 7049] read(200, [pid 7045] close(18 [pid 7044] close(17 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7050] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7049] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] <... symlink resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./266/cgroup.cpu" [pid 7050] <... openat resumed>) = 3 [pid 7049] symlink("/dev/binderfs", "./binderfs" [pid 7048] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] close(19 [pid 7044] close(18 [pid 3482] <... unlink resumed>) = 0 [pid 7050] write(3, "1000", 4 [pid 7049] <... symlink resumed>) = 0 [pid 7048] <... futex resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7050] <... write resumed>) = 4 [pid 7049] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7045] close(20 [pid 7044] close(19 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7050] close(3 [pid 7049] <... futex resumed>) = 0 [pid 7048] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 7050] <... close resumed>) = 0 [pid 7049] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7048] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7045] close(21 [pid 7044] close(20 [pid 3482] <... close resumed>) = 0 [pid 7050] read(200, [pid 7049] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7048] <... mprotect resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./266" [pid 7050] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7049] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7048] 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 7045] close(22 [pid 7044] close(21 [pid 3482] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7051 attached [pid 7050] symlink("/dev/binderfs", "./binderfs" [pid 7049] <... mprotect resumed>) = 0 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./267", 0777 [pid 7051] set_robust_list(0x7fa7c8c309e0, 24 [pid 7050] <... symlink resumed>) = 0 [pid 7049] 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 7048] <... clone resumed>, parent_tid=[563], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 563 [pid 7045] close(23 [pid 7044] close(22 [pid 3482] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7052 attached [pid 7051] <... set_robust_list resumed>) = 0 [pid 7050] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... 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 7053 attached [pid 7052] set_robust_list(0x7fa7c8c309e0, 24 [pid 7051] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7050] <... futex resumed>) = 0 [pid 7049] <... clone resumed>, parent_tid=[573], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 573 [pid 7048] <... futex resumed>) = 0 [pid 7045] close(24 [pid 7044] close(23 [pid 7053] set_robust_list(0x5555562645e0, 24 [pid 7052] <... set_robust_list resumed>) = 0 [pid 7051] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7049] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7048] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 536 [pid 7053] <... set_robust_list resumed>) = 0 [pid 7052] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7051] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7049] <... futex resumed>) = 0 [pid 7048] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7045] close(25 [pid 7044] close(24 [pid 7053] chdir("./267" [pid 7052] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7051] <... futex resumed>) = 0 [pid 7050] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7049] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7048] close(3 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7053] <... chdir resumed>) = 0 [pid 7052] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7051] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7050] <... mprotect resumed>) = 0 [pid 7049] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(26 [pid 7044] close(25 [pid 7053] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7052] <... futex resumed>) = 0 [pid 7050] 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 7049] close(3 [pid 7048] close(4 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7054 attached [pid 7053] <... prctl resumed>) = 0 [pid 7052] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(27 [pid 7044] close(26 [pid 7054] set_robust_list(0x7fa7c8c309e0, 24 [pid 7053] setpgid(0, 0 [pid 7050] <... clone resumed>, parent_tid=[559], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 559 [pid 7049] close(4 [pid 7048] close(5 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7054] <... set_robust_list resumed>) = 0 [pid 7053] <... setpgid resumed>) = 0 [pid 7050] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(28 [pid 7044] close(27 [pid 7054] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7053] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7050] <... futex resumed>) = 0 [pid 7049] close(5 [pid 7048] close(6 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7054] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7053] <... symlink resumed>) = 0 [pid 7050] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] close(29 [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7054] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7050] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7049] close(6 [pid 7048] close(7 [pid 7045] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] close(28 [pid 7054] <... futex resumed>) = 0 [pid 7053] <... symlink resumed>) = 0 [pid 7050] close(3 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7045] exit_group(0 [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7054] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7053] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(7 [pid 7048] close(8 [pid 7047] <... futex resumed>) = ? [pid 7045] <... exit_group resumed>) = ? [pid 7044] close(29 [pid 7053] <... symlink resumed>) = 0 [pid 7050] close(4 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7047] +++ exited with 0 +++ [pid 7053] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(8 [pid 7048] close(9 [pid 7045] +++ exited with 0 +++ [pid 7044] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7053] <... openat resumed>) = 3 [pid 7050] close(5 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7044] exit_group(0 [pid 7053] write(3, "1000", 4 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(9 [pid 7048] close(10 [pid 7046] <... futex resumed>) = ? [pid 7044] <... exit_group resumed>) = ? [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7053] <... write resumed>) = 4 [pid 7050] close(6 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7046] +++ exited with 0 +++ [pid 7044] +++ exited with 0 +++ [pid 3483] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] close(3 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(10 [pid 7048] close(11 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7053] <... close resumed>) = 0 [pid 7050] close(7 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7053] read(200, [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(11 [pid 7048] close(12 [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... openat resumed>) = 3 [pid 7053] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] close(8 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... restart_syscall resumed>) = 0 [pid 3483] fstat(3, [pid 7053] symlink("/dev/binderfs", "./binderfs" [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(12 [pid 7048] close(13 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7053] <... symlink resumed>) = 0 [pid 7050] close(9 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7053] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] close(14 [pid 7053] <... futex resumed>) = 0 [pid 7050] close(10 [pid 7049] close(13 [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] close(15 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7053] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7050] close(11 [pid 7049] close(14 [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] close(16 [pid 3487] <... openat resumed>) = 3 [pid 7053] <... mprotect resumed>) = 0 [pid 7050] close(12 [pid 7049] close(15 [pid 3487] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7053] 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 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] lstat("./274/binderfs", ./strace-static-x86_64: Process 7055 attached [pid 7050] close(13 [pid 7049] close(16 [pid 7048] close(17 [pid 3487] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7055] set_robust_list(0x7fa7c8c309e0, 24 [pid 7053] <... clone resumed>, parent_tid=[537], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 537 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7055] <... set_robust_list resumed>) = 0 [pid 7053] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7050] close(14 [pid 7049] close(17 [pid 7048] close(18 [pid 3487] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./274/binderfs" [pid 7055] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7053] <... futex resumed>) = 0 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7055] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(18 [pid 3487] lstat("./287/binderfs", [pid 7055] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7053] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7050] close(15 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] close(19 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7055] <... futex resumed>) = 0 [pid 7053] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(19 [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./287/binderfs" [pid 3483] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7055] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7053] close(3 [pid 7050] close(16 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] close(20 [pid 3487] <... unlink resumed>) = 0 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(20 [pid 3487] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(17 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7053] close(4 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(21 [pid 7048] close(21 [pid 3487] lstat("./287/cgroup", [pid 3483] lstat("./274/cgroup", [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(18 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7053] close(5 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(22 [pid 7048] close(22 [pid 3487] unlink("./287/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(19 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7049] close(23 [pid 3487] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./274/cgroup" [pid 7053] close(6 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7049] close(24 [pid 3487] lstat("./287/cgroup.net", [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(20 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7053] close(7 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(25 [pid 7048] close(24 [pid 3487] unlink("./287/cgroup.net" [pid 3483] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(21 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7053] close(8 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(26 [pid 7048] close(25 [pid 3487] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(22 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7053] close(9 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(27 [pid 7048] close(26 [pid 3487] lstat("./287/cgroup.cpu", [pid 3483] lstat("./274/cgroup.net", [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(23 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... 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 7053] close(10 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(28 [pid 7048] close(27 [pid 3487] unlink("./287/cgroup.cpu" [pid 3483] unlink("./274/cgroup.net" [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(24 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7053] close(11 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] close(29 [pid 7048] close(28 [pid 3483] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(25 [pid 7049] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7053] close(12 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7049] exit_group(0 [pid 7048] close(29 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./274/cgroup.cpu", [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7052] <... futex resumed>) = ? [pid 7050] close(26 [pid 7049] <... exit_group resumed>) = ? [pid 7048] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7053] close(13 [pid 7052] +++ exited with 0 +++ [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7048] exit_group(0 [pid 3483] unlink("./274/cgroup.cpu" [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(27 [pid 7049] +++ exited with 0 +++ [pid 7048] <... exit_group resumed>) = ? [pid 7051] <... futex resumed>) = -1 (errno 18446744073709551613) [pid 3487] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7053] close(14 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(28 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7053] close(15 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./287" [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3483] close(3 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] close(29 [pid 3486] <... restart_syscall resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 7053] close(16 [pid 7050] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./274" [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7051] +++ exited with 0 +++ [pid 7050] exit_group(0 [pid 7048] +++ exited with 0 +++ [pid 3487] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 7054] <... futex resumed>) = ? [pid 7053] close(17 [pid 7050] <... exit_group resumed>) = ? [pid 3487] mkdir("./288", 0777 [pid 3486] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] mkdir("./275", 0777 [pid 7054] +++ exited with 0 +++ [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7050] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 7053] close(18 [pid 3486] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7056 attached [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3486] <... openat resumed>) = 3 [pid 7056] set_robust_list(0x5555562645e0, 24 [pid 7053] close(19 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] fstat(3, [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 552 [pid 7056] <... set_robust_list resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7057 attached [pid 7056] chdir("./275" [pid 7053] close(20 [pid 3486] getdents64(3, [pid 3485] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7057] set_robust_list(0x5555562645e0, 24 [pid 7056] <... chdir resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 578 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7057] <... set_robust_list resumed>) = 0 [pid 7056] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7053] close(21 [pid 3486] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... openat resumed>) = 3 [pid 7057] chdir("./288" [pid 7056] <... prctl resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3484] fstat(3, [pid 7057] <... chdir resumed>) = 0 [pid 7056] setpgid(0, 0 [pid 7053] close(22 [pid 3486] lstat("./285/binderfs", [pid 3485] fstat(3, [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7057] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7056] <... setpgid resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] getdents64(3, [pid 7057] <... prctl resumed>) = 0 [pid 7056] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7053] close(23 [pid 3486] unlink("./285/binderfs" [pid 3485] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7057] setpgid(0, 0 [pid 7056] <... symlink resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7057] <... setpgid resumed>) = 0 [pid 7056] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7053] close(24 [pid 3486] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7057] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7056] <... symlink resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./278/binderfs", [pid 7056] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7053] close(25 [pid 3486] lstat("./285/cgroup", [pid 3485] lstat("./280/binderfs", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7057] <... symlink resumed>) = 0 [pid 7056] <... symlink resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [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] unlink("./278/binderfs" [pid 7057] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7056] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7053] close(26 [pid 3486] unlink("./285/cgroup" [pid 3485] unlink("./280/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 7057] <... symlink resumed>) = 0 [pid 7056] <... openat resumed>) = 3 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7057] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7056] write(3, "1000", 4 [pid 7053] close(27 [pid 3486] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7057] <... symlink resumed>) = 0 [pid 7056] <... write resumed>) = 4 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./278/cgroup", [pid 7057] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7056] close(3 [pid 7053] close(28 [pid 3486] lstat("./285/cgroup.net", [pid 3485] lstat("./280/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7057] <... openat resumed>) = 3 [pid 7056] <... close resumed>) = 0 [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./278/cgroup" [pid 7057] write(3, "1000", 4 [pid 7056] read(200, [pid 7053] close(29 [pid 3486] unlink("./285/cgroup.net" [pid 3485] unlink("./280/cgroup" [pid 3484] <... unlink resumed>) = 0 [pid 7057] <... write resumed>) = 4 [pid 7056] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7053] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7057] close(3 [pid 7056] symlink("/dev/binderfs", "./binderfs" [pid 7053] exit_group(0 [pid 3486] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7057] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7057] read(200, 0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7056] <... symlink resumed>) = 0 [pid 7057] symlink("/dev/binderfs", "./binderfs" [pid 7055] <... futex resumed>) = ? [pid 7053] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./278/cgroup.net", [pid 7057] <... symlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7057] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7055] +++ exited with 0 +++ [pid 7057] <... futex resumed>) = 0 [pid 7057] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa7c8c10000 [pid 7057] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7057] 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 7058 attached [pid 7053] +++ exited with 0 +++ [pid 7057] <... clone resumed>, parent_tid=[579], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 579 [pid 3486] lstat("./285/cgroup.cpu", [pid 7058] set_robust_list(0x7fa7c8c309e0, 24 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7057] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7056] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./280/cgroup.net", [pid 7058] <... set_robust_list resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=536, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3484] unlink("./278/cgroup.net" [pid 7058] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7057] <... futex resumed>) = 0 [pid 7056] <... futex resumed>) = 0 [pid 3486] unlink("./285/cgroup.cpu" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7058] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7057] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7056] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... unlink resumed>) = 0 [pid 7056] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] unlink("./280/cgroup.net" [pid 7058] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 1 [pid 7057] <... futex resumed>) = 0 [pid 7056] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] getdents64(3, [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./267", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7058] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] close(3 [pid 7056] <... mprotect resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] 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] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./278/cgroup.cpu", [pid 3482] openat(AT_FDCWD, "./267", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7057] close(4 [pid 3486] <... close resumed>) = 0 [pid 3485] lstat("./280/cgroup.cpu", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7059 attached [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... clone resumed>, parent_tid=[553], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 553 [pid 3486] rmdir("./285" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./278/cgroup.cpu" [pid 3482] fstat(3, [pid 7059] set_robust_list(0x7fa7c8c309e0, 24 [pid 7057] close(5 [pid 7056] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7059] <... set_robust_list resumed>) = 0 [pid 7059] ioctl(-1, LOOP_CTL_ADD, 0) = -1 EBADF (Bad file descriptor) [pid 7059] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7059] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] <... rmdir resumed>) = 0 [pid 3485] unlink("./280/cgroup.cpu" [pid 7059] <... futex resumed>) = 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... futex resumed>) = 1 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7059] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7057] close(6 [pid 7056] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] mkdir("./286", 0777 [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3482] getdents64(3, [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7057] close(7 [pid 7056] close(3 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] close(3 [pid 3484] close(3 [pid 3482] umount2("./267/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7060 attached [pid 7057] close(8 [pid 7056] close(4 [pid 3485] <... close resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7060] set_robust_list(0x5555562645e0, 24 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 574 [pid 3485] rmdir("./280" [pid 3484] rmdir("./278" [pid 3482] lstat("./267/binderfs", [pid 7060] <... set_robust_list resumed>) = 0 [pid 7057] close(9 [pid 7056] close(5 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7060] chdir("./286" [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./281", 0777 [pid 3484] mkdir("./279", 0777 [pid 3482] unlink("./267/binderfs" [pid 7060] <... chdir resumed>) = 0 [pid 7057] close(10 [pid 7056] close(6 [pid 3485] <... mkdir resumed>) = 0 [pid 7060] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 7060] <... prctl resumed>) = 0 [pid 7060] setpgid(0, 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(7 [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 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7061 attached [pid 7060] <... setpgid resumed>) = 0 [pid 7057] close(11 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7062 attached [pid 7061] set_robust_list(0x5555562645e0, 24 [pid 7060] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(8 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 564 [pid 3482] umount2("./267/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7062] set_robust_list(0x5555562645e0, 24 [pid 7061] <... set_robust_list resumed>) = 0 [pid 7060] <... symlink resumed>) = 0 [pid 7057] close(12 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 560 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7062] <... set_robust_list resumed>) = 0 [pid 7061] chdir("./281" [pid 7060] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(9 [pid 3482] lstat("./267/cgroup", [pid 7062] chdir("./279" [pid 7061] <... chdir resumed>) = 0 [pid 7060] <... symlink resumed>) = 0 [pid 7057] close(13 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... chdir resumed>) = 0 [pid 7061] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7060] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(10 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7062] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7061] <... prctl resumed>) = 0 [pid 7060] <... symlink resumed>) = 0 [pid 7057] close(14 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... prctl resumed>) = 0 [pid 7061] setpgid(0, 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(11 [pid 7060] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3482] unlink("./267/cgroup" [pid 7062] setpgid(0, 0 [pid 7061] <... setpgid resumed>) = 0 [pid 7060] <... openat resumed>) = 3 [pid 7057] close(15 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7062] <... setpgid resumed>) = 0 [pid 7061] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7060] write(3, "1000", 4 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(12 [pid 3482] umount2("./267/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7062] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7057] close(16 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7062] <... symlink resumed>) = 0 [pid 7061] <... symlink resumed>) = 0 [pid 7060] <... write resumed>) = 4 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(13 [pid 3482] lstat("./267/cgroup.net", [pid 7062] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7061] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7060] close(3 [pid 7057] close(17 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7062] <... symlink resumed>) = 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(14 [pid 3482] unlink("./267/cgroup.net" [pid 7062] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7061] <... symlink resumed>) = 0 [pid 7060] <... close resumed>) = 0 [pid 7057] close(18 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7062] <... symlink resumed>) = 0 [pid 7061] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7060] read(200, [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(15 [pid 3482] umount2("./267/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7062] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7061] <... symlink resumed>) = 0 [pid 7060] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7057] close(19 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7062] <... openat resumed>) = 3 [pid 7061] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7060] symlink("/dev/binderfs", "./binderfs" [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(16 [pid 3482] lstat("./267/cgroup.cpu", [pid 7062] write(3, "1000", 4 [pid 7057] close(20 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7062] <... write resumed>) = 4 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(17 [pid 3482] unlink("./267/cgroup.cpu" [pid 7062] close(3 [pid 7061] <... openat resumed>) = 3 [pid 7060] <... symlink resumed>) = 0 [pid 7057] close(21 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7062] <... close resumed>) = 0 [pid 7061] write(3, "1000", 4 [pid 7060] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(18 [pid 3482] getdents64(3, [pid 7062] read(200, [pid 7061] <... write resumed>) = 4 [pid 7060] <... futex resumed>) = 0 [pid 7057] close(22 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7062] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] close(3 [pid 7060] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(19 [pid 3482] close(3 [pid 7062] symlink("/dev/binderfs", "./binderfs" [pid 7061] <... close resumed>) = 0 [pid 7060] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7057] close(23 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7062] <... symlink resumed>) = 0 [pid 7061] read(200, [pid 7060] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(20 [pid 3482] rmdir("./267" [pid 7062] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7060] <... mprotect resumed>) = 0 [pid 7057] close(24 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7061] symlink("/dev/binderfs", "./binderfs" [pid 7060] 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 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(21 [pid 3482] mkdir("./268", 0777./strace-static-x86_64: Process 7063 attached [pid 7062] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7061] <... symlink resumed>) = 0 [pid 7057] close(25 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 7063] set_robust_list(0x7fa7c8c309e0, 24 [pid 7062] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7061] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] <... clone resumed>, parent_tid=[575], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 575 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(22 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7063] <... set_robust_list resumed>) = 0 [pid 7062] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7061] <... futex resumed>) = 0 [pid 7060] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7057] close(26 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7063] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7062] <... mprotect resumed>) = 0 [pid 7061] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7060] <... futex resumed>) = 0 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(23./strace-static-x86_64: Process 7064 attached [pid 7063] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] 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 7061] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7060] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7057] close(27 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7065 attached [pid 7064] set_robust_list(0x5555562645e0, 24 [pid 7063] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7060] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 538 [pid 7065] set_robust_list(0x7fa7c8c309e0, 24 [pid 7064] <... set_robust_list resumed>) = 0 [pid 7063] <... futex resumed>) = 0 [pid 7062] <... clone resumed>, parent_tid=[561], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 561 [pid 7061] <... mprotect resumed>) = 0 [pid 7060] close(3 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(24 [pid 7065] <... set_robust_list resumed>) = 0 [pid 7064] chdir("./268" [pid 7063] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7062] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] 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 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7057] close(28 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7066 attached [pid 7065] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7064] <... chdir resumed>) = 0 [pid 7062] <... futex resumed>) = 0 [pid 7060] close(4 [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(25 [pid 7066] set_robust_list(0x7fa7c8c309e0, 24 [pid 7065] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7062] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] <... clone resumed>, parent_tid=[565], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 565 [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7057] close(29 [pid 7066] <... set_robust_list resumed>) = 0 [pid 7065] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... prctl resumed>) = 0 [pid 7062] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7060] close(5 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7057] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7066] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7065] <... futex resumed>) = 0 [pid 7064] setpgid(0, 0 [pid 7062] close(3 [pid 7061] <... futex resumed>) = 0 [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7066] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7065] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7064] <... setpgid resumed>) = 0 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7060] close(6 [pid 7057] exit_group(0 [pid 7056] close(26 [pid 7066] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7062] close(4 [pid 7061] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7058] <... futex resumed>) = ? [pid 7057] <... exit_group resumed>) = ? [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7066] <... futex resumed>) = 0 [pid 7064] <... symlink resumed>) = 0 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] close(3 [pid 7060] close(7 [pid 7058] +++ exited with 0 +++ [pid 7057] +++ exited with 0 +++ [pid 7056] close(27 [pid 7066] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7064] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] <... symlink resumed>) = 0 [pid 7062] close(5 [pid 7061] close(4 [pid 7060] close(8 [pid 7056] close(28 [pid 7064] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7064] <... symlink resumed>) = 0 [pid 7062] close(6 [pid 7061] close(5 [pid 7060] close(9 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] close(29 [pid 7064] <... openat resumed>) = 3 [pid 7062] close(7 [pid 7061] close(6 [pid 7060] close(10 [pid 7056] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] write(3, "1000", 4 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7056] exit_group(0 [pid 3487] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... write resumed>) = 4 [pid 7062] close(8 [pid 7061] close(7 [pid 7060] close(11 [pid 7056] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7064] close(3 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7059] <... futex resumed>) = ? [pid 7064] <... close resumed>) = 0 [pid 7061] close(8 [pid 7060] close(12 [pid 7064] read(200, [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] close(9 [pid 7060] close(13 [pid 3487] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7062] close(9 [pid 7064] symlink("/dev/binderfs", "./binderfs" [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] <... symlink resumed>) = 0 [pid 7061] close(10 [pid 7060] close(14 [pid 3487] <... openat resumed>) = 3 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] close(10 [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7059] +++ exited with 0 +++ [pid 7056] +++ exited with 0 +++ [pid 3487] fstat(3, [pid 7064] <... futex resumed>) = 0 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] close(11 [pid 7060] close(15 [pid 7064] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... 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=552, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7064] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7062] close(11 [pid 7061] close(12 [pid 7060] close(16 [pid 7064] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 7064] <... mprotect resumed>) = 0 [pid 7062] close(12 [pid 7061] close(13 [pid 7060] close(17 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7064] 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 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7067 attached [pid 7062] close(13 [pid 7061] close(14 [pid 7060] close(18 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7067] set_robust_list(0x7fa7c8c309e0, 24 [pid 7064] <... clone resumed>, parent_tid=[539], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 539 [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7067] <... set_robust_list resumed>) = 0 [pid 7064] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] close(15 [pid 7060] close(19 [pid 3487] lstat("./288/binderfs", [pid 7067] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7064] <... futex resumed>) = 0 [pid 7062] close(14 [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7067] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7064] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7061] close(16 [pid 7060] close(20 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7067] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7064] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./288/binderfs" [pid 3483] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7067] <... futex resumed>) = 0 [pid 7064] close(3 [pid 7062] close(15 [pid 7061] close(17 [pid 7060] close(21 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7067] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7064] close(4 [pid 7062] close(16 [pid 7061] close(18 [pid 7060] close(22 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... openat resumed>) = 3 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./288/cgroup", [pid 3483] fstat(3, [pid 7064] close(5 [pid 7062] close(17 [pid 7061] close(19 [pid 7060] close(23 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./288/cgroup" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7064] close(6 [pid 7062] close(18 [pid 7061] close(20 [pid 7060] close(24 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 7064] close(7 [pid 7062] close(19 [pid 7061] close(21 [pid 7060] close(25 [pid 3487] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7064] close(8 [pid 7062] close(20 [pid 7061] close(22 [pid 7060] close(26 [pid 3487] lstat("./288/cgroup.net", [pid 3483] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7064] close(9 [pid 7062] close(21 [pid 7061] close(23 [pid 7060] close(27 [pid 3487] unlink("./288/cgroup.net" [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./275/binderfs", [pid 7064] close(10 [pid 7061] close(24 [pid 7060] close(28 [pid 3487] <... unlink resumed>) = 0 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7064] close(11 [pid 7062] close(22 [pid 7061] close(25 [pid 7060] close(29 [pid 3487] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./275/binderfs" [pid 7064] close(12 [pid 7062] close(23 [pid 7061] close(26 [pid 7060] exit_group(0 [pid 3487] lstat("./288/cgroup.cpu", [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7063] <... futex resumed>) = ? [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7064] close(13 [pid 7063] +++ exited with 0 +++ [pid 7062] close(24 [pid 7061] close(27 [pid 3487] unlink("./288/cgroup.cpu" [pid 3483] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7060] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7064] close(14 [pid 7062] close(25 [pid 7061] close(28 [pid 3487] getdents64(3, [pid 3483] lstat("./275/cgroup", [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7064] close(15 [pid 7062] close(26 [pid 7061] close(29 [pid 3487] close(3 [pid 3483] unlink("./275/cgroup" [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7064] close(16 [pid 7062] close(27 [pid 7061] exit_group(0 [pid 3487] rmdir("./288" [pid 3483] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7066] <... futex resumed>) = ? [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7061] <... exit_group resumed>) = ? [pid 3487] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7066] +++ exited with 0 +++ [pid 7064] close(17 [pid 7062] close(28 [pid 7061] +++ exited with 0 +++ [pid 3487] mkdir("./289", 0777 [pid 3486] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./275/cgroup.net", [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7064] close(18 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 7064] close(19 [pid 3486] fstat(3, [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] close(29 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7064] close(20 [pid 7062] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] getdents64(3, [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] exit_group(0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./275/cgroup.net"./strace-static-x86_64: Process 7068 attached [pid 7065] <... futex resumed>) = ? [pid 7064] close(21 [pid 7062] <... exit_group resumed>) = ? [pid 3486] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7068] set_robust_list(0x5555562645e0, 24 [pid 7065] +++ exited with 0 +++ [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... unlink resumed>) = 0 [pid 7068] <... set_robust_list resumed>) = 0 [pid 7064] close(22 [pid 3486] lstat("./286/binderfs", [pid 3485] <... openat resumed>) = 3 [pid 7068] chdir("./289" [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7062] +++ exited with 0 +++ [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 580 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] fstat(3, [pid 3483] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7068] <... chdir resumed>) = 0 [pid 7064] close(23 [pid 3486] unlink("./286/binderfs" [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7068] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7068] <... prctl resumed>) = 0 [pid 7064] close(24 [pid 3486] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... restart_syscall resumed>) = 0 [pid 7068] setpgid(0, 0 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./275/cgroup.cpu", [pid 7068] <... setpgid resumed>) = 0 [pid 7064] close(25 [pid 3486] lstat("./286/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7068] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] lstat("./281/binderfs", [pid 3484] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7068] <... symlink resumed>) = 0 [pid 7064] close(26 [pid 3486] unlink("./286/cgroup" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./275/cgroup.cpu" [pid 7068] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./281/binderfs" [pid 3484] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... unlink resumed>) = 0 [pid 7068] <... symlink resumed>) = 0 [pid 7064] close(27 [pid 3486] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] getdents64(3, 0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] close(3 [pid 7068] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] fstat(3, [pid 3483] <... close resumed>) = 0 [pid 7068] <... symlink resumed>) = 0 [pid 7064] close(28 [pid 3486] lstat("./286/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] rmdir("./275" [pid 7068] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./281/cgroup", [pid 3484] getdents64(3, [pid 7068] <... openat resumed>) = 3 [pid 7064] close(29 [pid 3486] unlink("./286/cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... rmdir resumed>) = 0 [pid 7068] write(3, "1000", 4 [pid 7064] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./281/cgroup" [pid 3484] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./276", 0777 [pid 7068] <... write resumed>) = 4 [pid 7064] exit_group(0 [pid 3486] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7068] close(3 [pid 7067] <... futex resumed>) = ? [pid 7064] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./279/binderfs", [pid 7068] <... close resumed>) = 0 [pid 7067] +++ exited with 0 +++ [pid 7064] +++ exited with 0 +++ [pid 3486] lstat("./286/cgroup.cpu", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7068] read(200, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./281/cgroup.net", [pid 3484] unlink("./279/binderfs" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=538, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7068] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] unlink("./286/cgroup.cpu" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7069 attached [pid 7068] symlink("/dev/binderfs", "./binderfs" [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./281/cgroup.net" [pid 3484] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7069] set_robust_list(0x5555562645e0, 24 [pid 7068] <... symlink resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7069] <... set_robust_list resumed>) = 0 [pid 7068] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./279/cgroup", [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 554 [pid 7069] chdir("./276" [pid 7068] <... futex resumed>) = 0 [pid 3486] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7069] <... chdir resumed>) = 0 [pid 7068] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... close resumed>) = 0 [pid 3485] lstat("./281/cgroup.cpu", [pid 3484] unlink("./279/cgroup" [pid 3482] umount2("./268", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7069] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7068] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] rmdir("./286" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7069] <... prctl resumed>) = 0 [pid 7068] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7069] setpgid(0, 0 [pid 7068] <... mprotect resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] unlink("./281/cgroup.cpu" [pid 3484] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./268", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7069] <... setpgid resumed>) = 0 [pid 7068] 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] mkdir("./287", 0777 [pid 3485] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7070 attached [pid 7069] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 3486] <... mkdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 7070] set_robust_list(0x7fa7c8c309e0, 24 [pid 7069] <... symlink resumed>) = 0 [pid 7068] <... clone resumed>, parent_tid=[581], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 581 [pid 3484] lstat("./279/cgroup.net", [pid 3482] fstat(3, [pid 7070] <... set_robust_list resumed>) = 0 [pid 7069] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7068] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [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] <... 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 7070] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7069] <... symlink resumed>) = 0 [pid 7068] <... futex resumed>) = 0 [pid 3484] unlink("./279/cgroup.net"./strace-static-x86_64: Process 7071 attached [pid 7070] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 3485] close(3 [pid 3482] getdents64(3, [pid 7071] set_robust_list(0x5555562645e0, 24 [pid 7070] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7071] <... set_robust_list resumed>) = 0 [pid 7070] <... futex resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7071] chdir("./287" [pid 7070] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7069] <... symlink resumed>) = 0 [pid 7068] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 576 [pid 3485] rmdir("./281" [pid 3484] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./268/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7071] <... chdir resumed>) = 0 [pid 7069] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7068] close(3 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7071] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7069] <... openat resumed>) = 3 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./282", 0777 [pid 3484] lstat("./279/cgroup.cpu", [pid 3482] lstat("./268/binderfs", [pid 7071] <... prctl resumed>) = 0 [pid 7069] write(3, "1000", 4 [pid 7068] close(4 [pid 3485] <... mkdir resumed>) = 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 7071] setpgid(0, 0 [pid 7069] <... write resumed>) = 4 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] unlink("./279/cgroup.cpu" [pid 3482] unlink("./268/binderfs"./strace-static-x86_64: Process 7072 attached [pid 7071] <... setpgid resumed>) = 0 [pid 7069] close(3 [pid 7068] close(5 [pid 3484] <... unlink resumed>) = 0 [pid 7072] set_robust_list(0x5555562645e0, 24 [pid 7071] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7069] <... close resumed>) = 0 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 566 [pid 3484] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 7072] <... set_robust_list resumed>) = 0 [pid 7069] read(200, [pid 7068] close(6 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] umount2("./268/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7072] chdir("./282" [pid 7071] <... symlink resumed>) = 0 [pid 7069] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7072] <... chdir resumed>) = 0 [pid 7069] symlink("/dev/binderfs", "./binderfs" [pid 7068] close(7 [pid 3484] <... close resumed>) = 0 [pid 3482] lstat("./268/cgroup", [pid 7072] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7071] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7069] <... symlink resumed>) = 0 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./279" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7072] <... prctl resumed>) = 0 [pid 7071] <... symlink resumed>) = 0 [pid 7069] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] close(8 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] unlink("./268/cgroup" [pid 7072] setpgid(0, 0 [pid 7071] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7069] <... futex resumed>) = 0 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./280", 0777 [pid 3482] <... unlink resumed>) = 0 [pid 7072] <... setpgid resumed>) = 0 [pid 7071] <... symlink resumed>) = 0 [pid 7069] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7068] close(9 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] umount2("./268/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7072] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7071] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7069] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7073 attached [pid 7072] <... symlink resumed>) = 0 [pid 7071] <... openat resumed>) = 3 [pid 7069] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7068] close(10 [pid 3482] lstat("./268/cgroup.net", [pid 7071] write(3, "1000", 4 [pid 7069] <... mprotect resumed>) = 0 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] set_robust_list(0x5555562645e0, 24 [pid 7072] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7071] <... write resumed>) = 4 [pid 7069] 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 7068] close(11 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 562 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7074 attached [pid 7073] <... set_robust_list resumed>) = 0 [pid 7072] <... symlink resumed>) = 0 [pid 7071] close(3 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./268/cgroup.net" [pid 7074] set_robust_list(0x7fa7c8c309e0, 24 [pid 7073] chdir("./280" [pid 7071] <... close resumed>) = 0 [pid 7074] <... set_robust_list resumed>) = 0 [pid 7072] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7071] read(200, [pid 7069] <... clone resumed>, parent_tid=[555], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 555 [pid 7068] close(12 [pid 7074] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] <... chdir resumed>) = 0 [pid 7072] <... symlink resumed>) = 0 [pid 7069] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] <... unlink resumed>) = 0 [pid 7074] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7073] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7072] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7069] <... futex resumed>) = 0 [pid 7068] close(13 [pid 3482] umount2("./268/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7074] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7073] <... prctl resumed>) = 0 [pid 7072] <... openat resumed>) = 3 [pid 7071] symlink("/dev/binderfs", "./binderfs" [pid 7069] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7074] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] setpgid(0, 0 [pid 7072] write(3, "1000", 4 [pid 7068] close(14 [pid 3482] lstat("./268/cgroup.cpu", [pid 7074] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... setpgid resumed>) = 0 [pid 7072] <... write resumed>) = 4 [pid 7071] <... symlink resumed>) = 0 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7074] <... futex resumed>) = 1 [pid 7073] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7072] close(3 [pid 7071] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... futex resumed>) = 0 [pid 7068] close(15 [pid 3482] unlink("./268/cgroup.cpu" [pid 7074] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] <... symlink resumed>) = 0 [pid 7072] <... close resumed>) = 0 [pid 7071] <... futex resumed>) = 0 [pid 7069] close(3 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7073] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7072] read(200, [pid 7071] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(16 [pid 3482] getdents64(3, [pid 7073] <... symlink resumed>) = 0 [pid 7072] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7069] close(4 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7073] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7072] symlink("/dev/binderfs", "./binderfs" [pid 7071] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(17 [pid 3482] close(3 [pid 7073] <... symlink resumed>) = 0 [pid 7072] <... symlink resumed>) = 0 [pid 7071] <... mprotect resumed>) = 0 [pid 7069] close(5 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7073] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7072] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(18 [pid 3482] rmdir("./268" [pid 7073] <... openat resumed>) = 3 [pid 7072] <... futex resumed>) = 0 [pid 7071] 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 7069] close(6 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7075 attached [pid 7073] write(3, "1000", 4 [pid 7072] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(19 [pid 3482] mkdir("./269", 0777 [pid 7075] set_robust_list(0x7fa7c8c309e0, 24 [pid 7073] <... write resumed>) = 4 [pid 7072] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7071] <... clone resumed>, parent_tid=[577], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 577 [pid 7069] close(7 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7075] <... set_robust_list resumed>) = 0 [pid 7073] close(3 [pid 7072] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7071] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(20 [pid 3482] <... mkdir resumed>) = 0 [pid 7075] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7073] <... close resumed>) = 0 [pid 7072] <... mprotect resumed>) = 0 [pid 7071] <... futex resumed>) = 0 [pid 7069] close(8 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7075] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] read(200, [pid 7072] 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 7071] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(21./strace-static-x86_64: Process 7076 attached [pid 7075] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7077 attached [pid 7076] set_robust_list(0x5555562645e0, 24 [pid 7075] <... futex resumed>) = 1 [pid 7073] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] <... futex resumed>) = 0 [pid 7069] close(9 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 540 [pid 7077] set_robust_list(0x7fa7c8c309e0, 24 [pid 7076] <... set_robust_list resumed>) = 0 [pid 7075] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7073] symlink("/dev/binderfs", "./binderfs" [pid 7072] <... clone resumed>, parent_tid=[567], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 567 [pid 7071] close(3 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(22 [pid 7077] <... set_robust_list resumed>) = 0 [pid 7076] chdir("./269") = 0 [pid 7073] <... symlink resumed>) = 0 [pid 7077] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7076] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7072] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(10 [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7077] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... prctl resumed>) = 0 [pid 7072] <... futex resumed>) = 0 [pid 7071] close(4 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] close(23 [pid 7077] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] setpgid(0, 0 [pid 7073] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7069] close(11 [pid 7077] <... futex resumed>) = 0 [pid 7076] <... setpgid resumed>) = 0 [pid 7073] <... futex resumed>) = 0 [pid 7072] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7071] close(5 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7077] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7076] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7073] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7072] close(3 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(12 [pid 7068] close(24 [pid 7073] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... symlink resumed>) = 0 [pid 7073] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7072] close(4 [pid 7071] close(6 [pid 7069] close(13 [pid 7068] close(25 [pid 7073] <... mprotect resumed>) = 0 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] 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 7072] close(5 [pid 7069] close(14 [pid 7068] close(26./strace-static-x86_64: Process 7078 attached [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7078] set_robust_list(0x7fa7c8c309e0, 24 [pid 7073] <... clone resumed>, parent_tid=[563], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 563 [pid 7072] close(6 [pid 7069] close(15 [pid 7068] close(27 [pid 7078] <... set_robust_list resumed>) = 0 [pid 7076] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7073] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(7 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7078] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7073] <... futex resumed>) = 0 [pid 7072] close(7 [pid 7069] close(16 [pid 7068] close(28 [pid 7078] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... symlink resumed>) = 0 [pid 7073] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7078] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7073] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7072] close(8 [pid 7071] close(8 [pid 7069] close(17 [pid 7068] close(29 [pid 7078] <... futex resumed>) = 0 [pid 7073] close(3 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7078] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7076] <... symlink resumed>) = 0 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(9 [pid 7069] close(18 [pid 7068] exit_group(0 [pid 7073] close(4 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7070] <... futex resumed>) = ? [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7068] <... exit_group resumed>) = ? [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(10 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7070] +++ exited with 0 +++ [pid 7076] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7069] close(19 [pid 7068] +++ exited with 0 +++ [pid 7073] close(5 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(9 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... openat resumed>) = 3 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(11 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(20 [pid 7076] write(3, "1000", 4 [pid 7073] close(6 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(10 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7076] <... write resumed>) = 4 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(12 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(21 [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 7076] close(3 [pid 7073] close(7 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(11 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... close resumed>) = 0 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(13 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(22 [pid 3487] <... restart_syscall resumed>) = 0 [pid 7076] read(200, [pid 7073] close(8 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(12 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(14 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(23 [pid 7076] symlink("/dev/binderfs", "./binderfs" [pid 7073] close(9 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(13 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] <... symlink resumed>) = 0 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(15 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] close(10 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(14 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7076] <... futex resumed>) = 0 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(16 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(25 [pid 7076] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7073] close(11 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(15 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 7076] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(17 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(26 [pid 3487] fstat(3, [pid 7076] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7073] close(12 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(16 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... mprotect resumed>) = 0 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(18 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(27 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7076] 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 7073] close(13 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(17 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7079 attached [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(19 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(28 [pid 3487] getdents64(3, [pid 7079] set_robust_list(0x7fa7c8c309e0, 24 [pid 7076] <... clone resumed>, parent_tid=[541], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 541 [pid 7073] close(14 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(18 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7079] <... set_robust_list resumed>) = 0 [pid 7076] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(20 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] close(29 [pid 3487] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7079] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7076] <... futex resumed>) = 0 [pid 7073] close(15 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(19 [pid 7069] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7079] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(21 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7069] exit_group(0 [pid 7079] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7076] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7073] close(16 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(20 [pid 7069] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7079] <... futex resumed>) = 0 [pid 7076] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7074] <... futex resumed>) = ? [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(22 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./289/binderfs", [pid 7079] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7076] close(3 [pid 7073] close(17 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(21 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(23 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7074] +++ exited with 0 +++ [pid 7073] close(18 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(22 [pid 7069] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7076] close(4 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(24 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./289/binderfs" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(19 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(23 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(25 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7076] close(5) = -1 EBADF (Bad file descriptor) [pid 7073] close(20 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(24 [pid 3487] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] close(6 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(26 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(21 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(25 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] close(7 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(27 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./289/cgroup", [pid 3483] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(22 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(26 [pid 7076] close(8 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(28 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(23 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(27 [pid 3487] unlink("./289/cgroup" [pid 3483] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7076] close(9 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] close(29 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(24 [pid 7072] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] close(28 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] exit_group(0 [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7077] <... futex resumed>) = ? [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(25 [pid 7072] <... exit_group resumed>) = ? [pid 7071] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 7077] +++ exited with 0 +++ [pid 7076] close(10 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7072] +++ exited with 0 +++ [pid 7071] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(26 [pid 7071] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7076] close(11 [pid 7075] <... futex resumed>) = ? [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7071] <... exit_group resumed>) = ? [pid 3487] lstat("./289/cgroup.net", [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7075] +++ exited with 0 +++ [pid 7073] close(27 [pid 7071] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7076] close(12 [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./289/cgroup.net" [pid 3485] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] close(28 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7076] close(13 [pid 7073] close(29 [pid 3487] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] fstat(3, [pid 3483] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] close(14 [pid 7073] exit_group(0 [pid 3487] lstat("./289/cgroup.cpu", [pid 3486] <... openat resumed>) = 3 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7078] <... futex resumed>) = ? [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] <... exit_group resumed>) = ? [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./276/binderfs", [pid 7078] +++ exited with 0 +++ [pid 7076] close(15 [pid 3487] unlink("./289/cgroup.cpu" [pid 3486] fstat(3, [pid 3485] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] unlink("./276/binderfs" [pid 7076] close(16 [pid 3487] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7073] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] close(17 [pid 3487] close(3 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3486] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./276/cgroup", [pid 7076] close(18 [pid 3487] rmdir("./289" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./282/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3486] lstat("./287/binderfs", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./276/cgroup" [pid 7076] close(19 [pid 3487] mkdir("./290", 0777 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./282/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3486] unlink("./287/binderfs" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7076] close(20 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./276/cgroup.net", ./strace-static-x86_64: Process 7080 attached [pid 7076] close(21 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 582 [pid 3486] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./282/cgroup", [pid 3484] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7080] set_robust_list(0x5555562645e0, 24 [pid 7076] <... 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 3484] <... openat resumed>) = 3 [pid 3483] unlink("./276/cgroup.net" [pid 7080] <... set_robust_list resumed>) = 0 [pid 7076] close(22 [pid 3486] lstat("./287/cgroup", [pid 3485] unlink("./282/cgroup" [pid 3484] fstat(3, [pid 3483] <... unlink resumed>) = 0 [pid 7080] chdir("./290" [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7080] <... chdir resumed>) = 0 [pid 7076] close(23 [pid 3486] unlink("./287/cgroup" [pid 3485] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7080] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./276/cgroup.cpu", [pid 7080] <... prctl resumed>) = 0 [pid 7076] close(24 [pid 3486] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./282/cgroup.net", [pid 3484] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7080] setpgid(0, 0 [pid 7076] <... 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=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./276/cgroup.cpu" [pid 7076] close(25 [pid 3485] unlink("./282/cgroup.net" [pid 3484] lstat("./280/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./287/cgroup.net", [pid 3485] <... unlink resumed>) = 0 [pid 7080] <... setpgid resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] getdents64(3, [pid 7076] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./280/binderfs" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7080] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./287/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] close(3 [pid 7080] <... symlink resumed>) = 0 [pid 7076] close(27 [pid 3485] lstat("./282/cgroup.cpu", [pid 3484] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... close resumed>) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] rmdir("./276" [pid 7080] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7076] close(28 [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./282/cgroup.cpu" [pid 3484] lstat("./280/cgroup", [pid 3483] <... rmdir resumed>) = 0 [pid 7080] <... symlink resumed>) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] mkdir("./277", 0777 [pid 7080] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7076] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 7080] <... symlink resumed>) = 0 [pid 7076] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./287/cgroup.cpu", [pid 3484] unlink("./280/cgroup" [pid 3483] <... mkdir resumed>) = 0 [pid 7080] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7076] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7080] <... openat resumed>) = 3 [pid 3486] unlink("./287/cgroup.cpu" [pid 7080] write(3, "1000", 4 [pid 7079] <... futex resumed>) = ? [pid 7076] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7080] <... write resumed>) = 4 [pid 7079] +++ exited with 0 +++ [pid 3486] getdents64(3, [pid 7080] close(3 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7080] <... close resumed>) = 0 [pid 3486] close(3 [pid 3485] <... close resumed>) = 0 [pid 3484] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7080] read(200, [pid 3486] <... close resumed>) = 0 [pid 7080] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] rmdir("./287" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7081 attached [pid 7080] symlink("/dev/binderfs", "./binderfs" [pid 7076] +++ exited with 0 +++ [pid 3486] <... rmdir resumed>) = 0 [pid 3485] rmdir("./282" [pid 3484] lstat("./280/cgroup.net", [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 556 [pid 7081] set_robust_list(0x5555562645e0, 24 [pid 7080] <... symlink resumed>) = 0 [pid 3486] mkdir("./288", 0777 [pid 7081] <... set_robust_list resumed>) = 0 [pid 7080] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7081] chdir("./277" [pid 7080] <... futex resumed>) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] mkdir("./283", 0777 [pid 3484] unlink("./280/cgroup.net" [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=540, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7081] <... chdir resumed>) = 0 [pid 7080] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0./strace-static-x86_64: Process 7082 attached ) = 0x7fa7c8c10000 [pid 7080] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 578 [pid 7080] <... mprotect resumed>) = 0 [pid 7080] 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 7083 attached [pid 7082] set_robust_list(0x5555562645e0, 24 [pid 7081] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] umount2("./269", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7083] set_robust_list(0x7fa7c8c309e0, 24 [pid 7080] <... clone resumed>, parent_tid=[583], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 583 [pid 7083] <... set_robust_list resumed>) = 0 [pid 7080] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7083] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7080] <... futex resumed>) = 0 [pid 7083] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7083] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] <... set_robust_list resumed>) = 0 [pid 7081] <... prctl resumed>) = 0 [pid 7080] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7083] <... futex resumed>) = 0 [pid 7082] chdir("./288" [pid 7081] setpgid(0, 0 [pid 7080] close(3 [pid 7083] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] close(4./strace-static-x86_64: Process 7084 attached [pid 7081] <... setpgid resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./269", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7082] <... chdir resumed>) = 0 [pid 7084] set_robust_list(0x5555562645e0, 24 [pid 7080] close(5 [pid 7084] <... set_robust_list resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./280/cgroup.cpu", [pid 3482] <... openat resumed>) = 3 [pid 7084] chdir("./283" [pid 7082] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7081] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7080] close(6 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 568 [pid 7084] <... chdir resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] fstat(3, [pid 7084] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7081] <... symlink resumed>) = 0 [pid 7080] close(7 [pid 3484] unlink("./280/cgroup.cpu" [pid 7084] <... prctl resumed>) = 0 [pid 7082] <... prctl resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7084] setpgid(0, 0 [pid 7080] close(8 [pid 7084] <... setpgid resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 7084] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7082] setpgid(0, 0 [pid 7081] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7080] close(9 [pid 3484] getdents64(3, [pid 3482] getdents64(3, [pid 7084] <... symlink resumed>) = 0 [pid 7082] <... setpgid resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7080] close(10 [pid 7084] <... symlink resumed>) = 0 [pid 7082] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7081] <... symlink resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7084] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7082] <... symlink resumed>) = 0 [pid 7080] close(11 [pid 7084] <... symlink resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3482] umount2("./269/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7084] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7082] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7081] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7080] close(12 [pid 7084] <... openat resumed>) = 3 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7084] write(3, "1000", 4 [pid 7080] close(13 [pid 7084] <... write resumed>) = 4 [pid 7081] <... symlink resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./280" [pid 3482] lstat("./269/binderfs", [pid 7084] close(3 [pid 7080] close(14 [pid 7084] <... close resumed>) = 0 [pid 7082] <... symlink resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] read(200, [pid 7080] close(15 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7084] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7081] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 7084] symlink("/dev/binderfs", "./binderfs" [pid 7082] <... symlink resumed>) = 0 [pid 7081] <... openat resumed>) = 3 [pid 7080] close(16 [pid 3484] mkdir("./281", 0777 [pid 3482] unlink("./269/binderfs" [pid 7084] <... symlink resumed>) = 0 [pid 7082] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7081] write(3, "1000", 4 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7084] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] <... openat resumed>) = 3 [pid 7081] <... write resumed>) = 4 [pid 7080] close(17 [pid 7084] <... futex resumed>) = 0 [pid 7082] write(3, "1000", 4 [pid 7081] close(3 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./269/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7084] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7082] <... write resumed>) = 4 [pid 7081] <... close resumed>) = 0 [pid 7080] close(18 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7085 attached [pid 7084] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7082] close(3 [pid 7081] read(200, [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 564 [pid 3482] lstat("./269/cgroup", [pid 7082] <... close resumed>) = 0 [pid 7081] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7082] read(200, [pid 7081] symlink("/dev/binderfs", "./binderfs" [pid 3482] unlink("./269/cgroup" [pid 7085] set_robust_list(0x5555562645e0, 24 [pid 7084] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7082] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... symlink resumed>) = 0 [pid 7080] close(19 [pid 3482] <... unlink resumed>) = 0 [pid 7085] <... set_robust_list resumed>) = 0 [pid 7084] <... mprotect resumed>) = 0 [pid 7082] symlink("/dev/binderfs", "./binderfs" [pid 7081] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./269/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7085] chdir("./281" [pid 7084] 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 7082] <... symlink resumed>) = 0 [pid 7081] <... futex resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7086 attached [pid 7085] <... chdir resumed>) = 0 [pid 7082] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7080] close(20 [pid 3482] lstat("./269/cgroup.net", [pid 7086] set_robust_list(0x7fa7c8c309e0, 24 [pid 7085] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7084] <... clone resumed>, parent_tid=[569], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 569 [pid 7082] <... futex resumed>) = 0 [pid 7081] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7086] <... set_robust_list resumed>) = 0 [pid 7085] <... prctl resumed>) = 0 [pid 7084] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7081] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7080] close(21 [pid 3482] unlink("./269/cgroup.net" [pid 7086] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7085] setpgid(0, 0 [pid 7084] <... futex resumed>) = 0 [pid 7082] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7081] <... mprotect resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7086] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7081] 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 7080] close(22 [pid 3482] umount2("./269/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7087 attached [pid 7086] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... setpgid resumed>) = 0 [pid 7084] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7082] <... mprotect resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7087] set_robust_list(0x7fa7c8c309e0, 24 [pid 7086] <... futex resumed>) = 0 [pid 7085] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7084] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7082] 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 7081] <... clone resumed>, parent_tid=[557], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 557 [pid 7080] close(23 [pid 3482] lstat("./269/cgroup.cpu", ./strace-static-x86_64: Process 7088 attached [pid 7087] <... set_robust_list resumed>) = 0 [pid 7086] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7081] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7088] set_robust_list(0x7fa7c8c309e0, 24 [pid 7087] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7085] <... symlink resumed>) = 0 [pid 7084] close(3 [pid 7082] <... clone resumed>, parent_tid=[579], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 579 [pid 7081] <... futex resumed>) = 0 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./269/cgroup.cpu" [pid 7088] <... set_robust_list resumed>) = 0 [pid 7087] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7081] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7080] close(24 [pid 3482] <... unlink resumed>) = 0 [pid 7088] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7087] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7082] <... futex resumed>) = 0 [pid 7081] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] getdents64(3, [pid 7088] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7087] <... futex resumed>) = 0 [pid 7085] <... symlink resumed>) = 0 [pid 7084] close(4 [pid 7082] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7081] close(3 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7088] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7087] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7085] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] close(25 [pid 3482] close(3 [pid 7088] <... futex resumed>) = 0 [pid 7085] <... symlink resumed>) = 0 [pid 7084] close(5 [pid 7082] close(3 [pid 7081] close(4 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7088] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] close(26 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3482] rmdir("./269" [pid 7085] <... openat resumed>) = 3 [pid 7084] close(6 [pid 7082] close(4 [pid 7081] close(5 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 7085] write(3, "1000", 4 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] close(27 [pid 3482] mkdir("./270", 0777 [pid 7085] <... write resumed>) = 4 [pid 7084] close(7 [pid 7082] close(5 [pid 7081] close(6 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 7085] close(3 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] close(28 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7085] <... close resumed>) = 0 [pid 7084] close(8 [pid 7082] close(6 [pid 7081] close(7 [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7089 attached [pid 7085] read(200, [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 542 [pid 7089] set_robust_list(0x5555562645e0, 24 [pid 7085] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7084] close(9 [pid 7082] close(7 [pid 7081] close(8 [pid 7080] close(29 [pid 7089] <... set_robust_list resumed>) = 0 [pid 7085] symlink("/dev/binderfs", "./binderfs" [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] chdir("./270" [pid 7082] close(8 [pid 7081] close(9 [pid 7085] <... symlink resumed>) = 0 [pid 7084] close(10 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] <... chdir resumed>) = 0 [pid 7085] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(9 [pid 7081] close(10 [pid 7080] exit_group(0 [pid 7089] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7085] <... futex resumed>) = 0 [pid 7084] close(11 [pid 7083] <... futex resumed>) = ? [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7080] <... exit_group resumed>) = ? [pid 7089] <... prctl resumed>) = 0 [pid 7085] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7083] +++ exited with 0 +++ [pid 7082] close(10 [pid 7081] close(11 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] setpgid(0, 0 [pid 7085] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7084] close(12 [pid 7082] close(11 [pid 7081] close(12 [pid 7080] +++ exited with 0 +++ [pid 7089] <... setpgid resumed>) = 0 [pid 7085] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 7089] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7085] <... mprotect resumed>) = 0 [pid 7084] close(13 [pid 7082] close(12 [pid 7081] close(13 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] <... symlink resumed>) = 0 [pid 7085] 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 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(13 [pid 7081] close(14./strace-static-x86_64: Process 7090 attached [pid 7089] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7084] close(14 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7090] set_robust_list(0x7fa7c8c309e0, 24 [pid 7085] <... clone resumed>, parent_tid=[565], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 565 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(14 [pid 7081] close(15 [pid 7090] <... set_robust_list resumed>) = 0 [pid 7089] <... symlink resumed>) = 0 [pid 7085] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7084] close(15 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7090] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7089] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7085] <... futex resumed>) = 0 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(15 [pid 7081] close(16 [pid 7090] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] <... symlink resumed>) = 0 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] close(16 [pid 7090] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7082] close(16 [pid 7081] close(17 [pid 7089] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7090] <... futex resumed>) = 0 [pid 7085] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7084] close(17 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7090] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] <... openat resumed>) = 3 [pid 7085] close(3 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(17 [pid 7081] close(18 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7089] write(3, "1000", 4 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] close(18 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7089] <... write resumed>) = 4 [pid 7085] close(4 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(18 [pid 7081] close(19 [pid 3487] <... openat resumed>) = 3 [pid 7089] close(3 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] close(19 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] <... close resumed>) = 0 [pid 7085] close(5 [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(19 [pid 7081] close(20 [pid 3487] fstat(3, [pid 7084] close(20 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] read(200, [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(20 [pid 7081] close(21 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7089] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7085] close(6 [pid 7084] close(21 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] symlink("/dev/binderfs", "./binderfs" [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(21 [pid 7081] close(22 [pid 3487] getdents64(3, [pid 7089] <... symlink resumed>) = 0 [pid 7085] close(7 [pid 7084] close(22 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7089] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(22 [pid 7081] close(23 [pid 3487] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7089] <... futex resumed>) = 0 [pid 7085] close(8 [pid 7084] close(23 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7089] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(23 [pid 7081] close(24 [pid 3487] lstat("./290/binderfs", [pid 7089] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7085] close(9 [pid 7084] close(24 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(24 [pid 7081] close(25 [pid 7085] close(10 [pid 7084] close(25 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(25 [pid 7081] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7089] <... mprotect resumed>) = 0 [pid 7085] close(11 [pid 7084] close(26 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./290/binderfs" [pid 7089] 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 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(26 [pid 7081] close(27 [pid 7085] close(12 [pid 7084] close(27 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7091 attached [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(27 [pid 7081] close(28 [pid 3487] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7091] set_robust_list(0x7fa7c8c309e0, 24 [pid 7089] <... clone resumed>, parent_tid=[543], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 543 [pid 7085] close(13 [pid 7084] close(28 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7091] <... set_robust_list resumed>) = 0 [pid 7089] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(28 [pid 7081] close(29 [pid 3487] lstat("./290/cgroup", [pid 7091] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7089] <... futex resumed>) = 0 [pid 7085] close(14 [pid 7084] close(29 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7091] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] close(29 [pid 7081] exit_group(0 [pid 3487] unlink("./290/cgroup" [pid 7091] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7089] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7087] <... futex resumed>) = ? [pid 7085] close(15 [pid 7084] exit_group(0 [pid 7082] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7081] <... exit_group resumed>) = ? [pid 7091] <... futex resumed>) = 0 [pid 7089] close(3 [pid 7087] +++ exited with 0 +++ [pid 7086] <... futex resumed>) = ? [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7084] <... exit_group resumed>) = ? [pid 7082] exit_group(0 [pid 7081] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 7091] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7086] +++ exited with 0 +++ [pid 3487] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7089] close(4 [pid 7088] <... futex resumed>) = ? [pid 7085] close(16 [pid 7084] +++ exited with 0 +++ [pid 7082] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7088] +++ exited with 0 +++ [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7082] +++ exited with 0 +++ [pid 3487] lstat("./290/cgroup.net", [pid 7089] close(5 [pid 7085] close(17 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./290/cgroup.net" [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 7089] close(6 [pid 7085] close(18 [pid 3487] <... unlink resumed>) = 0 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3485] <... restart_syscall resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7089] close(7 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... restart_syscall resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] close(19 [pid 3487] lstat("./290/cgroup.cpu", [pid 3483] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7089] close(8 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./290/cgroup.cpu" [pid 7089] close(9 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] close(20 [pid 3487] getdents64(3, [pid 3486] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7089] close(10 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 7085] close(21 [pid 3486] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... openat resumed>) = 3 [pid 3483] <... openat resumed>) = 3 [pid 7089] close(11 [pid 3487] <... close resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./290" [pid 7089] close(12 [pid 7085] close(22 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] <... openat resumed>) = 3 [pid 3485] fstat(3, [pid 3483] fstat(3, [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./291", 0777 [pid 7089] close(13 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3486] fstat(3, [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] close(23 [pid 7089] close(14 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] getdents64(3, ./strace-static-x86_64: Process 7092 attached [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7089] close(15 [pid 3486] getdents64(3, [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] close(24 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 584 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7089] close(16 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7092] set_robust_list(0x5555562645e0, 24 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7089] close(17 [pid 7085] close(25 [pid 7092] <... set_robust_list resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] chdir("./291" [pid 7089] close(18 [pid 7092] <... chdir resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] close(26 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./283/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7089] close(19 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./288/binderfs", [pid 7089] close(20 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7085] close(27 [pid 3483] lstat("./277/binderfs", [pid 7092] <... prctl resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./283/binderfs" [pid 7092] setpgid(0, 0 [pid 7089] close(21 [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./288/binderfs" [pid 7089] close(22) = -1 EBADF (Bad file descriptor) [pid 7089] close(23) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 7092] <... setpgid resumed>) = 0 [pid 7089] close(24 [pid 3483] unlink("./277/binderfs" [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] close(25) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7089] close(26 [pid 7092] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] close(28 [pid 7089] close(27) = -1 EBADF (Bad file descriptor) [pid 7089] close(28 [pid 3483] <... unlink resumed>) = 0 [pid 7089] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7089] close(29) = -1 EBADF (Bad file descriptor) [pid 7092] <... symlink resumed>) = 0 [pid 7089] exit_group(0 [pid 7085] close(29 [pid 3486] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7091] <... futex resumed>) = ? [pid 7089] <... exit_group resumed>) = ? [pid 7085] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] <... symlink resumed>) = 0 [pid 7091] +++ exited with 0 +++ [pid 7089] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./283/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7085] exit_group(0 [pid 3486] lstat("./288/cgroup", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./277/cgroup", [pid 7092] <... symlink resumed>) = 0 [pid 7090] <... futex resumed>) = ? [pid 7085] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] unlink("./283/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=542, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 7092] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7090] +++ exited with 0 +++ [pid 7085] +++ exited with 0 +++ [pid 3486] unlink("./288/cgroup" [pid 3483] unlink("./277/cgroup" [pid 3482] umount2("./270", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] <... openat resumed>) = 3 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3485] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./283/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] write(3, "1000", 4 [pid 3486] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./270", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7092] <... write resumed>) = 4 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./283/cgroup.net" [pid 3484] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 7092] close(3 [pid 3486] lstat("./288/cgroup.net", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./277/cgroup.net", [pid 3482] fstat(3, [pid 7092] <... close resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [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 7092] read(200, [pid 3486] unlink("./288/cgroup.net" [pid 3485] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3483] unlink("./277/cgroup.net" [pid 3482] getdents64(3, [pid 7092] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] fstat(3, [pid 7092] symlink("/dev/binderfs", "./binderfs" [pid 3486] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./283/cgroup.cpu", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7092] <... symlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./283/cgroup.cpu" [pid 3484] getdents64(3, [pid 3483] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./270/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] lstat("./288/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] <... futex resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./277/cgroup.cpu", [pid 7092] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] close(3 [pid 3482] lstat("./270/binderfs", [pid 7092] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] unlink("./288/cgroup.cpu" [pid 3485] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] rmdir("./283" [pid 7092] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] lstat("./281/binderfs", [pid 3483] unlink("./277/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7092] <... mprotect resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] mkdir("./284", 0777 [pid 7092] 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] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./270/binderfs" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7094 attached ./strace-static-x86_64: Process 7093 attached [pid 3486] close(3 [pid 3484] unlink("./281/binderfs" [pid 3483] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 7094] set_robust_list(0x5555562645e0, 24 [pid 7093] set_robust_list(0x7fa7c8c309e0, 24) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 570 [pid 7093] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3484] <... unlink resumed>) = 0 [pid 7094] <... set_robust_list resumed>) = 0 [pid 3482] umount2("./270/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7094] chdir("./284" [pid 3484] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7094] <... chdir resumed>) = 0 [pid 7092] <... clone resumed>, parent_tid=[585], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 585 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7094] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3483] close(3 [pid 3482] lstat("./270/cgroup", [pid 7094] <... prctl resumed>) = 0 [pid 3486] <... close resumed>) = 0 [pid 3484] lstat("./281/cgroup", [pid 3483] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7094] setpgid(0, 0) = 0 [pid 7092] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] rmdir("./288" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] rmdir("./277" [pid 3482] unlink("./270/cgroup" [pid 7094] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7093] <... futex resumed>) = 0 [pid 7092] <... futex resumed>) = 1 [pid 7093] ioctl(-1, LOOP_CTL_ADD, 0) = -1 EBADF (Bad file descriptor) [pid 7093] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7093] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3486] <... rmdir resumed>) = 0 [pid 3484] unlink("./281/cgroup" [pid 3483] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7092] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... unlink resumed>) = 0 [pid 7094] <... symlink resumed>) = 0 [pid 7092] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] mkdir("./289", 0777 [pid 3484] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./278", 0777 [pid 3482] umount2("./270/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] close(3) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] close(4 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7092] close(5 [pid 3484] lstat("./281/cgroup.net", [pid 3482] lstat("./270/cgroup.net", [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7092] close(6 [pid 3486] <... mkdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... symlink resumed>) = 0 [pid 7092] close(7 [pid 3484] unlink("./281/cgroup.net" [pid 7094] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] unlink("./270/cgroup.net" [pid 7092] close(8) = -1 EBADF (Bad file descriptor) [pid 7092] close(9 [pid 3484] <... unlink resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7092] close(10) = -1 EBADF (Bad file descriptor) [pid 7092] close(11 [pid 3482] <... unlink resumed>) = 0 [pid 7094] <... symlink resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] close(12 [pid 3482] umount2("./270/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7092] close(13./strace-static-x86_64: Process 7096 attached ./strace-static-x86_64: Process 7095 attached [pid 7094] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./281/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7095] set_robust_list(0x5555562645e0, 24 [pid 7092] close(14 [pid 7095] <... set_robust_list resumed>) = 0 [pid 7094] <... openat resumed>) = 3 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 558 [pid 3482] lstat("./270/cgroup.cpu", [pid 7096] set_robust_list(0x5555562645e0, 24 [pid 7095] chdir("./289" [pid 7092] close(15 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 580 [pid 7095] <... chdir resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./281/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7094] write(3, "1000", 4 [pid 7096] <... set_robust_list resumed>) = 0 [pid 7095] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7092] close(16 [pid 7095] <... prctl resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./270/cgroup.cpu" [pid 7096] chdir("./278" [pid 7095] setpgid(0, 0 [pid 7094] <... write resumed>) = 4 [pid 7092] close(17 [pid 3484] getdents64(3, [pid 7095] <... setpgid resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... chdir resumed>) = 0 [pid 7095] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7094] close(3 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7096] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7094] <... close resumed>) = 0 [pid 3484] close(3 [pid 3482] getdents64(3, [pid 7096] <... prctl resumed>) = 0 [pid 7094] read(200, [pid 3484] <... close resumed>) = 0 [pid 7092] close(18 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7096] setpgid(0, 0 [pid 7095] <... symlink resumed>) = 0 [pid 7094] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./281" [pid 3482] close(3 [pid 7096] <... setpgid resumed>) = 0 [pid 7095] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7094] symlink("/dev/binderfs", "./binderfs" [pid 7092] close(19 [pid 3484] <... rmdir resumed>) = 0 [pid 7096] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7095] <... symlink resumed>) = 0 [pid 7094] <... symlink resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./282", 0777 [pid 3482] <... close resumed>) = 0 [pid 7096] <... symlink resumed>) = 0 [pid 7095] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7094] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] close(20 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] rmdir("./270" [pid 7096] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7095] <... symlink resumed>) = 0 [pid 7094] <... futex resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7097 attached [pid 7096] <... symlink resumed>) = 0 [pid 7095] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7094] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7092] close(21 [pid 3482] mkdir("./271", 0777 [pid 7097] set_robust_list(0x5555562645e0, 24 [pid 7096] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7095] <... openat resumed>) = 3 [pid 7094] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] <... set_robust_list resumed>) = 0 [pid 7095] write(3, "1000", 4 [pid 7094] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7092] close(22 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 566 [pid 3482] <... mkdir resumed>) = 0 [pid 7097] chdir("./282" [pid 7096] <... symlink resumed>) = 0 [pid 7095] <... write resumed>) = 4 [pid 7094] <... mprotect resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7097] <... chdir resumed>) = 0 [pid 7096] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7095] close(3 [pid 7094] 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 7092] close(23 [pid 7097] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7095] <... close resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7098 attached [pid 7097] <... prctl resumed>) = 0 [pid 7095] read(200, [pid 7092] close(24./strace-static-x86_64: Process 7099 attached [pid 7098] set_robust_list(0x7fa7c8c309e0, 24 [pid 7097] setpgid(0, 0 [pid 7096] <... openat resumed>) = 3 [pid 7095] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... clone resumed>, parent_tid=[571], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 571 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] set_robust_list(0x5555562645e0, 24 [pid 7098] <... set_robust_list resumed>) = 0 [pid 7097] <... setpgid resumed>) = 0 [pid 7096] write(3, "1000", 4 [pid 7095] symlink("/dev/binderfs", "./binderfs" [pid 7094] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7092] close(25 [pid 7099] <... set_robust_list resumed>) = 0 [pid 7098] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7097] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7096] <... write resumed>) = 4 [pid 7095] <... symlink resumed>) = 0 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... futex resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 544 [pid 7099] chdir("./271" [pid 7098] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] <... symlink resumed>) = 0 [pid 7096] close(3 [pid 7095] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7092] close(26 [pid 7099] <... chdir resumed>) = 0 [pid 7098] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7096] <... close resumed>) = 0 [pid 7095] <... futex resumed>) = 0 [pid 7094] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7098] <... futex resumed>) = 0 [pid 7097] <... symlink resumed>) = 0 [pid 7095] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7092] close(27 [pid 7099] <... prctl resumed>) = 0 [pid 7098] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7097] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7096] read(200, [pid 7095] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7094] close(3 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] setpgid(0, 0 [pid 7097] <... symlink resumed>) = 0 [pid 7095] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7092] close(28 [pid 7099] <... setpgid resumed>) = 0 [pid 7097] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7096] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7095] <... mprotect resumed>) = 0 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7097] <... openat resumed>) = 3 [pid 7096] symlink("/dev/binderfs", "./binderfs" [pid 7095] 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 7094] close(4 [pid 7092] close(29./strace-static-x86_64: Process 7100 attached [pid 7099] <... symlink resumed>) = 0 [pid 7097] write(3, "1000", 4 [pid 7092] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7100] set_robust_list(0x7fa7c8c309e0, 24 [pid 7099] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7097] <... write resumed>) = 4 [pid 7096] <... symlink resumed>) = 0 [pid 7095] <... clone resumed>, parent_tid=[581], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 581 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7092] exit_group(0 [pid 7100] <... set_robust_list resumed>) = 0 [pid 7099] <... symlink resumed>) = 0 [pid 7097] close(3 [pid 7096] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7094] close(5 [pid 7093] <... futex resumed>) = ? [pid 7092] <... exit_group resumed>) = ? [pid 7100] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7099] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7097] <... close resumed>) = 0 [pid 7096] <... futex resumed>) = 0 [pid 7095] <... futex resumed>) = 0 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7093] +++ exited with 0 +++ [pid 7092] +++ exited with 0 +++ [pid 7100] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... symlink resumed>) = 0 [pid 7097] read(200, [pid 7095] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7096] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7094] close(6 [pid 7100] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7097] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7096] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7095] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7100] <... futex resumed>) = 0 [pid 7099] <... openat resumed>) = 3 [pid 7097] symlink("/dev/binderfs", "./binderfs" [pid 7096] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7095] close(3 [pid 7094] close(7 [pid 7100] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7099] write(3, "1000", 4 [pid 7097] <... symlink resumed>) = 0 [pid 7096] <... mprotect resumed>) = 0 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... write resumed>) = 4 [pid 7097] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] close(4 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] close(3 [pid 7097] <... futex resumed>) = 0 [pid 7096] 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 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(8 [pid 7099] <... close resumed>) = 0 [pid 7097] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7095] close(5 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7101 attached [pid 7099] read(200, [pid 7097] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7101] set_robust_list(0x7fa7c8c309e0, 24 [pid 7099] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7095] close(6 [pid 7094] close(9 [pid 3487] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7101] <... set_robust_list resumed>) = 0 [pid 7099] symlink("/dev/binderfs", "./binderfs" [pid 7097] <... mprotect resumed>) = 0 [pid 7096] <... clone resumed>, parent_tid=[559], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 559 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7101] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7099] <... symlink resumed>) = 0 [pid 7097] 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 7095] close(7./strace-static-x86_64: Process 7102 attached [pid 7099] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(10 [pid 3487] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7102] set_robust_list(0x7fa7c8c309e0, 24 [pid 7099] <... futex resumed>) = 0 [pid 7097] <... clone resumed>, parent_tid=[567], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 567 [pid 7095] close(8 [pid 7102] <... set_robust_list resumed>) = 0 [pid 7101] <... futex resumed>) = 0 [pid 7099] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7097] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7096] <... futex resumed>) = 1 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 7102] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7101] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7099] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7097] <... futex resumed>) = 0 [pid 7096] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] close(9 [pid 7094] close(11 [pid 3487] fstat(3, [pid 7102] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7101] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7097] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7102] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7101] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] <... mprotect resumed>) = 0 [pid 7097] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7095] close(10 [pid 7094] close(12 [pid 7102] <... futex resumed>) = 0 [pid 7101] <... futex resumed>) = 1 [pid 7099] 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 7097] close(3 [pid 7096] <... futex resumed>) = 0 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, ./strace-static-x86_64: Process 7103 attached [pid 7102] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7101] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(3 [pid 7095] close(11 [pid 7103] set_robust_list(0x7fa7c8c309e0, 24 [pid 7099] <... clone resumed>, parent_tid=[545], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 545 [pid 7097] close(4 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(13 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7103] <... set_robust_list resumed>) = 0 [pid 7099] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(4 [pid 7095] close(12 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7103] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7099] <... futex resumed>) = 0 [pid 7097] close(5 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(14 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7103] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(5 [pid 7095] close(13 [pid 7103] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7099] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7097] close(6 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./291/binderfs", [pid 7103] <... futex resumed>) = 0 [pid 7099] close(3 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(6 [pid 7095] close(14 [pid 7103] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(7 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(15 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7099] close(4 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(15 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(8 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] close(5 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(16 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(9 [pid 7096] close(7 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./291/binderfs" [pid 7099] close(6 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(17 [pid 7094] close(16 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(10 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7099] close(7 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(8 [pid 7095] close(18 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(11 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(17 [pid 3487] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7099] close(8 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(9 [pid 7095] close(19 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(12 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] close(9 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(20 [pid 7094] close(18 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(13 [pid 7096] close(10 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./291/cgroup", [pid 7099] close(10 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(21 [pid 7094] close(19 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(14 [pid 7096] close(11 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7099] close(11 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(22 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./291/cgroup" [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(15 [pid 7096] close(12 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(20 [pid 7099] close(12 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(23 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(16 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7099] close(13 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(24 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(17 [pid 7096] close(13 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(21 [pid 3487] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7099] close(14 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(25 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(18 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7096] close(14 [pid 7099] close(15 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(26 [pid 7094] close(22 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(19 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./291/cgroup.net", [pid 7099] close(16 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(15 [pid 7095] close(27 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(20 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(23 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7099] close(17 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(16 [pid 7095] close(28 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./291/cgroup.net" [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(21 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(24 [pid 7099] close(18 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 7096] close(17 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(22 [pid 7095] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7099] close(19 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] exit_group(0 [pid 7094] close(25 [pid 7100] <... futex resumed>) = ? [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(23 [pid 7095] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7096] close(18 [pid 7100] +++ exited with 0 +++ [pid 7099] close(20 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7095] +++ exited with 0 +++ [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(24 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(26 [pid 3487] lstat("./291/cgroup.cpu", [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 7099] close(21 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(19 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(25 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7094] close(27 [pid 7099] close(22 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(20 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(26 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./291/cgroup.cpu" [pid 7099] close(23 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(28 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(27 [pid 7099] close(24 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(28 [pid 7096] close(21 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7099] close(25 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] close(29 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] close(29 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7099] close(26 [pid 7097] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(22 [pid 7094] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7097] exit_group(0 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] exit_group(0 [pid 3487] close(3 [pid 3486] <... openat resumed>) = 3 [pid 7102] <... futex resumed>) = ? [pid 7099] close(27 [pid 7098] <... futex resumed>) = ? [pid 7097] <... exit_group resumed>) = ? [pid 7096] close(23 [pid 7094] <... exit_group resumed>) = ? [pid 3487] <... close resumed>) = 0 [pid 7102] +++ exited with 0 +++ [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7098] +++ exited with 0 +++ [pid 7097] +++ exited with 0 +++ [pid 3486] fstat(3, [pid 7099] close(28 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7096] close(24 [pid 3487] rmdir("./291" [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7099] close(29 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7094] +++ exited with 0 +++ [pid 3487] <... rmdir resumed>) = 0 [pid 7099] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7099] exit_group(0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] getdents64(3, [pid 7103] <... futex resumed>) = ? [pid 7099] <... exit_group resumed>) = ? [pid 7096] close(25 [pid 3487] mkdir("./292", 0777 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 7103] +++ exited with 0 +++ [pid 7099] +++ exited with 0 +++ [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... restart_syscall resumed>) = 0 [pid 7096] close(26 [pid 3487] <... mkdir resumed>) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=544, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7096] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./289/binderfs", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7104 attached [pid 7096] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7104] set_robust_list(0x5555562645e0, 24 [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./289/binderfs" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... openat resumed>) = 3 [pid 7104] <... set_robust_list resumed>) = 0 [pid 7096] close(29 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 586 [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] fstat(3, [pid 7104] chdir("./292" [pid 7096] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./271", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7104] <... chdir resumed>) = 0 [pid 7096] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7104] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7101] <... futex resumed>) = ? [pid 7096] <... exit_group resumed>) = ? [pid 3486] lstat("./289/cgroup", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] openat(AT_FDCWD, "./271", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7104] <... prctl resumed>) = 0 [pid 7101] +++ exited with 0 +++ [pid 7096] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 7104] setpgid(0, 0 [pid 3486] unlink("./289/cgroup" [pid 7104] <... setpgid resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3482] fstat(3, [pid 7104] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3486] <... unlink resumed>) = 0 [pid 3483] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7104] <... symlink resumed>) = 0 [pid 3486] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./284/binderfs", [pid 3484] lstat("./282/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7104] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7104] <... symlink resumed>) = 0 [pid 3486] lstat("./289/cgroup.net", [pid 3485] unlink("./284/binderfs" [pid 3483] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 7104] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./282/binderfs" [pid 3483] fstat(3, [pid 7104] <... symlink resumed>) = 0 [pid 3486] unlink("./289/cgroup.net" [pid 3485] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7104] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./271/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7104] <... openat resumed>) = 3 [pid 3486] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./284/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7104] write(3, "1000", 4 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./282/cgroup", [pid 3483] getdents64(3, [pid 3482] lstat("./271/binderfs", [pid 7104] <... write resumed>) = 4 [pid 3486] lstat("./289/cgroup.cpu", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 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=13, ...}) = 0 [pid 7104] close(3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./282/cgroup" [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./271/binderfs" [pid 7104] <... close resumed>) = 0 [pid 3486] unlink("./289/cgroup.cpu" [pid 3485] unlink("./284/cgroup" [pid 3483] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7104] read(200, [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7104] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./278/binderfs", [pid 3482] umount2("./271/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7104] symlink("/dev/binderfs", "./binderfs" [pid 3486] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7104] <... symlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] lstat("./284/cgroup.net", [pid 3484] lstat("./282/cgroup.net", [pid 3483] unlink("./278/binderfs" [pid 7104] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] close(3 [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 resumed>) = 0 [pid 3482] lstat("./271/cgroup", [pid 7104] <... futex resumed>) = 0 [pid 3485] unlink("./284/cgroup.net" [pid 3483] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 7104] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./282/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7104] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] rmdir("./289" [pid 3485] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./278/cgroup", [pid 7104] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./271/cgroup" [pid 7104] <... mprotect resumed>) = 0 [pid 3485] lstat("./284/cgroup.cpu", [pid 3483] unlink("./278/cgroup" [pid 7104] 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] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7105 attached [pid 3485] unlink("./284/cgroup.cpu" [pid 3483] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7105] set_robust_list(0x7fa7c8c309e0, 24 [pid 7104] <... clone resumed>, parent_tid=[587], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 587 [pid 3485] <... unlink resumed>) = 0 [pid 3482] umount2("./271/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7105] <... set_robust_list resumed>) = 0 [pid 7104] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] mkdir("./290", 0777 [pid 3485] getdents64(3, [pid 3484] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7105] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7104] <... futex resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./278/cgroup.net", [pid 3482] lstat("./271/cgroup.net", [pid 7105] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7104] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] close(3 [pid 3484] lstat("./282/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7106 attached [pid 7105] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7105] <... futex resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./278/cgroup.net" [pid 3482] unlink("./271/cgroup.net" [pid 7105] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7104] close(3 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 582 [pid 3485] rmdir("./284" [pid 3484] unlink("./282/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./271/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./271/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./271/cgroup.cpu" [pid 7104] close(4 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7106] set_robust_list(0x5555562645e0, 24 [pid 3482] getdents64(3, [pid 7106] <... set_robust_list resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./285", 0777 [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7104] close(5 [pid 3483] lstat("./278/cgroup.cpu", [pid 3482] close(3 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... close resumed>) = 0 [pid 7106] chdir("./290" [pid 7104] close(6 [pid 3482] rmdir("./271" [pid 7106] <... chdir resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] close(3 [pid 3483] unlink("./278/cgroup.cpu" [pid 3482] <... rmdir resumed>) = 0 [pid 7104] close(7 [pid 3482] mkdir("./272", 0777 [pid 7106] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7106] <... prctl resumed>) = 0 [pid 7104] close(8 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] rmdir("./282" [pid 3483] getdents64(3, ./strace-static-x86_64: Process 7107 attached [pid 7106] setpgid(0, 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 546 [pid 7106] <... setpgid resumed>) = 0 [pid 7104] close(9 [pid 7107] set_robust_list(0x5555562645e0, 24 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7107] <... set_robust_list resumed>) = 0 [pid 7104] close(10 [pid 3483] close(3 [pid 7107] chdir("./272" [pid 7106] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] mkdir("./283", 0777 [pid 7107] <... chdir resumed>) = 0 [pid 7106] <... symlink resumed>) = 0 [pid 7104] close(11 [pid 3483] <... close resumed>) = 0 [pid 7107] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7104] close(12 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] rmdir("./278" [pid 7107] <... prctl resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] setpgid(0, 0 [pid 7104] close(13 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... rmdir resumed>) = 0 [pid 7107] <... setpgid resumed>) = 0 [pid 7106] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7106] <... symlink resumed>) = 0 [pid 7104] close(14./strace-static-x86_64: Process 7108 attached [pid 7108] set_robust_list(0x5555562645e0, 24 [pid 7107] <... symlink resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./279", 0777 [pid 7108] <... set_robust_list resumed>) = 0 [pid 7107] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7104] close(15 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 572 ./strace-static-x86_64: Process 7109 attached [pid 7108] chdir("./285" [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 7109] set_robust_list(0x5555562645e0, 24 [pid 7108] <... chdir resumed>) = 0 [pid 7107] <... symlink resumed>) = 0 [pid 7106] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7104] close(16 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 568 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7109] <... set_robust_list resumed>) = 0 [pid 7108] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7107] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7106] <... symlink resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7110 attached [pid 7109] chdir("./283" [pid 7108] <... prctl resumed>) = 0 [pid 7107] <... symlink resumed>) = 0 [pid 7110] set_robust_list(0x5555562645e0, 24 [pid 7109] <... chdir resumed>) = 0 [pid 7108] setpgid(0, 0 [pid 7106] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7104] close(17 [pid 7110] <... set_robust_list resumed>) = 0 [pid 7109] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7108] <... setpgid resumed>) = 0 [pid 7107] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7106] <... openat resumed>) = 3 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 560 [pid 7110] chdir("./279" [pid 7109] <... prctl resumed>) = 0 [pid 7108] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7107] <... openat resumed>) = 3 [pid 7106] write(3, "1000", 4 [pid 7104] close(18 [pid 7110] <... chdir resumed>) = 0 [pid 7109] setpgid(0, 0 [pid 7108] <... symlink resumed>) = 0 [pid 7107] write(3, "1000", 4 [pid 7106] <... write resumed>) = 4 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7109] <... setpgid resumed>) = 0 [pid 7108] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7107] <... write resumed>) = 4 [pid 7106] close(3 [pid 7104] close(19 [pid 7110] <... prctl resumed>) = 0 [pid 7109] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7108] <... symlink resumed>) = 0 [pid 7107] close(3 [pid 7106] <... close resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] setpgid(0, 0 [pid 7109] <... symlink resumed>) = 0 [pid 7108] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7107] <... close resumed>) = 0 [pid 7106] read(200, [pid 7104] close(20 [pid 7110] <... setpgid resumed>) = 0 [pid 7109] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7108] <... symlink resumed>) = 0 [pid 7107] read(200, [pid 7106] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7109] <... symlink resumed>) = 0 [pid 7108] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7107] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7106] symlink("/dev/binderfs", "./binderfs" [pid 7104] close(21 [pid 7110] <... symlink resumed>) = 0 [pid 7109] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7108] <... openat resumed>) = 3 [pid 7107] symlink("/dev/binderfs", "./binderfs" [pid 7110] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7109] <... symlink resumed>) = 0 [pid 7108] write(3, "1000", 4 [pid 7106] <... symlink resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] <... symlink resumed>) = 0 [pid 7109] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7108] <... write resumed>) = 4 [pid 7107] <... symlink resumed>) = 0 [pid 7106] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] close(22 [pid 7110] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7109] <... openat resumed>) = 3 [pid 7108] close(3 [pid 7107] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... symlink resumed>) = 0 [pid 7109] write(3, "1000", 4 [pid 7108] <... close resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] <... futex resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7109] <... write resumed>) = 4 [pid 7108] read(200, [pid 7110] <... openat resumed>) = 3 [pid 7109] close(3 [pid 7108] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7107] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7106] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7104] close(23 [pid 7110] write(3, "1000", 4 [pid 7109] <... close resumed>) = 0 [pid 7108] symlink("/dev/binderfs", "./binderfs" [pid 7107] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] <... write resumed>) = 4 [pid 7109] read(200, [pid 7108] <... symlink resumed>) = 0 [pid 7107] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7106] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7104] close(24 [pid 7110] close(3 [pid 7109] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7108] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... close resumed>) = 0 [pid 7109] symlink("/dev/binderfs", "./binderfs" [pid 7108] <... futex resumed>) = 0 [pid 7107] <... mprotect resumed>) = 0 [pid 7106] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] read(200, [pid 7109] <... symlink resumed>) = 0 [pid 7108] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7107] 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 7106] <... mprotect resumed>) = 0 [pid 7104] close(25./strace-static-x86_64: Process 7111 attached [pid 7110] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7109] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7106] 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 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7112 attached [pid 7111] set_robust_list(0x7fa7c8c309e0, 24 [pid 7110] symlink("/dev/binderfs", "./binderfs" [pid 7109] <... futex resumed>) = 0 [pid 7108] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7107] <... clone resumed>, parent_tid=[547], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 547 [pid 7104] close(26 [pid 7112] set_robust_list(0x7fa7c8c309e0, 24 [pid 7111] <... set_robust_list resumed>) = 0 [pid 7107] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7106] <... clone resumed>, parent_tid=[583], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 583 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] <... symlink resumed>) = 0 [pid 7112] <... set_robust_list resumed>) = 0 [pid 7111] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7109] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7108] <... mprotect resumed>) = 0 [pid 7107] <... futex resumed>) = 0 [pid 7106] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7104] close(27 [pid 7110] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7112] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7111] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7108] 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 7107] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7106] <... futex resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7113 attached [pid 7112] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7111] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7106] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7104] close(28 [pid 7113] set_robust_list(0x7fa7c8c309e0, 24 [pid 7112] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7111] <... futex resumed>) = 1 [pid 7110] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7107] <... futex resumed>) = 0 [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7113] <... set_robust_list resumed>) = 0 [pid 7107] close(3 [pid 7104] close(29 [pid 7113] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7104] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(4 [pid 7104] exit_group(0 [pid 7109] <... mprotect resumed>) = 0 [pid 7112] <... futex resumed>) = 1 [pid 7111] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7108] <... clone resumed>, parent_tid=[573], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 573 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... futex resumed>) = 0 [pid 7105] <... futex resumed>) = ? [pid 7104] <... exit_group resumed>) = ? [pid 7109] 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 7114 attached [pid 7112] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7108] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] close(5 [pid 7106] close(3 [pid 7105] +++ exited with 0 +++ [pid 7104] +++ exited with 0 +++ [pid 7114] set_robust_list(0x7fa7c8c309e0, 24 [pid 7113] <... futex resumed>) = 0 [pid 7110] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7108] <... futex resumed>) = 1 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7114] <... set_robust_list resumed>) = 0 [pid 7113] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7110] <... mprotect resumed>) = 0 [pid 7109] <... clone resumed>, parent_tid=[569], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 569 [pid 7108] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7107] close(6 [pid 7106] close(4 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7114] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7113] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] 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 7109] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7115 attached [pid 7114] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7113] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7109] <... futex resumed>) = 0 [pid 7107] close(7 [pid 7106] close(5 [pid 3487] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7115] set_robust_list(0x7fa7c8c309e0, 24 [pid 7114] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7113] <... futex resumed>) = 1 [pid 7110] <... clone resumed>, parent_tid=[561], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 561 [pid 7109] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7108] <... futex resumed>) = 0 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7115] <... set_robust_list resumed>) = 0 [pid 7114] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7113] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7108] close(3 [pid 7107] close(8 [pid 7106] close(6 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7115] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7114] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7110] <... futex resumed>) = 0 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7115] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7114] <... futex resumed>) = 1 [pid 7110] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7109] <... futex resumed>) = 0 [pid 7108] close(4 [pid 7107] close(9 [pid 7106] close(7 [pid 7115] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7114] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7109] close(3 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 7115] <... futex resumed>) = 0 [pid 7110] close(3 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(5 [pid 7107] close(10 [pid 7106] close(8 [pid 3487] fstat(3, [pid 7115] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(4 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] close(4 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(6 [pid 7107] close(11 [pid 7106] close(9 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(5 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] close(5 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(7 [pid 7107] close(12 [pid 7106] close(10 [pid 3487] getdents64(3, [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(6 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7110] close(6 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(8 [pid 7107] close(13 [pid 7106] close(11 [pid 3487] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(7 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7110] close(7 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(9 [pid 7107] close(14 [pid 7106] close(12 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(8 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./292/binderfs", [pid 7110] close(8 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(10 [pid 7107] close(15 [pid 7106] close(13 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(9 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./292/binderfs" [pid 7110] close(9 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(10 [pid 7108] close(11 [pid 7107] close(16 [pid 7106] close(14 [pid 3487] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7110] close(10 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(11 [pid 7108] close(12 [pid 7107] close(17 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./292/cgroup", [pid 7110] close(11 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(12 [pid 3487] unlink("./292/cgroup" [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] close(12 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(13 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(15 [pid 3487] <... unlink resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(13 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(18 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7110] close(13 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(14 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(16 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(14 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(19 [pid 3487] lstat("./292/cgroup.net", [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] close(14 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(15 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(15 [pid 7106] close(17 [pid 3487] unlink("./292/cgroup.net" [pid 7110] close(15 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(20 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(16 [pid 7108] close(16 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(18 [pid 3487] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7110] close(16 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(21 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(17 [pid 7108] close(17 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(19 [pid 3487] lstat("./292/cgroup.cpu", [pid 7110] close(17 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(22 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(18 [pid 3487] unlink("./292/cgroup.cpu" [pid 7110] close(18 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(18 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(20 [pid 3487] <... unlink resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(19 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(23 [pid 3487] getdents64(3, [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] close(19 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(19 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7106] close(21 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(20 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(24 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 7110] close(20 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(20 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(22 [pid 3487] <... close resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(21 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(25 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./292" [pid 7110] close(21 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(21 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(23 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(22 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(26 [pid 3487] <... rmdir resumed>) = 0 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7110] close(22 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(22 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./293", 0777 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(23 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(27 [pid 7106] close(24 [pid 3487] <... mkdir resumed>) = 0 [pid 7110] close(23 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(23 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7116 attached [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(24 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(28 [pid 7106] close(25 [pid 7116] set_robust_list(0x5555562645e0, 24 [pid 7110] close(24 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(24 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 588 [pid 7116] <... set_robust_list resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(25 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] close(29 [pid 7106] close(26 [pid 7116] chdir("./293" [pid 7110] close(25 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(25 [pid 7107] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] <... chdir resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(26 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] exit_group(0 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7110] close(26 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] <... prctl resumed>) = 0 [pid 7111] <... futex resumed>) = ? [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(27 [pid 7108] close(26 [pid 7107] <... exit_group resumed>) = ? [pid 7106] close(27 [pid 7116] setpgid(0, 0 [pid 7111] +++ exited with 0 +++ [pid 7110] close(27 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] <... setpgid resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(28 [pid 7108] close(27 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7110] close(28 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] <... symlink resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] close(29 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7107] +++ exited with 0 +++ [pid 7106] close(28 [pid 7116] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7110] close(29 [pid 7109] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7108] close(28 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] <... symlink resumed>) = 0 [pid 7110] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7109] exit_group(0 [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] close(29 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=546, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7116] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7114] <... futex resumed>) = ? [pid 7110] exit_group(0 [pid 7109] <... exit_group resumed>) = ? [pid 7108] close(29 [pid 7106] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./272", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] <... symlink resumed>) = 0 [pid 7115] <... futex resumed>) = ? [pid 7114] +++ exited with 0 +++ [pid 7110] <... exit_group resumed>) = ? [pid 7109] +++ exited with 0 +++ [pid 7108] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7106] exit_group(0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7116] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7115] +++ exited with 0 +++ [pid 7112] <... futex resumed>) = ? [pid 7110] +++ exited with 0 +++ [pid 7108] exit_group(0 [pid 7106] <... exit_group resumed>) = ? [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3482] openat(AT_FDCWD, "./272", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7116] <... openat resumed>) = 3 [pid 7112] +++ exited with 0 +++ [pid 3482] <... openat resumed>) = 3 [pid 7116] write(3, "1000", 4 [pid 3482] fstat(3, [pid 7116] <... write resumed>) = 4 [pid 7108] <... exit_group resumed>) = ? [pid 7113] <... futex resumed>) = 230 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7116] close(3 [pid 3482] getdents64(3, [pid 7116] <... close resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7116] read(200, [pid 7106] +++ exited with 0 +++ [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] umount2("./272/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7113] +++ exited with 0 +++ [pid 7108] +++ exited with 0 +++ [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7116] symlink("/dev/binderfs", "./binderfs" [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./272/binderfs", [pid 7116] <... symlink resumed>) = 0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7116] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3484] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] unlink("./272/binderfs" [pid 7116] <... futex resumed>) = 0 [pid 3486] <... restart_syscall resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] <... openat resumed>) = 3 [pid 7116] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] fstat(3, [pid 3483] fstat(3, [pid 3482] <... unlink resumed>) = 0 [pid 7116] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./272/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7116] <... mprotect resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] getdents64(3, [pid 3482] lstat("./272/cgroup", [pid 7116] 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] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... openat resumed>) = 3 [pid 3484] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7117 attached [pid 3486] <... openat resumed>) = 3 [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./272/cgroup" [pid 7117] set_robust_list(0x7fa7c8c309e0, 24 [pid 7116] <... clone resumed>, parent_tid=[589], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 589 [pid 3486] fstat(3, [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] lstat("./283/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7117] <... set_robust_list resumed>) = 0 [pid 7116] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./272/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7117] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7116] <... futex resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] unlink("./283/binderfs" [pid 3483] lstat("./279/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7117] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./272/cgroup.net", [pid 7117] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7117] <... futex resumed>) = 0 [pid 7116] close(3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./285/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./272/cgroup.net" [pid 7117] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./290/binderfs", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] lstat("./283/cgroup", [pid 3483] unlink("./279/binderfs" [pid 3482] <... unlink resumed>) = 0 [pid 7116] close(4 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./285/binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./272/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./290/binderfs" [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./283/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7116] close(5 [pid 3486] <... unlink resumed>) = 0 [pid 3483] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./272/cgroup.cpu", [pid 7116] close(6 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./279/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./279/cgroup" [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7116] close(7 [pid 3486] lstat("./290/cgroup", [pid 3485] lstat("./285/cgroup", [pid 3484] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./272/cgroup.cpu" [pid 3483] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./279/cgroup.net", [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 3483] unlink("./279/cgroup.net" [pid 7116] close(8 [pid 3486] unlink("./290/cgroup" [pid 3485] unlink("./285/cgroup" [pid 3484] lstat("./283/cgroup.net", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 7116] close(9 [pid 3486] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./283/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 3483] lstat("./279/cgroup.cpu", [pid 7116] close(10 [pid 3486] lstat("./290/cgroup.net", [pid 3485] lstat("./285/cgroup.net", [pid 3484] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... close resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] rmdir("./272" [pid 7116] close(11 [pid 3486] unlink("./290/cgroup.net" [pid 3485] unlink("./285/cgroup.net" [pid 3484] lstat("./283/cgroup.cpu", [pid 3483] unlink("./279/cgroup.cpu" [pid 3482] <... rmdir resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] mkdir("./273", 0777 [pid 7116] close(12 [pid 3486] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./283/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7116] close(13 [pid 3486] lstat("./290/cgroup.cpu", [pid 3485] lstat("./285/cgroup.cpu", [pid 3484] getdents64(3, [pid 3483] getdents64(3, ./strace-static-x86_64: Process 7118 attached [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 548 [pid 7118] set_robust_list(0x5555562645e0, 24 [pid 7116] close(14 [pid 3486] unlink("./290/cgroup.cpu" [pid 3485] unlink("./285/cgroup.cpu" [pid 3484] close(3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7118] <... set_robust_list resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] close(3 [pid 7118] chdir("./273" [pid 7116] close(15 [pid 3486] getdents64(3, [pid 3485] getdents64(3, [pid 3484] rmdir("./283" [pid 7118] <... chdir resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 7118] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7116] close(16 [pid 3486] close(3 [pid 3485] close(3 [pid 3484] mkdir("./284", 0777 [pid 7118] <... prctl resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] rmdir("./279" [pid 7118] setpgid(0, 0 [pid 7116] close(17 [pid 3486] rmdir("./290" [pid 3485] rmdir("./285" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7118] <... setpgid resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7119 attached [pid 7118] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7116] close(18 [pid 3486] mkdir("./291", 0777 [pid 3485] mkdir("./286", 0777 [pid 7119] set_robust_list(0x5555562645e0, 24 [pid 7118] <... symlink resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./280", 0777 [pid 7119] <... set_robust_list resumed>) = 0 [pid 7118] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7116] close(19 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 570 [pid 3483] <... mkdir resumed>) = 0 [pid 7119] chdir("./284" [pid 7118] <... symlink resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7120 attached [pid 7119] <... chdir resumed>) = 0 [pid 7118] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7116] close(20 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7121 attached [pid 7120] set_robust_list(0x5555562645e0, 24 [pid 7119] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7118] <... symlink resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 562 [pid 7121] set_robust_list(0x5555562645e0, 24 [pid 7120] <... set_robust_list resumed>) = 0 [pid 7118] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7122 attached [pid 7121] <... set_robust_list resumed>) = 0 [pid 7120] chdir("./280" [pid 7119] <... prctl resumed>) = 0 [pid 7118] <... openat resumed>) = 3 [pid 7116] close(21 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 584 [pid 7122] set_robust_list(0x5555562645e0, 24 [pid 7121] chdir("./291" [pid 7120] <... chdir resumed>) = 0 [pid 7119] setpgid(0, 0 [pid 7118] write(3, "1000", 4 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 574 [pid 7122] <... set_robust_list resumed>) = 0 [pid 7121] <... chdir resumed>) = 0 [pid 7120] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7119] <... setpgid resumed>) = 0 [pid 7118] <... write resumed>) = 4 [pid 7121] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7120] <... prctl resumed>) = 0 [pid 7118] close(3 [pid 7116] close(22 [pid 7122] chdir("./286" [pid 7121] <... prctl resumed>) = 0 [pid 7120] setpgid(0, 0 [pid 7119] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7118] <... close resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] <... chdir resumed>) = 0 [pid 7121] setpgid(0, 0 [pid 7120] <... setpgid resumed>) = 0 [pid 7118] read(200, [pid 7122] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7121] <... setpgid resumed>) = 0 [pid 7120] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7119] <... symlink resumed>) = 0 [pid 7118] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7116] close(23 [pid 7122] <... prctl resumed>) = 0 [pid 7121] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7120] <... symlink resumed>) = 0 [pid 7119] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7118] symlink("/dev/binderfs", "./binderfs" [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] setpgid(0, 0 [pid 7121] <... symlink resumed>) = 0 [pid 7120] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7119] <... symlink resumed>) = 0 [pid 7118] <... symlink resumed>) = 0 [pid 7116] close(24 [pid 7122] <... setpgid resumed>) = 0 [pid 7121] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7120] <... symlink resumed>) = 0 [pid 7119] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7118] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7121] <... symlink resumed>) = 0 [pid 7120] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7119] <... symlink resumed>) = 0 [pid 7116] close(25 [pid 7122] <... symlink resumed>) = 0 [pid 7121] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7118] <... futex resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7120] <... symlink resumed>) = 0 [pid 7119] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7116] close(26 [pid 7122] <... symlink resumed>) = 0 [pid 7121] <... symlink resumed>) = 0 [pid 7120] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7119] <... openat resumed>) = 3 [pid 7118] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7122] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7121] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7120] <... openat resumed>) = 3 [pid 7119] write(3, "1000", 4 [pid 7118] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] <... symlink resumed>) = 0 [pid 7121] <... openat resumed>) = 3 [pid 7120] write(3, "1000", 4 [pid 7119] <... write resumed>) = 4 [pid 7118] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7122] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7121] write(3, "1000", 4 [pid 7120] <... write resumed>) = 4 [pid 7119] close(3 [pid 7118] <... mprotect resumed>) = 0 [pid 7116] close(27 [pid 7122] <... openat resumed>) = 3 [pid 7121] <... write resumed>) = 4 [pid 7120] close(3 [pid 7119] <... close resumed>) = 0 [pid 7118] 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 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] write(3, "1000", 4 [pid 7121] close(3 [pid 7120] <... close resumed>) = 0 [pid 7119] read(200, ./strace-static-x86_64: Process 7123 attached [pid 7121] <... close resumed>) = 0 [pid 7120] read(200, [pid 7119] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7118] <... clone resumed>, parent_tid=[549], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 549 [pid 7116] close(28 [pid 7121] read(200, [pid 7120] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7119] symlink("/dev/binderfs", "./binderfs" [pid 7118] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7123] set_robust_list(0x7fa7c8c309e0, 24 [pid 7122] <... write resumed>) = 4 [pid 7121] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7120] symlink("/dev/binderfs", "./binderfs" [pid 7119] <... symlink resumed>) = 0 [pid 7118] <... futex resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7123] <... set_robust_list resumed>) = 0 [pid 7122] close(3 [pid 7121] symlink("/dev/binderfs", "./binderfs" [pid 7120] <... symlink resumed>) = 0 [pid 7119] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7116] close(29 [pid 7123] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7122] <... close resumed>) = 0 [pid 7116] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7123] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] read(200, [pid 7121] <... symlink resumed>) = 0 [pid 7120] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = 0 [pid 7116] exit_group(0 [pid 7123] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... futex resumed>) = 0 [pid 7119] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7117] <... futex resumed>) = ? [pid 7116] <... exit_group resumed>) = ? [pid 7123] <... futex resumed>) = 1 [pid 7122] symlink("/dev/binderfs", "./binderfs" [pid 7121] <... futex resumed>) = 0 [pid 7120] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7119] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7118] <... futex resumed>) = 0 [pid 7123] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7121] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7120] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7119] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7122] <... symlink resumed>) = 0 [pid 7117] +++ exited with 0 +++ [pid 7121] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7120] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7119] <... mprotect resumed>) = 0 [pid 7118] close(3 [pid 7122] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7120] <... mprotect resumed>) = 0 [pid 7119] 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 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7116] +++ exited with 0 +++ ./strace-static-x86_64: Process 7124 attached [pid 7122] <... futex resumed>) = 0 [pid 7121] <... mprotect resumed>) = 0 [pid 7120] 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 7118] close(4 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- ./strace-static-x86_64: Process 7125 attached [pid 7124] set_robust_list(0x7fa7c8c309e0, 24 [pid 7122] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7121] 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 7119] <... clone resumed>, parent_tid=[571], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 571 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7126 attached [pid 7125] set_robust_list(0x7fa7c8c309e0, 24 [pid 7124] <... set_robust_list resumed>) = 0 [pid 7122] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7120] <... clone resumed>, parent_tid=[563], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 563 [pid 7119] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7118] close(5 [pid 7126] set_robust_list(0x7fa7c8c309e0, 24 [pid 7125] <... set_robust_list resumed>) = 0 [pid 7124] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7122] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7121] <... clone resumed>, parent_tid=[585], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 585 [pid 7120] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7119] <... futex resumed>) = 0 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7126] <... set_robust_list resumed>) = 0 [pid 7125] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7124] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] <... mprotect resumed>) = 0 [pid 7121] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7120] <... futex resumed>) = 0 [pid 7119] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7118] close(6 [pid 7126] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7125] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7124] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] 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 7121] <... futex resumed>) = 0 [pid 7120] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7119] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7127 attached [pid 7126] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7125] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7124] <... futex resumed>) = 0 [pid 7121] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7120] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7119] close(3 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7127] set_robust_list(0x7fa7c8c309e0, 24 [pid 7126] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7125] <... futex resumed>) = 0 [pid 7124] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7122] <... clone resumed>, parent_tid=[575], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 575 [pid 7121] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7120] close(3 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(7 [pid 3487] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7127] <... set_robust_list resumed>) = 0 [pid 7126] <... futex resumed>) = 0 [pid 7125] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7122] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7121] close(3 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(4 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7127] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7126] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7122] <... futex resumed>) = 0 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(4 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(8 [pid 3487] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7127] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7121] close(4 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(5 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 7127] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7122] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(5 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(9 [pid 3487] fstat(3, [pid 7127] <... futex resumed>) = 0 [pid 7122] close(3 [pid 7121] close(5 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(6 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7127] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(6 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(6 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(7 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(7 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(10 [pid 3487] getdents64(3, [pid 7122] close(4 [pid 7121] close(7 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(8 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(8 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7122] close(5 [pid 7121] close(8 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(9 [pid 7118] close(11 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(9 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] close(6 [pid 7121] close(9 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(10 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(10 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(12 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7122] close(7 [pid 7121] close(10 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(11 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(11 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./293/binderfs", [pid 7122] close(8 [pid 7121] close(11 [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(12 [pid 7118] close(13 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] close(12 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7122] close(9 [pid 7121] close(12 [pid 7118] close(14 [pid 3487] unlink("./293/binderfs" [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(13 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7122] close(10 [pid 7121] close(13 [pid 7120] close(13 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(15 [pid 3487] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(14 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7122] close(11 [pid 7121] close(14 [pid 7120] close(14 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(16 [pid 3487] lstat("./293/cgroup", [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7122] close(12 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(15 [pid 7118] close(17 [pid 3487] unlink("./293/cgroup" [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(15 [pid 7120] close(15 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7122] close(13 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(16 [pid 7118] close(18 [pid 3487] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(16 [pid 7120] close(16 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7122] close(14 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(17 [pid 7118] close(19 [pid 3487] lstat("./293/cgroup.net", [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7121] close(17 [pid 7122] close(15 [pid 7120] close(17 [pid 7119] close(18 [pid 7118] close(20 [pid 3487] unlink("./293/cgroup.net" [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7122] close(16 [pid 7121] close(18 [pid 7120] close(18 [pid 7119] close(19 [pid 7118] close(21 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] close(17 [pid 7121] close(19 [pid 7120] close(19 [pid 7119] close(20 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7118] close(22 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./293/cgroup.cpu", [pid 7121] close(20 [pid 7120] close(20 [pid 7119] close(21 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] close(18 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(21 [pid 7120] close(21 [pid 7118] close(23 [pid 3487] unlink("./293/cgroup.cpu" [pid 7122] close(19 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(22 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(22 [pid 7120] close(22 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(24 [pid 3487] getdents64(3, [pid 7122] close(20 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(23 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(23 [pid 7120] close(23 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(25 [pid 3487] close(3 [pid 7122] close(21 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(24 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(24 [pid 7120] close(24 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(26 [pid 3487] rmdir("./293" [pid 7122] close(22 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(25 [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] close(25 [pid 7120] close(25 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(27 [pid 3487] <... rmdir resumed>) = 0 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(26 [pid 7121] close(26 [pid 7120] close(26 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] close(27 [pid 7121] close(27 [pid 7120] close(27 [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./294", 0777 [pid 7122] close(23 [pid 7121] close(28 [pid 7120] close(28 [pid 7119] close(28 [pid 7118] close(28 [pid 3487] <... mkdir resumed>) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7122] close(24 [pid 7121] close(29 [pid 7120] close(29 [pid 7119] close(29 [pid 7121] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7120] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7119] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] close(29./strace-static-x86_64: Process 7128 attached [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7121] exit_group(0 [pid 7120] exit_group(0 [pid 7119] exit_group(0 [pid 7128] set_robust_list(0x5555562645e0, 24 [pid 7126] <... futex resumed>) = ? [pid 7125] <... futex resumed>) = ? [pid 7124] <... futex resumed>) = ? [pid 7122] close(25 [pid 7121] <... exit_group resumed>) = ? [pid 7120] <... exit_group resumed>) = ? [pid 7119] <... exit_group resumed>) = ? [pid 7118] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 590 [pid 7128] <... set_robust_list resumed>) = 0 [pid 7126] +++ exited with 0 +++ [pid 7125] +++ exited with 0 +++ [pid 7124] +++ exited with 0 +++ [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7118] exit_group(0 [pid 7128] chdir("./294" [pid 7123] <... futex resumed>) = ? [pid 7121] +++ exited with 0 +++ [pid 7118] <... exit_group resumed>) = ? [pid 7128] <... chdir resumed>) = 0 [pid 7123] +++ exited with 0 +++ [pid 7118] +++ exited with 0 +++ [pid 7128] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7122] close(26 [pid 7120] +++ exited with 0 +++ [pid 7119] +++ exited with 0 +++ [pid 7128] <... prctl resumed>) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=548, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7128] setpgid(0, 0 [pid 7122] close(27 [pid 3482] umount2("./273", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7128] <... setpgid resumed>) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7128] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7122] close(28 [pid 3486] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./273", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7128] <... symlink resumed>) = 0 [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 7128] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7122] close(29 [pid 3486] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] fstat(3, [pid 7128] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7128] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7122] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] getdents64(3, [pid 7128] <... symlink resumed>) = 0 [pid 3486] <... openat resumed>) = 3 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7128] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7122] exit_group(0 [pid 3486] fstat(3, [pid 3484] <... openat resumed>) = 3 [pid 3483] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./273/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7128] <... openat resumed>) = 3 [pid 7122] <... exit_group resumed>) = ? [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7128] write(3, "1000", 4 [pid 7127] <... futex resumed>) = ? [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] fstat(3, [pid 3482] lstat("./273/binderfs", [pid 7128] <... write resumed>) = 4 [pid 3483] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7128] close(3 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] unlink("./273/binderfs" [pid 7128] <... close resumed>) = 0 [pid 3486] getdents64(3, [pid 3484] getdents64(3, [pid 3483] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 7128] read(200, [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] fstat(3, [pid 3482] umount2("./273/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7128] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7128] symlink("/dev/binderfs", "./binderfs" [pid 3486] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] lstat("./273/cgroup", [pid 7128] <... symlink resumed>) = 0 [pid 7127] +++ exited with 0 +++ [pid 7122] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7128] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] lstat("./291/binderfs", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./273/cgroup" [pid 3484] lstat("./284/binderfs", [pid 7128] <... futex resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7128] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./273/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7128] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7128] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3482] lstat("./273/cgroup.net", [pid 7128] <... mprotect resumed>) = 0 [pid 3484] unlink("./284/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./291/binderfs" [pid 7128] 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] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] unlink("./273/cgroup.net"./strace-static-x86_64: Process 7129 attached [pid 3486] <... unlink resumed>) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./280/binderfs", [pid 3482] <... unlink resumed>) = 0 [pid 7129] set_robust_list(0x7fa7c8c309e0, 24 [pid 7128] <... clone resumed>, parent_tid=[591], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 591 [pid 3482] umount2("./273/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7129] <... set_robust_list resumed>) = 0 [pid 7128] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... restart_syscall resumed>) = 0 [pid 3484] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7129] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7128] <... futex resumed>) = 0 [pid 3482] lstat("./273/cgroup.cpu", [pid 7129] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7128] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./280/binderfs" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7129] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] lstat("./291/cgroup", [pid 3484] lstat("./284/cgroup", [pid 3482] unlink("./273/cgroup.cpu" [pid 7129] <... futex resumed>) = 0 [pid 7128] close(3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7129] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7128] close(4 [pid 3486] unlink("./291/cgroup" [pid 3485] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./284/cgroup" [pid 3483] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 7128] close(5 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... close resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./273" [pid 7128] close(6 [pid 3486] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... rmdir resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3482] mkdir("./274", 0777 [pid 7128] close(7 [pid 3486] lstat("./291/cgroup.net", [pid 3485] fstat(3, [pid 3484] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./280/cgroup", [pid 3482] <... mkdir resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7128] close(8 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7130 attached [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7128] close(9 [pid 3486] unlink("./291/cgroup.net" [pid 3485] getdents64(3, [pid 3484] lstat("./284/cgroup.net", [pid 3483] unlink("./280/cgroup" [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 550 [pid 7130] set_robust_list(0x5555562645e0, 24 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7128] close(10) = -1 EBADF (Bad file descriptor) [pid 7128] close(11 [pid 3486] <... unlink resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7128] close(12) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7130] <... set_robust_list resumed>) = 0 [pid 7128] close(13 [pid 3486] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] unlink("./284/cgroup.net" [pid 3483] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7130] chdir("./274" [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7128] close(14) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 7130] <... chdir resumed>) = 0 [pid 7128] close(15 [pid 3485] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7130] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7130] <... prctl resumed>) = 0 [pid 7128] close(16 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./280/cgroup.net", [pid 7130] setpgid(0, 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./291/cgroup.cpu", [pid 3485] lstat("./286/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7130] <... setpgid resumed>) = 0 [pid 7128] close(17 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./286/binderfs" [pid 3484] lstat("./284/cgroup.cpu", [pid 3483] unlink("./280/cgroup.net" [pid 7130] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7128] close(18 [pid 3486] unlink("./291/cgroup.cpu" [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 7128] close(19 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7130] <... symlink resumed>) = 0 [pid 7128] close(20 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7130] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3484] unlink("./284/cgroup.cpu" [pid 3483] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7128] close(21 [pid 3485] lstat("./286/cgroup", [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... symlink resumed>) = 0 [pid 7128] close(22) = -1 EBADF (Bad file descriptor) [pid 7128] close(23 [pid 3484] <... unlink resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7130] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7128] close(24 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] getdents64(3, [pid 7130] <... symlink resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3485] unlink("./286/cgroup" [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./280/cgroup.cpu", [pid 7130] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7128] close(25 [pid 3486] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7130] <... openat resumed>) = 3 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./291" [pid 3485] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./280/cgroup.cpu" [pid 7130] write(3, "1000", 4 [pid 7128] close(26 [pid 3486] <... rmdir resumed>) = 0 [pid 7130] <... write resumed>) = 4 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./292", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] rmdir("./284" [pid 3483] <... unlink resumed>) = 0 [pid 7130] close(3 [pid 7128] close(27 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./286/cgroup.net", [pid 3484] <... rmdir resumed>) = 0 [pid 3483] getdents64(3, [pid 7130] <... close resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [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] mkdir("./285", 0777 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7131 attached [pid 7130] read(200, [pid 7128] close(28 [pid 3485] unlink("./286/cgroup.net" [pid 3484] <... mkdir resumed>) = 0 [pid 3483] close(3 [pid 7131] set_robust_list(0x5555562645e0, 24 [pid 7130] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 586 [pid 3485] <... unlink resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... close resumed>) = 0 ./strace-static-x86_64: Process 7132 attached [pid 7131] <... set_robust_list resumed>) = 0 [pid 7130] symlink("/dev/binderfs", "./binderfs" [pid 7128] close(29 [pid 3485] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] rmdir("./280" [pid 7132] set_robust_list(0x5555562645e0, 24 [pid 7131] chdir("./292" [pid 7130] <... symlink resumed>) = 0 [pid 7128] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7132] <... set_robust_list resumed>) = 0 [pid 7131] <... chdir resumed>) = 0 [pid 7130] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7128] exit_group(0 [pid 3485] lstat("./286/cgroup.cpu", [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 572 [pid 3483] <... rmdir resumed>) = 0 [pid 7132] chdir("./285" [pid 7131] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7130] <... futex resumed>) = 0 [pid 7129] <... futex resumed>) = ? [pid 7128] <... exit_group resumed>) = ? [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] mkdir("./281", 0777 [pid 7132] <... chdir resumed>) = 0 [pid 7131] <... prctl resumed>) = 0 [pid 7130] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7129] +++ exited with 0 +++ [pid 7128] +++ exited with 0 +++ [pid 3485] unlink("./286/cgroup.cpu" [pid 3483] <... mkdir resumed>) = 0 [pid 7132] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7131] setpgid(0, 0 [pid 7130] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] <... unlink resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7133 attached [pid 7132] <... prctl resumed>) = 0 [pid 7131] <... setpgid resumed>) = 0 [pid 7130] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3485] getdents64(3, [pid 7131] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7130] <... mprotect resumed>) = 0 [pid 3487] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 564 [pid 7133] set_robust_list(0x5555562645e0, 24 [pid 7132] setpgid(0, 0 [pid 7131] <... symlink resumed>) = 0 [pid 7130] 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 3485] close(3 [pid 7133] <... set_robust_list resumed>) = 0 [pid 7132] <... setpgid resumed>) = 0 [pid 7131] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3487] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... close resumed>) = 0 ./strace-static-x86_64: Process 7134 attached [pid 7133] chdir("./281" [pid 7132] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7131] <... symlink resumed>) = 0 [pid 7134] set_robust_list(0x7fa7c8c309e0, 24 [pid 7133] <... chdir resumed>) = 0 [pid 7132] <... symlink resumed>) = 0 [pid 7131] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7130] <... clone resumed>, parent_tid=[551], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 551 [pid 3487] <... openat resumed>) = 3 [pid 3485] rmdir("./286" [pid 7134] <... set_robust_list resumed>) = 0 [pid 7133] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7132] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7131] <... symlink resumed>) = 0 [pid 7130] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] fstat(3, [pid 3485] <... rmdir resumed>) = 0 [pid 7134] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7133] <... prctl resumed>) = 0 [pid 7132] <... symlink resumed>) = 0 [pid 7131] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7130] <... futex resumed>) = 0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] mkdir("./287", 0777 [pid 7134] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] setpgid(0, 0 [pid 7132] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7131] <... openat resumed>) = 3 [pid 7130] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] <... setpgid resumed>) = 0 [pid 7132] <... symlink resumed>) = 0 [pid 7131] write(3, "1000", 4 [pid 3487] getdents64(3, [pid 3485] <... mkdir resumed>) = 0 [pid 7134] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7132] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7131] <... write resumed>) = 4 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7135 attached [pid 7134] <... futex resumed>) = 1 [pid 7133] <... symlink resumed>) = 0 [pid 7132] <... openat resumed>) = 3 [pid 7131] close(3 [pid 7130] <... futex resumed>) = 0 [pid 3487] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7135] set_robust_list(0x5555562645e0, 24 [pid 7134] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7133] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7132] write(3, "1000", 4 [pid 7131] <... close resumed>) = 0 [pid 7130] close(3 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 576 [pid 7135] <... set_robust_list resumed>) = 0 [pid 7133] <... symlink resumed>) = 0 [pid 7132] <... write resumed>) = 4 [pid 7131] read(200, [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./294/binderfs", [pid 7135] chdir("./287" [pid 7133] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7132] close(3 [pid 7135] <... chdir resumed>) = 0 [pid 7133] <... symlink resumed>) = 0 [pid 7132] <... close resumed>) = 0 [pid 7131] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] close(4 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7135] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7133] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7132] read(200, [pid 7131] symlink("/dev/binderfs", "./binderfs" [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./294/binderfs" [pid 7135] <... prctl resumed>) = 0 [pid 7133] <... openat resumed>) = 3 [pid 7132] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] setpgid(0, 0 [pid 7133] write(3, "1000", 4 [pid 7132] symlink("/dev/binderfs", "./binderfs" [pid 7135] <... setpgid resumed>) = 0 [pid 7133] <... write resumed>) = 4 [pid 7132] <... symlink resumed>) = 0 [pid 7131] <... symlink resumed>) = 0 [pid 7130] close(5 [pid 3487] <... unlink resumed>) = 0 [pid 7135] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7133] close(3 [pid 7132] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... symlink resumed>) = 0 [pid 7133] <... close resumed>) = 0 [pid 7132] <... futex resumed>) = 0 [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7133] read(200, [pid 7132] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7131] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7135] <... symlink resumed>) = 0 [pid 7133] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7131] <... futex resumed>) = 0 [pid 7130] close(6 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7135] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7133] symlink("/dev/binderfs", "./binderfs" [pid 7132] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7131] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./294/cgroup", [pid 7135] <... symlink resumed>) = 0 [pid 7133] <... symlink resumed>) = 0 [pid 7132] <... mprotect resumed>) = 0 [pid 7135] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7133] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] 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 7131] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7130] close(7 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7136 attached [pid 7135] <... openat resumed>) = 3 [pid 7133] <... futex resumed>) = 0 [pid 7131] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./294/cgroup" [pid 7136] set_robust_list(0x7fa7c8c309e0, 24 [pid 7135] write(3, "1000", 4 [pid 7133] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7132] <... clone resumed>, parent_tid=[573], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 573 [pid 7131] <... mprotect resumed>) = 0 [pid 7130] close(8 [pid 3487] <... unlink resumed>) = 0 [pid 7136] <... set_robust_list resumed>) = 0 [pid 7135] <... write resumed>) = 4 [pid 7133] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7132] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7131] 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 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7137 attached [pid 7136] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7130] close(9 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7137] set_robust_list(0x7fa7c8c309e0, 24 [pid 7136] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... clone resumed>, parent_tid=[587], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 587 [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./294/cgroup.net", [pid 7132] <... futex resumed>) = 0 [pid 7137] <... set_robust_list resumed>) = 0 [pid 7136] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] close(3 [pid 7133] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7131] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7130] close(10 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7137] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7136] <... futex resumed>) = 0 [pid 7135] <... close resumed>) = 0 [pid 7133] <... mprotect resumed>) = 0 [pid 7132] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7131] <... futex resumed>) = 0 [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./294/cgroup.net" [pid 7137] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7136] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] read(200, [pid 7133] 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 7132] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7131] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7130] close(11 [pid 3487] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7138 attached [pid 7137] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] close(3 [pid 7131] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7138] set_robust_list(0x7fa7c8c309e0, 24 [pid 7137] <... futex resumed>) = 0 [pid 7135] symlink("/dev/binderfs", "./binderfs" [pid 7133] <... clone resumed>, parent_tid=[565], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 565 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] close(3 [pid 7130] close(12 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7138] <... set_robust_list resumed>) = 0 [pid 7137] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./294/cgroup.cpu", [pid 7138] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7135] <... symlink resumed>) = 0 [pid 7133] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] close(4 [pid 7131] close(4 [pid 7130] close(13 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7138] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] <... futex resumed>) = 0 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./294/cgroup.cpu" [pid 7138] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... futex resumed>) = 0 [pid 7133] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7132] close(5 [pid 7131] close(5 [pid 7130] close(14 [pid 3487] <... unlink resumed>) = 0 [pid 7138] <... futex resumed>) = 0 [pid 7135] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7133] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 7138] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7133] close(3 [pid 7132] close(6 [pid 7131] close(6 [pid 7130] close(15 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7135] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 7135] <... mprotect resumed>) = 0 [pid 7133] close(4 [pid 7132] close(7 [pid 7131] close(7 [pid 7130] close(16 [pid 3487] <... close resumed>) = 0 [pid 7135] 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 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./294"./strace-static-x86_64: Process 7139 attached [pid 7133] close(5 [pid 7132] close(8 [pid 7131] close(8 [pid 7130] close(17 [pid 3487] <... rmdir resumed>) = 0 [pid 7139] set_robust_list(0x7fa7c8c309e0, 24 [pid 7135] <... clone resumed>, parent_tid=[577], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 577 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./295", 0777 [pid 7139] <... set_robust_list resumed>) = 0 [pid 7135] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7133] close(6 [pid 7132] close(9 [pid 7131] close(9 [pid 7130] close(18 [pid 3487] <... mkdir resumed>) = 0 [pid 7139] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7135] <... futex resumed>) = 0 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7139] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7133] close(7 [pid 7132] close(10 [pid 7131] close(10 [pid 7130] close(19./strace-static-x86_64: Process 7140 attached [pid 7139] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 592 [pid 7140] set_robust_list(0x5555562645e0, 24 [pid 7139] <... futex resumed>) = 0 [pid 7135] close(3 [pid 7133] close(8 [pid 7132] close(11 [pid 7131] close(11 [pid 7130] close(20 [pid 7140] <... set_robust_list resumed>) = 0 [pid 7139] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] chdir("./295" [pid 7135] close(4 [pid 7133] close(9 [pid 7132] close(12 [pid 7131] close(12 [pid 7130] close(21 [pid 7140] <... chdir resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7135] close(5 [pid 7133] close(10 [pid 7132] close(13 [pid 7131] close(13 [pid 7130] close(22 [pid 7140] <... prctl resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] setpgid(0, 0 [pid 7135] close(6 [pid 7133] close(11 [pid 7132] close(14 [pid 7131] close(14 [pid 7130] close(23 [pid 7140] <... setpgid resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7135] close(7 [pid 7133] close(12 [pid 7132] close(15 [pid 7131] close(15 [pid 7130] close(24 [pid 7140] <... symlink resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7135] close(8 [pid 7133] close(13 [pid 7132] close(16 [pid 7131] close(16 [pid 7130] close(25 [pid 7140] <... symlink resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7135] close(9 [pid 7133] close(14 [pid 7132] close(17 [pid 7131] close(17 [pid 7130] close(26 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] <... symlink resumed>) = 0 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(15 [pid 7132] close(18 [pid 7131] close(18 [pid 7130] close(27 [pid 7140] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7135] close(10 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] <... openat resumed>) = 3 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(16 [pid 7132] close(19 [pid 7131] close(19 [pid 7130] close(28 [pid 7140] write(3, "1000", 4 [pid 7135] close(11 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] close(20 [pid 7131] close(20 [pid 7130] close(29 [pid 7140] <... write resumed>) = 4 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(17 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] close(3 [pid 7135] close(12 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] close(21 [pid 7131] close(21 [pid 7130] exit_group(0 [pid 7140] <... close resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7134] <... futex resumed>) = ? [pid 7133] close(18 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] <... exit_group resumed>) = ? [pid 7140] read(200, [pid 7135] close(13 [pid 7134] +++ exited with 0 +++ [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] close(22 [pid 7131] close(22 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7130] +++ exited with 0 +++ [pid 7140] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(19 [pid 7132] close(23 [pid 7131] close(23 [pid 7140] symlink("/dev/binderfs", "./binderfs" [pid 7135] close(14 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=550, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7140] <... symlink resumed>) = 0 [pid 7132] close(24 [pid 7131] close(24 [pid 7133] close(20 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7140] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7135] close(15 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... restart_syscall resumed>) = 0 [pid 7140] <... futex resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(21 [pid 7132] close(25 [pid 7131] close(25 [pid 7140] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7135] close(16 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(22 [pid 7132] close(26 [pid 7131] close(26 [pid 3482] umount2("./274", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7140] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7135] close(17 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7140] <... mprotect resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(23 [pid 7132] close(27 [pid 7131] close(27 [pid 3482] openat(AT_FDCWD, "./274", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7140] 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 7135] close(18 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7141 attached [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(24 [pid 7132] close(28 [pid 7131] close(28 [pid 3482] fstat(3, [pid 7141] set_robust_list(0x7fa7c8c309e0, 24 [pid 7140] <... clone resumed>, parent_tid=[593], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 593 [pid 7135] close(19 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7141] <... set_robust_list resumed>) = 0 [pid 7140] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7132] close(29 [pid 7131] close(29 [pid 3482] getdents64(3, [pid 7141] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7140] <... futex resumed>) = 0 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(25 [pid 7132] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7131] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7141] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7140] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7135] close(20 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] exit_group(0 [pid 7131] exit_group(0 [pid 3482] umount2("./274/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7141] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7140] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7137] <... futex resumed>) = ? [pid 7136] <... futex resumed>) = ? [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(26 [pid 7132] <... exit_group resumed>) = ? [pid 7131] <... exit_group resumed>) = ? [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7141] <... futex resumed>) = 0 [pid 7140] close(3 [pid 7137] +++ exited with 0 +++ [pid 7136] +++ exited with 0 +++ [pid 7135] close(21 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7141] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7132] +++ exited with 0 +++ [pid 7131] +++ exited with 0 +++ [pid 3482] lstat("./274/binderfs", [pid 7140] close(4 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(27 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, 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 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(22 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3482] unlink("./274/binderfs" [pid 7140] close(5 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(28 [pid 3486] <... restart_syscall resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(23 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./274/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7140] close(6 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] close(29 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] close(24 [pid 7133] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] lstat("./274/cgroup", [pid 7140] close(7 [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7138] <... futex resumed>) = ? [pid 7135] close(25 [pid 7133] <... exit_group resumed>) = ? [pid 3486] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] fstat(3, [pid 3482] unlink("./274/cgroup" [pid 7140] close(8 [pid 7138] +++ exited with 0 +++ [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7133] +++ exited with 0 +++ [pid 3486] fstat(3, [pid 3484] getdents64(3, [pid 3482] umount2("./274/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] getdents64(3, [pid 3484] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./274/cgroup.net", [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./285/binderfs", [pid 3482] unlink("./274/cgroup.net" [pid 7140] close(9 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7135] close(26 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./292/binderfs", [pid 3484] unlink("./285/binderfs" [pid 3482] umount2("./274/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7140] close(10 [pid 7135] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./292/binderfs" [pid 3484] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./274/cgroup.cpu", [pid 7140] close(11 [pid 7135] close(28 [pid 3486] <... unlink resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7140] close(12 [pid 7135] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./285/cgroup", [pid 3483] <... openat resumed>) = 3 [pid 3482] unlink("./274/cgroup.cpu" [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7135] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./292/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] fstat(3, [pid 3482] <... unlink resumed>) = 0 [pid 7140] close(13 [pid 7135] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./285/cgroup" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] getdents64(3, [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7139] <... futex resumed>) = ? [pid 7135] <... exit_group resumed>) = ? [pid 3486] unlink("./292/cgroup" [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7140] close(14 [pid 7139] +++ exited with 0 +++ [pid 7135] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3484] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] close(3 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... close resumed>) = 0 [pid 7140] close(15 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] lstat("./285/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] rmdir("./274" [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./292/cgroup.net", [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./281/binderfs", [pid 7140] close(16 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3484] unlink("./285/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./292/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./281/binderfs" [pid 3482] mkdir("./275", 0777 [pid 7140] close(17 [pid 3486] <... unlink resumed>) = 0 [pid 3484] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... mkdir resumed>) = 0 [pid 7140] close(18 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./285/cgroup.cpu", [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 7142 attached [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./292/cgroup.cpu", [pid 3485] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./281/cgroup", [pid 7142] set_robust_list(0x5555562645e0, 24 [pid 7140] close(19 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] unlink("./285/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 552 [pid 7142] <... set_robust_list resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./292/cgroup.cpu" [pid 3485] fstat(3, [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./281/cgroup" [pid 7142] chdir("./275" [pid 7140] close(20 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 7142] <... chdir resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7142] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7140] close(21 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7142] <... prctl resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3485] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./281/cgroup.net", [pid 7142] setpgid(0, 0 [pid 7140] close(22 [pid 3486] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] rmdir("./285" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7142] <... setpgid resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./292" [pid 3485] lstat("./287/binderfs", [pid 7142] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7140] close(23 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./281/cgroup.net" [pid 7142] <... symlink resumed>) = 0 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./293", 0777 [pid 3485] unlink("./287/binderfs" [pid 3484] mkdir("./286", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 7142] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7140] close(24 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7144 attached ./strace-static-x86_64: Process 7143 attached [pid 7142] <... symlink resumed>) = 0 [pid 7140] close(25 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./281/cgroup.cpu", [pid 7144] set_robust_list(0x5555562645e0, 24 [pid 7143] set_robust_list(0x5555562645e0, 24 [pid 7142] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 588 [pid 3485] lstat("./287/cgroup", [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 574 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7144] <... set_robust_list resumed>) = 0 [pid 7143] <... set_robust_list resumed>) = 0 [pid 7140] close(26 [pid 7142] <... symlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./281/cgroup.cpu" [pid 7144] chdir("./286" [pid 7143] chdir("./293" [pid 7142] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./287/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 7144] <... chdir resumed>) = 0 [pid 7143] <... chdir resumed>) = 0 [pid 7142] <... openat resumed>) = 3 [pid 7140] close(27 [pid 3485] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 7144] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7143] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7142] write(3, "1000", 4 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7144] <... prctl resumed>) = 0 [pid 7143] <... prctl resumed>) = 0 [pid 7142] <... write resumed>) = 4 [pid 7140] close(28 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] close(3 [pid 7144] setpgid(0, 0 [pid 7143] setpgid(0, 0 [pid 7142] close(3 [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./287/cgroup.net", [pid 3483] <... close resumed>) = 0 [pid 7144] <... setpgid resumed>) = 0 [pid 7143] <... setpgid resumed>) = 0 [pid 7142] <... close resumed>) = 0 [pid 7140] close(29 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] rmdir("./281" [pid 7144] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7143] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7142] read(200, [pid 7140] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./287/cgroup.net" [pid 7144] <... symlink resumed>) = 0 [pid 7143] <... symlink resumed>) = 0 [pid 7142] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7140] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 7144] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7143] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7142] symlink("/dev/binderfs", "./binderfs" [pid 7141] <... futex resumed>) = ? [pid 7140] <... exit_group resumed>) = ? [pid 3485] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] mkdir("./282", 0777 [pid 7144] <... symlink resumed>) = 0 [pid 7143] <... symlink resumed>) = 0 [pid 7141] +++ exited with 0 +++ [pid 7140] +++ exited with 0 +++ [pid 7143] symlink("/syzcgroup/net/syz2", "./cgroup.net") = 0 [pid 7144] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7142] <... symlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 7144] <... symlink resumed>) = 0 [pid 7143] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7142] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3485] lstat("./287/cgroup.cpu", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7144] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7143] <... openat resumed>) = 3 [pid 7142] <... futex resumed>) = 0 [pid 3487] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7145 attached [pid 7144] <... openat resumed>) = 3 [pid 7143] write(3, "1000", 4 [pid 7142] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./287/cgroup.cpu" [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 566 [pid 7145] set_robust_list(0x5555562645e0, 24 [pid 7144] write(3, "1000", 4 [pid 7143] <... write resumed>) = 4 [pid 7142] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7145] <... set_robust_list resumed>) = 0 [pid 7144] <... write resumed>) = 4 [pid 7143] close(3 [pid 7142] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] <... openat resumed>) = 3 [pid 3485] <... unlink resumed>) = 0 [pid 7145] chdir("./282" [pid 7144] close(3 [pid 7143] <... close resumed>) = 0 [pid 7142] <... mprotect resumed>) = 0 [pid 3487] fstat(3, [pid 3485] getdents64(3, [pid 7145] <... chdir resumed>) = 0 [pid 7144] <... close resumed>) = 0 [pid 7143] read(200, [pid 7142] 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] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7146 attached [pid 7145] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7144] read(200, [pid 7143] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] getdents64(3, [pid 3485] close(3 [pid 7145] <... prctl resumed>) = 0 [pid 7144] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] <... clone resumed>, parent_tid=[553], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 553 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... close resumed>) = 0 [pid 7144] symlink("/dev/binderfs", "./binderfs" [pid 7142] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] rmdir("./287" [pid 7146] set_robust_list(0x7fa7c8c309e0, 24 [pid 7145] setpgid(0, 0 [pid 7144] <... symlink resumed>) = 0 [pid 7143] symlink("/dev/binderfs", "./binderfs" [pid 7142] <... futex resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... rmdir resumed>) = 0 [pid 7146] <... set_robust_list resumed>) = 0 [pid 7145] <... setpgid resumed>) = 0 [pid 7144] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... symlink resumed>) = 0 [pid 7142] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] lstat("./295/binderfs", [pid 3485] mkdir("./288", 0777 [pid 7146] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7145] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7144] <... futex resumed>) = 0 [pid 7143] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 7146] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... symlink resumed>) = 0 [pid 7144] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7143] <... futex resumed>) = 0 [pid 7146] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7144] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7143] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] unlink("./295/binderfs" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7146] <... futex resumed>) = 1 [pid 7145] <... symlink resumed>) = 0 [pid 7144] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7143] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7142] <... futex resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7147 attached [pid 7146] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7145] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7144] <... mprotect resumed>) = 0 [pid 7143] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7142] close(3 [pid 3487] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 578 [pid 7147] set_robust_list(0x5555562645e0, 24 [pid 7145] <... symlink resumed>) = 0 [pid 7144] 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 7143] <... mprotect resumed>) = 0 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7148 attached [pid 7147] <... set_robust_list resumed>) = 0 [pid 7145] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7143] 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 7142] close(4 [pid 3487] lstat("./295/cgroup", ./strace-static-x86_64: Process 7149 attached [pid 7148] set_robust_list(0x7fa7c8c309e0, 24 [pid 7147] chdir("./288" [pid 7145] <... openat resumed>) = 3 [pid 7144] <... clone resumed>, parent_tid=[575], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 575 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7149] set_robust_list(0x7fa7c8c309e0, 24 [pid 7148] <... set_robust_list resumed>) = 0 [pid 7147] <... chdir resumed>) = 0 [pid 7145] write(3, "1000", 4 [pid 7144] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... clone resumed>, parent_tid=[589], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 589 [pid 7142] close(5 [pid 3487] unlink("./295/cgroup" [pid 7149] <... set_robust_list resumed>) = 0 [pid 7148] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7147] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7145] <... write resumed>) = 4 [pid 7144] <... futex resumed>) = 0 [pid 7143] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7149] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7148] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... prctl resumed>) = 0 [pid 7145] close(3 [pid 7144] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7143] <... futex resumed>) = 0 [pid 7142] close(6 [pid 3487] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7149] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7148] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] setpgid(0, 0 [pid 7145] <... close resumed>) = 0 [pid 7144] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7143] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7149] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7148] <... futex resumed>) = 0 [pid 7147] <... setpgid resumed>) = 0 [pid 7145] read(200, [pid 7144] close(3 [pid 7143] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7142] close(7 [pid 3487] lstat("./295/cgroup.net", [pid 7149] <... futex resumed>) = 0 [pid 7148] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7145] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(3 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7149] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] <... symlink resumed>) = 0 [pid 7145] symlink("/dev/binderfs", "./binderfs" [pid 7144] close(4 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] close(8 [pid 3487] unlink("./295/cgroup.net" [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7144] close(5 [pid 7142] close(9 [pid 3487] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7147] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7145] <... symlink resumed>) = 0 [pid 7144] close(6 [pid 7143] close(4 [pid 7142] close(10 [pid 3487] lstat("./295/cgroup.cpu", [pid 7145] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7147] <... symlink resumed>) = 0 [pid 7145] <... futex resumed>) = 0 [pid 7144] close(7 [pid 7143] close(5 [pid 7142] close(11 [pid 3487] unlink("./295/cgroup.cpu" [pid 7147] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7145] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... symlink resumed>) = 0 [pid 7145] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7143] close(6 [pid 7144] close(8 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7147] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7145] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] close(12 [pid 3487] getdents64(3, [pid 7147] <... openat resumed>) = 3 [pid 7145] <... mprotect resumed>) = 0 [pid 7144] close(9 [pid 7143] close(7 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7147] write(3, "1000", 4 [pid 7145] 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 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7150 attached [pid 7147] <... write resumed>) = 4 [pid 7144] close(10 [pid 7143] close(8 [pid 7142] close(13 [pid 3487] close(3 [pid 7150] set_robust_list(0x7fa7c8c309e0, 24 [pid 7147] close(3 [pid 7145] <... clone resumed>, parent_tid=[567], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 567 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... close resumed>) = 0 [pid 7145] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] close(9 [pid 7147] read(200, [pid 7145] <... futex resumed>) = 0 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7145] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7143] close(10 [pid 7147] symlink("/dev/binderfs", "./binderfs" [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... symlink resumed>) = 0 [pid 7143] close(11 [pid 7147] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... futex resumed>) = 0 [pid 7143] close(12 [pid 3487] <... close resumed>) = 0 [pid 7147] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7143] close(13 [pid 7147] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... mprotect resumed>) = 0 [pid 7143] close(14 [pid 7147] 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 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] close(14 [pid 7144] close(11./strace-static-x86_64: Process 7151 attached [pid 7150] <... set_robust_list resumed>) = 0 [pid 7143] close(15 [pid 3487] rmdir("./295" [pid 7151] set_robust_list(0x7fa7c8c309e0, 24 [pid 7150] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7147] <... clone resumed>, parent_tid=[579], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 579 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7143] close(16 [pid 7147] <... futex resumed>) = 0 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7143] close(17) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 7151] <... set_robust_list resumed>) = 0 [pid 7150] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(18 [pid 7144] close(12 [pid 7151] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7150] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] close(15 [pid 3487] mkdir("./296", 0777 [pid 7151] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7150] <... futex resumed>) = 1 [pid 7145] <... futex resumed>) = 0 [pid 7144] close(13 [pid 7143] close(19 [pid 7145] close(3 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7150] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7151] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(20 [pid 7145] close(4 [pid 7144] close(14 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] close(16 [pid 7151] <... futex resumed>) = 1 [pid 7147] <... futex resumed>) = 0 [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(21 [pid 7147] close(3 [pid 7145] close(5 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(22 [pid 3487] <... mkdir resumed>) = 0 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7151] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7147] close(4 [pid 7145] close(6 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(15 [pid 7143] close(23 [pid 7142] close(17 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7147] close(5 [pid 7145] close(7 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(24 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] close(6 [pid 7145] close(8 [pid 7144] close(16 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] close(18 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(25 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] close(7 [pid 7145] close(9 [pid 7144] close(17 [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7152 attached [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] close(26 [pid 7142] close(19 [pid 7152] set_robust_list(0x5555562645e0, 24 [pid 7147] close(8 [pid 7145] close(10 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 594 [pid 7152] <... set_robust_list resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(18 [pid 7143] close(27 [pid 7142] close(20 [pid 7152] chdir("./296" [pid 7147] close(9 [pid 7145] close(11 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... chdir resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(19 [pid 7143] close(28 [pid 7142] close(21 [pid 7152] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7147] close(10 [pid 7145] close(12 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... prctl resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(20 [pid 7143] close(29 [pid 7142] close(22 [pid 7152] setpgid(0, 0 [pid 7147] close(11 [pid 7145] close(13 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... setpgid resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(21 [pid 7143] exit_group(0 [pid 7142] close(23 [pid 7152] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7147] close(12 [pid 7145] close(14 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] <... exit_group resumed>) = ? [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... symlink resumed>) = 0 [pid 7149] <... futex resumed>) = ? [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(22 [pid 7142] close(24 [pid 7152] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7149] +++ exited with 0 +++ [pid 7147] close(13 [pid 7145] close(15 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7143] +++ exited with 0 +++ [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... symlink resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(23 [pid 7142] close(25 [pid 7152] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7147] close(14 [pid 7145] close(16 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... symlink resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7152] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7147] close(15 [pid 7145] close(17 [pid 7144] close(24 [pid 7142] close(26 [pid 7152] <... openat resumed>) = 3 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 7152] write(3, "1000", 4 [pid 7147] close(16 [pid 7145] close(18 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... write resumed>) = 4 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(25 [pid 3486] <... restart_syscall resumed>) = 0 [pid 7152] close(3 [pid 7147] close(17 [pid 7145] close(19 [pid 7142] close(27 [pid 7152] <... close resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] read(200, [pid 7147] close(18 [pid 7145] close(20 [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] symlink("/dev/binderfs", "./binderfs" [pid 7147] close(19 [pid 7145] close(21 [pid 7152] <... symlink resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(26 [pid 7142] close(28 [pid 7152] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] close(20 [pid 7145] close(22 [pid 7152] <... futex resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7147] close(21 [pid 7145] close(23 [pid 7152] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(27 [pid 7142] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7147] close(22 [pid 7145] close(24 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... mprotect resumed>) = 0 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7152] 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 7147] close(23 [pid 7145] close(25 [pid 7144] close(28 [pid 7142] exit_group(0./strace-static-x86_64: Process 7153 attached [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7153] set_robust_list(0x7fa7c8c309e0, 24 [pid 7152] <... clone resumed>, parent_tid=[595], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 595 [pid 7147] close(24 [pid 7146] <... futex resumed>) = ? [pid 7145] close(26 [pid 7142] <... exit_group resumed>) = ? [pid 7153] <... set_robust_list resumed>) = 0 [pid 7152] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7146] +++ exited with 0 +++ [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] close(29 [pid 3486] fstat(3, [pid 7153] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7152] <... futex resumed>) = 0 [pid 7147] close(25 [pid 7145] close(27 [pid 7153] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7153] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7152] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7147] close(26 [pid 7145] close(28 [pid 7153] <... futex resumed>) = 0 [pid 7152] close(3 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7142] +++ exited with 0 +++ [pid 7153] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] close(27 [pid 7145] close(29 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7152] close(4 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] close(28 [pid 7145] exit_group(0 [pid 7152] close(5 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7145] <... exit_group resumed>) = ? [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7150] <... futex resumed>) = ? [pid 7147] close(29 [pid 7144] exit_group(0 [pid 3486] getdents64(3, [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=552, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7152] close(6 [pid 7147] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7144] <... exit_group resumed>) = ? [pid 7148] <... futex resumed>) = ? [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7147] exit_group(0 [pid 7152] close(7 [pid 7151] <... futex resumed>) = ? [pid 7147] <... exit_group resumed>) = ? [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7151] +++ exited with 0 +++ [pid 7150] +++ exited with 0 +++ [pid 7147] +++ exited with 0 +++ [pid 7145] +++ exited with 0 +++ [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7152] close(8 [pid 3486] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] close(9 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./293/binderfs", [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3482] umount2("./275", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] close(10 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./293/binderfs" [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] close(11 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7152] close(12) = -1 EBADF (Bad file descriptor) [pid 7152] close(13) = -1 EBADF (Bad file descriptor) [pid 7152] close(14) = -1 EBADF (Bad file descriptor) [pid 7152] close(15) = -1 EBADF (Bad file descriptor) [pid 7152] close(16) = -1 EBADF (Bad file descriptor) [pid 7152] close(17) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7152] close(18 [pid 3485] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./275", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... openat resumed>) = 3 [pid 7152] close(19 [pid 3482] <... openat resumed>) = 3 [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 3482] fstat(3, [pid 7152] close(20 [pid 7148] +++ exited with 0 +++ [pid 7144] +++ exited with 0 +++ [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] close(21 [pid 3486] lstat("./293/cgroup", [pid 3485] getdents64(3, [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] close(22 [pid 3482] getdents64(3, [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7152] close(23 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... openat resumed>) = 3 [pid 7152] close(24) = -1 EBADF (Bad file descriptor) [pid 7152] close(25) = -1 EBADF (Bad file descriptor) [pid 7152] close(26) = -1 EBADF (Bad file descriptor) [pid 7152] close(27) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] fstat(3, [pid 3482] umount2("./275/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7152] close(28 [pid 3486] unlink("./293/cgroup" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./288/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] lstat("./275/binderfs", [pid 7152] close(29 [pid 3486] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7152] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./288/binderfs" [pid 3484] <... openat resumed>) = 3 [pid 3483] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./275/binderfs" [pid 7152] exit_group(0 [pid 3486] lstat("./293/cgroup.net", [pid 3485] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7153] <... futex resumed>) = ? [pid 7152] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] lstat("./282/binderfs", [pid 3482] umount2("./275/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7153] +++ exited with 0 +++ [pid 3486] unlink("./293/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7152] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./288/cgroup", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] unlink("./282/binderfs" [pid 3482] lstat("./275/cgroup", [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./288/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./275/cgroup" [pid 3486] lstat("./293/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./286/binderfs", [pid 3487] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 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("./293/cgroup.cpu" [pid 3487] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./286/binderfs" [pid 3483] lstat("./282/cgroup", [pid 3482] umount2("./275/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... openat resumed>) = 3 [pid 3486] getdents64(3, [pid 3485] lstat("./288/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] fstat(3, [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./282/cgroup" [pid 3482] lstat("./275/cgroup.net", [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] close(3 [pid 3485] unlink("./288/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] getdents64(3, [pid 3486] rmdir("./293" [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./286/cgroup", [pid 3483] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./275/cgroup.net" [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3487] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] mkdir("./294", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./286/cgroup" [pid 3483] lstat("./282/cgroup.net", [pid 3482] umount2("./275/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./288/cgroup.cpu", [pid 3484] <... 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 3487] lstat("./296/binderfs", [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] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./282/cgroup.net" [pid 3482] lstat("./275/cgroup.cpu", ./strace-static-x86_64: Process 7154 attached [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./288/cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7154] set_robust_list(0x5555562645e0, 24 [pid 3487] unlink("./296/binderfs" [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 590 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./286/cgroup.net", [pid 3483] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./275/cgroup.cpu" [pid 7154] <... set_robust_list resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7154] chdir("./294" [pid 3487] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./286/cgroup.net" [pid 3483] lstat("./282/cgroup.cpu", [pid 3482] getdents64(3, [pid 7154] <... chdir resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] close(3 [pid 7154] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] lstat("./296/cgroup", [pid 3485] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7154] <... prctl resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] rmdir("./288" [pid 3484] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./282/cgroup.cpu" [pid 3482] close(3 [pid 7154] setpgid(0, 0 [pid 3487] unlink("./296/cgroup" [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7154] <... setpgid resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] mkdir("./289", 0777 [pid 3484] lstat("./286/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 7154] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3487] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] getdents64(3, [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./286/cgroup.cpu" [pid 3482] rmdir("./275" [pid 3487] lstat("./296/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] unlink("./296/cgroup.net") = 0 [pid 3487] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3487] lstat("./296/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] unlink("./296/cgroup.cpu") = 0 [pid 3487] getdents64(3, 0x555556265620 /* 0 entries */, 32768) = 0 [pid 3487] close(3) = 0 [pid 3487] rmdir("./296" [pid 7154] <... symlink resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7154] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3484] getdents64(3, [pid 3483] close(3 [pid 3482] mkdir("./276", 0777 [pid 7154] <... symlink resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [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] <... close resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7154] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3487] mkdir("./297", 0777 [pid 3484] close(3 [pid 3483] rmdir("./282"./strace-static-x86_64: Process 7155 attached [pid 7154] <... symlink resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 580 [pid 3484] <... close resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7155] set_robust_list(0x5555562645e0, 24 [pid 7154] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] rmdir("./286" [pid 3483] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7157 attached ./strace-static-x86_64: Process 7156 attached [pid 7155] <... set_robust_list resumed>) = 0 [pid 7154] <... openat resumed>) = 3 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] mkdir("./283", 0777 [pid 7157] set_robust_list(0x5555562645e0, 24 [pid 7156] set_robust_list(0x5555562645e0, 24 [pid 7155] chdir("./289" [pid 7154] write(3, "1000", 4 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 596 [pid 3484] mkdir("./287", 0777 [pid 3483] <... mkdir resumed>) = 0 [pid 7157] <... set_robust_list resumed>) = 0 [pid 7156] <... set_robust_list resumed>) = 0 [pid 7155] <... chdir resumed>) = 0 [pid 7154] <... write resumed>) = 4 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 554 [pid 7157] chdir("./297" [pid 7156] chdir("./276" [pid 7155] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7154] close(3 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7158 attached [pid 7157] <... chdir resumed>) = 0 [pid 7156] <... chdir resumed>) = 0 [pid 7155] <... prctl resumed>) = 0 [pid 7154] <... close resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7158] set_robust_list(0x5555562645e0, 24 [pid 7157] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7156] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7155] setpgid(0, 0 [pid 7154] read(200, [pid 7157] <... prctl resumed>) = 0 [pid 7156] <... prctl resumed>) = 0 [pid 7155] <... setpgid resumed>) = 0 ./strace-static-x86_64: Process 7159 attached [pid 7158] <... set_robust_list resumed>) = 0 [pid 7157] setpgid(0, 0 [pid 7156] setpgid(0, 0 [pid 7155] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7154] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 568 [pid 7159] set_robust_list(0x5555562645e0, 24 [pid 7158] chdir("./283" [pid 7157] <... setpgid resumed>) = 0 [pid 7156] <... setpgid resumed>) = 0 [pid 7155] <... symlink resumed>) = 0 [pid 7154] symlink("/dev/binderfs", "./binderfs" [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 576 [pid 7159] <... set_robust_list resumed>) = 0 [pid 7158] <... chdir resumed>) = 0 [pid 7157] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7156] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7155] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7159] chdir("./287" [pid 7158] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7157] <... symlink resumed>) = 0 [pid 7156] <... symlink resumed>) = 0 [pid 7155] <... symlink resumed>) = 0 [pid 7154] <... symlink resumed>) = 0 [pid 7159] <... chdir resumed>) = 0 [pid 7157] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7156] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7155] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7154] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7158] <... prctl resumed>) = 0 [pid 7157] <... symlink resumed>) = 0 [pid 7156] <... symlink resumed>) = 0 [pid 7155] <... symlink resumed>) = 0 [pid 7154] <... futex resumed>) = 0 [pid 7159] <... prctl resumed>) = 0 [pid 7158] setpgid(0, 0 [pid 7157] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7156] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7155] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7154] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7159] setpgid(0, 0 [pid 7158] <... setpgid resumed>) = 0 [pid 7157] <... symlink resumed>) = 0 [pid 7156] <... symlink resumed>) = 0 [pid 7155] <... openat resumed>) = 3 [pid 7159] <... setpgid resumed>) = 0 [pid 7158] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7157] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7156] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7155] write(3, "1000", 4 [pid 7154] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7159] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7158] <... symlink resumed>) = 0 [pid 7157] <... openat resumed>) = 3 [pid 7156] <... openat resumed>) = 3 [pid 7155] <... write resumed>) = 4 [pid 7159] <... symlink resumed>) = 0 [pid 7157] write(3, "1000", 4 [pid 7156] write(3, "1000", 4 [pid 7155] close(3 [pid 7154] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7159] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7158] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7157] <... write resumed>) = 4 [pid 7156] <... write resumed>) = 4 [pid 7155] <... close resumed>) = 0 [pid 7154] <... mprotect resumed>) = 0 [pid 7159] <... symlink resumed>) = 0 [pid 7157] close(3 [pid 7156] close(3 [pid 7155] read(200, [pid 7159] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7158] <... symlink resumed>) = 0 [pid 7157] <... close resumed>) = 0 [pid 7156] <... close resumed>) = 0 [pid 7155] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7159] <... symlink resumed>) = 0 [pid 7157] read(200, [pid 7158] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7156] read(200, [pid 7155] symlink("/dev/binderfs", "./binderfs" [pid 7154] 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 7159] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7158] <... symlink resumed>) = 0 [pid 7157] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7155] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7160 attached [pid 7159] <... openat resumed>) = 3 [pid 7158] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7157] symlink("/dev/binderfs", "./binderfs" [pid 7156] symlink("/dev/binderfs", "./binderfs" [pid 7155] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] set_robust_list(0x7fa7c8c309e0, 24 [pid 7159] write(3, "1000", 4 [pid 7158] <... openat resumed>) = 3 [pid 7157] <... symlink resumed>) = 0 [pid 7156] <... symlink resumed>) = 0 [pid 7155] <... futex resumed>) = 0 [pid 7154] <... clone resumed>, parent_tid=[591], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 591 [pid 7160] <... set_robust_list resumed>) = 0 [pid 7159] <... write resumed>) = 4 [pid 7158] write(3, "1000", 4 [pid 7157] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7160] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] close(3 [pid 7158] <... write resumed>) = 4 [pid 7157] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7155] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7154] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7160] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7159] <... close resumed>) = 0 [pid 7157] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7156] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7155] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7160] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7159] read(200, [pid 7158] close(3 [pid 7157] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7156] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7155] <... mprotect resumed>) = 0 [pid 7154] <... futex resumed>) = 0 [pid 7160] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7158] <... close resumed>) = 0 [pid 7157] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7156] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7155] 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 7154] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000}./strace-static-x86_64: Process 7161 attached [pid 7160] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] symlink("/dev/binderfs", "./binderfs" [pid 7158] read(200, [pid 7157] <... mprotect resumed>) = 0 [pid 7156] <... mprotect resumed>) = 0 [pid 7154] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7161] set_robust_list(0x7fa7c8c309e0, 24 [pid 7160] <... futex resumed>) = 0 [pid 7159] <... symlink resumed>) = 0 [pid 7158] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7157] 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 7156] 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 7155] <... clone resumed>, parent_tid=[581], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 581 ./strace-static-x86_64: Process 7163 attached ./strace-static-x86_64: Process 7162 attached [pid 7161] <... set_robust_list resumed>) = 0 [pid 7160] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] symlink("/dev/binderfs", "./binderfs" [pid 7155] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7154] close(3 [pid 7163] set_robust_list(0x7fa7c8c309e0, 24 [pid 7162] set_robust_list(0x7fa7c8c309e0, 24 [pid 7161] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7159] <... futex resumed>) = 0 [pid 7157] <... clone resumed>, parent_tid=[597], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 597 [pid 7156] <... clone resumed>, parent_tid=[555], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 555 [pid 7155] <... futex resumed>) = 0 [pid 7163] <... set_robust_list resumed>) = 0 [pid 7162] <... set_robust_list resumed>) = 0 [pid 7161] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7158] <... symlink resumed>) = 0 [pid 7157] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7156] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7155] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7163] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7162] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7161] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7158] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] <... futex resumed>) = 0 [pid 7156] <... futex resumed>) = 0 [pid 7155] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7154] close(4 [pid 7163] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7162] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] <... futex resumed>) = 0 [pid 7159] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7158] <... futex resumed>) = 0 [pid 7157] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7156] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7155] close(3 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7163] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7162] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7161] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] <... mprotect resumed>) = 0 [pid 7158] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7157] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7156] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(5 [pid 7163] <... futex resumed>) = 0 [pid 7162] <... futex resumed>) = 0 [pid 7159] 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 7158] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7157] close(3 [pid 7156] close(3 [pid 7155] close(4 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7164 attached [pid 7163] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7162] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7158] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7164] set_robust_list(0x7fa7c8c309e0, 24 [pid 7159] <... clone resumed>, parent_tid=[577], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 577 [pid 7158] <... mprotect resumed>) = 0 [pid 7157] close(4 [pid 7156] close(4 [pid 7155] close(5 [pid 7154] close(6 [pid 7164] <... set_robust_list resumed>) = 0 [pid 7159] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7158] 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 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7165 attached [pid 7164] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7159] <... futex resumed>) = 0 [pid 7157] close(5 [pid 7156] close(5 [pid 7155] close(6 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7165] set_robust_list(0x7fa7c8c309e0, 24 [pid 7164] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7158] <... clone resumed>, parent_tid=[569], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 569 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(7 [pid 7165] <... set_robust_list resumed>) = 0 [pid 7164] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7158] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7157] close(6 [pid 7156] close(6 [pid 7155] close(7 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7165] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7164] <... futex resumed>) = 0 [pid 7159] close(3 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7165] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7164] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... futex resumed>) = 0 [pid 7157] close(7 [pid 7156] close(7 [pid 7155] close(8 [pid 7154] close(8 [pid 7165] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7159] close(4 [pid 7158] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7165] <... futex resumed>) = 0 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7157] close(8 [pid 7156] close(8 [pid 7155] close(9 [pid 7154] close(9 [pid 7165] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7159] close(5 [pid 7158] close(3 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(9 [pid 7156] close(9 [pid 7155] close(10 [pid 7154] close(10 [pid 7159] close(6 [pid 7158] close(4 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(10 [pid 7156] close(10 [pid 7155] close(11 [pid 7154] close(11 [pid 7159] close(7 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(5 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(11 [pid 7156] close(11 [pid 7155] close(12 [pid 7154] close(12 [pid 7159] close(8 [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(6 [pid 7157] close(12 [pid 7156] close(12 [pid 7155] close(13 [pid 7154] close(13 [pid 7159] close(9 [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(13 [pid 7156] close(13 [pid 7155] close(14 [pid 7159] close(10 [pid 7158] close(7 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(14 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(14 [pid 7156] close(14 [pid 7155] close(15 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(11 [pid 7158] close(8 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(15 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(15 [pid 7156] close(15 [pid 7155] close(16 [pid 7159] close(12 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(16 [pid 7156] close(16 [pid 7155] close(17 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(13 [pid 7158] close(9 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(17 [pid 7156] close(17 [pid 7155] close(18 [pid 7154] close(16 [pid 7159] close(14 [pid 7158] close(10 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(18 [pid 7156] close(18 [pid 7155] close(19 [pid 7159] close(15 [pid 7158] close(11 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(17 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(19 [pid 7156] close(19 [pid 7155] close(20 [pid 7159] close(16 [pid 7158] close(12 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(20 [pid 7156] close(20 [pid 7155] close(21 [pid 7159] close(17 [pid 7158] close(13 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(18 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(21 [pid 7156] close(21 [pid 7155] close(22 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(18 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(14 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(22 [pid 7156] close(22 [pid 7155] close(23 [pid 7154] close(19 [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(19 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(15 [pid 7157] close(23 [pid 7156] close(23 [pid 7155] close(24 [pid 7154] close(20 [pid 7159] close(20 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(24 [pid 7156] close(24 [pid 7155] close(25 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(21 [pid 7158] close(16 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(21 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(25 [pid 7156] close(25 [pid 7155] close(26 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(22 [pid 7158] close(17 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(22 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(26 [pid 7156] close(26 [pid 7155] close(27 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(23 [pid 7158] close(18 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(23 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(27 [pid 7156] close(27 [pid 7155] close(28 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(24 [pid 7158] close(19 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(24 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(25 [pid 7158] close(20 [pid 7157] close(28 [pid 7156] close(28 [pid 7155] close(29 [pid 7154] close(25 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] close(26 [pid 7158] close(21 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] close(26 [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] close(29 [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] close(29 [pid 7159] close(27 [pid 7158] close(22 [pid 7155] exit_group(0 [pid 7154] close(27 [pid 7157] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7156] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7155] <... exit_group resumed>) = ? [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7161] <... futex resumed>) = ? [pid 7159] close(28 [pid 7158] close(23 [pid 7161] +++ exited with 0 +++ [pid 7157] exit_group(0 [pid 7156] exit_group(0 [pid 7154] close(28 [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7163] <... futex resumed>) = ? [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(24 [pid 7156] <... exit_group resumed>) = ? [pid 7155] +++ exited with 0 +++ [pid 7154] close(29 [pid 7162] <... futex resumed>) = ? [pid 7157] <... exit_group resumed>) = ? [pid 7163] +++ exited with 0 +++ [pid 7162] +++ exited with 0 +++ [pid 7159] close(29 [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7154] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7159] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(25 [pid 7154] exit_group(0 [pid 7159] exit_group(0 [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7157] +++ exited with 0 +++ [pid 7156] +++ exited with 0 +++ [pid 7160] <... futex resumed>) = ? [pid 7154] <... exit_group resumed>) = ? [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 7164] <... futex resumed>) = ? [pid 7160] +++ exited with 0 +++ [pid 7159] <... exit_group resumed>) = ? [pid 7158] close(26 [pid 7154] +++ exited with 0 +++ [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=554, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7164] +++ exited with 0 +++ [pid 7159] +++ exited with 0 +++ [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7158] close(27 [pid 3485] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7158] close(28 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3484] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7158] close(29 [pid 3487] <... openat resumed>) = 3 [pid 3486] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./276", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7158] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3486] <... openat resumed>) = 3 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7158] exit_group(0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] fstat(3, [pid 3485] getdents64(3, [pid 3484] <... openat resumed>) = 3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] fstat(3, [pid 7165] <... futex resumed>) = ? [pid 7158] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] openat(AT_FDCWD, "./276", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7165] +++ exited with 0 +++ [pid 3487] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./289/binderfs", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] lstat("./297/binderfs", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7158] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] unlink("./289/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... openat resumed>) = 3 [pid 3487] unlink("./297/binderfs" [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./287/binderfs", [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] fstat(3, [pid 3487] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./287/binderfs" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./294/binderfs", [pid 3485] lstat("./289/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] lstat("./297/cgroup", [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] unlink("./294/binderfs" [pid 3485] unlink("./289/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 3487] unlink("./297/cgroup" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./287/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./287/cgroup" [pid 3483] <... openat resumed>) = 3 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./294/cgroup", [pid 3485] lstat("./289/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3482] umount2("./276/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] lstat("./297/cgroup.net", [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./294/cgroup" [pid 3485] unlink("./289/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] unlink("./297/cgroup.net" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./287/cgroup.net", [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./276/binderfs", [pid 3487] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./287/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./294/cgroup.net", [pid 3485] lstat("./289/cgroup.cpu", [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3487] lstat("./297/cgroup.cpu", [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 3484] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./283/binderfs", [pid 3482] unlink("./276/binderfs" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./294/cgroup.net" [pid 3485] unlink("./289/cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3487] unlink("./297/cgroup.cpu" [pid 3486] <... unlink resumed>) = 0 [pid 3482] umount2("./276/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./287/cgroup.cpu", [pid 3483] unlink("./283/binderfs" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./276/cgroup", [pid 3486] lstat("./294/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3487] getdents64(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] getdents64(3, [pid 3484] unlink("./287/cgroup.cpu" [pid 3482] unlink("./276/cgroup" [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] unlink("./294/cgroup.cpu" [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 3487] close(3 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] umount2("./276/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... close resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] close(3 [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./276/cgroup.net", [pid 3487] rmdir("./297" [pid 3486] close(3 [pid 3485] <... close resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./283/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... close resumed>) = 0 [pid 3482] unlink("./276/cgroup.net" [pid 3486] rmdir("./294" [pid 3482] <... unlink resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] rmdir("./289" [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./276/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] mkdir("./295", 0777 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] mkdir("./298", 0777 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./283/cgroup" [pid 3482] lstat("./276/cgroup.cpu", [pid 3486] 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 7166 attached [pid 3483] <... unlink resumed>) = 0 [pid 3482] unlink("./276/cgroup.cpu" [pid 7166] set_robust_list(0x5555562645e0, 24 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 592 [pid 3482] <... unlink resumed>) = 0 [pid 7166] <... set_robust_list resumed>) = 0 [pid 3482] getdents64(3, [pid 7166] chdir("./295" [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7166] <... chdir resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3484] rmdir("./287" [pid 3483] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] close(3 [pid 7166] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] mkdir("./290", 0777 [pid 3482] <... close resumed>) = 0 [pid 7166] <... prctl resumed>) = 0 [pid 3482] rmdir("./276" [pid 7166] setpgid(0, 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... rmdir resumed>) = 0 [pid 7166] <... setpgid resumed>) = 0 [pid 3484] mkdir("./288", 0777 [pid 3482] mkdir("./277", 0777 [pid 7166] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... mkdir resumed>) = 0 [pid 3483] lstat("./283/cgroup.net", [pid 3482] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7167 attached [pid 7166] <... symlink resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7168 attached [pid 7167] set_robust_list(0x5555562645e0, 24 [pid 7166] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 598 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7168] set_robust_list(0x5555562645e0, 24 [pid 7167] <... set_robust_list resumed>) = 0 [pid 7166] <... symlink resumed>) = 0 [pid 7168] <... set_robust_list resumed>) = 0 [pid 7167] chdir("./298" [pid 7166] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3483] unlink("./283/cgroup.net" [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 556 ./strace-static-x86_64: Process 7170 attached ./strace-static-x86_64: Process 7169 attached [pid 7168] chdir("./277" [pid 7167] <... chdir resumed>) = 0 [pid 7166] <... symlink resumed>) = 0 [pid 7169] set_robust_list(0x5555562645e0, 24 [pid 7168] <... chdir resumed>) = 0 [pid 7167] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7166] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7170] set_robust_list(0x5555562645e0, 24 [pid 7169] <... set_robust_list resumed>) = 0 [pid 7168] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7167] <... prctl resumed>) = 0 [pid 7166] <... openat resumed>) = 3 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 582 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 578 [pid 3483] <... unlink resumed>) = 0 [pid 7170] <... set_robust_list resumed>) = 0 [pid 7169] chdir("./288" [pid 7168] <... prctl resumed>) = 0 [pid 7167] setpgid(0, 0 [pid 7166] write(3, "1000", 4 [pid 7170] chdir("./290" [pid 7169] <... chdir resumed>) = 0 [pid 7168] setpgid(0, 0 [pid 7167] <... setpgid resumed>) = 0 [pid 7166] <... write resumed>) = 4 [pid 3483] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7170] <... chdir resumed>) = 0 [pid 7169] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7168] <... setpgid resumed>) = 0 [pid 7167] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7166] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7170] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7169] <... prctl resumed>) = 0 [pid 7168] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7167] <... symlink resumed>) = 0 [pid 7166] <... close resumed>) = 0 [pid 3483] lstat("./283/cgroup.cpu", [pid 7170] <... prctl resumed>) = 0 [pid 7169] setpgid(0, 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7168] <... symlink resumed>) = 0 [pid 7167] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7166] read(200, [pid 7170] setpgid(0, 0 [pid 7169] <... setpgid resumed>) = 0 [pid 7168] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3483] unlink("./283/cgroup.cpu" [pid 7170] <... setpgid resumed>) = 0 [pid 7169] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7168] <... symlink resumed>) = 0 [pid 7167] <... symlink resumed>) = 0 [pid 7166] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... unlink resumed>) = 0 [pid 7170] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7169] <... symlink resumed>) = 0 [pid 7168] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7167] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7166] symlink("/dev/binderfs", "./binderfs" [pid 7169] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7168] <... symlink resumed>) = 0 [pid 7167] <... symlink resumed>) = 0 [pid 7166] <... symlink resumed>) = 0 [pid 3483] getdents64(3, [pid 7170] <... symlink resumed>) = 0 [pid 7169] <... symlink resumed>) = 0 [pid 7168] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7167] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7166] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7169] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7168] <... openat resumed>) = 3 [pid 7167] <... openat resumed>) = 3 [pid 7166] <... futex resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7170] <... symlink resumed>) = 0 [pid 7169] <... symlink resumed>) = 0 [pid 7168] write(3, "1000", 4 [pid 7167] write(3, "1000", 4 [pid 7166] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3483] close(3 [pid 7170] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7169] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7168] <... write resumed>) = 4 [pid 7167] <... write resumed>) = 4 [pid 7166] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3483] <... close resumed>) = 0 [pid 7170] <... symlink resumed>) = 0 [pid 7169] <... openat resumed>) = 3 [pid 7168] close(3 [pid 7167] close(3 [pid 7166] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3483] rmdir("./283" [pid 7169] write(3, "1000", 4 [pid 7168] <... close resumed>) = 0 [pid 7167] <... close resumed>) = 0 [pid 7166] <... mprotect resumed>) = 0 [pid 7169] <... write resumed>) = 4 [pid 7168] read(200, [pid 7167] read(200, [pid 7166] 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 7171 attached [pid 7169] close(3 [pid 7168] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7167] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7171] set_robust_list(0x7fa7c8c309e0, 24 [pid 7169] <... close resumed>) = 0 [pid 7168] symlink("/dev/binderfs", "./binderfs" [pid 7167] symlink("/dev/binderfs", "./binderfs" [pid 7166] <... clone resumed>, parent_tid=[593], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 593 [pid 7171] <... set_robust_list resumed>) = 0 [pid 7170] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7169] read(200, [pid 7168] <... symlink resumed>) = 0 [pid 7167] <... symlink resumed>) = 0 [pid 7166] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... rmdir resumed>) = 0 [pid 7171] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7170] <... openat resumed>) = 3 [pid 7169] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7168] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] <... futex resumed>) = 0 [pid 3483] mkdir("./284", 0777 [pid 7171] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] write(3, "1000", 4 [pid 7169] symlink("/dev/binderfs", "./binderfs" [pid 7168] <... futex resumed>) = 0 [pid 7167] <... futex resumed>) = 0 [pid 7166] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7171] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... write resumed>) = 4 [pid 7169] <... symlink resumed>) = 0 [pid 7168] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7167] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7166] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... mkdir resumed>) = 0 [pid 7171] <... futex resumed>) = 0 [pid 7170] close(3 [pid 7169] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7167] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7166] close(3 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7171] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7170] <... close resumed>) = 0 [pid 7169] <... futex resumed>) = 0 [pid 7168] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7167] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7168] <... mprotect resumed>) = 0 [pid 7167] <... mprotect resumed>) = 0 [pid 7170] read(200, [pid 7166] close(4./strace-static-x86_64: Process 7172 attached [pid 7169] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7168] 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 7167] 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 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7173 attached ./strace-static-x86_64: Process 7174 attached [pid 7172] set_robust_list(0x5555562645e0, 24 [pid 7170] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7169] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7166] close(5 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 570 [pid 7173] set_robust_list(0x7fa7c8c309e0, 24 [pid 7172] <... set_robust_list resumed>) = 0 [pid 7170] symlink("/dev/binderfs", "./binderfs" [pid 7169] <... mprotect resumed>) = 0 [pid 7168] <... clone resumed>, parent_tid=[557], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 557 [pid 7167] <... clone resumed>, parent_tid=[599], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 599 [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7174] set_robust_list(0x7fa7c8c309e0, 24 [pid 7173] <... set_robust_list resumed>) = 0 [pid 7172] chdir("./284" [pid 7169] 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 7168] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7167] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7166] close(6./strace-static-x86_64: Process 7175 attached [pid 7174] <... set_robust_list resumed>) = 0 [pid 7173] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7172] <... chdir resumed>) = 0 [pid 7170] <... symlink resumed>) = 0 [pid 7168] <... futex resumed>) = 0 [pid 7167] <... futex resumed>) = 0 [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7175] set_robust_list(0x7fa7c8c309e0, 24 [pid 7174] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7173] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7170] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] <... clone resumed>, parent_tid=[579], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 579 [pid 7168] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7167] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7166] close(7 [pid 7175] <... set_robust_list resumed>) = 0 [pid 7174] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7173] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] <... prctl resumed>) = 0 [pid 7170] <... futex resumed>) = 0 [pid 7169] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7168] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7175] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7174] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7173] <... futex resumed>) = 0 [pid 7172] setpgid(0, 0 [pid 7170] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7169] <... futex resumed>) = 0 [pid 7168] close(3 [pid 7166] close(8 [pid 7175] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7174] <... futex resumed>) = 1 [pid 7173] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] <... setpgid resumed>) = 0 [pid 7170] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7169] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... futex resumed>) = 0 [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7175] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7174] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7170] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7169] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7168] close(4 [pid 7167] close(3 [pid 7166] close(9 [pid 7175] <... futex resumed>) = 0 [pid 7172] <... symlink resumed>) = 0 [pid 7169] close(3 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(5 [pid 7167] close(4 [pid 7166] close(10 [pid 7172] <... symlink resumed>) = 0 [pid 7170] <... mprotect resumed>) = 0 [pid 7169] close(4 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7175] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7170] 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 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(6 [pid 7167] close(5 [pid 7166] close(11./strace-static-x86_64: Process 7176 attached [pid 7172] <... symlink resumed>) = 0 [pid 7169] close(5 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7176] set_robust_list(0x7fa7c8c309e0, 24 [pid 7172] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7170] <... clone resumed>, parent_tid=[583], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 583 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(7 [pid 7167] close(6 [pid 7166] close(12 [pid 7176] <... set_robust_list resumed>) = 0 [pid 7172] <... openat resumed>) = 3 [pid 7170] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7169] close(6 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7176] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7172] write(3, "1000", 4 [pid 7170] <... futex resumed>) = 0 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(8 [pid 7167] close(7 [pid 7166] close(13 [pid 7176] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... write resumed>) = 4 [pid 7170] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7169] close(7 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7176] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7172] close(3 [pid 7170] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(9 [pid 7167] close(8 [pid 7166] close(14 [pid 7176] <... futex resumed>) = 0 [pid 7172] <... close resumed>) = 0 [pid 7170] close(3 [pid 7169] close(8 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7176] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] read(200, [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(10 [pid 7167] close(9 [pid 7166] close(15 [pid 7172] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7170] close(4 [pid 7169] close(9 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] symlink("/dev/binderfs", "./binderfs" [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(11 [pid 7167] close(10 [pid 7166] close(16 [pid 7172] <... symlink resumed>) = 0 [pid 7170] close(5 [pid 7169] close(10 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(12 [pid 7167] close(11 [pid 7166] close(17 [pid 7172] <... futex resumed>) = 0 [pid 7170] close(6 [pid 7169] close(11 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(13 [pid 7167] close(12 [pid 7166] close(18 [pid 7172] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7170] close(7 [pid 7169] close(12 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(14 [pid 7167] close(13 [pid 7166] close(19 [pid 7172] <... mprotect resumed>) = 0 [pid 7170] close(8 [pid 7169] close(13 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] 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 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(15 [pid 7167] close(14 [pid 7166] close(20./strace-static-x86_64: Process 7177 attached [pid 7170] close(9 [pid 7169] close(14 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] set_robust_list(0x7fa7c8c309e0, 24 [pid 7172] <... clone resumed>, parent_tid=[571], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 571 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(16 [pid 7167] close(15 [pid 7166] close(21 [pid 7177] <... set_robust_list resumed>) = 0 [pid 7172] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] close(10 [pid 7169] close(15 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7172] <... futex resumed>) = 0 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(17 [pid 7167] close(16 [pid 7166] close(22 [pid 7172] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7170] close(11 [pid 7169] close(16 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(18 [pid 7167] close(17 [pid 7166] close(23 [pid 7177] <... futex resumed>) = 1 [pid 7172] <... futex resumed>) = 0 [pid 7170] close(12 [pid 7169] close(17 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7177] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7172] close(3 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(19 [pid 7167] close(18 [pid 7166] close(24 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(13 [pid 7169] close(18 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(4 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(20 [pid 7167] close(19 [pid 7166] close(25 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(14 [pid 7169] close(19 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(5 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(21 [pid 7167] close(20 [pid 7166] close(26 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(15 [pid 7172] close(6) = -1 EBADF (Bad file descriptor) [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(20 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(7 [pid 7170] close(16 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(22 [pid 7167] close(21 [pid 7166] close(27 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(21 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(8 [pid 7170] close(17 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(23 [pid 7167] close(22 [pid 7166] close(28 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(22 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(9 [pid 7170] close(18 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(24 [pid 7167] close(23 [pid 7166] close(29 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(23 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(10 [pid 7170] close(19 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(25 [pid 7167] close(24 [pid 7166] exit_group(0 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7171] <... futex resumed>) = ? [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(24 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7166] <... exit_group resumed>) = ? [pid 7172] close(11 [pid 7171] +++ exited with 0 +++ [pid 7170] close(20 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(26 [pid 7167] close(25 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(12 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(25 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] close(26 [pid 7166] +++ exited with 0 +++ [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(21 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(27 [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(13 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(26 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] close(27 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(22 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(28 [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] close(14 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(27 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] close(28 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(23 [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] close(29 [pid 7172] close(15 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] close(28 [pid 7168] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7170] close(24 [pid 7168] exit_group(0 [pid 7172] close(16 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7173] <... futex resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7168] <... exit_group resumed>) = ? [pid 7167] close(29 [pid 7173] +++ exited with 0 +++ [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7169] close(29 [pid 7167] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7167] exit_group(0 [pid 7174] <... futex resumed>) = ? [pid 7172] close(17 [pid 7167] <... exit_group resumed>) = ? [pid 3486] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7174] +++ exited with 0 +++ [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 7167] +++ exited with 0 +++ [pid 7172] close(18) = -1 EBADF (Bad file descriptor) [pid 7170] close(26 [pid 7169] exit_group(0 [pid 3486] fstat(3, [pid 7175] <... futex resumed>) = ? [pid 7172] close(19 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] <... exit_group resumed>) = ? [pid 7168] +++ exited with 0 +++ [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7175] +++ exited with 0 +++ [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(27 [pid 7172] close(20 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7169] +++ exited with 0 +++ [pid 3486] getdents64(3, [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=556, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(28 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7172] close(21 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7172] close(22 [pid 7170] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] exit_group(0 [pid 3487] <... openat resumed>) = 3 [pid 3486] lstat("./295/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./277", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7176] <... futex resumed>) = ? [pid 7172] close(23 [pid 7170] <... exit_group resumed>) = ? [pid 3487] fstat(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7176] +++ exited with 0 +++ [pid 3484] <... openat resumed>) = 3 [pid 3484] fstat(3, {st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] getdents64(3, [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] unlink("./295/binderfs" [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] openat(AT_FDCWD, "./277", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./288/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7172] close(24 [pid 3487] getdents64(3, [pid 3484] unlink("./288/binderfs" [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7170] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... openat resumed>) = 3 [pid 7172] close(25 [pid 3487] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./288/cgroup", [pid 7172] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./295/cgroup", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3484] <... 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 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./288/cgroup" [pid 7172] close(27 [pid 3487] lstat("./298/binderfs", [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] unlink("./295/cgroup" [pid 3485] <... restart_syscall resumed>) = 0 [pid 3484] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] unlink("./298/binderfs" [pid 3484] lstat("./288/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./288/cgroup.net" [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3484] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7172] close(28 [pid 3487] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./277/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./288/cgroup.cpu", [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7172] close(29 [pid 3487] lstat("./298/cgroup", [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./288/cgroup.cpu" [pid 3482] lstat("./277/binderfs", [pid 7172] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] lstat("./295/cgroup.net", [pid 3485] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 7172] exit_group(0 [pid 3484] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7177] <... futex resumed>) = ? [pid 7172] <... exit_group resumed>) = ? [pid 3487] unlink("./298/cgroup" [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7177] +++ exited with 0 +++ [pid 3484] close(3 [pid 3482] unlink("./277/binderfs" [pid 3484] <... close resumed>) = 0 [pid 3484] rmdir("./288") = 0 [pid 3482] <... unlink resumed>) = 0 [pid 3484] mkdir("./289", 0777 [pid 7172] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3486] unlink("./295/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] umount2("./277/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7178 attached [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 580 [pid 7178] set_robust_list(0x5555562645e0, 24) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] lstat("./277/cgroup", [pid 7178] chdir("./289") = 0 [pid 7178] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 3487] lstat("./298/cgroup.net", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./277/cgroup" [pid 3487] unlink("./298/cgroup.net" [pid 3486] lstat("./295/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7178] setpgid(0, 0 [pid 3482] <... unlink resumed>) = 0 [pid 7178] <... setpgid resumed>) = 0 [pid 7178] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./277/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7178] <... symlink resumed>) = 0 [pid 3487] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./295/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7178] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 3487] lstat("./298/cgroup.cpu", [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./290/binderfs", [pid 3482] lstat("./277/cgroup.net", [pid 7178] <... symlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3487] unlink("./298/cgroup.cpu" [pid 3485] unlink("./290/binderfs" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7178] symlink("/syzcgroup/net/syz3", "./cgroup.net") = 0 [pid 3487] <... unlink resumed>) = 0 [pid 7178] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] getdents64(3, [pid 3486] close(3 [pid 3485] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./277/cgroup.net" [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... close resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7178] <... openat resumed>) = 3 [pid 7178] write(3, "1000", 4 [pid 3482] <... unlink resumed>) = 0 [pid 7178] <... write resumed>) = 4 [pid 7178] close(3) = 0 [pid 7178] read(200, 0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7178] symlink("/dev/binderfs", "./binderfs" [pid 3486] rmdir("./295" [pid 3483] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7178] <... symlink resumed>) = 0 [pid 3487] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./277/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7178] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7178] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0) = 0x7fa7c8c10000 [pid 7178] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7178] 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] <... rmdir resumed>) = 0 [pid 3485] lstat("./290/cgroup", [pid 3483] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7179 attached [pid 3487] <... close resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7179] set_robust_list(0x7fa7c8c309e0, 24 [pid 7178] <... clone resumed>, parent_tid=[581], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 581 [pid 3486] mkdir("./296", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] fstat(3, [pid 7179] <... set_robust_list resumed>) = 0 [pid 7178] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] rmdir("./298" [pid 3482] lstat("./277/cgroup.cpu", [pid 7179] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7178] <... futex resumed>) = 0 [pid 3485] unlink("./290/cgroup" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7179] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7179] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7178] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7179] <... futex resumed>) = 0 [pid 7178] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 7179] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] close(4) = -1 EBADF (Bad file descriptor) [pid 7178] close(5) = -1 EBADF (Bad file descriptor) [pid 7178] close(6) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3482] unlink("./277/cgroup.cpu" [pid 7178] close(7 [pid 3485] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] close(8) = -1 EBADF (Bad file descriptor) [pid 7178] close(9 [pid 3486] <... mkdir resumed>) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] close(10) = -1 EBADF (Bad file descriptor) [pid 7178] close(11 [pid 3482] <... unlink resumed>) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7178] close(12 [pid 3487] mkdir("./299", 0777 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./290/cgroup.net", [pid 3482] getdents64(3, [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7178] close(13) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7178] close(14 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] close(15) = -1 EBADF (Bad file descriptor) [pid 7178] close(16) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 7178] close(17 [pid 3485] unlink("./290/cgroup.net" [pid 3483] lstat("./284/binderfs", [pid 3482] close(3 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7178] close(18 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7180 attached [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 7180] set_robust_list(0x5555562645e0, 24 [pid 7178] close(19 [pid 3483] unlink("./284/binderfs"./strace-static-x86_64: Process 7181 attached [pid 7180] <... set_robust_list resumed>) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 594 [pid 3485] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./277" [pid 7181] set_robust_list(0x5555562645e0, 24 [pid 7180] chdir("./296" [pid 7178] close(20 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 600 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7178] close(21 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./284/cgroup", [pid 7181] <... set_robust_list resumed>) = 0 [pid 7180] <... chdir resumed>) = 0 [pid 7178] close(22 [pid 3485] lstat("./290/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7181] chdir("./299" [pid 7180] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] mkdir("./278", 0777 [pid 7181] <... chdir resumed>) = 0 [pid 7180] <... prctl resumed>) = 0 [pid 7178] close(23 [pid 3485] unlink("./290/cgroup.cpu" [pid 3483] unlink("./284/cgroup" [pid 7180] setpgid(0, 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7181] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7180] <... setpgid resumed>) = 0 [pid 7178] close(24 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7181] <... prctl resumed>) = 0 [pid 7180] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7181] setpgid(0, 0 [pid 7178] close(25 [pid 3483] lstat("./284/cgroup.net", [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... symlink resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7182 attached [pid 7181] <... setpgid resumed>) = 0 [pid 7180] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7178] close(26 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] unlink("./284/cgroup.net" [pid 7182] set_robust_list(0x5555562645e0, 24 [pid 7181] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7180] <... symlink resumed>) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 558 [pid 7182] <... set_robust_list resumed>) = 0 [pid 7181] <... symlink resumed>) = 0 [pid 7180] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7178] close(27 [pid 3485] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7182] chdir("./278" [pid 7181] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7180] <... symlink resumed>) = 0 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./290" [pid 3483] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7182] <... chdir resumed>) = 0 [pid 7181] <... symlink resumed>) = 0 [pid 7180] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7178] close(28 [pid 3485] <... rmdir resumed>) = 0 [pid 7182] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7181] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7180] <... openat resumed>) = 3 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./291", 0777 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7182] <... prctl resumed>) = 0 [pid 7181] <... symlink resumed>) = 0 [pid 7180] write(3, "1000", 4 [pid 7178] close(29 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] lstat("./284/cgroup.cpu", [pid 7182] setpgid(0, 0 [pid 7181] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7180] <... write resumed>) = 4 [pid 7178] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7182] <... setpgid resumed>) = 0 [pid 7181] <... openat resumed>) = 3 [pid 7180] close(3 [pid 7178] exit_group(0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7183 attached [pid 7182] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7181] write(3, "1000", 4 [pid 7180] <... close resumed>) = 0 [pid 7179] <... futex resumed>) = ? [pid 7178] <... exit_group resumed>) = ? [pid 3483] unlink("./284/cgroup.cpu" [pid 7183] set_robust_list(0x5555562645e0, 24 [pid 7182] <... symlink resumed>) = 0 [pid 7181] <... write resumed>) = 4 [pid 7180] read(200, [pid 7179] +++ exited with 0 +++ [pid 7178] +++ exited with 0 +++ [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 584 [pid 3483] <... unlink resumed>) = 0 [pid 7183] <... set_robust_list resumed>) = 0 [pid 7182] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7181] close(3 [pid 3483] getdents64(3, [pid 7183] chdir("./291" [pid 7182] <... symlink resumed>) = 0 [pid 7180] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7181] <... close resumed>) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7183] <... chdir resumed>) = 0 [pid 7182] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7181] read(200, [pid 7180] symlink("/dev/binderfs", "./binderfs" [pid 3484] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 7182] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 7182] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] rmdir("./284" [pid 7183] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7182] <... openat resumed>) = 3 [pid 7181] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7180] <... symlink resumed>) = 0 [pid 3484] <... openat resumed>) = 3 [pid 3483] <... rmdir resumed>) = 0 [pid 7183] <... prctl resumed>) = 0 [pid 7182] write(3, "1000", 4 [pid 3484] fstat(3, [pid 7181] symlink("/dev/binderfs", "./binderfs" [pid 3483] mkdir("./285", 0777 [pid 7183] setpgid(0, 0 [pid 7182] <... write resumed>) = 4 [pid 7181] <... symlink resumed>) = 0 [pid 7180] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7182] close(3 [pid 3484] getdents64(3, [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7183] <... setpgid resumed>) = 0 [pid 7182] <... close resumed>) = 0 [pid 7181] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7180] <... futex resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 7184 attached [pid 7182] read(200, [pid 3484] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7184] set_robust_list(0x5555562645e0, 24 [pid 7183] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7182] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7180] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 572 [pid 7181] <... futex resumed>) = 0 [pid 7184] <... set_robust_list resumed>) = 0 [pid 7182] symlink("/dev/binderfs", "./binderfs" [pid 3484] lstat("./289/binderfs", [pid 7184] chdir("./285" [pid 7183] <... symlink resumed>) = 0 [pid 7182] <... symlink resumed>) = 0 [pid 7181] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7180] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7184] <... chdir resumed>) = 0 [pid 7183] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7182] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7180] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] unlink("./289/binderfs" [pid 7184] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7183] <... symlink resumed>) = 0 [pid 7182] <... futex resumed>) = 0 [pid 7181] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7180] <... mprotect resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7184] <... prctl resumed>) = 0 [pid 7183] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7182] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7181] <... mprotect resumed>) = 0 [pid 7180] 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("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7185 attached [pid 7184] setpgid(0, 0 [pid 7182] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7181] 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 resumed>) = -1 EINVAL (Invalid argument) [pid 7185] set_robust_list(0x7fa7c8c309e0, 24 [pid 7182] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] lstat("./289/cgroup", ./strace-static-x86_64: Process 7186 attached [pid 7185] <... set_robust_list resumed>) = 0 [pid 7184] <... setpgid resumed>) = 0 [pid 7183] <... symlink resumed>) = 0 [pid 7182] <... mprotect resumed>) = 0 [pid 7180] <... clone resumed>, parent_tid=[595], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 595 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7186] set_robust_list(0x7fa7c8c309e0, 24 [pid 7185] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7184] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7183] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7182] 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 7181] <... clone resumed>, parent_tid=[601], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 601 [pid 7180] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] unlink("./289/cgroup"./strace-static-x86_64: Process 7187 attached [pid 7186] <... set_robust_list resumed>) = 0 [pid 7185] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] <... symlink resumed>) = 0 [pid 7181] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... openat resumed>) = 3 [pid 7180] <... futex resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7187] set_robust_list(0x7fa7c8c309e0, 24 [pid 7186] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7185] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7184] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7182] <... clone resumed>, parent_tid=[559], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 559 [pid 7181] <... futex resumed>) = 0 [pid 7180] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7187] <... set_robust_list resumed>) = 0 [pid 7186] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] write(3, "1000", 4 [pid 7182] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7181] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7187] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7186] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7185] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... symlink resumed>) = 0 [pid 7183] <... write resumed>) = 4 [pid 7182] <... futex resumed>) = 0 [pid 7181] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] lstat("./289/cgroup.net", [pid 7187] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7186] <... futex resumed>) = 0 [pid 7185] <... futex resumed>) = 1 [pid 7184] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7183] close(3 [pid 7182] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7181] close(3 [pid 7180] <... futex resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7187] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7186] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7185] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7182] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] unlink("./289/cgroup.net" [pid 7187] <... futex resumed>) = 0 [pid 7184] <... symlink resumed>) = 0 [pid 7183] <... close resumed>) = 0 [pid 7182] close(3 [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 7187] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7184] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7183] read(200, [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(4 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7184] <... openat resumed>) = 3 [pid 7182] close(4 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7184] write(3, "1000", 4 [pid 7183] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(4 [pid 3484] lstat("./289/cgroup.cpu", [pid 7183] symlink("/dev/binderfs", "./binderfs" [pid 7182] close(5 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(5 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./289/cgroup.cpu" [pid 7182] close(6 [pid 3484] <... unlink resumed>) = 0 [pid 7183] <... symlink resumed>) = 0 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] <... write resumed>) = 4 [pid 7180] close(5 [pid 3484] getdents64(3, [pid 7184] close(3 [pid 7183] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] close(7 [pid 7181] close(6 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7184] <... close resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(6 [pid 3484] close(3 [pid 7182] close(8 [pid 3484] <... close resumed>) = 0 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./289" [pid 7184] read(200, [pid 7183] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7182] close(9 [pid 7181] close(7 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 7184] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7183] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(7 [pid 3484] mkdir("./290", 0777 [pid 7184] symlink("/dev/binderfs", "./binderfs" [pid 7183] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7182] close(10 [pid 7181] close(8 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 7182] <... 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 7188 attached [pid 7184] <... symlink resumed>) = 0 [pid 7183] <... mprotect resumed>) = 0 [pid 7182] close(11 [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(8 [pid 7188] set_robust_list(0x5555562645e0, 24 [pid 7184] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] 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 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(9 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 582 ./strace-static-x86_64: Process 7189 attached [pid 7188] <... set_robust_list resumed>) = 0 [pid 7182] close(12 [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7189] set_robust_list(0x7fa7c8c309e0, 24 [pid 7188] chdir("./290" [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(10 [pid 7180] close(9 [pid 7189] <... set_robust_list resumed>) = 0 [pid 7188] <... chdir resumed>) = 0 [pid 7184] <... futex resumed>) = 0 [pid 7183] <... clone resumed>, parent_tid=[585], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 585 [pid 7182] close(13 [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7189] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7184] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7183] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7189] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7188] <... prctl resumed>) = 0 [pid 7184] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7183] <... futex resumed>) = 0 [pid 7182] close(14 [pid 7181] close(11 [pid 7180] close(10 [pid 7189] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7188] setpgid(0, 0 [pid 7184] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7183] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7189] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... setpgid resumed>) = 0 [pid 7184] <... mprotect resumed>) = 0 [pid 7182] close(15 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(12 [pid 7189] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7184] 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 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(11./strace-static-x86_64: Process 7190 attached [pid 7189] <... futex resumed>) = 1 [pid 7188] <... symlink resumed>) = 0 [pid 7183] <... futex resumed>) = 0 [pid 7182] close(16 [pid 7181] close(13 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] set_robust_list(0x7fa7c8c309e0, 24 [pid 7189] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7184] <... clone resumed>, parent_tid=[573], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 573 [pid 7183] close(3 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(12 [pid 7190] <... set_robust_list resumed>) = 0 [pid 7188] <... symlink resumed>) = 0 [pid 7184] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(17 [pid 7181] close(14 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7188] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7184] <... futex resumed>) = 0 [pid 7183] close(4 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(13 [pid 7190] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... symlink resumed>) = 0 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(18 [pid 7190] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7184] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7183] close(5 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(15 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7190] <... futex resumed>) = 0 [pid 7188] <... openat resumed>) = 3 [pid 7184] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(19 [pid 7190] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] write(3, "1000", 4 [pid 7184] close(3 [pid 7183] close(6 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(14 [pid 7188] <... write resumed>) = 4 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(20 [pid 7181] close(16 [pid 7188] close(3 [pid 7184] close(4 [pid 7183] close(7 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... close resumed>) = 0 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(21 [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(15 [pid 7188] read(200, [pid 7184] close(5 [pid 7183] close(8 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(17 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(22 [pid 7188] symlink("/dev/binderfs", "./binderfs" [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] close(9 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(16 [pid 7188] <... symlink resumed>) = 0 [pid 7184] close(6 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(23 [pid 7181] close(18 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] close(10 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... futex resumed>) = 0 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(24 [pid 7188] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7184] close(7 [pid 7183] close(11 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(17 [pid 7188] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(25 [pid 7188] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7184] close(8 [pid 7183] close(12 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(19 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... mprotect resumed>) = 0 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(26 [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(18 [pid 7188] 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 7184] close(9 [pid 7183] close(13 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7191 attached [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(27 [pid 7181] close(20 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7191] set_robust_list(0x7fa7c8c309e0, 24 [pid 7188] <... clone resumed>, parent_tid=[583], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 583 [pid 7184] close(10 [pid 7183] close(14 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(19 [pid 7191] <... set_robust_list resumed>) = 0 [pid 7188] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(28 [pid 7181] close(21 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7191] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7188] <... futex resumed>) = 0 [pid 7184] close(11 [pid 7183] close(15 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(20 [pid 7191] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] close(29 [pid 7181] close(22 [pid 7191] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7188] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7184] close(12 [pid 7183] close(16 [pid 7182] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7191] <... futex resumed>) = 0 [pid 7188] close(3 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] exit_group(0 [pid 7181] close(23 [pid 7191] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7187] <... futex resumed>) = ? [pid 7184] close(13 [pid 7183] close(17 [pid 7182] <... exit_group resumed>) = ? [pid 7180] close(21 [pid 7188] close(4 [pid 7187] +++ exited with 0 +++ [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7182] +++ exited with 0 +++ [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=558, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(14 [pid 7183] close(18 [pid 7188] close(5 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] close(24 [pid 7180] close(22 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(15 [pid 7183] close(19 [pid 7188] close(6 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(16 [pid 7183] close(20 [pid 7181] close(25 [pid 7188] close(7 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(23 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(17 [pid 7183] close(21 [pid 7181] close(26 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] close(8 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(24 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(18 [pid 7183] close(22 [pid 7181] close(27 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./278", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] close(9 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(25 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(19 [pid 7183] close(23 [pid 7181] close(28 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] openat(AT_FDCWD, "./278", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7188] close(10 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(26 [pid 3482] <... openat resumed>) = 3 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(20 [pid 7183] close(24 [pid 7181] close(29 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] close(11 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] close(27 [pid 3482] fstat(3, [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(21 [pid 7183] close(25 [pid 7181] exit_group(0 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7188] close(12 [pid 7186] <... futex resumed>) = ? [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7181] <... exit_group resumed>) = ? [pid 7180] close(28 [pid 3482] getdents64(3, [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(22 [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7188] close(13 [pid 7186] +++ exited with 0 +++ [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] close(26 [pid 7181] +++ exited with 0 +++ [pid 7180] close(29 [pid 3482] umount2("./278/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(23 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7188] close(14 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] close(27 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] close(24 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7180] exit_group(0 [pid 3487] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./278/binderfs", [pid 7188] close(15 [pid 7185] <... futex resumed>) = ? [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] close(28 [pid 7180] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7185] +++ exited with 0 +++ [pid 7184] close(25 [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7183] close(29 [pid 3487] <... openat resumed>) = 3 [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 7188] close(16 [pid 7184] close(26 [pid 7183] exit_group(0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7180] +++ exited with 0 +++ [pid 3482] unlink("./278/binderfs" [pid 7189] <... futex resumed>) = ? [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7183] <... exit_group resumed>) = ? [pid 3487] getdents64(3, [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7189] +++ exited with 0 +++ [pid 7188] close(17 [pid 7184] close(27 [pid 7183] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... unlink resumed>) = 0 [pid 3487] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] umount2("./278/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] close(18 [pid 7184] close(28 [pid 3487] lstat("./299/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3487] unlink("./299/binderfs" [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] close(19 [pid 7184] close(29 [pid 3487] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./278/cgroup", [pid 7188] close(20 [pid 7184] exit_group(0 [pid 3487] lstat("./299/cgroup", [pid 3486] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7190] <... futex resumed>) = ? [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7184] <... exit_group resumed>) = ? [pid 3487] <... 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 7190] +++ exited with 0 +++ [pid 7188] close(21 [pid 3487] unlink("./299/cgroup" [pid 3486] <... openat resumed>) = 3 [pid 3485] <... openat resumed>) = 3 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] fstat(3, [pid 3485] fstat(3, [pid 3482] unlink("./278/cgroup" [pid 7188] close(22 [pid 7184] +++ exited with 0 +++ [pid 3487] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] getdents64(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3482] <... unlink resumed>) = 0 [pid 3487] lstat("./299/cgroup.net", [pid 3485] getdents64(3, [pid 7188] close(23 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] umount2("./278/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./299/cgroup.net" [pid 3486] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] close(24 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./296/binderfs", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7188] close(25 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] lstat("./278/cgroup.net", [pid 3485] lstat("./291/binderfs", [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./299/cgroup.cpu", [pid 3483] fstat(3, [pid 7188] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./296/binderfs" [pid 3485] <... 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 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./299/cgroup.cpu" [pid 3486] <... unlink resumed>) = 0 [pid 3485] unlink("./291/binderfs" [pid 3483] getdents64(3, [pid 7188] close(27 [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./278/cgroup.net" [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] lstat("./296/cgroup", [pid 3485] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] close(28 [pid 3487] close(3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3486] unlink("./296/cgroup" [pid 3485] lstat("./291/cgroup", [pid 3483] lstat("./285/binderfs", [pid 3487] rmdir("./299" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... 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 3487] <... rmdir resumed>) = 0 [pid 3486] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./291/cgroup" [pid 3483] unlink("./285/binderfs" [pid 7188] close(29 [pid 3487] mkdir("./300", 0777 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3482] umount2("./278/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7188] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7188] exit_group(0 [pid 3486] lstat("./296/cgroup.net", [pid 3485] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./278/cgroup.cpu", [pid 7191] <... futex resumed>) = ? [pid 7188] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./278/cgroup.cpu" [pid 7191] +++ exited with 0 +++ [pid 7188] +++ exited with 0 +++ [pid 3486] unlink("./296/cgroup.net" [pid 3485] lstat("./291/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 3487] <... mkdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] close(3) = 0 [pid 3482] rmdir("./278" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./285/cgroup", [pid 3482] <... rmdir resumed>) = 0 [pid 3482] mkdir("./279", 0777 [pid 3486] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] unlink("./291/cgroup.net" [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 3486] <... 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 7192 attached [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 602 [pid 3486] lstat("./296/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./285/cgroup"./strace-static-x86_64: Process 7193 attached [pid 7192] set_robust_list(0x5555562645e0, 24 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 560 [pid 3486] unlink("./296/cgroup.cpu" [pid 3485] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 7193] set_robust_list(0x5555562645e0, 24 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7193] <... set_robust_list resumed>) = 0 [pid 7192] <... set_robust_list resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7192] chdir("./300" [pid 3483] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7193] chdir("./279" [pid 7192] <... chdir resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] lstat("./291/cgroup.cpu", [pid 3484] <... openat resumed>) = 3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7193] <... chdir resumed>) = 0 [pid 7192] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] fstat(3, [pid 3483] lstat("./285/cgroup.net", [pid 7193] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7192] <... prctl resumed>) = 0 [pid 3486] close(3 [pid 3485] unlink("./291/cgroup.cpu" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7193] <... prctl resumed>) = 0 [pid 7192] setpgid(0, 0 [pid 3486] <... close resumed>) = 0 [pid 7193] setpgid(0, 0) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] unlink("./285/cgroup.net" [pid 7193] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3486] rmdir("./296" [pid 7193] <... symlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7193] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7193] <... symlink resumed>) = 0 [pid 7192] <... setpgid resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7193] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7192] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 3486] mkdir("./297", 0777 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7193] <... symlink resumed>) = 0 [pid 7192] <... symlink resumed>) = 0 [pid 7193] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3486] <... mkdir resumed>) = 0 [pid 3483] lstat("./285/cgroup.cpu", [pid 7193] <... openat resumed>) = 3 [pid 3485] close(3 [pid 3484] lstat("./290/binderfs", [pid 7193] write(3, "1000", 4 [pid 7192] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... close resumed>) = 0 [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 ./strace-static-x86_64: Process 7194 attached [pid 7193] <... write resumed>) = 4 [pid 7192] <... symlink resumed>) = 0 [pid 3485] rmdir("./291" [pid 3484] unlink("./290/binderfs" [pid 3483] unlink("./285/cgroup.cpu" [pid 7194] set_robust_list(0x5555562645e0, 24 [pid 7193] close(3 [pid 7192] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 596 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7194] <... set_robust_list resumed>) = 0 [pid 7193] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7194] chdir("./297" [pid 7193] read(200, [pid 7194] <... chdir resumed>) = 0 [pid 7193] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7192] <... symlink resumed>) = 0 [pid 3485] mkdir("./292", 0777 [pid 3484] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 7194] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7193] symlink("/dev/binderfs", "./binderfs" [pid 7192] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7194] <... prctl resumed>) = 0 [pid 7193] <... symlink resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 7194] setpgid(0, 0 [pid 7193] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] <... openat resumed>) = 3 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] lstat("./290/cgroup", [pid 3483] close(3 [pid 7194] <... setpgid resumed>) = 0 [pid 7193] <... futex resumed>) = 0 [pid 7192] write(3, "1000", 4 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... close resumed>) = 0 ./strace-static-x86_64: Process 7195 attached [pid 7194] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7193] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7192] <... write resumed>) = 4 [pid 3484] unlink("./290/cgroup" [pid 3483] rmdir("./285" [pid 7195] set_robust_list(0x5555562645e0, 24 [pid 7194] <... symlink resumed>) = 0 [pid 7193] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7192] close(3 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 586 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 7195] <... set_robust_list resumed>) = 0 [pid 7194] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7193] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7192] <... close resumed>) = 0 [pid 3484] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7195] chdir("./292" [pid 7194] <... symlink resumed>) = 0 [pid 7193] <... mprotect resumed>) = 0 [pid 7192] read(200, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] mkdir("./286", 0777 [pid 7195] <... chdir resumed>) = 0 [pid 7194] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7193] 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 7192] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] lstat("./290/cgroup.net", [pid 3483] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7196 attached [pid 7195] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7194] <... symlink resumed>) = 0 [pid 3484] <... 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./strace-static-x86_64: Process 7197 attached [pid 7196] set_robust_list(0x7fa7c8c309e0, 24 [pid 7195] <... prctl resumed>) = 0 [pid 7194] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7193] <... clone resumed>, parent_tid=[561], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 561 [pid 3484] unlink("./290/cgroup.net" [pid 7197] set_robust_list(0x5555562645e0, 24 [pid 7196] <... set_robust_list resumed>) = 0 [pid 7195] setpgid(0, 0 [pid 7194] <... openat resumed>) = 3 [pid 7193] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7192] symlink("/dev/binderfs", "./binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 574 [pid 7197] <... set_robust_list resumed>) = 0 [pid 7196] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7195] <... setpgid resumed>) = 0 [pid 7194] write(3, "1000", 4 [pid 7193] <... futex resumed>) = 0 [pid 3484] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7197] chdir("./286" [pid 7196] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7194] <... write resumed>) = 4 [pid 7193] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7192] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7197] <... chdir resumed>) = 0 [pid 7196] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... symlink resumed>) = 0 [pid 7194] close(3 [pid 7193] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] lstat("./290/cgroup.cpu", [pid 7197] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7196] <... futex resumed>) = 0 [pid 7195] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7194] <... close resumed>) = 0 [pid 7193] close(3 [pid 7192] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7197] <... prctl resumed>) = 0 [pid 7196] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7195] <... symlink resumed>) = 0 [pid 7194] read(200, [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... futex resumed>) = 0 [pid 3484] unlink("./290/cgroup.cpu" [pid 7197] setpgid(0, 0 [pid 7195] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7194] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7193] close(4 [pid 7192] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] <... unlink resumed>) = 0 [pid 7197] <... setpgid resumed>) = 0 [pid 7192] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7195] <... symlink resumed>) = 0 [pid 7194] symlink("/dev/binderfs", "./binderfs" [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7197] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7192] <... mprotect resumed>) = 0 [pid 7197] <... symlink resumed>) = 0 [pid 7195] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7194] <... symlink resumed>) = 0 [pid 7193] close(5 [pid 7192] 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(3, ./strace-static-x86_64: Process 7198 attached [pid 7197] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7195] <... openat resumed>) = 3 [pid 7194] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7198] set_robust_list(0x7fa7c8c309e0, 24 [pid 7197] <... symlink resumed>) = 0 [pid 7195] write(3, "1000", 4 [pid 7194] <... futex resumed>) = 0 [pid 7193] close(6 [pid 7192] <... clone resumed>, parent_tid=[603], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 603 [pid 3484] close(3 [pid 7198] <... set_robust_list resumed>) = 0 [pid 7197] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7195] <... write resumed>) = 4 [pid 7194] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] <... close resumed>) = 0 [pid 7198] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7197] <... symlink resumed>) = 0 [pid 7195] close(3 [pid 7194] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7193] close(7 [pid 7192] <... futex resumed>) = 0 [pid 3484] rmdir("./290" [pid 7198] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7195] <... close resumed>) = 0 [pid 7194] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3484] <... rmdir resumed>) = 0 [pid 7198] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... openat resumed>) = 3 [pid 7195] read(200, [pid 7194] <... mprotect resumed>) = 0 [pid 7193] close(8 [pid 3484] mkdir("./291", 0777 [pid 7198] <... futex resumed>) = 0 [pid 7197] write(3, "1000", 4 [pid 7195] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7194] 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 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7199 attached [pid 7198] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] <... write resumed>) = 4 [pid 7195] symlink("/dev/binderfs", "./binderfs" [pid 7193] close(9 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7200 attached [pid 7199] set_robust_list(0x7fa7c8c309e0, 24 [pid 7197] close(3 [pid 7195] <... symlink resumed>) = 0 [pid 7194] <... clone resumed>, parent_tid=[597], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 597 [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(3 [pid 7199] <... set_robust_list resumed>) = 0 [pid 7197] <... close resumed>) = 0 [pid 7195] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7193] close(10 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 584 [pid 7200] set_robust_list(0x5555562645e0, 24 [pid 7199] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7197] read(200, [pid 7195] <... futex resumed>) = 0 [pid 7194] <... futex resumed>) = 0 [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... set_robust_list resumed>) = 0 [pid 7199] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7194] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7193] close(11 [pid 7192] close(4 [pid 7200] chdir("./291" [pid 7199] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] symlink("/dev/binderfs", "./binderfs" [pid 7195] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7194] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... chdir resumed>) = 0 [pid 7199] <... futex resumed>) = 0 [pid 7197] <... symlink resumed>) = 0 [pid 7195] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7194] close(3 [pid 7193] close(12 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7199] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... mprotect resumed>) = 0 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... prctl resumed>) = 0 [pid 7197] <... futex resumed>) = 0 [pid 7195] 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 7194] close(4 [pid 7193] close(13 [pid 7192] close(5./strace-static-x86_64: Process 7201 attached [pid 7200] setpgid(0, 0 [pid 7197] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7201] set_robust_list(0x7fa7c8c309e0, 24 [pid 7200] <... setpgid resumed>) = 0 [pid 7197] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7195] <... clone resumed>, parent_tid=[587], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 587 [pid 7194] close(5 [pid 7193] close(14 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7201] <... set_robust_list resumed>) = 0 [pid 7200] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7197] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7195] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7201] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7200] <... symlink resumed>) = 0 [pid 7197] <... mprotect resumed>) = 0 [pid 7195] <... futex resumed>) = 0 [pid 7194] close(6 [pid 7193] close(15 [pid 7192] close(6 [pid 7201] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7197] 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 7195] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7202 attached [pid 7201] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7194] close(7 [pid 7193] close(16 [pid 7202] set_robust_list(0x7fa7c8c309e0, 24 [pid 7201] <... futex resumed>) = 0 [pid 7197] <... clone resumed>, parent_tid=[575], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 575 [pid 7195] close(3 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(7 [pid 7202] <... set_robust_list resumed>) = 0 [pid 7201] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] <... symlink resumed>) = 0 [pid 7197] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(8 [pid 7193] close(17 [pid 7202] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7200] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7197] <... futex resumed>) = 0 [pid 7195] close(4 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7202] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... symlink resumed>) = 0 [pid 7197] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(9 [pid 7193] close(18 [pid 7192] close(8 [pid 7202] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7200] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7197] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7195] close(5 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7202] <... futex resumed>) = 0 [pid 7200] <... openat resumed>) = 3 [pid 7197] close(3 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(10 [pid 7193] close(19 [pid 7192] close(9 [pid 7202] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7200] write(3, "1000", 4 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(6 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... write resumed>) = 4 [pid 7197] close(4 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(11 [pid 7193] close(20 [pid 7192] close(10 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(7 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(3 [pid 7197] close(5 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(12 [pid 7193] close(21 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... close resumed>) = 0 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(8 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(11 [pid 7200] read(200, [pid 7197] close(6 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(13 [pid 7193] close(22 [pid 7200] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(9 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] symlink("/dev/binderfs", "./binderfs" [pid 7197] close(7 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(14 [pid 7193] close(23 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(10 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(12 [pid 7200] <... symlink resumed>) = 0 [pid 7197] close(8 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(15 [pid 7193] close(24 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(11 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(13 [pid 7200] <... futex resumed>) = 0 [pid 7197] close(9 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(16 [pid 7193] close(25 [pid 7200] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(12 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7197] close(10 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(17 [pid 7193] close(26 [pid 7200] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(13 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(14 [pid 7200] <... mprotect resumed>) = 0 [pid 7197] close(11 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(18 [pid 7193] close(27 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] 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 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(14 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(15./strace-static-x86_64: Process 7203 attached [pid 7197] close(12 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(19 [pid 7193] close(28 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7203] set_robust_list(0x7fa7c8c309e0, 24 [pid 7200] <... clone resumed>, parent_tid=[585], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 585 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(15 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(16 [pid 7203] <... set_robust_list resumed>) = 0 [pid 7200] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] close(13 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(20 [pid 7193] close(29 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7203] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7200] <... futex resumed>) = 0 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(16 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(17 [pid 7203] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7197] close(14 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(21 [pid 7193] exit_group(0 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7203] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7196] <... futex resumed>) = ? [pid 7195] close(17 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7193] <... exit_group resumed>) = ? [pid 7192] close(18 [pid 7203] <... futex resumed>) = 0 [pid 7200] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7197] close(15 [pid 7196] +++ exited with 0 +++ [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(22 [pid 7193] +++ exited with 0 +++ [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7203] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(18 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(19 [pid 7197] close(16 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(23 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=560, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7200] close(3 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(19 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(20 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(17 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(24 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... restart_syscall resumed>) = 0 [pid 7200] close(4 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(20 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(21 [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(18 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(25 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(5 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(21 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(22 [pid 3482] umount2("./279", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(19 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(26 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7200] close(6 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(22 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(23 [pid 3482] openat(AT_FDCWD, "./279", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(20 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(27 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7200] close(7 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(23 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(24 [pid 3482] fstat(3, [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(21 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(28 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7200] close(8 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(24 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(25 [pid 3482] getdents64(3, [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(22 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] close(29 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7200] close(9 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(25 [pid 7194] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(26 [pid 3482] umount2("./279/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(23 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7194] exit_group(0 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7200] close(10 [pid 7199] <... futex resumed>) = ? [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] close(26 [pid 7194] <... exit_group resumed>) = ? [pid 7192] close(27 [pid 3482] lstat("./279/binderfs", [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7199] +++ exited with 0 +++ [pid 7197] close(24 [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(11 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(25 [pid 7195] close(27 [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7200] close(12 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(28 [pid 3482] unlink("./279/binderfs" [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(26 [pid 7195] close(28 [pid 7194] +++ exited with 0 +++ [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7200] close(13 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] close(29 [pid 3482] umount2("./279/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7197] close(27 [pid 7195] close(29 [pid 7192] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7200] close(14 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7192] exit_group(0 [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 7200] close(15 [pid 7197] close(28 [pid 7195] exit_group(0 [pid 7192] <... exit_group resumed>) = ? [pid 3486] <... restart_syscall resumed>) = 0 [pid 3482] lstat("./279/cgroup", [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7198] <... futex resumed>) = ? [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7195] <... exit_group resumed>) = ? [pid 7197] close(29 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7200] close(16 [pid 7197] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7201] <... futex resumed>) = ? [pid 3482] unlink("./279/cgroup" [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7198] +++ exited with 0 +++ [pid 7197] exit_group(0 [pid 7192] +++ exited with 0 +++ [pid 3486] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7202] <... futex resumed>) = ? [pid 7200] close(17 [pid 7197] <... exit_group resumed>) = ? [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./279/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7202] +++ exited with 0 +++ [pid 7201] +++ exited with 0 +++ [pid 7195] +++ exited with 0 +++ [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7200] close(18 [pid 7197] +++ exited with 0 +++ [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... openat resumed>) = 3 [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3482] lstat("./279/cgroup.net", [pid 7200] close(19 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] getdents64(3, [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(20 [pid 3487] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] unlink("./279/cgroup.net" [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(21 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(22) = -1 EBADF (Bad file descriptor) [pid 7200] close(23) = -1 EBADF (Bad file descriptor) [pid 7200] close(24) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7200] close(25 [pid 3487] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3486] lstat("./297/binderfs", [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3482] umount2("./279/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7200] close(27 [pid 3486] unlink("./297/binderfs" [pid 3483] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7200] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7200] close(28) = -1 EBADF (Bad file descriptor) [pid 7200] close(29) = -1 EBADF (Bad file descriptor) [pid 7200] exit_group(0 [pid 7203] <... futex resumed>) = ? [pid 7200] <... exit_group resumed>) = ? [pid 3486] <... unlink resumed>) = 0 [pid 3482] lstat("./279/cgroup.cpu", [pid 7203] +++ exited with 0 +++ [pid 7200] +++ exited with 0 +++ [pid 3487] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./279/cgroup.cpu" [pid 3487] getdents64(3, 0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] lstat("./297/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... unlink resumed>) = 0 [pid 3487] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./297/cgroup" [pid 3485] <... openat resumed>) = 3 [pid 3484] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] fstat(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3487] lstat("./300/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] <... openat resumed>) = 3 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] close(3 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] fstat(3, [pid 3483] getdents64(3, [pid 3482] <... close resumed>) = 0 [pid 3487] unlink("./300/binderfs" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] 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 3482] rmdir("./279" [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./297/cgroup.net", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] getdents64(3, [pid 3483] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... rmdir resumed>) = 0 [pid 3487] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] mkdir("./280", 0777 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./297/cgroup.net" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./286/binderfs", [pid 3487] lstat("./300/cgroup", [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./292/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] lstat("./291/binderfs", [pid 3483] unlink("./286/binderfs" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3487] unlink("./300/cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./292/binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./297/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./291/binderfs" [pid 3483] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./297/cgroup.cpu" [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 562 [pid 3484] <... unlink resumed>) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7204 attached [pid 3487] lstat("./300/cgroup.net", [pid 3486] getdents64(3, [pid 3483] lstat("./286/cgroup", [pid 7204] set_robust_list(0x5555562645e0, 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] lstat("./292/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7204] <... set_robust_list resumed>) = 0 [pid 3487] unlink("./300/cgroup.net" [pid 3486] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./291/cgroup", [pid 3483] unlink("./286/cgroup" [pid 7204] chdir("./280" [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] unlink("./292/cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7204] <... chdir resumed>) = 0 [pid 3487] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] rmdir("./297" [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7204] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./291/cgroup" [pid 7204] <... prctl resumed>) = 0 [pid 7204] setpgid(0, 0 [pid 3486] <... rmdir resumed>) = 0 [pid 7204] <... setpgid resumed>) = 0 [pid 7204] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3487] lstat("./300/cgroup.cpu", [pid 3486] mkdir("./298", 0777 [pid 3485] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7204] <... symlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7204] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3487] unlink("./300/cgroup.cpu" [pid 3485] lstat("./292/cgroup.net", [pid 7204] <... symlink resumed>) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./286/cgroup.net", [pid 7204] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7204] <... symlink resumed>) = 0 [pid 7204] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC./strace-static-x86_64: Process 7205 attached ) = 3 [pid 3487] getdents64(3, [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 598 [pid 3485] unlink("./292/cgroup.net" [pid 3484] lstat("./291/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7205] set_robust_list(0x5555562645e0, 24 [pid 7204] write(3, "1000", 4 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7205] <... set_robust_list resumed>) = 0 [pid 7204] <... write resumed>) = 4 [pid 3487] close(3 [pid 3485] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./291/cgroup.net" [pid 3483] unlink("./286/cgroup.net" [pid 7205] chdir("./298" [pid 7204] close(3 [pid 3487] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7204] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7204] read(200, [pid 3487] rmdir("./300" [pid 3485] lstat("./292/cgroup.cpu", [pid 3483] <... unlink resumed>) = 0 [pid 7205] <... chdir resumed>) = 0 [pid 7204] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3484] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7204] symlink("/dev/binderfs", "./binderfs" [pid 7205] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7204] <... symlink resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 7205] <... prctl resumed>) = 0 [pid 7204] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] mkdir("./301", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7205] setpgid(0, 0 [pid 7204] <... futex resumed>) = 0 [pid 3485] unlink("./292/cgroup.cpu" [pid 7205] <... setpgid resumed>) = 0 [pid 7204] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3484] lstat("./291/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7204] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7204] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE) = 0 [pid 7204] 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 ./strace-static-x86_64: Process 7206 attached [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./286/cgroup.cpu", [pid 7206] set_robust_list(0x7fa7c8c309e0, 24 [pid 7205] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7204] <... clone resumed>, parent_tid=[563], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 563 [pid 3485] getdents64(3, [pid 7206] <... set_robust_list resumed>) = 0 [pid 7204] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7206] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7204] <... futex resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 7206] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7204] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7206] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7206] <... futex resumed>) = 0 [pid 7205] <... symlink resumed>) = 0 [pid 7204] close(3 [pid 7206] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7204] close(4) = -1 EBADF (Bad file descriptor) [pid 7204] close(5) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./291/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7205] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7204] close(6 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7204] close(7 [pid 3484] <... unlink resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3483] unlink("./286/cgroup.cpu" [pid 7204] close(8) = -1 EBADF (Bad file descriptor) [pid 7205] <... symlink resumed>) = 0 [pid 7204] close(9) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] getdents64(3, [pid 7204] close(10) = -1 EBADF (Bad file descriptor) [pid 7204] close(11 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3485] rmdir("./292" [pid 7205] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] close(3 [pid 7204] close(12) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7204] close(13 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7207 attached [pid 7205] <... symlink resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] close(3 [pid 7207] set_robust_list(0x5555562645e0, 24 [pid 7205] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7204] close(14 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 604 [pid 3485] mkdir("./293", 0777 [pid 3484] rmdir("./291" [pid 3483] <... close resumed>) = 0 [pid 7207] <... set_robust_list resumed>) = 0 [pid 7205] <... openat resumed>) = 3 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./286" [pid 7207] chdir("./301" [pid 7205] write(3, "1000", 4 [pid 7204] close(15 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 7207] <... chdir resumed>) = 0 [pid 7205] <... write resumed>) = 4 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] mkdir("./292", 0777 [pid 3483] mkdir("./287", 0777 [pid 7207] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7205] close(3 [pid 7204] close(16 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7208 attached [pid 7207] <... prctl resumed>) = 0 [pid 7205] <... close resumed>) = 0 [pid 7204] close(17 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7209 attached [pid 7208] set_robust_list(0x5555562645e0, 24 [pid 7207] setpgid(0, 0 [pid 7205] read(200, [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 588 ./strace-static-x86_64: Process 7210 attached [pid 7209] set_robust_list(0x5555562645e0, 24 [pid 7208] <... set_robust_list resumed>) = 0 [pid 7207] <... setpgid resumed>) = 0 [pid 7205] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7204] close(18 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 586 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 576 [pid 7210] set_robust_list(0x5555562645e0, 24 [pid 7209] <... set_robust_list resumed>) = 0 [pid 7208] chdir("./293" [pid 7207] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7205] symlink("/dev/binderfs", "./binderfs" [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] <... set_robust_list resumed>) = 0 [pid 7209] chdir("./287" [pid 7208] <... chdir resumed>) = 0 [pid 7207] <... symlink resumed>) = 0 [pid 7205] <... symlink resumed>) = 0 [pid 7204] close(19 [pid 7210] chdir("./292" [pid 7209] <... chdir resumed>) = 0 [pid 7208] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7207] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7205] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... chdir resumed>) = 0 [pid 7209] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7208] <... prctl resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7209] <... prctl resumed>) = 0 [pid 7208] setpgid(0, 0 [pid 7204] close(20 [pid 7210] <... prctl resumed>) = 0 [pid 7209] setpgid(0, 0 [pid 7208] <... setpgid resumed>) = 0 [pid 7207] <... symlink resumed>) = 0 [pid 7205] <... futex resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] setpgid(0, 0 [pid 7209] <... setpgid resumed>) = 0 [pid 7208] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7207] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7205] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7204] close(21 [pid 7210] <... setpgid resumed>) = 0 [pid 7209] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7208] <... symlink resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7209] <... symlink resumed>) = 0 [pid 7208] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7207] <... symlink resumed>) = 0 [pid 7205] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7204] close(22 [pid 7210] <... symlink resumed>) = 0 [pid 7209] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7208] <... symlink resumed>) = 0 [pid 7207] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7205] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7209] <... symlink resumed>) = 0 [pid 7208] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7207] <... openat resumed>) = 3 [pid 7205] <... mprotect resumed>) = 0 [pid 7204] close(23 [pid 7210] <... symlink resumed>) = 0 [pid 7209] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7208] <... symlink resumed>) = 0 [pid 7207] write(3, "1000", 4 [pid 7205] 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 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7211 attached [pid 7210] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7209] <... symlink resumed>) = 0 [pid 7208] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7207] <... write resumed>) = 4 [pid 7204] close(24 [pid 7211] set_robust_list(0x7fa7c8c309e0, 24 [pid 7210] <... symlink resumed>) = 0 [pid 7209] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7208] <... openat resumed>) = 3 [pid 7207] close(3 [pid 7205] <... clone resumed>, parent_tid=[599], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 599 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7211] <... set_robust_list resumed>) = 0 [pid 7210] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7209] <... openat resumed>) = 3 [pid 7208] write(3, "1000", 4 [pid 7204] close(25 [pid 7211] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7210] <... openat resumed>) = 3 [pid 7209] write(3, "1000", 4 [pid 7208] <... write resumed>) = 4 [pid 7207] <... close resumed>) = 0 [pid 7205] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] write(3, "1000", 4 [pid 7209] <... write resumed>) = 4 [pid 7208] close(3 [pid 7207] read(200, [pid 7204] close(26 [pid 7211] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] <... write resumed>) = 4 [pid 7209] close(3 [pid 7208] <... close resumed>) = 0 [pid 7207] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7205] <... futex resumed>) = 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7211] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] close(3 [pid 7209] <... close resumed>) = 0 [pid 7208] read(200, [pid 7207] symlink("/dev/binderfs", "./binderfs" [pid 7204] close(27 [pid 7211] <... futex resumed>) = 0 [pid 7210] <... close resumed>) = 0 [pid 7209] read(200, [pid 7208] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7205] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] read(200, [pid 7209] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7208] symlink("/dev/binderfs", "./binderfs" [pid 7207] <... symlink resumed>) = 0 [pid 7204] close(28 [pid 7205] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7211] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7210] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7209] symlink("/dev/binderfs", "./binderfs" [pid 7208] <... symlink resumed>) = 0 [pid 7207] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] close(3 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] symlink("/dev/binderfs", "./binderfs" [pid 7209] <... symlink resumed>) = 0 [pid 7208] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7207] <... futex resumed>) = 0 [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7204] close(29 [pid 7210] <... symlink resumed>) = 0 [pid 7209] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... futex resumed>) = 0 [pid 7207] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7204] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] close(4 [pid 7210] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... futex resumed>) = 0 [pid 7208] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7204] exit_group(0 [pid 7207] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7210] <... futex resumed>) = 0 [pid 7209] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7208] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7206] <... futex resumed>) = ? [pid 7207] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7204] <... exit_group resumed>) = ? [pid 7210] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7209] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7208] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7207] <... mprotect resumed>) = 0 [pid 7206] +++ exited with 0 +++ [pid 7205] close(5 [pid 7210] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7209] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7208] <... mprotect resumed>) = 0 [pid 7204] +++ exited with 0 +++ [pid 7210] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7209] <... mprotect resumed>) = 0 [pid 7208] 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 7207] 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 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7213 attached ./strace-static-x86_64: Process 7212 attached [pid 7210] <... mprotect resumed>) = 0 [pid 7209] 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 7205] close(6 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=562, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 7214 attached [pid 7213] set_robust_list(0x7fa7c8c309e0, 24 [pid 7212] set_robust_list(0x7fa7c8c309e0, 24 [pid 7210] 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 7208] <... clone resumed>, parent_tid=[589], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 589 [pid 7207] <... clone resumed>, parent_tid=[605], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 605 [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7214] set_robust_list(0x7fa7c8c309e0, 24 [pid 7212] <... set_robust_list resumed>) = 0 [pid 7209] <... clone resumed>, parent_tid=[577], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 577 [pid 7208] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] <... restart_syscall resumed>) = 0 ./strace-static-x86_64: Process 7215 attached [pid 7214] <... set_robust_list resumed>) = 0 [pid 7213] <... set_robust_list resumed>) = 0 [pid 7212] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7210] <... clone resumed>, parent_tid=[587], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 587 [pid 7209] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7208] <... futex resumed>) = 0 [pid 7207] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7205] close(7 [pid 7215] set_robust_list(0x7fa7c8c309e0, 24 [pid 7214] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7213] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7212] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7209] <... futex resumed>) = 0 [pid 7208] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7207] <... futex resumed>) = 0 [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7215] <... set_robust_list resumed>) = 0 [pid 7214] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7213] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7212] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7210] <... futex resumed>) = 0 [pid 7209] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7208] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7207] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7205] close(8 [pid 3482] umount2("./280", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7215] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7214] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7213] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7212] <... futex resumed>) = 0 [pid 7210] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7209] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7208] close(3 [pid 7207] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7215] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7214] <... futex resumed>) = 0 [pid 7213] <... futex resumed>) = 0 [pid 7212] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] close(3 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] close(3 [pid 7205] close(9 [pid 3482] openat(AT_FDCWD, "./280", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7215] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7214] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7213] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(4 [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7215] <... futex resumed>) = 1 [pid 7210] <... futex resumed>) = 0 [pid 7209] close(4 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] close(4 [pid 7205] close(10 [pid 3482] fstat(3, [pid 7215] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7210] close(3 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(5 [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(5 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] close(5 [pid 7205] close(11 [pid 3482] getdents64(3, [pid 7210] close(4 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(6 [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(6 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] close(6 [pid 7205] close(12 [pid 3482] umount2("./280/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] close(5 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(7 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(7 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./280/binderfs", [pid 7210] close(6 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(8 [pid 7207] close(7 [pid 7205] close(13 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(8 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./280/binderfs" [pid 7210] close(7 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(9 [pid 7207] close(8 [pid 7205] close(14 [pid 3482] <... unlink resumed>) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(9 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./280/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] close(8 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(10 [pid 7207] close(9 [pid 7205] close(15 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(10 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./280/cgroup", [pid 7210] close(9 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(11 [pid 7207] close(10 [pid 7205] close(16 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(11 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7210] close(10 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(12 [pid 7207] close(11 [pid 7205] close(17 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(12 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./280/cgroup" [pid 7210] close(11 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(13 [pid 7207] close(12 [pid 7205] close(18 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(13 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] close(12 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(14 [pid 7207] close(13 [pid 7205] close(19 [pid 3482] <... unlink resumed>) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(14 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./280/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] close(13 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(15 [pid 7207] close(14 [pid 7205] close(20 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(15 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] close(14 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(16 [pid 7207] close(15 [pid 7205] close(21 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(16 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./280/cgroup.net", [pid 7210] close(15 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(17 [pid 7207] close(16 [pid 7205] close(22 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(17 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7210] close(16 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(18 [pid 7207] close(17 [pid 7205] close(23 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(18 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./280/cgroup.net" [pid 7210] close(17 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(19 [pid 7207] close(18 [pid 7205] close(24 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(19 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] close(18 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(20 [pid 7207] close(19 [pid 7205] close(25 [pid 3482] <... unlink resumed>) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(20 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./280/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7210] close(19 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(21 [pid 7207] close(20 [pid 7205] close(26 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(21 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] close(20 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(22 [pid 7207] close(21 [pid 7205] close(27 [pid 3482] lstat("./280/cgroup.cpu", [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(22 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] close(21 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(23 [pid 7207] close(22 [pid 7205] close(28 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(23 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] close(22 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(24 [pid 7207] close(23 [pid 7205] close(29 [pid 3482] unlink("./280/cgroup.cpu" [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(24 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7210] close(23 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(25 [pid 7207] close(24 [pid 7205] exit_group(0 [pid 3482] <... unlink resumed>) = 0 [pid 7211] <... futex resumed>) = ? [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(25 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7205] <... exit_group resumed>) = ? [pid 7211] +++ exited with 0 +++ [pid 7210] close(24 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(26 [pid 7207] close(25 [pid 7205] +++ exited with 0 +++ [pid 3482] getdents64(3, [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(26 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7210] close(25 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(27 [pid 7207] close(26 [pid 3482] close(3 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(27 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7210] close(26 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(28 [pid 7207] close(27 [pid 3486] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./280" [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(28 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7210] close(27 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] close(29 [pid 7207] close(28 [pid 3486] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... rmdir resumed>) = 0 [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] close(29 [pid 7208] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3482] mkdir("./281", 0777 [pid 7210] close(28 [pid 7209] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7208] exit_group(0 [pid 7207] close(29 [pid 3486] fstat(3, [pid 7212] <... futex resumed>) = ? [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7209] exit_group(0 [pid 7208] <... exit_group resumed>) = ? [pid 7207] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7214] <... futex resumed>) = ? [pid 7210] close(29 [pid 7209] <... exit_group resumed>) = ? [pid 7207] exit_group(0 [pid 3486] getdents64(3, [pid 7213] <... futex resumed>) = ? [pid 7210] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7207] <... exit_group resumed>) = ? [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7214] +++ exited with 0 +++ [pid 7213] +++ exited with 0 +++ [pid 7212] +++ exited with 0 +++ [pid 7210] exit_group(0 [pid 7209] +++ exited with 0 +++ [pid 7208] +++ exited with 0 +++ [pid 7207] +++ exited with 0 +++ [pid 3486] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7215] <... futex resumed>) = ? [pid 7210] <... exit_group resumed>) = ? [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7215] +++ exited with 0 +++ [pid 7210] +++ exited with 0 +++ [pid 3486] lstat("./298/binderfs", {st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 7216 attached [pid 3486] unlink("./298/binderfs" [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7216] set_robust_list(0x5555562645e0, 24 [pid 3486] <... unlink resumed>) = 0 [pid 7216] <... set_robust_list resumed>) = 0 [pid 3487] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 564 [pid 7216] chdir("./281" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] lstat("./298/cgroup", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7216] <... chdir resumed>) = 0 [pid 3487] <... openat resumed>) = 3 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] fstat(3, [pid 3486] unlink("./298/cgroup" [pid 3485] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] <... prctl resumed>) = 0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3484] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7216] setpgid(0, 0 [pid 3487] getdents64(3, [pid 3486] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] <... setpgid resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./298/cgroup.net", [pid 3485] fstat(3, [pid 3484] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7216] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3487] lstat("./301/binderfs", [pid 3486] unlink("./298/cgroup.net" [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 7216] <... symlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3487] unlink("./301/binderfs" [pid 3486] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] fstat(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./298/cgroup.cpu", [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7216] <... symlink resumed>) = 0 [pid 3487] lstat("./301/cgroup", [pid 3486] unlink("./298/cgroup.cpu" [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7216] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] getdents64(3, [pid 7216] <... symlink resumed>) = 0 [pid 3487] unlink("./301/cgroup" [pid 3486] getdents64(3, [pid 3485] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7216] <... openat resumed>) = 3 [pid 3487] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 3485] lstat("./293/binderfs", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] write(3, "1000", 4 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7216] <... write resumed>) = 4 [pid 3487] lstat("./301/cgroup.net", [pid 3486] rmdir("./298" [pid 3485] unlink("./293/binderfs" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./287/binderfs", [pid 7216] close(3 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./292/binderfs", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7216] <... close resumed>) = 0 [pid 3487] unlink("./301/cgroup.net" [pid 3486] mkdir("./299", 0777 [pid 3485] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./287/binderfs" [pid 7216] read(200, [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./292/binderfs" [pid 3483] <... unlink resumed>) = 0 [pid 7216] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... mkdir resumed>) = 0 [pid 3485] lstat("./293/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7216] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7216] <... symlink resumed>) = 0 [pid 3487] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./293/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./287/cgroup", [pid 7216] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [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 3484] lstat("./292/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7216] <... futex resumed>) = 0 [pid 3487] lstat("./301/cgroup.cpu", [pid 3485] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./287/cgroup"./strace-static-x86_64: Process 7217 attached [pid 7216] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./292/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 7217] set_robust_list(0x5555562645e0, 24 [pid 7216] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] unlink("./301/cgroup.cpu" [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 600 [pid 3485] lstat("./293/cgroup.net", [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7217] <... set_robust_list resumed>) = 0 [pid 7216] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7217] chdir("./299" [pid 7216] <... mprotect resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./293/cgroup.net" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./287/cgroup.net", [pid 7217] <... chdir resumed>) = 0 [pid 7216] 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] getdents64(3, [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./292/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7218 attached [pid 7217] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3485] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./287/cgroup.net" [pid 7218] set_robust_list(0x7fa7c8c309e0, 24 [pid 7217] <... prctl resumed>) = 0 [pid 7216] <... clone resumed>, parent_tid=[565], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 565 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./292/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 7218] <... set_robust_list resumed>) = 0 [pid 7217] setpgid(0, 0 [pid 7216] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] close(3 [pid 3485] lstat("./293/cgroup.cpu", [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7218] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7217] <... setpgid resumed>) = 0 [pid 7216] <... futex resumed>) = 0 [pid 3487] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7218] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7216] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] rmdir("./301" [pid 3485] unlink("./293/cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./287/cgroup.cpu", [pid 7218] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... symlink resumed>) = 0 [pid 7216] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./292/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7218] <... futex resumed>) = 0 [pid 7217] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7216] close(3 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./287/cgroup.cpu" [pid 7218] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7217] <... symlink resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./302", 0777 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./292/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 7217] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7216] close(4 [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 7217] <... symlink resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7217] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7216] close(5 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] rmdir("./293" [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] close(3./strace-static-x86_64: Process 7219 attached [pid 7217] <... openat resumed>) = 3 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] close(3 [pid 3483] <... close resumed>) = 0 [pid 7219] set_robust_list(0x5555562645e0, 24 [pid 7217] write(3, "1000", 4 [pid 7216] close(6 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 606 [pid 3485] mkdir("./294", 0777 [pid 3484] <... close resumed>) = 0 [pid 3483] rmdir("./287" [pid 7219] <... set_robust_list resumed>) = 0 [pid 7217] <... write resumed>) = 4 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 3484] rmdir("./292" [pid 7219] chdir("./302" [pid 7217] close(3 [pid 7216] close(7 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 7219] <... chdir resumed>) = 0 [pid 7219] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7217] <... close resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./288", 0777 [pid 7219] <... prctl resumed>) = 0 [pid 7217] read(200, [pid 7216] close(8 [pid 7219] setpgid(0, 0 [pid 7217] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7220 attached [pid 7219] <... setpgid resumed>) = 0 [pid 7217] symlink("/dev/binderfs", "./binderfs" [pid 7216] close(9 [pid 3484] mkdir("./293", 0777 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7219] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7217] <... symlink resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 590 [pid 7216] close(10 [pid 3484] <... mkdir resumed>) = 0 [pid 7217] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000./strace-static-x86_64: Process 7221 attached [pid 7220] set_robust_list(0x5555562645e0, 24 [pid 7219] <... symlink resumed>) = 0 [pid 7217] <... futex resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7221] set_robust_list(0x5555562645e0, 24 [pid 7220] <... set_robust_list resumed>) = 0 [pid 7219] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7217] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7216] close(11 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 578 ./strace-static-x86_64: Process 7222 attached [pid 7221] <... set_robust_list resumed>) = 0 [pid 7220] chdir("./294" [pid 7219] <... symlink resumed>) = 0 [pid 7217] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 588 [pid 7222] set_robust_list(0x5555562645e0, 24 [pid 7221] chdir("./288" [pid 7220] <... chdir resumed>) = 0 [pid 7219] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7217] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7216] close(12 [pid 7222] <... set_robust_list resumed>) = 0 [pid 7221] <... chdir resumed>) = 0 [pid 7220] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7219] <... symlink resumed>) = 0 [pid 7217] <... mprotect resumed>) = 0 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] chdir("./293" [pid 7221] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7220] <... prctl resumed>) = 0 [pid 7219] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7217] 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 7216] close(13./strace-static-x86_64: Process 7223 attached [pid 7222] <... chdir resumed>) = 0 [pid 7221] <... prctl resumed>) = 0 [pid 7220] setpgid(0, 0 [pid 7219] <... openat resumed>) = 3 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7223] set_robust_list(0x7fa7c8c309e0, 24 [pid 7222] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7221] setpgid(0, 0 [pid 7220] <... setpgid resumed>) = 0 [pid 7219] write(3, "1000", 4 [pid 7217] <... clone resumed>, parent_tid=[601], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 601 [pid 7216] close(14 [pid 7223] <... set_robust_list resumed>) = 0 [pid 7222] <... prctl resumed>) = 0 [pid 7221] <... setpgid resumed>) = 0 [pid 7220] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7219] <... write resumed>) = 4 [pid 7217] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7223] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7222] setpgid(0, 0 [pid 7221] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7220] <... symlink resumed>) = 0 [pid 7219] close(3 [pid 7217] <... futex resumed>) = 0 [pid 7216] close(15 [pid 7223] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... setpgid resumed>) = 0 [pid 7221] <... symlink resumed>) = 0 [pid 7220] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7219] <... close resumed>) = 0 [pid 7217] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7223] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7221] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7220] <... symlink resumed>) = 0 [pid 7219] read(200, [pid 7217] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7216] close(16 [pid 7223] <... futex resumed>) = 0 [pid 7222] <... symlink resumed>) = 0 [pid 7220] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7219] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] close(3 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7223] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7222] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7221] <... symlink resumed>) = 0 [pid 7220] <... symlink resumed>) = 0 [pid 7219] symlink("/dev/binderfs", "./binderfs" [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(17 [pid 7220] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7219] <... symlink resumed>) = 0 [pid 7217] close(4 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... symlink resumed>) = 0 [pid 7221] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7220] <... openat resumed>) = 3 [pid 7219] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(18 [pid 7220] write(3, "1000", 4 [pid 7219] <... futex resumed>) = 0 [pid 7217] close(5 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7221] <... symlink resumed>) = 0 [pid 7220] <... write resumed>) = 4 [pid 7219] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(19 [pid 7222] <... symlink resumed>) = 0 [pid 7221] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7220] close(3 [pid 7219] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7217] close(6 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7221] <... openat resumed>) = 3 [pid 7220] <... close resumed>) = 0 [pid 7219] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(20 [pid 7222] <... openat resumed>) = 3 [pid 7221] write(3, "1000", 4 [pid 7220] read(200, [pid 7219] <... mprotect resumed>) = 0 [pid 7217] close(7 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] write(3, "1000", 4 [pid 7221] <... write resumed>) = 4 [pid 7220] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] 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 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(21./strace-static-x86_64: Process 7224 attached [pid 7222] <... write resumed>) = 4 [pid 7221] close(3 [pid 7220] symlink("/dev/binderfs", "./binderfs" [pid 7217] close(8 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7224] set_robust_list(0x7fa7c8c309e0, 24 [pid 7222] close(3 [pid 7221] <... close resumed>) = 0 [pid 7220] <... symlink resumed>) = 0 [pid 7219] <... clone resumed>, parent_tid=[607], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 607 [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(22 [pid 7224] <... set_robust_list resumed>) = 0 [pid 7222] <... close resumed>) = 0 [pid 7221] read(200, [pid 7220] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7217] close(9 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7224] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7222] read(200, [pid 7221] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... futex resumed>) = 0 [pid 7219] <... futex resumed>) = 0 [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(23 [pid 7224] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7221] symlink("/dev/binderfs", "./binderfs" [pid 7220] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7219] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7217] close(10 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7224] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7219] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(24 [pid 7224] <... futex resumed>) = 0 [pid 7222] symlink("/dev/binderfs", "./binderfs" [pid 7221] <... symlink resumed>) = 0 [pid 7220] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7219] close(3 [pid 7217] close(11 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7224] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7222] <... symlink resumed>) = 0 [pid 7220] <... mprotect resumed>) = 0 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(25 [pid 7222] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] 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 7219] close(4 [pid 7217] close(12 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7225 attached [pid 7222] <... futex resumed>) = 0 [pid 7221] <... futex resumed>) = 0 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(26 [pid 7225] set_robust_list(0x7fa7c8c309e0, 24 [pid 7222] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7221] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7220] <... clone resumed>, parent_tid=[591], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 591 [pid 7219] close(5 [pid 7217] close(13 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7225] <... set_robust_list resumed>) = 0 [pid 7222] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7221] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7220] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(27 [pid 7225] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7222] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7221] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7220] <... futex resumed>) = 0 [pid 7219] close(6 [pid 7217] close(14 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7225] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... mprotect resumed>) = 0 [pid 7221] <... mprotect resumed>) = 0 [pid 7220] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(28 [pid 7225] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] 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 7221] 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 7220] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7219] close(7 [pid 7217] close(15 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7227 attached ./strace-static-x86_64: Process 7226 attached [pid 7225] <... futex resumed>) = 0 [pid 7220] close(3 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] close(29 [pid 7227] set_robust_list(0x7fa7c8c309e0, 24 [pid 7226] set_robust_list(0x7fa7c8c309e0, 24 [pid 7225] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7222] <... clone resumed>, parent_tid=[589], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 589 [pid 7221] <... clone resumed>, parent_tid=[579], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 579 [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(8 [pid 7217] close(16 [pid 7216] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7227] <... set_robust_list resumed>) = 0 [pid 7226] <... set_robust_list resumed>) = 0 [pid 7222] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7221] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7220] close(4 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] exit_group(0 [pid 7227] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7226] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7222] <... futex resumed>) = 0 [pid 7221] <... futex resumed>) = 0 [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(9 [pid 7218] <... futex resumed>) = ? [pid 7217] close(17 [pid 7216] <... exit_group resumed>) = ? [pid 7227] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7226] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7221] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7220] close(5 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7218] +++ exited with 0 +++ [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7216] +++ exited with 0 +++ [pid 7227] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7226] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7222] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7221] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(10 [pid 7217] close(18 [pid 7227] <... futex resumed>) = 0 [pid 7226] <... futex resumed>) = 0 [pid 7222] close(3 [pid 7221] close(3 [pid 7220] close(6 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=564, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7227] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7226] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(11 [pid 7217] close(19 [pid 3482] umount2("./281", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7220] close(7 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] close(4 [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(4 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(12 [pid 7217] close(20 [pid 3482] openat(AT_FDCWD, "./281", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7222] close(5 [pid 7221] close(5 [pid 7220] close(8 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(13 [pid 7217] close(21 [pid 3482] fstat(3, [pid 7222] close(6 [pid 7221] close(6 [pid 7220] close(9 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(14 [pid 7217] close(22 [pid 3482] getdents64(3, [pid 7222] close(7 [pid 7221] close(7 [pid 7220] close(10 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(15 [pid 7217] close(23 [pid 3482] umount2("./281/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7222] close(8 [pid 7221] close(8 [pid 7220] close(11 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(16 [pid 7217] close(24 [pid 3482] lstat("./281/binderfs", [pid 7222] close(9 [pid 7221] close(9 [pid 7220] close(12 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(17 [pid 7217] close(25 [pid 3482] unlink("./281/binderfs" [pid 7222] close(10 [pid 7221] close(10 [pid 7220] close(13 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(18 [pid 7217] close(26 [pid 3482] umount2("./281/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7222] close(11 [pid 7221] close(11 [pid 7220] close(14 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(19 [pid 7217] close(27 [pid 3482] lstat("./281/cgroup", [pid 7222] close(12 [pid 7221] close(12 [pid 7220] close(15 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(20 [pid 7217] close(28 [pid 3482] unlink("./281/cgroup" [pid 7222] close(13 [pid 7221] close(13 [pid 7220] close(16 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(21 [pid 7217] close(29 [pid 3482] umount2("./281/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7222] close(14 [pid 7221] close(14 [pid 7220] close(17 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(22 [pid 7217] exit_group(0 [pid 3482] lstat("./281/cgroup.net", [pid 7223] <... futex resumed>) = ? [pid 7222] close(15 [pid 7221] close(15 [pid 7220] close(18 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7217] <... exit_group resumed>) = ? [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7223] +++ exited with 0 +++ [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(23 [pid 7217] +++ exited with 0 +++ [pid 3482] unlink("./281/cgroup.net" [pid 7222] close(16 [pid 7221] close(16 [pid 7220] close(19 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(24 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] close(17 [pid 7220] close(20 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] umount2("./281/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(17 [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(25 [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7222] close(18 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] close(21 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... restart_syscall resumed>) = 0 [pid 3482] lstat("./281/cgroup.cpu", [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(18 [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(26 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7220] close(22 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./281/cgroup.cpu" [pid 7222] close(19 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(27 [pid 3482] <... unlink resumed>) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(19 [pid 7220] close(23 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 7222] close(20 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(20 [pid 7220] close(24 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] close(3 [pid 7222] close(21 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] close(29 [pid 3486] <... openat resumed>) = 3 [pid 3482] <... close resumed>) = 0 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(21 [pid 7220] close(25 [pid 7219] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3482] rmdir("./281" [pid 7222] close(22 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] exit_group(0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7224] <... futex resumed>) = ? [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(22 [pid 7220] close(26 [pid 7219] <... exit_group resumed>) = ? [pid 3486] getdents64(3, [pid 3482] mkdir("./282", 0777 [pid 7224] +++ exited with 0 +++ [pid 7222] close(23 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(23 [pid 7222] close(24 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(24 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7222] close(25 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(25 [pid 7222] close(26 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(26 [pid 7220] close(27 [pid 3486] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... mkdir resumed>) = 0 [pid 7222] close(27 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7219] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(27 [pid 7220] close(28 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3486] lstat("./299/binderfs", [pid 7222] close(28 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(28 [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 ./strace-static-x86_64: Process 7228 attached [pid 7222] close(29 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7228] set_robust_list(0x5555562645e0, 24 [pid 7222] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7221] close(29 [pid 7220] close(29 [pid 3486] unlink("./299/binderfs" [pid 7222] exit_group(0 [pid 7221] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7222] <... exit_group resumed>) = ? [pid 7221] exit_group(0 [pid 7228] <... set_robust_list resumed>) = 0 [pid 7227] <... futex resumed>) = ? [pid 7226] <... futex resumed>) = ? [pid 7221] <... exit_group resumed>) = ? [pid 7220] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 566 [pid 7226] +++ exited with 0 +++ [pid 7222] +++ exited with 0 +++ [pid 7228] chdir("./282") = 0 [pid 7228] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 7228] setpgid(0, 0) = 0 [pid 7228] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3486] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7220] exit_group(0 [pid 3487] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7220] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./299/cgroup", [pid 7225] <... futex resumed>) = ? [pid 7228] <... symlink resumed>) = 0 [pid 7228] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7225] +++ exited with 0 +++ [pid 7220] +++ exited with 0 +++ [pid 3487] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7228] <... symlink resumed>) = 0 [pid 7227] +++ exited with 0 +++ [pid 7221] +++ exited with 0 +++ [pid 3487] <... openat resumed>) = 3 [pid 7228] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] fstat(3, [pid 3486] unlink("./299/cgroup" [pid 7228] <... symlink resumed>) = 0 [pid 7228] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 7228] <... openat resumed>) = 3 [pid 3487] getdents64(3, [pid 3486] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7228] write(3, "1000", 4) = 4 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./299/cgroup.net", [pid 7228] close(3 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... close resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] lstat("./302/binderfs", [pid 3486] unlink("./299/cgroup.net" [pid 7228] read(200, [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 7228] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] symlink("/dev/binderfs", "./binderfs" [pid 3487] unlink("./302/binderfs" [pid 3486] <... unlink resumed>) = 0 [pid 3484] fstat(3, [pid 7228] <... symlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 [pid 7228] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000) = 0 [pid 7228] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] fstat(3, [pid 3487] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7228] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 7228] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7228] <... mprotect resumed>) = 0 [pid 3487] lstat("./302/cgroup", [pid 3486] lstat("./299/cgroup.cpu", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7228] 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) [pid 3483] getdents64(3, ./strace-static-x86_64: Process 7229 attached [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7229] set_robust_list(0x7fa7c8c309e0, 24 [pid 7228] <... clone resumed>, parent_tid=[567], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 567 [pid 3485] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7229] <... set_robust_list resumed>) = 0 [pid 7228] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] unlink("./302/cgroup" [pid 3486] unlink("./299/cgroup.cpu" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7229] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7228] <... futex resumed>) = 0 [pid 7228] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 7229] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] lstat("./293/binderfs", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7229] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] getdents64(3, [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7229] <... futex resumed>) = 1 [pid 7228] <... futex resumed>) = 0 [pid 3487] lstat("./302/cgroup.net", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] unlink("./293/binderfs" [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./288/binderfs", [pid 7229] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7228] close(3 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] close(3 [pid 3485] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./302/cgroup.net" [pid 3486] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7228] close(4 [pid 3485] lstat("./294/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] lstat("./293/cgroup", [pid 3483] unlink("./288/binderfs" [pid 7228] close(5 [pid 3487] <... unlink resumed>) = 0 [pid 3486] rmdir("./299" [pid 3485] unlink("./294/binderfs" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./293/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 7228] close(6 [pid 3487] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... rmdir resumed>) = 0 [pid 3485] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7228] close(7 [pid 3485] lstat("./294/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] mkdir("./300", 0777 [pid 3483] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7228] close(8 [pid 3487] lstat("./302/cgroup.cpu", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./293/cgroup.net", [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] unlink("./294/cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7228] close(9 [pid 3487] unlink("./302/cgroup.cpu" [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./293/cgroup.net"./strace-static-x86_64: Process 7230 attached [pid 7228] close(10 [pid 3487] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./288/cgroup", [pid 7230] set_robust_list(0x5555562645e0, 24 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 602 [pid 3485] lstat("./294/cgroup.net", [pid 3484] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7230] <... set_robust_list resumed>) = 0 [pid 7228] close(11 [pid 3487] close(3 [pid 3483] unlink("./288/cgroup" [pid 7230] chdir("./300" [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 7230] <... chdir resumed>) = 0 [pid 7228] close(12 [pid 3487] rmdir("./302" [pid 3485] unlink("./294/cgroup.net" [pid 3483] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7230] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3484] lstat("./293/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] mkdir("./303", 0777 [pid 3483] lstat("./288/cgroup.net", [pid 7230] <... prctl resumed>) = 0 [pid 7228] close(13 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [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 7230] setpgid(0, 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./293/cgroup.cpu" [pid 3483] unlink("./288/cgroup.net"./strace-static-x86_64: Process 7231 attached [pid 7230] <... setpgid resumed>) = 0 [pid 7228] close(14 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7231] set_robust_list(0x5555562645e0, 24 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 608 [pid 3483] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7231] <... set_robust_list resumed>) = 0 [pid 7230] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7228] close(15 [pid 3485] lstat("./294/cgroup.cpu", [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7231] chdir("./303" [pid 7230] <... symlink resumed>) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./288/cgroup.cpu", [pid 7231] <... chdir resumed>) = 0 [pid 7228] close(16 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7230] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7231] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./294/cgroup.cpu" [pid 3484] close(3 [pid 3483] unlink("./288/cgroup.cpu" [pid 7230] <... symlink resumed>) = 0 [pid 7228] close(17 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7231] <... prctl resumed>) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] <... close resumed>) = 0 [pid 3483] getdents64(3, [pid 7231] setpgid(0, 0 [pid 7230] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7228] close(18 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] rmdir("./293" [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7231] <... setpgid resumed>) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7230] <... symlink resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 3483] rmdir("./288" [pid 7231] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7230] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7228] close(19 [pid 3485] close(3 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 3483] mkdir("./289", 0777 [pid 7231] <... symlink resumed>) = 0 [pid 7230] <... openat resumed>) = 3 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] mkdir("./294", 0777 [pid 3483] <... mkdir resumed>) = 0 [pid 7231] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7230] write(3, "1000", 4 [pid 7228] close(20 [pid 3485] rmdir("./294" [pid 3484] <... mkdir resumed>) = 0 [pid 7231] <... symlink resumed>) = 0 [pid 7230] <... write resumed>) = 4 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7232 attached [pid 7228] close(21 [pid 3485] <... rmdir resumed>) = 0 [pid 7232] set_robust_list(0x5555562645e0, 24 [pid 7231] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7230] close(3 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 580 [pid 7232] <... set_robust_list resumed>) = 0 [pid 3485] mkdir("./295", 0777 [pid 7232] chdir("./289") = 0 [pid 7231] <... symlink resumed>) = 0 [pid 7230] <... close resumed>) = 0 [pid 7228] close(22 [pid 7232] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 ./strace-static-x86_64: Process 7233 attached [pid 7232] setpgid(0, 0 [pid 7231] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7230] read(200, [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] set_robust_list(0x5555562645e0, 24 [pid 7232] <... setpgid resumed>) = 0 [pid 7233] <... set_robust_list resumed>) = 0 [pid 7232] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7230] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7228] close(23 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 590 [pid 7233] chdir("./294" [pid 7232] <... symlink resumed>) = 0 [pid 7231] <... openat resumed>) = 3 [pid 7230] symlink("/dev/binderfs", "./binderfs" [pid 7228] <... 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 7234 attached [pid 7233] <... chdir resumed>) = 0 [pid 7232] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7231] write(3, "1000", 4 [pid 7230] <... symlink resumed>) = 0 [pid 7228] close(24 [pid 7234] set_robust_list(0x5555562645e0, 24 [pid 7233] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7231] <... write resumed>) = 4 [pid 7230] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 592 [pid 7234] <... set_robust_list resumed>) = 0 [pid 7233] <... prctl resumed>) = 0 [pid 7232] <... symlink resumed>) = 0 [pid 7231] close(3 [pid 7230] <... futex resumed>) = 0 [pid 7228] close(25 [pid 7234] chdir("./295" [pid 7233] setpgid(0, 0 [pid 7232] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7231] <... close resumed>) = 0 [pid 7230] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... chdir resumed>) = 0 [pid 7233] <... setpgid resumed>) = 0 [pid 7231] read(200, [pid 7230] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7228] close(26 [pid 7234] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7233] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7232] <... symlink resumed>) = 0 [pid 7231] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7230] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... prctl resumed>) = 0 [pid 7231] symlink("/dev/binderfs", "./binderfs" [pid 7230] <... mprotect resumed>) = 0 [pid 7228] close(27 [pid 7234] setpgid(0, 0 [pid 7233] <... symlink resumed>) = 0 [pid 7232] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7231] <... symlink resumed>) = 0 [pid 7230] 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 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7235 attached [pid 7234] <... setpgid resumed>) = 0 [pid 7233] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7232] <... openat resumed>) = 3 [pid 7231] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] close(28 [pid 7235] set_robust_list(0x7fa7c8c309e0, 24 [pid 7231] <... futex resumed>) = 0 [pid 7230] <... clone resumed>, parent_tid=[603], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 603 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7235] <... set_robust_list resumed>) = 0 [pid 7233] <... symlink resumed>) = 0 [pid 7232] write(3, "1000", 4 [pid 7231] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7230] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7228] close(29 [pid 7235] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7234] <... symlink resumed>) = 0 [pid 7233] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7232] <... write resumed>) = 4 [pid 7231] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7230] <... futex resumed>) = 0 [pid 7228] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7235] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7233] <... symlink resumed>) = 0 [pid 7230] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7228] exit_group(0 [pid 7232] close(3 [pid 7234] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7235] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7232] <... close resumed>) = 0 [pid 7231] <... mprotect resumed>) = 0 [pid 7230] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7229] <... futex resumed>) = ? [pid 7228] <... exit_group resumed>) = ? [pid 7235] <... futex resumed>) = 0 [pid 7234] <... symlink resumed>) = 0 [pid 7233] <... openat resumed>) = 3 [pid 7232] read(200, [pid 7231] 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 7230] close(3 [pid 7229] +++ exited with 0 +++ [pid 7228] +++ exited with 0 +++ ./strace-static-x86_64: Process 7236 attached [pid 7235] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7233] write(3, "1000", 4 [pid 7232] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7236] set_robust_list(0x7fa7c8c309e0, 24 [pid 7231] <... clone resumed>, parent_tid=[609], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 609 [pid 7230] close(4 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=566, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7236] <... set_robust_list resumed>) = 0 [pid 7234] <... symlink resumed>) = 0 [pid 7233] <... write resumed>) = 4 [pid 7232] symlink("/dev/binderfs", "./binderfs" [pid 7231] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7236] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7233] close(3 [pid 7231] <... futex resumed>) = 0 [pid 7230] close(5 [pid 7236] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7233] <... close resumed>) = 0 [pid 7232] <... symlink resumed>) = 0 [pid 7231] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./282", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7236] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] <... openat resumed>) = 3 [pid 7233] read(200, [pid 7231] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7230] close(6 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7236] <... futex resumed>) = 0 [pid 7234] write(3, "1000", 4 [pid 7233] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7232] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] close(3 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] openat(AT_FDCWD, "./282", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7236] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] <... write resumed>) = 4 [pid 7233] symlink("/dev/binderfs", "./binderfs" [pid 7232] <... futex resumed>) = 0 [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(7 [pid 3482] <... openat resumed>) = 3 [pid 7234] close(3 [pid 7233] <... symlink resumed>) = 0 [pid 7232] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7231] close(4 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] fstat(3, [pid 7234] <... close resumed>) = 0 [pid 7233] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7232] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(8 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7234] read(200, [pid 7233] <... futex resumed>) = 0 [pid 7232] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7231] close(5 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7234] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7233] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7232] <... mprotect resumed>) = 0 [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(9 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7234] symlink("/dev/binderfs", "./binderfs" [pid 7233] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7232] 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 7231] close(6 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./282/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(10 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7237 attached [pid 7234] <... symlink resumed>) = 0 [pid 7233] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7231] close(7 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./282/binderfs", [pid 7237] set_robust_list(0x7fa7c8c309e0, 24 [pid 7234] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... mprotect resumed>) = 0 [pid 7232] <... clone resumed>, parent_tid=[581], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 581 [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(11 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7237] <... set_robust_list resumed>) = 0 [pid 7234] <... futex resumed>) = 0 [pid 7233] 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 7232] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7231] close(8 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./282/binderfs"./strace-static-x86_64: Process 7238 attached [pid 7237] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7234] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7232] <... futex resumed>) = 0 [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(12 [pid 3482] <... unlink resumed>) = 0 [pid 7234] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7233] <... clone resumed>, parent_tid=[591], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 591 [pid 7232] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7234] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7233] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7238] set_robust_list(0x7fa7c8c309e0, 24 [pid 7237] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... mprotect resumed>) = 0 [pid 7233] <... futex resumed>) = 0 [pid 7231] close(9 [pid 7238] <... set_robust_list resumed>) = 0 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./282/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7238] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7237] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] 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 7233] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(13./strace-static-x86_64: Process 7239 attached [pid 7238] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7237] <... futex resumed>) = 1 [pid 7232] <... futex resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7239] set_robust_list(0x7fa7c8c309e0, 24 [pid 7238] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7237] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] <... clone resumed>, parent_tid=[593], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 593 [pid 7232] close(3 [pid 7231] close(10 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./282/cgroup", [pid 7239] <... set_robust_list resumed>) = 0 [pid 7238] <... futex resumed>) = 1 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(14 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7239] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7238] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7233] <... futex resumed>) = 0 [pid 7232] close(4 [pid 7231] close(11 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./282/cgroup" [pid 7239] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... futex resumed>) = 0 [pid 7233] close(3 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(15 [pid 3482] <... unlink resumed>) = 0 [pid 7239] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(5 [pid 7231] close(12 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./282/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7239] <... futex resumed>) = 0 [pid 7234] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7233] close(4 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(16 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7239] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7234] close(3 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(6 [pid 7231] close(13 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./282/cgroup.net", [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(5 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(17 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7234] close(4 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(7 [pid 7231] close(14 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./282/cgroup.net" [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(6 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(18 [pid 3482] <... unlink resumed>) = 0 [pid 7234] close(5 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(8 [pid 7231] close(15 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./282/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(19 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7234] close(6 [pid 7232] close(9 [pid 7231] close(16 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./282/cgroup.cpu", [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(7 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(20 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7234] close(7 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(10 [pid 7231] close(17 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./282/cgroup.cpu" [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(8 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(21 [pid 3482] <... unlink resumed>) = 0 [pid 7234] close(8 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(11 [pid 7231] close(18 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(9 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(22 [pid 3482] getdents64(3, [pid 7234] close(9 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(12 [pid 7231] close(19 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(10 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(23 [pid 3482] close(3 [pid 7234] close(10 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(13 [pid 7231] close(20 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(11 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(24 [pid 3482] rmdir("./282" [pid 7234] close(11 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(14 [pid 7231] close(21 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(12 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(25 [pid 3482] <... rmdir resumed>) = 0 [pid 7234] close(12 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(15 [pid 7231] close(22 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] mkdir("./283", 0777 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(13 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(26 [pid 3482] <... mkdir resumed>) = 0 [pid 7234] close(13 [pid 7232] close(16 [pid 7231] close(23 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(27./strace-static-x86_64: Process 7240 attached [pid 7234] close(14 [pid 7233] close(14 [pid 7232] close(17 [pid 7231] close(24 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7240] set_robust_list(0x5555562645e0, 24 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(28 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 568 [pid 7240] <... set_robust_list resumed>) = 0 [pid 7234] close(15 [pid 7233] close(15 [pid 7232] close(18 [pid 7231] close(25 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7240] chdir("./283" [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] close(29 [pid 7240] <... chdir resumed>) = 0 [pid 7234] close(16 [pid 7233] close(16 [pid 7232] close(19 [pid 7231] close(26 [pid 7230] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7240] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7230] exit_group(0 [pid 7240] <... prctl resumed>) = 0 [pid 7235] <... futex resumed>) = ? [pid 7234] close(17 [pid 7233] close(17 [pid 7232] close(20 [pid 7231] close(27 [pid 7230] <... exit_group resumed>) = ? [pid 7240] setpgid(0, 0 [pid 7235] +++ exited with 0 +++ [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7240] <... setpgid resumed>) = 0 [pid 7234] close(18 [pid 7233] close(18 [pid 7231] close(28 [pid 7230] +++ exited with 0 +++ [pid 7232] close(21 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7240] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(19) = -1 EBADF (Bad file descriptor) [pid 7240] <... symlink resumed>) = 0 [pid 7234] close(19 [pid 7233] close(20 [pid 7231] close(29 [pid 7240] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(22 [pid 7233] close(21 [pid 7231] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] close(20 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(22 [pid 7240] <... symlink resumed>) = 0 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(23 [pid 7232] close(23 [pid 7231] exit_group(0 [pid 7240] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7234] close(21 [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7236] <... futex resumed>) = ? [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(24 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7231] <... exit_group resumed>) = ? [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] close(25) = -1 EBADF (Bad file descriptor) [pid 7234] close(22 [pid 7233] close(26 [pid 7236] +++ exited with 0 +++ [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(24 [pid 7233] close(27) = -1 EBADF (Bad file descriptor) [pid 7233] close(28) = -1 EBADF (Bad file descriptor) [pid 7233] close(29) = -1 EBADF (Bad file descriptor) [pid 7233] exit_group(0 [pid 7231] +++ exited with 0 +++ [pid 7238] <... futex resumed>) = ? [pid 7234] close(23 [pid 7233] <... exit_group resumed>) = ? [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7240] <... symlink resumed>) = 0 [pid 7238] +++ exited with 0 +++ [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7233] +++ exited with 0 +++ [pid 7232] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7234] close(24 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7240] <... openat resumed>) = 3 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(26 [pid 3486] <... openat resumed>) = 3 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 7240] write(3, "1000", 4 [pid 7234] close(25 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 7240] <... write resumed>) = 4 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(27 [pid 3487] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 7240] close(3 [pid 7234] close(26 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] getdents64(3, [pid 7240] <... close resumed>) = 0 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] close(28 [pid 3487] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7234] close(27 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7240] read(200, [pid 3487] <... openat resumed>) = 3 [pid 7240] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7240] symlink("/dev/binderfs", "./binderfs" [pid 7234] close(28 [pid 3487] fstat(3, [pid 7232] close(29 [pid 7240] <... symlink resumed>) = 0 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7234] close(29 [pid 7232] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] lstat("./300/binderfs", [pid 3484] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7240] <... futex resumed>) = 0 [pid 7234] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7232] exit_group(0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... openat resumed>) = 3 [pid 7240] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7237] <... futex resumed>) = ? [pid 7234] exit_group(0 [pid 7232] <... exit_group resumed>) = ? [pid 3487] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./300/binderfs" [pid 3484] fstat(3, [pid 7240] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7239] <... futex resumed>) = ? [pid 7237] +++ exited with 0 +++ [pid 7234] <... exit_group resumed>) = ? [pid 7232] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7240] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7239] +++ exited with 0 +++ [pid 7234] +++ exited with 0 +++ [pid 3487] lstat("./303/binderfs", [pid 3486] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7240] <... mprotect resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7240] 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("./303/binderfs"./strace-static-x86_64: Process 7241 attached [pid 3486] lstat("./300/cgroup", [pid 3484] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] set_robust_list(0x7fa7c8c309e0, 24) = 0 [pid 7241] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3487] <... unlink resumed>) = 0 [pid 7240] <... clone resumed>, parent_tid=[569], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 569 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./300/cgroup" [pid 3484] lstat("./294/binderfs", [pid 7241] <... futex resumed>) = 0 [pid 7240] <... futex resumed>) = 1 [pid 7241] ioctl(-1, LOOP_CTL_ADD, 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7241] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7240] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] lstat("./303/cgroup", [pid 3486] <... unlink resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3484] unlink("./294/binderfs" [pid 7241] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 7241] <... futex resumed>) = 1 [pid 7240] <... futex resumed>) = 0 [pid 3487] unlink("./303/cgroup" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... restart_syscall resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7241] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7240] close(3 [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./300/cgroup.net", [pid 3484] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7240] close(4 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./300/cgroup.net" [pid 3485] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./294/cgroup", [pid 3483] <... openat resumed>) = 3 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./303/cgroup.net", [pid 3486] <... unlink 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] fstat(3, [pid 7240] close(5 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] unlink("./294/cgroup" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./303/cgroup.net" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... openat resumed>) = 3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 7240] close(6 [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./300/cgroup.cpu", [pid 3485] fstat(3, [pid 3484] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7240] close(7 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./300/cgroup.cpu" [pid 3485] getdents64(3, [pid 3484] lstat("./294/cgroup.net", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./303/cgroup.cpu", [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./289/binderfs", [pid 7240] close(8 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./294/cgroup.net" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./303/cgroup.cpu" [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./289/binderfs" [pid 7240] close(9 [pid 3487] <... unlink resumed>) = 0 [pid 3486] close(3 [pid 3485] lstat("./295/binderfs", [pid 3484] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 7240] <... 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=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7240] close(10 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] rmdir("./300" [pid 3485] unlink("./295/binderfs" [pid 3484] lstat("./294/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./289/cgroup", [pid 7240] close(11 [pid 3487] <... close resumed>) = 0 [pid 3484] unlink("./294/cgroup.cpu" [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./303" [pid 3486] mkdir("./301", 0777 [pid 3485] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7240] close(12 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./289/cgroup" [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./304", 0777 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./295/cgroup", [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7242 attached [pid 7240] close(13 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7242] set_robust_list(0x5555562645e0, 24 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 604 [pid 3485] unlink("./295/cgroup" [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7243 attached [pid 7242] <... set_robust_list resumed>) = 0 [pid 7240] close(14 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./289/cgroup.net", [pid 7243] set_robust_list(0x5555562645e0, 24 [pid 7242] chdir("./301" [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 610 [pid 3485] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] rmdir("./294" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7243] <... set_robust_list resumed>) = 0 [pid 7242] <... chdir resumed>) = 0 [pid 7240] close(15 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./289/cgroup.net" [pid 7243] chdir("./304" [pid 7242] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./295/cgroup.net", [pid 3484] mkdir("./295", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 7243] <... chdir resumed>) = 0 [pid 7242] <... prctl resumed>) = 0 [pid 7240] close(16 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7243] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7242] setpgid(0, 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./295/cgroup.net" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7243] <... prctl resumed>) = 0 [pid 7242] <... setpgid resumed>) = 0 [pid 7240] close(17 [pid 3485] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7244 attached [pid 7243] setpgid(0, 0 [pid 7242] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./289/cgroup.cpu", [pid 7244] set_robust_list(0x5555562645e0, 24 [pid 7243] <... setpgid resumed>) = 0 [pid 7240] close(18 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7242] <... symlink resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 592 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7244] <... set_robust_list resumed>) = 0 [pid 7243] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./295/cgroup.cpu", [pid 3483] unlink("./289/cgroup.cpu" [pid 7244] chdir("./295" [pid 7243] <... symlink resumed>) = 0 [pid 7242] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7240] close(19 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7244] <... chdir resumed>) = 0 [pid 7243] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7242] <... symlink resumed>) = 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./295/cgroup.cpu" [pid 3483] getdents64(3, [pid 7244] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7243] <... symlink resumed>) = 0 [pid 7242] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7240] close(20 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7244] <... prctl resumed>) = 0 [pid 7243] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3483] close(3 [pid 7244] setpgid(0, 0 [pid 7243] <... symlink resumed>) = 0 [pid 7242] <... symlink resumed>) = 0 [pid 7240] close(21 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... close resumed>) = 0 [pid 7244] <... setpgid resumed>) = 0 [pid 7243] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7242] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3483] rmdir("./289" [pid 7244] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7243] <... openat resumed>) = 3 [pid 7242] <... openat resumed>) = 3 [pid 7240] close(22 [pid 3485] <... close resumed>) = 0 [pid 3483] <... rmdir resumed>) = 0 [pid 7242] write(3, "1000", 4 [pid 7244] <... symlink resumed>) = 0 [pid 7243] write(3, "1000", 4 [pid 7242] <... write resumed>) = 4 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./295" [pid 3483] mkdir("./290", 0777 [pid 7244] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7243] <... write resumed>) = 4 [pid 7242] close(3 [pid 7240] close(23 [pid 7244] <... symlink resumed>) = 0 [pid 7243] close(3 [pid 7242] <... close resumed>) = 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7244] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7243] <... close resumed>) = 0 [pid 7242] read(200, [pid 7240] close(24 [pid 3485] mkdir("./296", 0777 [pid 7242] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7244] <... symlink resumed>) = 0 [pid 7243] read(200, [pid 7242] symlink("/dev/binderfs", "./binderfs" [pid 7243] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] <... symlink resumed>) = 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7245 attached [pid 7244] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7243] symlink("/dev/binderfs", "./binderfs" [pid 7242] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] <... openat resumed>) = 3 [pid 7242] <... futex resumed>) = 0 [pid 7240] close(25 [pid 7245] set_robust_list(0x5555562645e0, 24 [pid 7244] write(3, "1000", 4 [pid 7243] <... symlink resumed>) = 0 [pid 7242] 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] <... clone resumed>, child_tidptr=0x5555562645d0) = 582 [pid 7245] <... set_robust_list resumed>) = 0 [pid 7244] <... write resumed>) = 4 [pid 7243] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE./strace-static-x86_64: Process 7246 attached [pid 7244] close(3 [pid 7243] <... futex resumed>) = 0 [pid 7242] <... mprotect resumed>) = 0 [pid 7240] close(26 [pid 7246] set_robust_list(0x5555562645e0, 24 [pid 7245] chdir("./290" [pid 7244] <... close resumed>) = 0 [pid 7243] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7242] 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 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 594 ./strace-static-x86_64: Process 7247 attached [pid 7246] <... set_robust_list resumed>) = 0 [pid 7245] <... chdir resumed>) = 0 [pid 7244] read(200, [pid 7243] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7240] close(27 [pid 7247] set_robust_list(0x7fa7c8c309e0, 24 [pid 7246] chdir("./296" [pid 7245] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7244] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7243] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... clone resumed>, parent_tid=[605], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 605 [pid 7247] <... set_robust_list resumed>) = 0 [pid 7246] <... chdir resumed>) = 0 [pid 7245] <... prctl resumed>) = 0 [pid 7244] symlink("/dev/binderfs", "./binderfs" [pid 7243] <... mprotect resumed>) = 0 [pid 7242] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] close(28 [pid 7247] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7246] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7245] setpgid(0, 0 [pid 7244] <... symlink resumed>) = 0 [pid 7243] 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 7242] <... futex resumed>) = 0 [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7247] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... prctl resumed>) = 0 [pid 7245] <... setpgid resumed>) = 0 [pid 7244] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7240] close(29./strace-static-x86_64: Process 7248 attached [pid 7247] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] setpgid(0, 0 [pid 7245] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7244] <... futex resumed>) = 0 [pid 7243] <... clone resumed>, parent_tid=[611], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 611 [pid 7242] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7240] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7248] set_robust_list(0x7fa7c8c309e0, 24 [pid 7247] <... futex resumed>) = 0 [pid 7246] <... setpgid resumed>) = 0 [pid 7245] <... symlink resumed>) = 0 [pid 7244] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7243] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7240] exit_group(0 [pid 7248] <... set_robust_list resumed>) = 0 [pid 7247] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7245] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7244] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7243] <... futex resumed>) = 0 [pid 7242] close(3 [pid 7241] <... futex resumed>) = ? [pid 7240] <... exit_group resumed>) = ? [pid 7248] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7246] <... symlink resumed>) = 0 [pid 7245] <... symlink resumed>) = 0 [pid 7244] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7243] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7248] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7245] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7244] <... mprotect resumed>) = 0 [pid 7242] close(4 [pid 7241] +++ exited with 0 +++ [pid 7240] +++ exited with 0 +++ [pid 7248] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] <... symlink resumed>) = 0 [pid 7245] <... symlink resumed>) = 0 [pid 7244] 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 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=568, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- ./strace-static-x86_64: Process 7249 attached [pid 7248] <... futex resumed>) = 1 [pid 7246] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7245] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7243] <... futex resumed>) = 0 [pid 7242] close(5 [pid 7249] set_robust_list(0x7fa7c8c309e0, 24 [pid 7248] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] <... symlink resumed>) = 0 [pid 7245] <... openat resumed>) = 3 [pid 7244] <... clone resumed>, parent_tid=[593], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 593 [pid 7243] close(3 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7249] <... set_robust_list resumed>) = 0 [pid 7246] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7245] write(3, "1000", 4 [pid 7244] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(6 [pid 7249] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7246] <... openat resumed>) = 3 [pid 7245] <... write resumed>) = 4 [pid 7244] <... futex resumed>) = 0 [pid 7243] close(4 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7249] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] write(3, "1000", 4 [pid 7245] close(3 [pid 7244] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(7 [pid 7249] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] <... write resumed>) = 4 [pid 7245] <... close resumed>) = 0 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7249] <... futex resumed>) = 0 [pid 7246] close(3 [pid 7245] read(200, [pid 7244] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7243] close(5 [pid 7242] close(8 [pid 7249] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] <... close resumed>) = 0 [pid 7245] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7244] close(3 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./283", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] read(200, [pid 7245] symlink("/dev/binderfs", "./binderfs" [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(6 [pid 7242] close(9 [pid 7246] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] symlink("/dev/binderfs", "./binderfs" [pid 7242] close(10 [pid 7246] <... symlink resumed>) = 0 [pid 7245] <... symlink resumed>) = 0 [pid 7244] close(4 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] openat(AT_FDCWD, "./283", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7246] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7242] close(11 [pid 7246] <... futex resumed>) = 0 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7242] close(12 [pid 7246] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7242] close(13 [pid 7246] <... mprotect resumed>) = 0 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] 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 7242] close(14./strace-static-x86_64: Process 7250 attached ) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... clone resumed>, parent_tid=[595], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 595 [pid 7243] close(7 [pid 7242] close(15 [pid 3482] <... openat resumed>) = 3 [pid 7250] set_robust_list(0x7fa7c8c309e0, 24 [pid 7246] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] close(5 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7250] <... set_robust_list resumed>) = 0 [pid 7246] <... futex resumed>) = 0 [pid 7245] <... futex resumed>) = 0 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(16 [pid 3482] fstat(3, [pid 7250] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7246] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7245] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7244] close(6 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(8 [pid 7250] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(17 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7250] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7245] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7244] close(7 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7250] <... futex resumed>) = 1 [pid 7246] <... futex resumed>) = 0 [pid 7245] <... mprotect resumed>) = 0 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(18 [pid 7246] close(3 [pid 7245] 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 7244] close(8 [pid 7243] close(9 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 ./strace-static-x86_64: Process 7251 attached [pid 7250] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(19 [pid 3482] umount2("./283/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7251] set_robust_list(0x7fa7c8c309e0, 24 [pid 7246] close(4 [pid 7245] <... clone resumed>, parent_tid=[583], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 583 [pid 7244] close(9 [pid 7243] close(10 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7251] <... set_robust_list resumed>) = 0 [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(20 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7251] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7246] close(5 [pid 7244] close(10 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7251] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(21 [pid 7251] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7246] close(6 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7251] <... futex resumed>) = 0 [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... futex resumed>) = 0 [pid 7243] close(11 [pid 7242] close(22 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./283/binderfs", [pid 7251] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7246] close(7 [pid 7245] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7244] close(11 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(23 [pid 7245] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7246] close(8 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(12 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] close(3 [pid 7244] close(12 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(24 [pid 3482] unlink("./283/binderfs" [pid 7246] close(9 [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(13 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(25 [pid 7246] close(10 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(13 [pid 7242] close(26 [pid 7245] close(4 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7246] close(11 [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(14 [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./283/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] close(27 [pid 7244] close(14 [pid 7246] close(12 [pid 7245] close(5 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(15 [pid 7243] close(15 [pid 7242] close(28 [pid 3482] lstat("./283/cgroup", [pid 7246] close(13 [pid 7245] close(6 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(16 [pid 7243] close(16 [pid 7242] close(29 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7246] close(14 [pid 7245] close(7 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(17 [pid 7243] close(17 [pid 7242] exit_group(0 [pid 3482] unlink("./283/cgroup" [pid 7247] <... futex resumed>) = ? [pid 7246] close(15 [pid 7245] close(8 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7242] <... exit_group resumed>) = ? [pid 7247] +++ exited with 0 +++ [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(18 [pid 7243] close(18 [pid 7242] +++ exited with 0 +++ [pid 3482] <... unlink resumed>) = 0 [pid 7246] close(16 [pid 7245] close(9 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./283/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(19 [pid 7243] close(19 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] close(17 [pid 7245] close(10 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3482] lstat("./283/cgroup.net", [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(20 [pid 7243] close(20 [pid 3486] <... restart_syscall resumed>) = 0 [pid 7246] close(18 [pid 7245] close(11 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7246] close(19 [pid 7245] close(12 [pid 7243] close(21 [pid 3486] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./283/cgroup.net" [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(21 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] close(20 [pid 7245] close(13 [pid 3486] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(22 [pid 3486] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 7246] close(21 [pid 7245] close(14 [pid 7244] close(22 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3482] umount2("./283/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] close(23 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7246] close(22 [pid 7245] close(15 [pid 3486] getdents64(3, [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(23 [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7246] close(23 [pid 7245] close(16 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(24 [pid 7243] close(24 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./283/cgroup.cpu", [pid 7246] close(24 [pid 7245] close(17 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./301/binderfs", [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(25 [pid 7243] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7246] close(25 [pid 7245] close(18 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./301/binderfs" [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] close(26 [pid 7243] close(26 [pid 3482] unlink("./283/cgroup.cpu" [pid 7246] close(26 [pid 7245] close(19 [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7246] close(27 [pid 7245] close(20 [pid 7244] close(27 [pid 7243] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./301/cgroup", [pid 7246] close(28 [pid 7245] close(21 [pid 7244] close(28 [pid 7243] close(28 [pid 3482] getdents64(3, [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7246] close(29 [pid 7245] close(22 [pid 7244] close(29 [pid 7243] close(29 [pid 3486] unlink("./301/cgroup" [pid 7246] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7243] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] close(3 [pid 7246] exit_group(0 [pid 7245] close(23 [pid 7244] exit_group(0 [pid 7243] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 7250] <... futex resumed>) = ? [pid 7249] <... futex resumed>) = ? [pid 7248] <... futex resumed>) = ? [pid 7246] <... exit_group resumed>) = ? [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7244] <... exit_group resumed>) = ? [pid 7243] <... exit_group resumed>) = ? [pid 3486] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./283" [pid 7250] +++ exited with 0 +++ [pid 7249] +++ exited with 0 +++ [pid 7248] +++ exited with 0 +++ [pid 7246] +++ exited with 0 +++ [pid 7245] close(24 [pid 7244] +++ exited with 0 +++ [pid 7243] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3486] lstat("./301/cgroup.net", [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] <... rmdir resumed>) = 0 [pid 7245] close(25 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] mkdir("./284", 0777 [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./301/cgroup.net" [pid 7245] close(26 [pid 3486] <... unlink resumed>) = 0 [pid 3485] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... mkdir resumed>) = 0 [pid 7245] close(27 [pid 3487] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./301/cgroup.cpu", [pid 3485] <... openat resumed>) = 3 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7245] close(28 [pid 3487] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] fstat(3, [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] unlink("./301/cgroup.cpu" [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7252 attached [pid 7245] close(29 [pid 3487] fstat(3, [pid 3486] <... unlink resumed>) = 0 [pid 3485] getdents64(3, [pid 7245] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] getdents64(3, [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7245] exit_group(0 [pid 3487] getdents64(3, [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7252] set_robust_list(0x5555562645e0, 24 [pid 7251] <... futex resumed>) = ? [pid 7245] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 570 [pid 7252] <... set_robust_list resumed>) = 0 [pid 7251] +++ exited with 0 +++ [pid 3487] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 3485] lstat("./296/binderfs", [pid 3484] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7252] chdir("./284" [pid 7245] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] rmdir("./301" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7252] <... chdir resumed>) = 0 [pid 3487] lstat("./304/binderfs", [pid 3484] <... openat resumed>) = 3 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7252] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3484] fstat(3, [pid 7252] <... prctl resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] unlink("./296/binderfs" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7252] setpgid(0, 0 [pid 3487] unlink("./304/binderfs" [pid 3484] getdents64(3, [pid 3483] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7252] <... setpgid resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7252] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3487] <... unlink resumed>) = 0 [pid 3484] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7252] <... symlink resumed>) = 0 [pid 3487] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... openat resumed>) = 3 [pid 3486] mkdir("./302", 0777 [pid 7252] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./295/binderfs", [pid 3483] fstat(3, [pid 7252] <... symlink resumed>) = 0 [pid 3487] lstat("./304/cgroup", [pid 3486] <... mkdir resumed>) = 0 [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 3485] lstat("./296/cgroup", [pid 7252] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./295/binderfs" [pid 3483] getdents64(3, [pid 7252] <... symlink resumed>) = 0 [pid 3487] unlink("./304/cgroup" [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=23, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7252] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3484] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7252] <... openat resumed>) = 3 [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./296/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7252] write(3, "1000", 4 [pid 3484] lstat("./295/cgroup", [pid 3483] lstat("./290/binderfs", [pid 7252] <... write resumed>) = 4 [pid 3487] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [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 ./strace-static-x86_64: Process 7253 attached [pid 7252] close(3 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./295/cgroup" [pid 3483] unlink("./290/binderfs" [pid 7253] set_robust_list(0x5555562645e0, 24 [pid 7252] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7253] <... set_robust_list resumed>) = 0 [pid 7252] read(200, [pid 3487] lstat("./304/cgroup.net", [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 606 [pid 3485] lstat("./296/cgroup.net", [pid 3484] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7253] chdir("./302" [pid 7252] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7253] <... chdir resumed>) = 0 [pid 7252] symlink("/dev/binderfs", "./binderfs" [pid 3487] unlink("./304/cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./295/cgroup.net", [pid 3483] lstat("./290/cgroup", [pid 7253] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7252] <... symlink resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./296/cgroup.net" [pid 7253] <... prctl resumed>) = 0 [pid 7252] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [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 7253] setpgid(0, 0 [pid 7252] <... futex resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./295/cgroup.net" [pid 3483] unlink("./290/cgroup" [pid 7253] <... setpgid resumed>) = 0 [pid 7252] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] lstat("./304/cgroup.cpu", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 7253] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7252] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./296/cgroup.cpu", [pid 3484] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 7253] <... symlink resumed>) = 0 [pid 7252] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7253] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7252] <... mprotect resumed>) = 0 [pid 3484] lstat("./295/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7253] <... symlink resumed>) = 0 [pid 7252] 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=19, ...}) = 0 [pid 3483] lstat("./290/cgroup.net", ./strace-static-x86_64: Process 7254 attached [pid 7253] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3484] unlink("./295/cgroup.cpu" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7254] set_robust_list(0x7fa7c8c309e0, 24 [pid 7253] <... symlink resumed>) = 0 [pid 7252] <... clone resumed>, parent_tid=[571], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 571 [pid 3487] unlink("./304/cgroup.cpu" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] unlink("./290/cgroup.net" [pid 7254] <... set_robust_list resumed>) = 0 [pid 7253] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7252] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3485] unlink("./296/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 7254] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7253] <... openat resumed>) = 3 [pid 7252] <... futex resumed>) = 0 [pid 3487] getdents64(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7254] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] write(3, "1000", 4 [pid 7252] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... unlink resumed>) = 0 [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7254] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... write resumed>) = 4 [pid 7252] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] getdents64(3, [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./290/cgroup.cpu", [pid 7254] <... futex resumed>) = 0 [pid 7253] close(3 [pid 7252] close(3 [pid 3487] close(3 [pid 3484] rmdir("./295" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7254] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7253] <... close resumed>) = 0 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./290/cgroup.cpu" [pid 7253] read(200, [pid 7252] close(4 [pid 3487] rmdir("./304" [pid 3485] close(3 [pid 3484] mkdir("./296", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 7253] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 7253] symlink("/dev/binderfs", "./binderfs" [pid 7252] close(5 [pid 3487] mkdir("./305", 0777 [pid 3485] rmdir("./296" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7255 attached [pid 7253] <... symlink resumed>) = 0 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7255] set_robust_list(0x5555562645e0, 24 [pid 7253] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] close(6 [pid 3487] <... mkdir resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 594 [pid 3483] <... close resumed>) = 0 [pid 7255] <... set_robust_list resumed>) = 0 [pid 7253] <... futex resumed>) = 0 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... rmdir resumed>) = 0 [pid 3483] rmdir("./290"./strace-static-x86_64: Process 7256 attached [pid 7255] chdir("./296" [pid 7253] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7252] close(7 [pid 3485] mkdir("./297", 0777 [pid 3483] <... rmdir resumed>) = 0 [pid 7256] set_robust_list(0x5555562645e0, 24 [pid 7255] <... chdir resumed>) = 0 [pid 7253] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 612 [pid 3483] mkdir("./291", 0777 [pid 7256] <... set_robust_list resumed>) = 0 [pid 7255] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7253] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7252] close(8 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7256] chdir("./305" [pid 7255] <... prctl resumed>) = 0 [pid 7253] <... mprotect resumed>) = 0 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7258 attached ./strace-static-x86_64: Process 7257 attached [pid 7256] <... chdir resumed>) = 0 [pid 7255] setpgid(0, 0 [pid 7253] 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 7252] close(9./strace-static-x86_64: Process 7259 attached [pid 7257] set_robust_list(0x5555562645e0, 24 [pid 7256] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7255] <... setpgid resumed>) = 0 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 584 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 596 [pid 7259] set_robust_list(0x7fa7c8c309e0, 24 [pid 7258] set_robust_list(0x5555562645e0, 24 [pid 7257] <... set_robust_list resumed>) = 0 [pid 7256] <... prctl resumed>) = 0 [pid 7255] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7253] <... clone resumed>, parent_tid=[607], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 607 [pid 7252] close(10 [pid 7259] <... set_robust_list resumed>) = 0 [pid 7258] <... set_robust_list resumed>) = 0 [pid 7257] chdir("./291" [pid 7256] setpgid(0, 0 [pid 7255] <... symlink resumed>) = 0 [pid 7253] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7259] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7258] chdir("./297" [pid 7257] <... chdir resumed>) = 0 [pid 7256] <... setpgid resumed>) = 0 [pid 7255] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7253] <... futex resumed>) = 0 [pid 7252] close(11 [pid 7259] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... chdir resumed>) = 0 [pid 7257] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7256] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7255] <... symlink resumed>) = 0 [pid 7253] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7259] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7257] <... prctl resumed>) = 0 [pid 7256] <... symlink resumed>) = 0 [pid 7255] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7253] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7252] close(12 [pid 7259] <... futex resumed>) = 0 [pid 7258] <... prctl resumed>) = 0 [pid 7257] setpgid(0, 0 [pid 7256] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7255] <... symlink resumed>) = 0 [pid 7253] close(3 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7259] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] setpgid(0, 0 [pid 7257] <... setpgid resumed>) = 0 [pid 7256] <... symlink resumed>) = 0 [pid 7255] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(13 [pid 7258] <... setpgid resumed>) = 0 [pid 7257] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7256] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7255] <... openat resumed>) = 3 [pid 7253] close(4 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7257] <... symlink resumed>) = 0 [pid 7256] <... symlink resumed>) = 0 [pid 7255] write(3, "1000", 4 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(14 [pid 7257] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7256] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7255] <... write resumed>) = 4 [pid 7253] close(5 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... symlink resumed>) = 0 [pid 7257] <... symlink resumed>) = 0 [pid 7256] <... openat resumed>) = 3 [pid 7255] close(3 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(15 [pid 7258] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7257] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7256] write(3, "1000", 4 [pid 7255] <... close resumed>) = 0 [pid 7253] close(6 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... symlink resumed>) = 0 [pid 7257] <... symlink resumed>) = 0 [pid 7256] <... write resumed>) = 4 [pid 7255] read(200, [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(16 [pid 7258] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7257] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7256] close(3 [pid 7255] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7253] close(7 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... symlink resumed>) = 0 [pid 7257] <... openat resumed>) = 3 [pid 7256] <... close resumed>) = 0 [pid 7255] symlink("/dev/binderfs", "./binderfs" [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(17 [pid 7258] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7257] write(3, "1000", 4 [pid 7256] read(200, [pid 7255] <... symlink resumed>) = 0 [pid 7253] close(8 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... openat resumed>) = 3 [pid 7257] <... write resumed>) = 4 [pid 7256] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7255] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(18 [pid 7258] write(3, "1000", 4 [pid 7257] close(3 [pid 7256] symlink("/dev/binderfs", "./binderfs" [pid 7255] <... futex resumed>) = 0 [pid 7253] close(9 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... write resumed>) = 4 [pid 7257] <... close resumed>) = 0 [pid 7256] <... symlink resumed>) = 0 [pid 7255] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(19 [pid 7258] close(3 [pid 7257] read(200, [pid 7256] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7255] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7253] close(10 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... close resumed>) = 0 [pid 7257] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7256] <... futex resumed>) = 0 [pid 7255] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(20 [pid 7258] read(200, [pid 7257] symlink("/dev/binderfs", "./binderfs" [pid 7256] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7255] <... mprotect resumed>) = 0 [pid 7253] close(11 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7257] <... symlink resumed>) = 0 [pid 7256] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7255] 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 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(21./strace-static-x86_64: Process 7260 attached [pid 7258] symlink("/dev/binderfs", "./binderfs" [pid 7257] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7253] close(12 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... futex resumed>) = 0 [pid 7256] <... mprotect resumed>) = 0 [pid 7255] <... clone resumed>, parent_tid=[595], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 595 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(22 [pid 7257] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7256] 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 7255] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] close(13 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7261 attached [pid 7257] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7255] <... futex resumed>) = 0 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(23 [pid 7261] set_robust_list(0x7fa7c8c309e0, 24 [pid 7260] set_robust_list(0x7fa7c8c309e0, 24 [pid 7258] <... symlink resumed>) = 0 [pid 7257] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7256] <... clone resumed>, parent_tid=[613], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 613 [pid 7255] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] close(14 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7261] <... set_robust_list resumed>) = 0 [pid 7260] <... set_robust_list resumed>) = 0 [pid 7258] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] <... mprotect resumed>) = 0 [pid 7256] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(24 [pid 7261] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7260] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7258] <... futex resumed>) = 0 [pid 7257] 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 7256] <... futex resumed>) = 0 [pid 7253] close(15 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7262 attached [pid 7261] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7260] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7256] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(25 [pid 7262] set_robust_list(0x7fa7c8c309e0, 24 [pid 7261] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7260] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7257] <... clone resumed>, parent_tid=[585], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 585 [pid 7256] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7253] close(16 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7262] <... set_robust_list resumed>) = 0 [pid 7261] <... futex resumed>) = 0 [pid 7257] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] close(3 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(26 [pid 7258] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7262] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7261] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7260] <... futex resumed>) = 1 [pid 7257] <... futex resumed>) = 0 [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] <... futex resumed>) = 0 [pid 7253] close(17 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7262] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7260] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] <... mprotect resumed>) = 0 [pid 7257] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7256] close(4 [pid 7255] close(3 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(27 [pid 7262] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7258] 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 7257] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7263 attached [pid 7262] <... futex resumed>) = 0 [pid 7257] close(3 [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] close(18 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7263] set_robust_list(0x7fa7c8c309e0, 24 [pid 7262] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] <... clone resumed>, parent_tid=[597], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 597 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] close(5 [pid 7255] close(4 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] close(28 [pid 7263] <... set_robust_list resumed>) = 0 [pid 7258] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7257] close(4 [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] close(19 [pid 7263] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7258] <... futex resumed>) = 0 [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7263] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7256] close(6 [pid 7255] close(5 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] close(5 [pid 7252] close(29 [pid 7263] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] close(20 [pid 7263] <... futex resumed>) = 1 [pid 7258] <... futex resumed>) = 0 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] close(7 [pid 7255] close(6 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7252] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7263] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7258] close(3 [pid 7257] close(6 [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] close(21 [pid 7252] exit_group(0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] close(4 [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] close(8 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(7 [pid 7254] <... futex resumed>) = ? [pid 7253] close(22 [pid 7252] <... exit_group resumed>) = ? [pid 7258] close(5 [pid 7254] +++ exited with 0 +++ [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] close(6) = -1 EBADF (Bad file descriptor) [pid 7258] close(7 [pid 7257] close(7 [pid 7256] close(9 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(8 [pid 7253] close(23 [pid 7252] +++ exited with 0 +++ [pid 7258] close(8 [pid 7257] close(8 [pid 7256] close(10 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(9 [pid 7253] close(24 [pid 7258] close(9 [pid 7257] close(9 [pid 7256] close(11 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=570, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(10 [pid 7253] close(25 [pid 7258] close(10 [pid 7257] close(10 [pid 7256] close(12 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./284", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] close(11 [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(11 [pid 7253] close(26 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] close(11 [pid 7256] close(13 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7258] close(12 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(12 [pid 7253] close(27 [pid 3482] openat(AT_FDCWD, "./284", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] close(12 [pid 7256] close(14 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7258] close(13 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(13 [pid 7253] close(28 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] close(13 [pid 7256] close(15 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] fstat(3, [pid 7258] close(14 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(14 [pid 7253] close(29 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] close(14 [pid 7256] close(16 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7258] close(15 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(15 [pid 7253] exit_group(0 [pid 3482] getdents64(3, [pid 7259] <... futex resumed>) = ? [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] close(15 [pid 7256] close(17 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7253] <... exit_group resumed>) = ? [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7258] close(16) = -1 EBADF (Bad file descriptor) [pid 7259] +++ exited with 0 +++ [pid 7258] close(17) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(16 [pid 7253] +++ exited with 0 +++ [pid 3482] umount2("./284/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7258] close(18 [pid 7257] close(16 [pid 7256] close(18 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(17 [pid 3482] lstat("./284/binderfs", [pid 7257] close(17 [pid 7256] close(19 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(18 [pid 3482] unlink("./284/binderfs" [pid 7258] close(19 [pid 7257] close(18 [pid 7256] close(20 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(19 [pid 3482] umount2("./284/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7258] close(20 [pid 7257] close(19 [pid 7256] close(21 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(20 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./284/cgroup", [pid 7258] close(21 [pid 7257] close(20 [pid 7256] close(22 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(21 [pid 3482] unlink("./284/cgroup" [pid 7258] close(22 [pid 7257] close(21 [pid 7256] close(23 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(22 [pid 3482] umount2("./284/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7258] close(23 [pid 7257] close(22 [pid 7256] close(24 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(23 [pid 3482] lstat("./284/cgroup.net", [pid 7258] close(24 [pid 7257] close(23 [pid 7256] close(25 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... 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 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(24 [pid 3482] unlink("./284/cgroup.net" [pid 7258] close(25 [pid 7257] close(24 [pid 7256] close(26 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(25 [pid 3482] umount2("./284/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7257] close(25 [pid 7256] close(27 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(26 [pid 3482] lstat("./284/cgroup.cpu", [pid 7257] close(26 [pid 7256] close(28 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(27 [pid 3482] unlink("./284/cgroup.cpu" [pid 7258] close(26 [pid 7257] close(27 [pid 7256] close(29 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... unlink resumed>) = 0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] close(28 [pid 3486] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] getdents64(3, [pid 7258] close(27 [pid 7257] close(28 [pid 7256] exit_group(0 [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7261] <... futex resumed>) = ? [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7256] <... exit_group resumed>) = ? [pid 7255] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] close(3 [pid 7261] +++ exited with 0 +++ [pid 7258] close(28 [pid 7257] close(29 [pid 7256] +++ exited with 0 +++ [pid 7255] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./302/binderfs", [pid 3482] <... close resumed>) = 0 [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7255] exit_group(0 [pid 3482] rmdir("./284" [pid 7260] <... futex resumed>) = ? [pid 7258] close(29 [pid 7257] exit_group(0 [pid 7255] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7262] <... futex resumed>) = ? [pid 7260] +++ exited with 0 +++ [pid 7258] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7257] <... exit_group resumed>) = ? [pid 7255] +++ exited with 0 +++ [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] unlink("./302/binderfs" [pid 3482] mkdir("./285", 0777 [pid 7262] +++ exited with 0 +++ [pid 7258] exit_group(0 [pid 7257] +++ exited with 0 +++ [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7263] <... futex resumed>) = ? [pid 7258] <... exit_group resumed>) = ? [pid 3487] <... restart_syscall resumed>) = 0 [pid 3486] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7264 attached [pid 7263] +++ exited with 0 +++ [pid 7258] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] set_robust_list(0x5555562645e0, 24 [pid 3486] lstat("./302/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 572 [pid 7264] <... set_robust_list resumed>) = 0 [pid 3487] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7264] chdir("./285" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./302/cgroup" [pid 3484] <... openat resumed>) = 3 [pid 7264] <... chdir resumed>) = 0 [pid 3487] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... unlink resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] fstat(3, [pid 7264] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3487] <... openat resumed>) = 3 [pid 3486] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] <... prctl resumed>) = 0 [pid 3487] fstat(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7264] setpgid(0, 0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] lstat("./302/cgroup.net", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7264] <... setpgid resumed>) = 0 [pid 3487] getdents64(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... openat resumed>) = 3 [pid 7264] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] unlink("./302/cgroup.net" [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] fstat(3, [pid 7264] <... symlink resumed>) = 0 [pid 3487] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] lstat("./296/binderfs", [pid 7264] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7264] <... symlink resumed>) = 0 [pid 3487] lstat("./305/binderfs", [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] getdents64(3, [pid 7264] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] lstat("./302/cgroup.cpu", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] unlink("./296/binderfs" [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7264] <... symlink resumed>) = 0 [pid 3487] unlink("./305/binderfs" [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] <... unlink resumed>) = 0 [pid 3486] unlink("./302/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] <... openat resumed>) = 3 [pid 3487] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... unlink resumed>) = 0 [pid 3485] lstat("./297/binderfs", [pid 3484] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7264] write(3, "1000", 4) = 4 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] getdents64(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./291/binderfs", [pid 7264] close(3 [pid 3487] lstat("./305/cgroup", [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] unlink("./297/binderfs" [pid 3484] lstat("./296/cgroup", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7264] <... close resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] unlink("./291/binderfs" [pid 7264] read(200, [pid 3487] unlink("./305/cgroup" [pid 3486] <... close resumed>) = 0 [pid 3485] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./296/cgroup" [pid 3483] <... unlink resumed>) = 0 [pid 7264] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... unlink resumed>) = 0 [pid 3486] rmdir("./302" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7264] symlink("/dev/binderfs", "./binderfs" [pid 3487] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... rmdir resumed>) = 0 [pid 3485] lstat("./297/cgroup", [pid 3484] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7264] <... symlink resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] mkdir("./303", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./291/cgroup", [pid 7264] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] lstat("./305/cgroup.net", [pid 3486] <... mkdir resumed>) = 0 [pid 3485] unlink("./297/cgroup" [pid 3484] lstat("./296/cgroup.net", [pid 7264] <... futex 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 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7264] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] unlink("./305/cgroup.net" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./291/cgroup" [pid 7264] <... mmap resumed>) = 0x7fa7c8c10000 ./strace-static-x86_64: Process 7265 attached [pid 7264] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./296/cgroup.net" [pid 3483] <... unlink resumed>) = 0 [pid 7265] set_robust_list(0x5555562645e0, 24 [pid 7264] <... mprotect resumed>) = 0 [pid 3487] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 608 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7265] <... set_robust_list resumed>) = 0 [pid 7264] 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 3485] lstat("./297/cgroup.net", [pid 3484] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7266 attached [pid 7265] chdir("./303" [pid 3487] lstat("./305/cgroup.cpu", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./291/cgroup.net", [pid 7266] set_robust_list(0x7fa7c8c309e0, 24 [pid 7265] <... chdir resumed>) = 0 [pid 7264] <... clone resumed>, parent_tid=[573], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 573 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./297/cgroup.net" [pid 3484] lstat("./296/cgroup.cpu", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7266] <... set_robust_list resumed>) = 0 [pid 7265] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7264] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] unlink("./305/cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./291/cgroup.net" [pid 7266] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7265] <... prctl resumed>) = 0 [pid 7264] <... futex resumed>) = 0 [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./296/cgroup.cpu" [pid 3483] <... unlink resumed>) = 0 [pid 7266] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] setpgid(0, 0 [pid 7264] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7266] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... setpgid resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] lstat("./297/cgroup.cpu", [pid 3484] getdents64(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7266] <... futex resumed>) = 1 [pid 7265] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7264] <... futex resumed>) = 0 [pid 3487] close(3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./291/cgroup.cpu", [pid 7266] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7265] <... symlink resumed>) = 0 [pid 7264] close(3 [pid 3487] <... close resumed>) = 0 [pid 3485] unlink("./297/cgroup.cpu" [pid 3484] close(3 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7265] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./305" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] unlink("./291/cgroup.cpu" [pid 7265] <... symlink resumed>) = 0 [pid 7264] close(4 [pid 3487] <... rmdir resumed>) = 0 [pid 3484] rmdir("./296" [pid 3483] <... unlink resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 7265] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7264] close(5 [pid 3485] getdents64(3, [pid 3483] getdents64(3, [pid 3487] mkdir("./306", 0777 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] mkdir("./297", 0777 [pid 7265] <... symlink resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] close(3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... close resumed>) = 0 [pid 7265] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7264] close(6 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] rmdir("./297" [pid 3484] <... mkdir resumed>) = 0 [pid 3483] close(3./strace-static-x86_64: Process 7267 attached [pid 7265] <... openat resumed>) = 3 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... close resumed>) = 0 ./strace-static-x86_64: Process 7268 attached [pid 7267] set_robust_list(0x5555562645e0, 24 [pid 7265] write(3, "1000", 4 [pid 7264] close(7 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 614 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] rmdir("./291" [pid 7268] set_robust_list(0x5555562645e0, 24 [pid 7267] <... set_robust_list resumed>) = 0 [pid 7265] <... write resumed>) = 4 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./298", 0777 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 596 [pid 3483] <... rmdir resumed>) = 0 [pid 7268] <... set_robust_list resumed>) = 0 [pid 7265] close(3 [pid 7264] close(8 [pid 3483] mkdir("./292", 0777 [pid 7267] chdir("./306" [pid 7265] <... close resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 7265] read(200, [pid 7264] close(9 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7269 attached [pid 7268] chdir("./297" [pid 7267] <... chdir resumed>) = 0 [pid 7265] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] set_robust_list(0x5555562645e0, 24 [pid 7268] <... chdir resumed>) = 0 [pid 7267] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7265] symlink("/dev/binderfs", "./binderfs" [pid 7264] close(10 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 586 [pid 7269] <... set_robust_list resumed>) = 0 [pid 7268] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7267] <... prctl resumed>) = 0 [pid 7265] <... symlink resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7270 attached [pid 7269] chdir("./292" [pid 7268] <... prctl resumed>) = 0 [pid 7267] setpgid(0, 0 [pid 7265] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] close(11 [pid 7270] set_robust_list(0x5555562645e0, 24 [pid 7269] <... chdir resumed>) = 0 [pid 7268] setpgid(0, 0 [pid 7267] <... setpgid resumed>) = 0 [pid 7265] <... futex resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 598 [pid 7270] <... set_robust_list resumed>) = 0 [pid 7269] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7268] <... setpgid resumed>) = 0 [pid 7265] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7264] close(12 [pid 7270] chdir("./298" [pid 7269] <... prctl resumed>) = 0 [pid 7267] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7265] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7268] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... chdir resumed>) = 0 [pid 7269] setpgid(0, 0 [pid 7265] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7264] close(13 [pid 7267] <... symlink resumed>) = 0 [pid 7270] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7269] <... setpgid resumed>) = 0 [pid 7268] <... symlink resumed>) = 0 [pid 7267] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7265] <... mprotect resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... prctl resumed>) = 0 [pid 7269] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7268] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7265] 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 7264] close(14./strace-static-x86_64: Process 7271 attached [pid 7270] setpgid(0, 0 [pid 7269] <... symlink resumed>) = 0 [pid 7267] <... symlink resumed>) = 0 [pid 7268] <... symlink resumed>) = 0 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7271] set_robust_list(0x7fa7c8c309e0, 24 [pid 7270] <... setpgid resumed>) = 0 [pid 7269] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7265] <... clone resumed>, parent_tid=[609], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 609 [pid 7264] close(15 [pid 7271] <... set_robust_list resumed>) = 0 [pid 7270] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7269] <... symlink resumed>) = 0 [pid 7268] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7267] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7265] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7271] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7270] <... symlink resumed>) = 0 [pid 7269] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7265] <... futex resumed>) = 0 [pid 7264] close(16 [pid 7271] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7269] <... symlink resumed>) = 0 [pid 7268] <... symlink resumed>) = 0 [pid 7267] <... symlink resumed>) = 0 [pid 7265] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7271] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] <... symlink resumed>) = 0 [pid 7269] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7268] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7267] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7265] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7264] close(17 [pid 7271] <... futex resumed>) = 0 [pid 7270] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7269] <... openat resumed>) = 3 [pid 7265] close(3 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7271] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... symlink resumed>) = 0 [pid 7269] write(3, "1000", 4 [pid 7268] <... openat resumed>) = 3 [pid 7267] <... openat resumed>) = 3 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(18 [pid 7270] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7269] <... write resumed>) = 4 [pid 7268] write(3, "1000", 4 [pid 7265] close(4 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] write(3, "1000", 4 [pid 7270] <... openat resumed>) = 3 [pid 7269] close(3 [pid 7268] <... write resumed>) = 4 [pid 7267] <... write resumed>) = 4 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(19 [pid 7270] write(3, "1000", 4 [pid 7269] <... close resumed>) = 0 [pid 7268] close(3 [pid 7267] close(3 [pid 7265] close(5 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... write resumed>) = 4 [pid 7269] read(200, [pid 7268] <... close resumed>) = 0 [pid 7267] <... close resumed>) = 0 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(20 [pid 7270] close(3 [pid 7269] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7268] read(200, [pid 7267] read(200, [pid 7265] close(6 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = 0 [pid 7269] symlink("/dev/binderfs", "./binderfs" [pid 7268] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(21 [pid 7270] read(200, [pid 7269] <... symlink resumed>) = 0 [pid 7268] symlink("/dev/binderfs", "./binderfs" [pid 7267] symlink("/dev/binderfs", "./binderfs" [pid 7265] close(7 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7269] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(22 [pid 7270] symlink("/dev/binderfs", "./binderfs" [pid 7269] <... futex resumed>) = 0 [pid 7268] <... symlink resumed>) = 0 [pid 7265] close(8 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... symlink resumed>) = 0 [pid 7269] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7267] <... symlink resumed>) = 0 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(23 [pid 7270] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7269] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7268] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] close(9 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... futex resumed>) = 0 [pid 7269] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7268] <... futex resumed>) = 0 [pid 7267] <... futex resumed>) = 0 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(24 [pid 7270] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7269] <... mprotect resumed>) = 0 [pid 7268] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7267] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7265] close(10 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7269] 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 7268] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7267] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(25./strace-static-x86_64: Process 7272 attached [pid 7270] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7265] close(11 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... mprotect resumed>) = 0 [pid 7269] <... clone resumed>, parent_tid=[587], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 587 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(26 [pid 7272] set_robust_list(0x7fa7c8c309e0, 24 [pid 7270] 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 7269] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7267] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7265] close(12 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7273 attached [pid 7272] <... set_robust_list resumed>) = 0 [pid 7269] <... futex resumed>) = 0 [pid 7268] <... mprotect resumed>) = 0 [pid 7267] <... mprotect resumed>) = 0 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(27 [pid 7273] set_robust_list(0x7fa7c8c309e0, 24 [pid 7272] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7270] <... clone resumed>, parent_tid=[599], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 599 [pid 7269] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7265] close(13 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7273] <... set_robust_list resumed>) = 0 [pid 7272] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7268] 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 7267] 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 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(28./strace-static-x86_64: Process 7274 attached ./strace-static-x86_64: Process 7275 attached [pid 7273] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7272] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] <... futex resumed>) = 0 [pid 7265] close(14 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7275] set_robust_list(0x7fa7c8c309e0, 24 [pid 7274] set_robust_list(0x7fa7c8c309e0, 24 [pid 7273] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7272] <... futex resumed>) = 1 [pid 7270] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7269] <... futex resumed>) = 0 [pid 7268] <... clone resumed>, parent_tid=[597], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 597 [pid 7267] <... clone resumed>, parent_tid=[615], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 615 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] close(29 [pid 7275] <... set_robust_list resumed>) = 0 [pid 7274] <... set_robust_list resumed>) = 0 [pid 7273] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7272] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7269] close(3 [pid 7268] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7267] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7265] close(15 [pid 7264] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7275] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7274] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7273] <... futex resumed>) = 0 [pid 7270] close(3 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] exit_group(0 [pid 7275] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7274] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7273] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] close(16 [pid 7264] <... exit_group resumed>) = ? [pid 7275] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7274] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7270] close(4 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7275] <... futex resumed>) = 0 [pid 7274] <... futex resumed>) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(4 [pid 7268] <... futex resumed>) = 0 [pid 7267] <... futex resumed>) = 0 [pid 7266] <... futex resumed>) = ? [pid 7265] close(17 [pid 7275] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7274] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7270] close(5 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7267] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7266] +++ exited with 0 +++ [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7264] +++ exited with 0 +++ [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(5 [pid 7268] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7267] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7265] close(18 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=572, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7270] close(6 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(3 [pid 7267] close(3 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(6 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] close(19 [pid 7270] close(7 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(4 [pid 7267] close(4 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(7 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] close(20 [pid 7270] close(8 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(5 [pid 7267] close(5 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(8 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] close(21 [pid 3482] umount2("./285", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] close(9 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(6 [pid 7267] close(6 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(9 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] close(22 [pid 3482] openat(AT_FDCWD, "./285", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7270] close(10 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(7 [pid 7267] close(7 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(10 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] close(23 [pid 3482] fstat(3, [pid 7270] close(11 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(8 [pid 7267] close(8 [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(11 [pid 7265] close(24 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7270] close(12 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(12 [pid 7268] close(9 [pid 7267] close(9 [pid 7265] close(25 [pid 7270] close(13 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(13 [pid 7268] close(10 [pid 7267] close(10 [pid 7265] close(26 [pid 3482] umount2("./285/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] close(14 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(14 [pid 7268] close(11 [pid 7267] close(11 [pid 7265] close(27 [pid 3482] lstat("./285/binderfs", [pid 7270] close(15 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(12 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7270] close(16 [pid 7267] close(12 [pid 7265] close(28 [pid 7269] close(15 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./285/binderfs" [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(16 [pid 7268] close(13 [pid 7270] close(17 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(13 [pid 7265] close(29 [pid 3482] <... unlink resumed>) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(17 [pid 7268] close(14 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./285/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] close(18 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(14 [pid 7265] exit_group(0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7271] <... futex resumed>) = ? [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(18 [pid 7268] close(15 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7265] <... exit_group resumed>) = ? [pid 3482] lstat("./285/cgroup", [pid 7271] +++ exited with 0 +++ [pid 7270] close(19 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(15 [pid 7265] +++ exited with 0 +++ [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(19 [pid 7268] close(16 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./285/cgroup" [pid 7270] close(20 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(16 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... unlink resumed>) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(20 [pid 7268] close(17 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] close(21 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(17 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(18 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(21 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(18 [pid 3486] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./285/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] close(22 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(19 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(22 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(19 [pid 3486] fstat(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7270] close(23 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(20 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(23 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(20 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] lstat("./285/cgroup.net", [pid 7270] close(24 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(21 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(24 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(21 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./285/cgroup.net" [pid 7270] close(25 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(22 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(25 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./285/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7270] close(26 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(23 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./303/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(26 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(23 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] lstat("./285/cgroup.cpu", [pid 7270] close(27 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(24 [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./303/binderfs" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(27 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] close(24 [pid 7270] close(28 [pid 7268] close(25 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3482] unlink("./285/cgroup.cpu" [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(28 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7270] close(29 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(26 [pid 7267] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 7270] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7269] close(29 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./303/cgroup", [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7270] exit_group(0 [pid 7269] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7268] close(27 [pid 7267] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] close(3 [pid 7273] <... futex resumed>) = ? [pid 7270] <... exit_group resumed>) = ? [pid 7269] exit_group(0 [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./303/cgroup" [pid 3482] <... close resumed>) = 0 [pid 7273] +++ exited with 0 +++ [pid 7270] +++ exited with 0 +++ [pid 7269] <... exit_group resumed>) = ? [pid 7268] close(28 [pid 7267] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 3482] rmdir("./285" [pid 7272] <... futex resumed>) = ? [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7268] close(29 [pid 7267] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... rmdir resumed>) = 0 [pid 7272] +++ exited with 0 +++ [pid 7269] +++ exited with 0 +++ [pid 7268] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./303/cgroup.net", [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3482] mkdir("./286", 0777 [pid 7268] exit_group(0 [pid 7267] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7275] <... futex resumed>) = ? [pid 7268] <... exit_group resumed>) = ? [pid 7267] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./303/cgroup.net" [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7275] +++ exited with 0 +++ [pid 7268] +++ exited with 0 +++ [pid 7267] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...>./strace-static-x86_64: Process 7276 attached [pid 7274] <... futex resumed>) = ? [pid 7267] <... exit_group resumed>) = ? [pid 3486] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 574 [pid 7276] set_robust_list(0x5555562645e0, 24 [pid 7274] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7276] <... set_robust_list resumed>) = 0 [pid 7267] +++ exited with 0 +++ [pid 3486] lstat("./303/cgroup.cpu", [pid 3485] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7276] chdir("./286" [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7276] <... chdir resumed>) = 0 [pid 3486] unlink("./303/cgroup.cpu" [pid 3485] fstat(3, [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7276] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7276] <... prctl resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] getdents64(3, [pid 3483] <... openat resumed>) = 3 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3487] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 3485] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] getdents64(3, [pid 7276] setpgid(0, 0 [pid 3487] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] rmdir("./303" [pid 3485] lstat("./298/binderfs", [pid 3484] <... openat resumed>) = 3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7276] <... setpgid resumed>) = 0 [pid 3487] <... openat resumed>) = 3 [pid 7276] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 3487] fstat(3, [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] fstat(3, [pid 3483] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] mkdir("./304", 0777 [pid 3485] unlink("./298/binderfs" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7276] <... symlink resumed>) = 0 [pid 3487] getdents64(3, [pid 3486] <... mkdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3483] lstat("./292/binderfs", [pid 7276] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7276] <... symlink resumed>) = 0 [pid 3487] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./292/binderfs"./strace-static-x86_64: Process 7277 attached [pid 7276] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 610 [pid 3485] lstat("./298/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] set_robust_list(0x5555562645e0, 24 [pid 3487] lstat("./306/binderfs", [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./297/binderfs", [pid 3483] <... unlink resumed>) = 0 [pid 7277] <... set_robust_list resumed>) = 0 [pid 7276] <... symlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] unlink("./298/cgroup" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7277] chdir("./304" [pid 7276] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] unlink("./306/binderfs" [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./297/binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] <... chdir resumed>) = 0 [pid 7276] <... openat resumed>) = 3 [pid 3487] <... unlink resumed>) = 0 [pid 7277] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7276] write(3, "1000", 4 [pid 7277] <... prctl resumed>) = 0 [pid 7276] <... write resumed>) = 4 [pid 7277] setpgid(0, 0 [pid 7276] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./292/cgroup", [pid 7277] <... setpgid resumed>) = 0 [pid 7276] <... close resumed>) = 0 [pid 3487] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7277] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7276] read(200, [pid 3484] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7277] <... symlink resumed>) = 0 [pid 7276] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./292/cgroup" [pid 7277] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7276] symlink("/dev/binderfs", "./binderfs" [pid 3487] lstat("./306/cgroup", [pid 3485] lstat("./298/cgroup.net", [pid 3484] lstat("./297/cgroup", [pid 7277] <... symlink resumed>) = 0 [pid 7276] <... symlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7277] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7276] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7277] <... symlink resumed>) = 0 [pid 7276] <... futex resumed>) = 0 [pid 3487] unlink("./306/cgroup" [pid 3485] unlink("./298/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7277] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7276] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7277] <... openat resumed>) = 3 [pid 7276] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./297/cgroup" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] write(3, "1000", 4 [pid 7276] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7277] <... write resumed>) = 4 [pid 7276] <... mprotect resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./292/cgroup.net", [pid 7277] close(3 [pid 7276] 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 3485] lstat("./298/cgroup.cpu", [pid 3484] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7278 attached [pid 7277] <... close resumed>) = 0 [pid 3487] lstat("./306/cgroup.net", [pid 3485] <... 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 7278] set_robust_list(0x7fa7c8c309e0, 24 [pid 7277] read(200, [pid 7276] <... clone resumed>, parent_tid=[575], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 575 [pid 3485] unlink("./298/cgroup.cpu" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7278] <... set_robust_list resumed>) = 0 [pid 7277] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./297/cgroup.net", [pid 3483] unlink("./292/cgroup.net" [pid 7278] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7277] symlink("/dev/binderfs", "./binderfs" [pid 7276] <... futex resumed>) = 0 [pid 3487] unlink("./306/cgroup.net" [pid 3485] getdents64(3, [pid 7278] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... symlink resumed>) = 0 [pid 7276] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7278] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... unlink resumed>) = 0 [pid 3485] close(3 [pid 7278] <... futex resumed>) = 0 [pid 7277] <... futex resumed>) = 0 [pid 7276] close(3 [pid 3487] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... close resumed>) = 0 [pid 3484] unlink("./297/cgroup.net" [pid 3483] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7278] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] rmdir("./298" [pid 7277] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7276] close(4 [pid 3487] lstat("./306/cgroup.cpu", [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7277] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./299", 0777 [pid 7277] <... mprotect resumed>) = 0 [pid 7276] close(5 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./292/cgroup.cpu", [pid 7277] 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 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./306/cgroup.cpu" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7280 attached ./strace-static-x86_64: Process 7279 attached [pid 7276] close(6 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7280] set_robust_list(0x5555562645e0, 24 [pid 7279] set_robust_list(0x7fa7c8c309e0, 24 [pid 7277] <... clone resumed>, parent_tid=[611], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 611 [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] lstat("./297/cgroup.cpu", [pid 3483] unlink("./292/cgroup.cpu" [pid 7280] <... set_robust_list resumed>) = 0 [pid 7279] <... set_robust_list resumed>) = 0 [pid 7277] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7276] close(7 [pid 3487] getdents64(3, [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 600 [pid 7280] chdir("./299" [pid 7279] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7277] <... futex resumed>) = 0 [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7280] <... chdir resumed>) = 0 [pid 7279] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7276] close(8 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./297/cgroup.cpu" [pid 3483] getdents64(3, [pid 7280] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7279] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 7280] <... prctl resumed>) = 0 [pid 7279] <... futex resumed>) = 0 [pid 7277] close(3 [pid 7276] close(9 [pid 7280] setpgid(0, 0 [pid 7279] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7280] <... setpgid resumed>) = 0 [pid 7277] close(4 [pid 7276] close(10 [pid 3487] rmdir("./306" [pid 3484] getdents64(3, [pid 7280] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7280] <... symlink resumed>) = 0 [pid 7277] close(5 [pid 7276] close(11 [pid 7280] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... close resumed>) = 0 [pid 7280] <... symlink resumed>) = 0 [pid 7277] close(6 [pid 7276] close(12 [pid 3487] mkdir("./307", 0777 [pid 7280] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] close(3 [pid 3483] rmdir("./292" [pid 7280] <... symlink resumed>) = 0 [pid 7277] close(7 [pid 7276] close(13 [pid 3487] <... mkdir resumed>) = 0 [pid 7280] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 7280] <... openat resumed>) = 3 [pid 7277] close(8 [pid 7276] close(14 [pid 3483] <... rmdir resumed>) = 0 [pid 7280] write(3, "1000", 4 [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] rmdir("./297" [pid 7280] <... write resumed>) = 4 [pid 7277] close(9 [pid 7276] close(15 [pid 3483] mkdir("./293", 0777 [pid 7280] close(3 [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = 0 [pid 7277] close(10 [pid 7276] close(16 [pid 7280] read(200, [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 7280] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] close(11 [pid 7276] close(17 [pid 7280] symlink("/dev/binderfs", "./binderfs" [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7281 attached [pid 7280] <... symlink resumed>) = 0 [pid 7277] close(12 [pid 7276] close(18 [pid 3484] mkdir("./298", 0777 [pid 3483] <... mkdir resumed>) = 0 [pid 7281] set_robust_list(0x5555562645e0, 24 [pid 7280] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... set_robust_list resumed>) = 0 [pid 7280] <... futex resumed>) = 0 [pid 7277] close(13 [pid 7276] close(19 [pid 7281] chdir("./307" [pid 7280] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... chdir resumed>) = 0 [pid 7280] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7277] close(14 [pid 7276] close(20 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 616 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7281] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7280] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... prctl resumed>) = 0 [pid 7280] <... mprotect resumed>) = 0 [pid 7277] close(15 [pid 7276] close(21 [pid 3484] <... mkdir resumed>) = 0 ./strace-static-x86_64: Process 7282 attached [pid 7281] setpgid(0, 0 [pid 7280] 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 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7283 attached [pid 7282] set_robust_list(0x5555562645e0, 24 [pid 7281] <... setpgid resumed>) = 0 [pid 7277] close(16 [pid 7276] close(22 [pid 7283] set_robust_list(0x7fa7c8c309e0, 24 [pid 7282] <... set_robust_list resumed>) = 0 [pid 7281] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7280] <... clone resumed>, parent_tid=[601], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 601 [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 588 [pid 7283] <... set_robust_list resumed>) = 0 [pid 7282] chdir("./293" [pid 7281] <... symlink resumed>) = 0 [pid 7280] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7277] close(17 [pid 7276] close(23./strace-static-x86_64: Process 7284 attached [pid 7283] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7282] <... chdir resumed>) = 0 [pid 7281] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7280] <... futex resumed>) = 0 [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] set_robust_list(0x5555562645e0, 24 [pid 7283] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7281] <... symlink resumed>) = 0 [pid 7280] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7277] close(18 [pid 7276] close(24 [pid 7284] <... set_robust_list resumed>) = 0 [pid 7283] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... prctl resumed>) = 0 [pid 7281] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7280] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 598 [pid 7284] chdir("./298" [pid 7283] <... futex resumed>) = 0 [pid 7282] setpgid(0, 0 [pid 7281] <... symlink resumed>) = 0 [pid 7280] close(3 [pid 7277] close(19 [pid 7276] close(25 [pid 7284] <... chdir resumed>) = 0 [pid 7283] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7282] <... setpgid resumed>) = 0 [pid 7281] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7282] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7281] <... openat resumed>) = 3 [pid 7280] close(4 [pid 7277] close(20 [pid 7276] close(26 [pid 7284] <... prctl resumed>) = 0 [pid 7282] <... symlink resumed>) = 0 [pid 7281] write(3, "1000", 4 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] setpgid(0, 0 [pid 7282] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7281] <... write resumed>) = 4 [pid 7280] close(5 [pid 7277] close(21 [pid 7276] close(27 [pid 7284] <... setpgid resumed>) = 0 [pid 7282] <... symlink resumed>) = 0 [pid 7281] close(3 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7282] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7281] <... close resumed>) = 0 [pid 7280] close(6 [pid 7277] close(22 [pid 7276] close(28 [pid 7284] <... symlink resumed>) = 0 [pid 7282] <... symlink resumed>) = 0 [pid 7281] read(200, [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7282] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7281] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] close(7 [pid 7277] close(23 [pid 7276] close(29 [pid 7284] <... symlink resumed>) = 0 [pid 7282] <... openat resumed>) = 3 [pid 7281] symlink("/dev/binderfs", "./binderfs" [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7282] write(3, "1000", 4 [pid 7281] <... symlink resumed>) = 0 [pid 7280] close(8 [pid 7277] close(24 [pid 7276] exit_group(0 [pid 7284] <... symlink resumed>) = 0 [pid 7282] <... write resumed>) = 4 [pid 7281] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7278] <... futex resumed>) = ? [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7276] <... exit_group resumed>) = ? [pid 7284] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7282] close(3 [pid 7281] <... futex resumed>) = 0 [pid 7280] close(9 [pid 7278] +++ exited with 0 +++ [pid 7277] close(25 [pid 7276] +++ exited with 0 +++ [pid 7284] <... openat resumed>) = 3 [pid 7282] <... close resumed>) = 0 [pid 7281] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] write(3, "1000", 4 [pid 7282] read(200, [pid 7281] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7280] close(10 [pid 7277] close(26 [pid 7284] <... write resumed>) = 4 [pid 7282] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7281] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] close(3 [pid 7282] symlink("/dev/binderfs", "./binderfs" [pid 7281] <... mprotect resumed>) = 0 [pid 7280] close(11 [pid 7277] close(27 [pid 7284] <... close resumed>) = 0 [pid 7282] <... symlink resumed>) = 0 [pid 7281] 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 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=574, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- ./strace-static-x86_64: Process 7285 attached [pid 7284] read(200, [pid 7282] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] close(12 [pid 7277] close(28 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7285] set_robust_list(0x7fa7c8c309e0, 24 [pid 7284] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] <... futex resumed>) = 0 [pid 7281] <... clone resumed>, parent_tid=[617], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 617 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7285] <... set_robust_list resumed>) = 0 [pid 7284] symlink("/dev/binderfs", "./binderfs" [pid 7282] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7281] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7280] close(13 [pid 7277] close(29 [pid 3482] <... restart_syscall resumed>) = 0 [pid 7285] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7284] <... symlink resumed>) = 0 [pid 7282] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7281] <... futex resumed>) = 0 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7277] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7285] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7281] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7280] close(14 [pid 7277] exit_group(0 [pid 7285] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... futex resumed>) = 0 [pid 7282] <... mprotect resumed>) = 0 [pid 7281] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7279] <... futex resumed>) = ? [pid 7277] <... exit_group resumed>) = ? [pid 7285] <... futex resumed>) = 0 [pid 7284] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7282] 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 7281] close(3 [pid 7280] close(15 [pid 7279] +++ exited with 0 +++ [pid 7277] +++ exited with 0 +++ ./strace-static-x86_64: Process 7286 attached [pid 7285] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./286", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7286] set_robust_list(0x7fa7c8c309e0, 24 [pid 7284] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7282] <... clone resumed>, parent_tid=[589], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 589 [pid 7281] close(4 [pid 7280] close(16 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7286] <... set_robust_list resumed>) = 0 [pid 7284] <... mprotect resumed>) = 0 [pid 7282] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 7286] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7284] 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 7282] <... futex resumed>) = 0 [pid 7281] close(5 [pid 7280] close(17 [pid 3486] <... restart_syscall resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./286", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7287 attached [pid 7286] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7287] set_robust_list(0x7fa7c8c309e0, 24 [pid 7286] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7284] <... clone resumed>, parent_tid=[599], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 599 [pid 7281] close(6 [pid 7280] close(18 [pid 3482] <... openat resumed>) = 3 [pid 7287] <... set_robust_list resumed>) = 0 [pid 7286] <... futex resumed>) = 1 [pid 7284] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] <... futex resumed>) = 0 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7287] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7284] <... futex resumed>) = 0 [pid 7281] close(7 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7287] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7284] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7287] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7286] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7282] close(3 [pid 7281] close(8 [pid 7280] close(19 [pid 3486] <... openat resumed>) = 3 [pid 3482] fstat(3, [pid 7287] <... futex resumed>) = 0 [pid 7284] close(3 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 7287] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(4 [pid 7281] close(9 [pid 7280] close(20 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7284] close(4 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(10 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] getdents64(3, [pid 7284] close(5 [pid 7282] close(5 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] close(21 [pid 3486] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(11 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7284] close(6 [pid 7282] close(6 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] close(22 [pid 3486] lstat("./304/binderfs", [pid 3482] umount2("./286/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(12 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7284] close(7 [pid 7282] close(7 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] close(23 [pid 3486] unlink("./304/binderfs" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(13 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7284] close(8 [pid 7282] close(8 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] close(24 [pid 3486] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./286/binderfs", [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(14 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7284] close(9 [pid 7282] close(9 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] close(25 [pid 3486] lstat("./304/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(15 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./286/binderfs" [pid 7284] close(10 [pid 7282] close(10 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] close(26 [pid 3486] unlink("./304/cgroup" [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(16 [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7284] close(11 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(11 [pid 7281] close(17 [pid 7280] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./286/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] close(12 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./304/cgroup.net", [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(12 [pid 7281] close(18 [pid 7280] close(28 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7284] close(13 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./304/cgroup.net" [pid 3482] lstat("./286/cgroup", [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(13 [pid 7281] close(19 [pid 7280] close(29 [pid 3486] <... unlink resumed>) = 0 [pid 7284] close(14 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(14 [pid 7281] close(20 [pid 7280] exit_group(0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7284] close(15 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./304/cgroup.cpu", [pid 3482] unlink("./286/cgroup" [pid 7283] <... futex resumed>) = ? [pid 7280] <... exit_group resumed>) = ? [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7283] +++ exited with 0 +++ [pid 7282] close(15 [pid 7281] close(21 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7284] close(16 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./304/cgroup.cpu" [pid 3482] <... unlink resumed>) = 0 [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] close(22 [pid 3486] <... unlink resumed>) = 0 [pid 7284] close(17 [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7280] +++ exited with 0 +++ [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3482] umount2("./286/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(16 [pid 7281] close(23 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7284] close(18 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(17 [pid 7281] close(24 [pid 3486] <... close resumed>) = 0 [pid 3485] <... restart_syscall resumed>) = 0 [pid 7284] close(19 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./304" [pid 3482] lstat("./286/cgroup.net", [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(18 [pid 7281] close(25 [pid 3486] <... rmdir resumed>) = 0 [pid 7284] close(20 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./305", 0777 [pid 3485] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(19 [pid 7281] close(26 [pid 3486] <... mkdir resumed>) = 0 [pid 3482] unlink("./286/cgroup.net" [pid 7284] close(21 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(20 [pid 7281] close(27 [pid 3482] umount2("./286/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7288 attached [pid 7284] close(22 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7288] set_robust_list(0x5555562645e0, 24 [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(21 [pid 7281] close(28 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 612 [pid 3485] <... openat resumed>) = 3 [pid 3482] lstat("./286/cgroup.cpu", [pid 7288] <... set_robust_list resumed>) = 0 [pid 7284] close(23 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] fstat(3, [pid 7288] chdir("./305" [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(22 [pid 7281] close(29 [pid 3485] <... 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 7288] <... chdir resumed>) = 0 [pid 7284] close(24 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 7288] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(23 [pid 7281] exit_group(0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] unlink("./286/cgroup.cpu" [pid 7288] <... prctl resumed>) = 0 [pid 7285] <... futex resumed>) = ? [pid 7284] close(25 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7281] <... exit_group resumed>) = ? [pid 3485] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7288] setpgid(0, 0 [pid 7285] +++ exited with 0 +++ [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(24 [pid 7281] +++ exited with 0 +++ [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7288] <... setpgid resumed>) = 0 [pid 7284] close(26 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3485] lstat("./299/binderfs", [pid 7288] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] getdents64(3, [pid 7288] <... symlink resumed>) = 0 [pid 7284] close(27 [pid 7282] close(25 [pid 3485] unlink("./299/binderfs" [pid 7288] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7288] <... symlink resumed>) = 0 [pid 7284] close(28 [pid 7282] close(26 [pid 3485] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 7288] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7288] <... symlink resumed>) = 0 [pid 7284] close(29 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... close resumed>) = 0 [pid 7288] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7284] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7282] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] lstat("./299/cgroup", [pid 3482] rmdir("./286" [pid 7288] <... openat resumed>) = 3 [pid 7284] exit_group(0 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7288] write(3, "1000", 4 [pid 7287] <... futex resumed>) = ? [pid 7284] <... exit_group resumed>) = ? [pid 3487] <... openat resumed>) = 3 [pid 3485] unlink("./299/cgroup" [pid 7288] <... write resumed>) = 4 [pid 7287] +++ exited with 0 +++ [pid 7282] close(28 [pid 3482] <... rmdir resumed>) = 0 [pid 7288] close(3 [pid 7284] +++ exited with 0 +++ [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3485] <... unlink resumed>) = 0 [pid 7288] <... close resumed>) = 0 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] mkdir("./287", 0777 [pid 7288] read(200, [pid 7282] close(29 [pid 3487] getdents64(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7288] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] lstat("./299/cgroup.net", [pid 7288] symlink("/dev/binderfs", "./binderfs" [pid 3487] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7288] <... symlink resumed>) = 0 [pid 7282] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 7288] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7282] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] unlink("./299/cgroup.net" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7288] <... futex resumed>) = 0 [pid 7286] <... futex resumed>) = ? [pid 7282] <... exit_group resumed>) = ? [pid 3487] lstat("./307/binderfs", [pid 3485] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7289 attached [pid 7288] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7286] +++ exited with 0 +++ [pid 7282] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 576 [pid 7289] set_robust_list(0x5555562645e0, 24 [pid 3484] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] unlink("./307/binderfs" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7288] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7289] <... set_robust_list resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./299/cgroup.cpu", [pid 3484] <... openat resumed>) = 3 [pid 3483] <... restart_syscall resumed>) = 0 [pid 7289] chdir("./287" [pid 7288] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3484] fstat(3, [pid 7289] <... chdir resumed>) = 0 [pid 7288] <... mprotect resumed>) = 0 [pid 3487] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [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 7289] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7288] 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 3485] unlink("./299/cgroup.cpu" [pid 3484] getdents64(3, [pid 3483] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7290 attached [pid 7289] <... prctl resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7290] set_robust_list(0x7fa7c8c309e0, 24 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7290] <... set_robust_list resumed>) = 0 [pid 7289] setpgid(0, 0 [pid 7288] <... clone resumed>, parent_tid=[613], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 613 [pid 3487] lstat("./307/cgroup", [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... openat resumed>) = 3 [pid 7290] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7289] <... setpgid resumed>) = 0 [pid 7288] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] lstat("./298/binderfs", [pid 3483] fstat(3, [pid 7290] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7288] <... futex resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [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 7290] ioctl(-1, LOOP_CTL_ADD, 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./298/binderfs" [pid 3483] getdents64(3, [pid 7290] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... symlink resumed>) = 0 [pid 3487] unlink("./307/cgroup" [pid 3485] close(3 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7290] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3484] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7290] <... futex resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7290] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3484] lstat("./298/cgroup", [pid 3483] lstat("./293/binderfs", [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 3484] unlink("./298/cgroup" [pid 3483] unlink("./293/binderfs" [pid 7289] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7288] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3484] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7289] <... symlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7289] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7288] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] rmdir("./299" [pid 3484] lstat("./298/cgroup.net", [pid 3483] lstat("./293/cgroup", [pid 7288] close(3 [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 3484] unlink("./298/cgroup.net" [pid 3483] unlink("./293/cgroup" [pid 7289] <... symlink resumed>) = 0 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7289] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7288] close(4 [pid 3487] lstat("./307/cgroup.net", [pid 3485] mkdir("./300", 0777 [pid 3484] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7288] close(5 [pid 3484] lstat("./298/cgroup.cpu", [pid 3483] lstat("./293/cgroup.net", [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [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 7288] close(6 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] unlink("./298/cgroup.cpu" [pid 3483] unlink("./293/cgroup.net" [pid 7289] <... openat resumed>) = 3 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./307/cgroup.net" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... unlink resumed>) = 0 [pid 7289] write(3, "1000", 4 [pid 7288] close(7 [pid 3484] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./293/cgroup.cpu", ./strace-static-x86_64: Process 7291 attached [pid 7289] <... write resumed>) = 4 [pid 7288] close(8 [pid 3487] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] rmdir("./298" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7291] set_robust_list(0x5555562645e0, 24 [pid 7289] close(3 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 602 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./293/cgroup.cpu" [pid 7291] <... set_robust_list resumed>) = 0 [pid 7289] <... close resumed>) = 0 [pid 7288] close(9 [pid 3487] lstat("./307/cgroup.cpu", [pid 3484] mkdir("./299", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 7291] chdir("./300" [pid 7289] read(200, [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] getdents64(3, [pid 7291] <... chdir resumed>) = 0 [pid 7289] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7288] close(10 [pid 3487] unlink("./307/cgroup.cpu" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 ./strace-static-x86_64: Process 7292 attached [pid 7291] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7289] symlink("/dev/binderfs", "./binderfs" [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3483] close(3 [pid 7292] set_robust_list(0x5555562645e0, 24 [pid 7291] <... prctl resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 600 [pid 3483] <... close resumed>) = 0 [pid 7292] <... set_robust_list resumed>) = 0 [pid 7291] setpgid(0, 0 [pid 7289] <... symlink resumed>) = 0 [pid 7288] close(11 [pid 3487] getdents64(3, [pid 3483] rmdir("./293" [pid 7292] chdir("./299" [pid 7291] <... setpgid resumed>) = 0 [pid 7289] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7292] <... chdir resumed>) = 0 [pid 7291] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7289] <... futex resumed>) = 0 [pid 7288] close(12 [pid 3487] close(3 [pid 3483] <... rmdir resumed>) = 0 [pid 7292] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7291] <... symlink resumed>) = 0 [pid 7289] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 7292] <... prctl resumed>) = 0 [pid 7291] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7289] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7288] close(13 [pid 3487] rmdir("./307" [pid 3483] mkdir("./294", 0777 [pid 7292] setpgid(0, 0 [pid 7291] <... symlink resumed>) = 0 [pid 7289] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3483] <... mkdir resumed>) = 0 [pid 7292] <... setpgid resumed>) = 0 [pid 7291] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7289] <... mprotect resumed>) = 0 [pid 7288] close(14 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3487] mkdir("./308", 0777./strace-static-x86_64: Process 7293 attached [pid 7292] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7291] <... symlink resumed>) = 0 [pid 7289] 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 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7294 attached [pid 7293] set_robust_list(0x5555562645e0, 24 [pid 7292] <... symlink resumed>) = 0 [pid 7291] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7288] close(15 [pid 3487] <... mkdir resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 590 [pid 7294] set_robust_list(0x7fa7c8c309e0, 24 [pid 7293] <... set_robust_list resumed>) = 0 [pid 7292] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7291] <... openat resumed>) = 3 [pid 7289] <... clone resumed>, parent_tid=[577], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 577 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7295 attached [pid 7294] <... set_robust_list resumed>) = 0 [pid 7293] chdir("./294" [pid 7292] <... symlink resumed>) = 0 [pid 7291] write(3, "1000", 4 [pid 7289] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7288] close(16 [pid 7294] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7293] <... chdir resumed>) = 0 [pid 7292] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7291] <... write resumed>) = 4 [pid 7289] <... futex resumed>) = 0 [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 618 [pid 7295] set_robust_list(0x5555562645e0, 24 [pid 7294] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7292] <... symlink resumed>) = 0 [pid 7291] close(3 [pid 7295] <... set_robust_list resumed>) = 0 [pid 7294] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... prctl resumed>) = 0 [pid 7292] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7291] <... close resumed>) = 0 [pid 7289] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7288] close(17 [pid 7295] chdir("./308" [pid 7294] <... futex resumed>) = 0 [pid 7293] setpgid(0, 0 [pid 7292] <... openat resumed>) = 3 [pid 7291] read(200, [pid 7289] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... chdir resumed>) = 0 [pid 7294] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7293] <... setpgid resumed>) = 0 [pid 7292] write(3, "1000", 4 [pid 7291] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] close(3 [pid 7288] close(18 [pid 7295] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7293] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7292] <... write resumed>) = 4 [pid 7291] symlink("/dev/binderfs", "./binderfs" [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... prctl resumed>) = 0 [pid 7293] <... symlink resumed>) = 0 [pid 7292] close(3 [pid 7289] close(4 [pid 7288] close(19 [pid 7295] setpgid(0, 0 [pid 7291] <... symlink resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... setpgid resumed>) = 0 [pid 7293] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7292] <... close resumed>) = 0 [pid 7291] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] close(5 [pid 7288] close(20 [pid 7295] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7293] <... symlink resumed>) = 0 [pid 7292] read(200, [pid 7291] <... futex resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... symlink resumed>) = 0 [pid 7293] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7292] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7289] close(6 [pid 7288] close(21 [pid 7295] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7292] symlink("/dev/binderfs", "./binderfs" [pid 7291] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... symlink resumed>) = 0 [pid 7295] <... symlink resumed>) = 0 [pid 7289] close(7 [pid 7288] close(22 [pid 7295] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7293] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7292] <... symlink resumed>) = 0 [pid 7291] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... symlink resumed>) = 0 [pid 7293] <... openat resumed>) = 3 [pid 7292] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7291] <... mprotect resumed>) = 0 [pid 7289] close(8 [pid 7288] close(23 [pid 7295] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7293] write(3, "1000", 4 [pid 7292] <... futex resumed>) = 0 [pid 7291] 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 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7296 attached [pid 7295] <... openat resumed>) = 3 [pid 7293] <... write resumed>) = 4 [pid 7292] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7289] close(9 [pid 7288] close(24 [pid 7296] set_robust_list(0x7fa7c8c309e0, 24 [pid 7295] write(3, "1000", 4 [pid 7293] close(3 [pid 7292] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7291] <... clone resumed>, parent_tid=[603], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 603 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7296] <... set_robust_list resumed>) = 0 [pid 7295] <... write resumed>) = 4 [pid 7293] <... close resumed>) = 0 [pid 7292] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7291] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] close(10 [pid 7288] close(25 [pid 7296] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7295] close(3 [pid 7291] <... futex resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] read(200, [pid 7296] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... close resumed>) = 0 [pid 7292] <... mprotect resumed>) = 0 [pid 7289] close(11 [pid 7288] close(26 [pid 7291] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7296] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] read(200, [pid 7293] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] 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 7291] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7297 attached [pid 7296] <... futex resumed>) = 0 [pid 7295] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] symlink("/dev/binderfs", "./binderfs" [pid 7291] close(3 [pid 7289] close(12 [pid 7288] close(27 [pid 7297] set_robust_list(0x7fa7c8c309e0, 24 [pid 7296] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] symlink("/dev/binderfs", "./binderfs" [pid 7293] <... symlink resumed>) = 0 [pid 7292] <... clone resumed>, parent_tid=[601], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 601 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7297] <... set_robust_list resumed>) = 0 [pid 7295] <... symlink resumed>) = 0 [pid 7293] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7289] close(13 [pid 7288] close(28 [pid 7291] close(4 [pid 7297] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7295] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] <... futex resumed>) = 0 [pid 7292] <... futex resumed>) = 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7297] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... futex resumed>) = 0 [pid 7293] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7292] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(14 [pid 7288] close(29 [pid 7297] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7297] <... futex resumed>) = 0 [pid 7295] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7293] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7292] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7291] close(5 [pid 7289] close(15 [pid 7288] exit_group(0 [pid 7297] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7293] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7292] close(3 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7290] <... futex resumed>) = ? [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7288] <... exit_group resumed>) = ? [pid 7295] <... mprotect resumed>) = 0 [pid 7293] <... mprotect resumed>) = 0 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(6 [pid 7290] +++ exited with 0 +++ [pid 7289] close(16 [pid 7288] +++ exited with 0 +++ [pid 7295] 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 7293] 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 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7299 attached ./strace-static-x86_64: Process 7298 attached [pid 7292] close(4 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(17 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7299] set_robust_list(0x7fa7c8c309e0, 24 [pid 7298] set_robust_list(0x7fa7c8c309e0, 24 [pid 7295] <... clone resumed>, parent_tid=[619], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 619 [pid 7293] <... clone resumed>, parent_tid=[591], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 591 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(7 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7299] <... set_robust_list resumed>) = 0 [pid 7298] <... set_robust_list resumed>) = 0 [pid 7295] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7293] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7292] close(5 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(18 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7299] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7298] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7295] <... futex resumed>) = 0 [pid 7293] <... futex resumed>) = 0 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7299] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7298] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7293] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7292] close(6 [pid 7291] close(8 [pid 7289] close(19 [pid 3486] <... openat resumed>) = 3 [pid 7299] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7298] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7295] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7293] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 7299] <... futex resumed>) = 0 [pid 7298] <... futex resumed>) = 0 [pid 7295] close(3 [pid 7293] close(3 [pid 7292] close(7 [pid 7291] close(9 [pid 7289] close(20 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7299] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7298] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 7295] close(4 [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(21 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] close(4 [pid 7292] close(8 [pid 7291] close(10 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] close(5 [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] close(5 [pid 7292] close(9 [pid 7291] close(11 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./305/binderfs", [pid 7295] close(6 [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(23 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./305/binderfs" [pid 7295] close(7 [pid 7293] close(6 [pid 7292] close(10 [pid 7291] close(12 [pid 7289] close(24 [pid 3486] <... unlink resumed>) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] close(8 [pid 7293] close(7 [pid 7292] close(11 [pid 7291] close(13 [pid 7289] close(25 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./305/cgroup", [pid 7295] close(9 [pid 7293] close(8 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(26 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(12 [pid 7291] close(14 [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./305/cgroup" [pid 7295] close(10 [pid 7293] close(9 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(27 [pid 3486] <... unlink resumed>) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] close(11 [pid 7291] close(15 [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] close(28 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(13 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./305/cgroup.net", [pid 7295] close(12 [pid 7293] close(10 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(16 [pid 7289] close(29 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(14 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7289] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./305/cgroup.net" [pid 7295] close(13 [pid 7293] close(11 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(17 [pid 7289] exit_group(0 [pid 3486] <... unlink resumed>) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7294] <... futex resumed>) = ? [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(15 [pid 7289] <... exit_group resumed>) = ? [pid 3486] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] close(14 [pid 7294] +++ exited with 0 +++ [pid 7293] close(12 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(16 [pid 7291] close(18 [pid 7289] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] close(15 [pid 7293] close(13 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./305/cgroup.cpu", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=576, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(17 [pid 7291] close(19 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7295] close(16 [pid 7293] close(14 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./305/cgroup.cpu" [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 7295] close(17 [pid 7293] close(15 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(20 [pid 3486] getdents64(3, [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(19 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7295] close(18 [pid 7293] close(16 [pid 3486] close(3 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./287", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(21 [pid 3486] <... close resumed>) = 0 [pid 7295] close(19 [pid 7293] close(17 [pid 7292] close(20 [pid 3486] rmdir("./305" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 7295] close(20 [pid 7293] close(18 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] mkdir("./306", 0777 [pid 3482] openat(AT_FDCWD, "./287", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(21 [pid 7291] close(22 [pid 3486] <... mkdir resumed>) = 0 [pid 7295] close(21 [pid 7293] close(19 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7300 attached [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(22 [pid 7291] close(23 [pid 3482] fstat(3, [pid 7300] set_robust_list(0x5555562645e0, 24 [pid 7295] close(22 [pid 7293] close(20 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 614 [pid 7292] close(23 [pid 7300] <... set_robust_list resumed>) = 0 [pid 7295] close(23 [pid 7293] close(21 [pid 7291] close(24 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7300] chdir("./306" [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] <... chdir resumed>) = 0 [pid 7295] close(24 [pid 7293] close(22 [pid 7292] close(24 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7300] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] close(25 [pid 7293] close(23 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7295] close(26 [pid 7293] close(24 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(25 [pid 7300] <... prctl resumed>) = 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7295] close(27 [pid 7293] close(25 [pid 7292] close(25 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./287/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7300] setpgid(0, 0 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] <... setpgid resumed>) = 0 [pid 7295] close(28 [pid 7293] close(26 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(26 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7295] close(29 [pid 7293] close(27 [pid 7295] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(26 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./287/binderfs", [pid 7300] <... symlink resumed>) = 0 [pid 7295] exit_group(0 [pid 7293] close(28 [pid 7300] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7298] <... futex resumed>) = ? [pid 7295] <... exit_group resumed>) = ? [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(27 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7300] <... symlink resumed>) = 0 [pid 7298] +++ exited with 0 +++ [pid 7295] +++ exited with 0 +++ [pid 7293] close(29 [pid 7292] close(27 [pid 7300] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7293] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./287/binderfs" [pid 7293] exit_group(0 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] close(28 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 7299] <... futex resumed>) = ? [pid 7293] <... exit_group resumed>) = ? [pid 7300] <... symlink resumed>) = 0 [pid 7299] +++ exited with 0 +++ [pid 7293] +++ exited with 0 +++ [pid 7292] close(28 [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7291] close(29 [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7292] close(29 [pid 3487] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7300] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7292] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7291] exit_group(0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./287/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7292] exit_group(0 [pid 3487] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7296] <... futex resumed>) = ? [pid 7291] <... exit_group resumed>) = ? [pid 7297] <... futex resumed>) = ? [pid 7292] <... exit_group resumed>) = ? [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7300] <... openat resumed>) = 3 [pid 7297] +++ exited with 0 +++ [pid 7296] +++ exited with 0 +++ [pid 3487] <... openat resumed>) = 3 [pid 7291] +++ exited with 0 +++ [pid 3483] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] fstat(3, [pid 3483] <... openat resumed>) = 3 [pid 3482] lstat("./287/cgroup", [pid 7292] +++ exited with 0 +++ [pid 7300] write(3, "1000", 4 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7300] <... write resumed>) = 4 [pid 3487] getdents64(3, [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3483] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7300] close(3 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] unlink("./287/cgroup" [pid 7300] <... close resumed>) = 0 [pid 3487] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] getdents64(3, [pid 3484] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7300] read(200, [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 7300] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] lstat("./308/binderfs", [pid 3484] fstat(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7300] symlink("/dev/binderfs", "./binderfs" [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./287/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7300] <... symlink resumed>) = 0 [pid 3487] unlink("./308/binderfs" [pid 3485] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] getdents64(3, [pid 3483] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7300] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... openat resumed>) = 3 [pid 3484] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7300] <... futex resumed>) = 0 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] fstat(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./287/cgroup.net", [pid 3487] lstat("./308/cgroup", [pid 3484] lstat("./299/binderfs", [pid 3483] lstat("./294/binderfs", [pid 7300] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7300] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] unlink("./308/cgroup" [pid 3485] getdents64(3, [pid 3484] unlink("./299/binderfs" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7300] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./287/cgroup.net" [pid 7300] <... mprotect resumed>) = 0 [pid 3487] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] unlink("./294/binderfs" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7300] 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("./308/cgroup.net", [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./299/cgroup", [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7301 attached [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] lstat("./300/binderfs", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] umount2("./287/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7301] set_robust_list(0x7fa7c8c309e0, 24 [pid 7300] <... clone resumed>, parent_tid=[615], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 615 [pid 3487] unlink("./308/cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] unlink("./299/cgroup" [pid 3483] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7301] <... set_robust_list resumed>) = 0 [pid 7300] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./300/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./287/cgroup.cpu", [pid 7301] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7300] <... futex resumed>) = 0 [pid 3487] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7301] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] unlink("./287/cgroup.cpu" [pid 7301] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] lstat("./308/cgroup.cpu", [pid 3485] <... unlink resumed>) = 0 [pid 3484] lstat("./299/cgroup.net", [pid 3483] lstat("./294/cgroup", [pid 3482] <... unlink resumed>) = 0 [pid 7301] <... futex resumed>) = 0 [pid 7300] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [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] getdents64(3, [pid 7301] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7300] close(3 [pid 3487] unlink("./308/cgroup.cpu" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./299/cgroup.net" [pid 3483] unlink("./294/cgroup" [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] lstat("./300/cgroup", [pid 3484] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 3487] getdents64(3, [pid 3484] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... close resumed>) = 0 [pid 7300] close(4 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 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] rmdir("./287" [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3485] unlink("./300/cgroup" [pid 3484] lstat("./299/cgroup.cpu", [pid 3483] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... rmdir resumed>) = 0 [pid 7300] close(5 [pid 3487] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./308" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] mkdir("./288", 0777 [pid 7300] close(6 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./299/cgroup.cpu" [pid 3483] lstat("./294/cgroup.net", [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./309", 0777 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7300] close(7 [pid 3485] lstat("./300/cgroup.net", [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] getdents64(3, [pid 3483] unlink("./294/cgroup.net" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7300] close(8 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] unlink("./300/cgroup.net" [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7302 attached [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] close(3 [pid 7302] set_robust_list(0x5555562645e0, 24 [pid 7300] close(9 [pid 3485] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7303 attached [pid 7302] <... set_robust_list resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./294/cgroup.cpu", [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 578 [pid 7303] set_robust_list(0x5555562645e0, 24 [pid 7302] chdir("./288" [pid 7300] close(10 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 620 [pid 3485] lstat("./300/cgroup.cpu", [pid 3484] rmdir("./299" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7303] <... set_robust_list resumed>) = 0 [pid 7302] <... chdir resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./294/cgroup.cpu" [pid 7303] chdir("./309" [pid 7302] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7300] close(11 [pid 3485] unlink("./300/cgroup.cpu" [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7303] <... chdir resumed>) = 0 [pid 7302] <... prctl resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] mkdir("./300", 0777 [pid 3483] getdents64(3, [pid 7303] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7302] setpgid(0, 0 [pid 7300] close(12 [pid 3485] getdents64(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7303] <... prctl resumed>) = 0 [pid 7302] <... setpgid resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] close(3 [pid 7303] setpgid(0, 0 [pid 7302] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7300] close(13 [pid 3485] close(3 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 7303] <... setpgid resumed>) = 0 [pid 7302] <... symlink resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3483] rmdir("./294" [pid 7303] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7302] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7300] close(14 [pid 3485] rmdir("./300" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... rmdir resumed>) = 0 ./strace-static-x86_64: Process 7304 attached [pid 7303] <... symlink resumed>) = 0 [pid 7302] <... symlink resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 3483] mkdir("./295", 0777 [pid 7304] set_robust_list(0x5555562645e0, 24 [pid 7303] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7302] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7300] close(15 [pid 3485] mkdir("./301", 0777 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 602 [pid 3483] <... mkdir resumed>) = 0 [pid 7304] <... set_robust_list resumed>) = 0 [pid 7303] <... symlink resumed>) = 0 [pid 7302] <... symlink resumed>) = 0 [pid 7304] chdir("./300" [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... chdir resumed>) = 0 [pid 7303] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7302] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7300] close(16 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7304] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7303] <... symlink resumed>) = 0 [pid 7302] <... openat resumed>) = 3 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] close(17 [pid 7304] <... prctl resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] close(18./strace-static-x86_64: Process 7305 attached [pid 7304] setpgid(0, 0 [pid 7302] write(3, "1000", 4 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7303] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7305] set_robust_list(0x5555562645e0, 24 [pid 7304] <... setpgid resumed>) = 0 [pid 7302] <... write resumed>) = 4 [pid 7300] close(19 [pid 7305] <... set_robust_list resumed>) = 0 [pid 7304] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7303] <... openat resumed>) = 3 [pid 7302] close(3 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 592 ./strace-static-x86_64: Process 7306 attached [pid 7305] chdir("./295" [pid 7304] <... symlink resumed>) = 0 [pid 7303] write(3, "1000", 4 [pid 7302] <... close resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 604 [pid 7306] set_robust_list(0x5555562645e0, 24 [pid 7305] <... chdir resumed>) = 0 [pid 7304] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7303] <... write resumed>) = 4 [pid 7302] read(200, [pid 7300] close(20 [pid 7306] <... set_robust_list resumed>) = 0 [pid 7305] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7304] <... symlink resumed>) = 0 [pid 7303] close(3 [pid 7302] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] chdir("./301" [pid 7305] <... prctl resumed>) = 0 [pid 7304] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7303] <... close resumed>) = 0 [pid 7302] symlink("/dev/binderfs", "./binderfs" [pid 7300] close(21 [pid 7304] <... symlink resumed>) = 0 [pid 7303] read(200, [pid 7302] <... symlink resumed>) = 0 [pid 7304] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7303] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7302] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] setpgid(0, 0 [pid 7306] <... chdir resumed>) = 0 [pid 7305] <... setpgid resumed>) = 0 [pid 7304] <... openat resumed>) = 3 [pid 7303] symlink("/dev/binderfs", "./binderfs" [pid 7302] <... futex resumed>) = 0 [pid 7300] close(22 [pid 7306] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7305] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7304] write(3, "1000", 4 [pid 7303] <... symlink resumed>) = 0 [pid 7302] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7306] <... prctl resumed>) = 0 [pid 7304] <... write resumed>) = 4 [pid 7303] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] setpgid(0, 0 [pid 7305] <... symlink resumed>) = 0 [pid 7304] close(3 [pid 7303] <... futex resumed>) = 0 [pid 7302] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7300] close(23 [pid 7306] <... setpgid resumed>) = 0 [pid 7305] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7304] <... close resumed>) = 0 [pid 7303] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7302] <... mprotect resumed>) = 0 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7305] <... symlink resumed>) = 0 [pid 7304] read(200, [pid 7303] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7302] 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 7300] close(24./strace-static-x86_64: Process 7307 attached [pid 7306] <... symlink resumed>) = 0 [pid 7305] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7304] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7303] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] set_robust_list(0x7fa7c8c309e0, 24 [pid 7306] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7305] <... symlink resumed>) = 0 [pid 7300] close(25 [pid 7307] <... set_robust_list resumed>) = 0 [pid 7306] <... symlink resumed>) = 0 [pid 7305] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7304] symlink("/dev/binderfs", "./binderfs" [pid 7303] <... mprotect resumed>) = 0 [pid 7302] <... clone resumed>, parent_tid=[579], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 579 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7305] <... openat resumed>) = 3 [pid 7300] close(26 [pid 7307] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7306] <... symlink resumed>) = 0 [pid 7305] write(3, "1000", 4 [pid 7304] <... symlink resumed>) = 0 [pid 7303] 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 7302] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7308 attached [pid 7307] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7306] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7305] <... write resumed>) = 4 [pid 7304] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = 0 [pid 7308] set_robust_list(0x7fa7c8c309e0, 24 [pid 7307] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] <... openat resumed>) = 3 [pid 7305] close(3 [pid 7304] <... futex resumed>) = 0 [pid 7303] <... clone resumed>, parent_tid=[621], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 621 [pid 7302] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7300] close(27 [pid 7308] <... set_robust_list resumed>) = 0 [pid 7307] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] write(3, "1000", 4 [pid 7305] <... close resumed>) = 0 [pid 7304] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7303] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7302] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7308] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7307] <... futex resumed>) = 0 [pid 7306] <... write resumed>) = 4 [pid 7305] read(200, [pid 7304] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7303] <... futex resumed>) = 0 [pid 7302] close(3 [pid 7300] close(28 [pid 7308] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7307] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] close(3 [pid 7305] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7304] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7303] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7308] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] <... close resumed>) = 0 [pid 7305] symlink("/dev/binderfs", "./binderfs" [pid 7304] <... mprotect resumed>) = 0 [pid 7303] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7302] close(4 [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7308] <... futex resumed>) = 0 [pid 7306] read(200, [pid 7305] <... symlink resumed>) = 0 [pid 7304] 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 7303] close(3 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] close(29./strace-static-x86_64: Process 7309 attached [pid 7308] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7305] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(5 [pid 7309] set_robust_list(0x7fa7c8c309e0, 24 [pid 7306] symlink("/dev/binderfs", "./binderfs" [pid 7304] <... clone resumed>, parent_tid=[603], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 603 [pid 7303] close(4 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7309] <... set_robust_list resumed>) = 0 [pid 7306] <... symlink resumed>) = 0 [pid 7304] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(6 [pid 7309] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7306] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... futex resumed>) = 0 [pid 7304] <... futex resumed>) = 0 [pid 7303] close(5 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7300] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7309] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] <... futex resumed>) = 0 [pid 7305] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7304] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(7 [pid 7300] exit_group(0 [pid 7309] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7306] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7305] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7304] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7303] close(6 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7301] <... futex resumed>) = ? [pid 7300] <... exit_group resumed>) = ? [pid 7309] <... futex resumed>) = 0 [pid 7306] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7305] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7304] close(3 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(8 [pid 7309] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(7 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7301] +++ exited with 0 +++ [pid 7306] <... mprotect resumed>) = 0 [pid 7304] close(4 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(9 [pid 7300] +++ exited with 0 +++ [pid 7306] 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 7305] <... mprotect resumed>) = 0 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(8 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- ./strace-static-x86_64: Process 7310 attached [pid 7305] 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 7304] close(5 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(10./strace-static-x86_64: Process 7311 attached [pid 7310] set_robust_list(0x7fa7c8c309e0, 24 [pid 7306] <... clone resumed>, parent_tid=[605], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 605 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(9 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7311] set_robust_list(0x7fa7c8c309e0, 24 [pid 7310] <... set_robust_list resumed>) = 0 [pid 7306] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] <... clone resumed>, parent_tid=[593], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 593 [pid 7304] close(6 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(11 [pid 3486] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7311] <... set_robust_list resumed>) = 0 [pid 7310] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7306] <... futex resumed>) = 0 [pid 7305] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(10 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7311] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7310] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7305] <... futex resumed>) = 0 [pid 7304] close(7 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(12 [pid 3486] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7311] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7310] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7305] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(11 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 7311] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7310] <... futex resumed>) = 1 [pid 7306] <... futex resumed>) = 0 [pid 7304] close(8 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(13 [pid 3486] fstat(3, [pid 7311] <... futex resumed>) = 1 [pid 7310] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] close(3 [pid 7305] <... futex resumed>) = 0 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(12 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7311] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(3 [pid 7304] close(9 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(14 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7305] close(4 [pid 3486] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] close(4 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(13 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(5 [pid 7304] close(10 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(15 [pid 3486] lstat("./306/binderfs", [pid 7306] close(5 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(14 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(6 [pid 7304] close(11 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(16 [pid 3486] unlink("./306/binderfs" [pid 7306] close(6 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(15 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(7 [pid 7304] close(12 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(17 [pid 3486] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] close(7 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(16 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(8 [pid 7304] close(13 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(18 [pid 3486] lstat("./306/cgroup", [pid 7306] close(8 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(17 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(9 [pid 7304] close(14 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./306/cgroup" [pid 7306] close(9 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(18 [pid 7302] close(19 [pid 3486] <... unlink resumed>) = 0 [pid 7305] close(10 [pid 7304] close(15 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] close(10 [pid 7305] close(11 [pid 7303] close(19 [pid 3486] lstat("./306/cgroup.net", [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(16 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(20 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7306] close(11 [pid 7305] close(12 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(20 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./306/cgroup.net" [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(17 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(21 [pid 3486] <... unlink resumed>) = 0 [pid 7306] close(12 [pid 7305] close(13 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(21 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(18 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7306] close(13 [pid 7305] close(14 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(22 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./306/cgroup.cpu", [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(19 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(23 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7306] close(14 [pid 7305] close(15 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(23 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./306/cgroup.cpu" [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(20 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(24 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(24 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7304] close(21 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(25 [pid 7306] close(15 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] close(16 [pid 7303] close(25 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(22 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(26 [pid 3486] getdents64(3, [pid 7306] close(16 [pid 7305] close(17 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(26 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7304] close(23 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(27 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(27 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 7306] close(17 [pid 7305] close(18 [pid 7304] close(24 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(28 [pid 3486] <... close resumed>) = 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(28 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7306] close(18 [pid 7305] close(19 [pid 7304] close(25 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] close(29 [pid 3486] rmdir("./306" [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] close(29 [pid 7302] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(26 [pid 7303] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7302] exit_group(0 [pid 7307] <... futex resumed>) = ? [pid 7306] close(19 [pid 7305] close(20 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7303] exit_group(0 [pid 7302] <... exit_group resumed>) = ? [pid 3486] <... rmdir resumed>) = 0 [pid 7308] <... futex resumed>) = ? [pid 7307] +++ exited with 0 +++ [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(27 [pid 7303] <... exit_group resumed>) = ? [pid 7302] +++ exited with 0 +++ [pid 3486] mkdir("./307", 0777 [pid 7306] close(20 [pid 7305] close(21 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(28 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=578, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7308] +++ exited with 0 +++ [pid 7303] +++ exited with 0 +++ [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] close(29 [pid 3486] <... mkdir resumed>) = 0 [pid 3482] <... restart_syscall resumed>) = 0 [pid 7306] close(21 [pid 7305] close(22 [pid 7304] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] exit_group(0 [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 7309] <... futex resumed>) = ? [pid 7306] close(22 [pid 7305] close(23 [pid 7304] <... exit_group resumed>) = ? [pid 3487] <... restart_syscall resumed>) = 0 [pid 3482] umount2("./288", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7312 attached [pid 7309] +++ exited with 0 +++ [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7304] +++ exited with 0 +++ [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7312] set_robust_list(0x5555562645e0, 24 [pid 7306] close(23 [pid 7305] close(24 [pid 3482] openat(AT_FDCWD, "./288", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7312] <... set_robust_list resumed>) = 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 616 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3482] <... openat resumed>) = 3 [pid 7312] chdir("./307" [pid 7306] close(24 [pid 7305] close(25 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] fstat(3, [pid 7312] <... chdir resumed>) = 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7306] close(25 [pid 7305] close(26 [pid 7312] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3482] getdents64(3, [pid 7312] <... prctl resumed>) = 0 [pid 7306] close(26 [pid 7305] close(27 [pid 3487] fstat(3, [pid 3484] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7312] setpgid(0, 0 [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7312] <... setpgid resumed>) = 0 [pid 7306] close(27 [pid 7305] close(28 [pid 3487] getdents64(3, [pid 3484] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./288/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7312] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7312] <... symlink resumed>) = 0 [pid 7306] close(28 [pid 7305] close(29 [pid 3487] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... openat resumed>) = 3 [pid 3482] lstat("./288/binderfs", [pid 7312] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7312] <... symlink resumed>) = 0 [pid 7306] close(29 [pid 7305] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./309/binderfs", [pid 3484] fstat(3, [pid 7312] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7306] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7305] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./288/binderfs" [pid 7312] <... symlink resumed>) = 0 [pid 7311] <... futex resumed>) = ? [pid 7306] exit_group(0 [pid 7305] <... exit_group resumed>) = ? [pid 3487] unlink("./309/binderfs" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7312] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7311] +++ exited with 0 +++ [pid 7310] <... futex resumed>) = ? [pid 7306] <... exit_group resumed>) = ? [pid 7305] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 3482] umount2("./288/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7312] <... openat resumed>) = 3 [pid 7310] +++ exited with 0 +++ [pid 3487] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7312] write(3, "1000", 4 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./288/cgroup", [pid 7312] <... write resumed>) = 4 [pid 7306] +++ exited with 0 +++ [pid 3487] lstat("./309/cgroup", [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7312] close(3 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./288/cgroup" [pid 7312] <... close resumed>) = 0 [pid 3487] unlink("./309/cgroup" [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... unlink resumed>) = 0 [pid 7312] read(200, [pid 3487] <... unlink resumed>) = 0 [pid 3485] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] umount2("./288/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7312] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./300/binderfs", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7312] symlink("/dev/binderfs", "./binderfs" [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] lstat("./288/cgroup.net", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7312] <... symlink resumed>) = 0 [pid 3487] lstat("./309/cgroup.net", [pid 3485] <... openat resumed>) = 3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7312] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./300/binderfs" [pid 3482] unlink("./288/cgroup.net" [pid 7312] <... futex resumed>) = 0 [pid 3487] unlink("./309/cgroup.net" [pid 3485] fstat(3, [pid 3484] <... unlink resumed>) = 0 [pid 3483] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7312] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3487] <... unlink resumed>) = 0 [pid 3482] umount2("./288/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7312] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3487] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7312] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./288/cgroup.cpu", [pid 7312] <... mprotect resumed>) = 0 [pid 3487] lstat("./309/cgroup.cpu", [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7312] 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 resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./300/cgroup", [pid 3482] unlink("./288/cgroup.cpu"./strace-static-x86_64: Process 7313 attached [pid 3487] unlink("./309/cgroup.cpu" [pid 3485] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 7313] set_robust_list(0x7fa7c8c309e0, 24 [pid 7312] <... clone resumed>, parent_tid=[617], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 617 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] getdents64(3, [pid 7313] <... set_robust_list resumed>) = 0 [pid 7312] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3487] getdents64(3, [pid 3485] lstat("./301/binderfs", [pid 3484] unlink("./300/cgroup" [pid 3483] fstat(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7313] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7312] <... futex resumed>) = 0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] close(3 [pid 7313] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7312] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3487] close(3 [pid 3482] <... close resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7313] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... close resumed>) = 0 [pid 3485] unlink("./301/binderfs" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] rmdir("./288" [pid 7313] <... futex resumed>) = 0 [pid 7312] close(3 [pid 3487] rmdir("./309" [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] getdents64(3, [pid 3482] <... rmdir resumed>) = 0 [pid 7313] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] mkdir("./289", 0777 [pid 7312] close(4 [pid 3487] mkdir("./310", 0777 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... mkdir resumed>) = 0 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./300/cgroup.net", [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7314 attached [pid 7312] close(5 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./301/cgroup", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7315 attached [pid 7314] set_robust_list(0x5555562645e0, 24 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./300/cgroup.net" [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 580 [pid 7315] set_robust_list(0x5555562645e0, 24 [pid 7314] <... set_robust_list resumed>) = 0 [pid 7312] close(6 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 622 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7315] <... set_robust_list resumed>) = 0 [pid 7314] chdir("./289" [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./301/cgroup" [pid 7315] chdir("./310" [pid 7314] <... chdir resumed>) = 0 [pid 7312] close(7 [pid 3484] <... unlink resumed>) = 0 [pid 3483] lstat("./295/binderfs", [pid 7315] <... chdir resumed>) = 0 [pid 7314] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7315] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7314] <... prctl resumed>) = 0 [pid 7312] close(8 [pid 3485] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./295/binderfs" [pid 7315] <... prctl resumed>) = 0 [pid 7314] setpgid(0, 0 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] setpgid(0, 0 [pid 7314] <... setpgid resumed>) = 0 [pid 7312] close(9 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./300/cgroup.cpu", [pid 7315] <... setpgid resumed>) = 0 [pid 7314] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7315] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7314] <... symlink resumed>) = 0 [pid 7312] close(10 [pid 3485] lstat("./301/cgroup.net", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7315] <... symlink resumed>) = 0 [pid 7314] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./300/cgroup.cpu" [pid 7315] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7314] <... symlink resumed>) = 0 [pid 7312] close(11 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7315] <... symlink resumed>) = 0 [pid 7314] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./301/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 7315] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7314] <... symlink resumed>) = 0 [pid 7312] close(12 [pid 3483] lstat("./295/cgroup", [pid 7315] <... symlink resumed>) = 0 [pid 7314] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 7315] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7314] <... openat resumed>) = 3 [pid 7312] close(13 [pid 3485] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7315] <... openat resumed>) = 3 [pid 7314] write(3, "1000", 4 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7315] write(3, "1000", 4 [pid 7314] <... write resumed>) = 4 [pid 7312] close(14 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] unlink("./295/cgroup" [pid 7315] <... write resumed>) = 4 [pid 7314] close(3 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./301/cgroup.cpu", [pid 3484] close(3 [pid 7315] close(3 [pid 7314] <... close resumed>) = 0 [pid 7312] close(15 [pid 7315] <... close resumed>) = 0 [pid 7314] read(200, [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7315] read(200, [pid 7314] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] close(16 [pid 7315] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7314] symlink("/dev/binderfs", "./binderfs" [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./301/cgroup.cpu" [pid 3484] rmdir("./300" [pid 3483] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7315] symlink("/dev/binderfs", "./binderfs" [pid 7314] <... symlink resumed>) = 0 [pid 7312] close(17 [pid 3485] <... unlink resumed>) = 0 [pid 7315] <... symlink resumed>) = 0 [pid 7314] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7315] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 7312] close(18 [pid 3485] getdents64(3, [pid 3484] mkdir("./301", 0777 [pid 7315] <... futex resumed>) = 0 [pid 7314] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] lstat("./295/cgroup.net", [pid 7315] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7314] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7312] close(19 [pid 7315] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7314] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] close(3 [pid 7315] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7314] <... mprotect resumed>) = 0 [pid 7312] close(20 [pid 7315] <... mprotect resumed>) = 0 [pid 7314] 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 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... close resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] unlink("./295/cgroup.net"./strace-static-x86_64: Process 7316 attached [pid 7315] 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 7312] close(21 [pid 3485] rmdir("./301"./strace-static-x86_64: Process 7318 attached ./strace-static-x86_64: Process 7317 attached [pid 7314] <... clone resumed>, parent_tid=[581], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 581 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] set_robust_list(0x5555562645e0, 24 [pid 7317] set_robust_list(0x7fa7c8c309e0, 24 [pid 7316] set_robust_list(0x7fa7c8c309e0, 24 [pid 7315] <... clone resumed>, parent_tid=[623], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 623 [pid 7314] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7312] close(22 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7318] <... set_robust_list resumed>) = 0 [pid 7317] <... set_robust_list resumed>) = 0 [pid 7315] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7314] <... futex resumed>) = 0 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] chdir("./301" [pid 7317] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7316] <... set_robust_list resumed>) = 0 [pid 7315] <... futex resumed>) = 0 [pid 7314] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] close(23 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 604 [pid 3483] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] <... chdir resumed>) = 0 [pid 7317] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7315] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./302", 0777 [pid 7318] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7317] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7316] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7312] close(24 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7318] <... prctl resumed>) = 0 [pid 7317] <... futex resumed>) = 0 [pid 7315] close(3 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] setpgid(0, 0 [pid 7317] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7316] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7312] close(25 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] lstat("./295/cgroup.cpu", [pid 7318] <... setpgid resumed>) = 0 [pid 7316] <... futex resumed>) = 1 [pid 7315] close(4 [pid 7314] <... futex resumed>) = 0 [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(3 [pid 7312] close(26 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7318] <... symlink resumed>) = 0 [pid 7316] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7315] close(5 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] unlink("./295/cgroup.cpu" [pid 7318] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(4 [pid 7312] close(27 [pid 7318] <... symlink resumed>) = 0 [pid 7315] close(6 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7319 attached [pid 7318] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(5 [pid 7312] close(28 [pid 3483] getdents64(3, [pid 7319] set_robust_list(0x5555562645e0, 24 [pid 7318] <... symlink resumed>) = 0 [pid 7315] close(7 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 606 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7319] <... set_robust_list resumed>) = 0 [pid 7318] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(6 [pid 7312] close(29 [pid 7319] chdir("./302" [pid 7318] <... openat resumed>) = 3 [pid 7315] close(8 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7312] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7319] <... chdir resumed>) = 0 [pid 7318] write(3, "1000", 4 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(7 [pid 7312] exit_group(0 [pid 7319] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7318] <... write resumed>) = 4 [pid 7315] close(9 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7313] <... futex resumed>) = ? [pid 7312] <... exit_group resumed>) = ? [pid 3483] <... close resumed>) = 0 [pid 7319] <... prctl resumed>) = 0 [pid 7318] close(3 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(8 [pid 7313] +++ exited with 0 +++ [pid 7312] +++ exited with 0 +++ [pid 3483] rmdir("./295" [pid 7319] setpgid(0, 0 [pid 7318] <... close resumed>) = 0 [pid 7315] close(10 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] <... setpgid resumed>) = 0 [pid 7318] read(200, [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(9 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 7319] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7318] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] close(11 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 3483] <... rmdir resumed>) = 0 [pid 7319] <... symlink resumed>) = 0 [pid 7318] symlink("/dev/binderfs", "./binderfs" [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(10 [pid 3486] <... restart_syscall resumed>) = 0 [pid 7319] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7318] <... symlink resumed>) = 0 [pid 7315] close(12 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./296", 0777 [pid 7319] <... symlink resumed>) = 0 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(11 [pid 3483] <... mkdir resumed>) = 0 [pid 7315] close(13 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7320 attached [pid 7319] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7318] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7320] set_robust_list(0x5555562645e0, 24 [pid 7315] close(14 [pid 7314] close(12 [pid 3486] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7318] <... futex resumed>) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 594 [pid 7320] <... set_robust_list resumed>) = 0 [pid 7319] <... symlink resumed>) = 0 [pid 7318] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7320] chdir("./296" [pid 7319] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7318] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7315] close(15 [pid 7314] close(13 [pid 3486] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7320] <... chdir resumed>) = 0 [pid 7319] <... openat resumed>) = 3 [pid 7318] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7320] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3486] <... openat resumed>) = 3 [pid 7320] <... prctl resumed>) = 0 [pid 7319] write(3, "1000", 4 [pid 7318] <... mprotect resumed>) = 0 [pid 7315] close(16 [pid 7314] close(14 [pid 3486] fstat(3, [pid 7320] setpgid(0, 0 [pid 7319] <... write resumed>) = 4 [pid 7318] 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 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7321 attached [pid 7320] <... setpgid resumed>) = 0 [pid 7315] close(17 [pid 7314] close(15 [pid 3486] getdents64(3, [pid 7319] close(3 [pid 7320] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7321] set_robust_list(0x7fa7c8c309e0, 24 [pid 7318] <... clone resumed>, parent_tid=[605], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 605 [pid 7315] close(18 [pid 7314] close(16 [pid 3486] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] <... symlink resumed>) = 0 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7321] <... set_robust_list resumed>) = 0 [pid 7320] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7319] <... close resumed>) = 0 [pid 7318] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7315] close(19 [pid 7314] close(17 [pid 7321] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7320] <... symlink resumed>) = 0 [pid 7319] read(200, [pid 7318] <... futex resumed>) = 0 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./307/binderfs", [pid 7321] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7320] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7319] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7315] close(20 [pid 7314] close(18 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7321] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] <... symlink resumed>) = 0 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7321] <... futex resumed>) = 0 [pid 7319] symlink("/dev/binderfs", "./binderfs" [pid 7318] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./307/binderfs" [pid 7320] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7314] close(19 [pid 7321] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7318] close(3 [pid 7319] <... symlink resumed>) = 0 [pid 7315] close(21 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... unlink resumed>) = 0 [pid 7320] <... openat resumed>) = 3 [pid 7319] <... futex resumed>) = 0 [pid 7318] close(4 [pid 7315] close(22 [pid 7314] close(20 [pid 3486] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] write(3, "1000", 4 [pid 7319] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7320] <... write resumed>) = 4 [pid 7319] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7318] close(5 [pid 7315] close(23 [pid 7314] close(21 [pid 3486] lstat("./307/cgroup", [pid 7320] close(3 [pid 7319] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] <... mprotect resumed>) = 0 [pid 7319] 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 7318] close(6 [pid 7315] close(24 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7320] <... close resumed>) = 0 ./strace-static-x86_64: Process 7322 attached [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(22 [pid 7320] read(200, [pid 3486] unlink("./307/cgroup" [pid 7322] set_robust_list(0x7fa7c8c309e0, 24 [pid 7320] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7319] <... clone resumed>, parent_tid=[607], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 607 [pid 7318] close(7 [pid 7315] close(25 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7322] <... set_robust_list resumed>) = 0 [pid 7319] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(23 [pid 3486] <... unlink resumed>) = 0 [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7320] symlink("/dev/binderfs", "./binderfs" [pid 7322] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7319] <... futex resumed>) = 0 [pid 7318] close(8 [pid 7315] close(26 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7322] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7320] <... symlink resumed>) = 0 [pid 7319] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(24 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7322] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7318] close(9 [pid 7315] close(27 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7322] <... futex resumed>) = 0 [pid 7320] <... futex resumed>) = 0 [pid 7319] close(3 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(25 [pid 3486] lstat("./307/cgroup.net", [pid 7322] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(10 [pid 7315] close(28 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(4) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(26 [pid 7320] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7319] close(5 [pid 7320] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7318] close(11 [pid 7315] close(29 [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./307/cgroup.net" [pid 7320] <... mprotect resumed>) = 0 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(27 [pid 7319] close(6 [pid 7315] exit_group(0 [pid 7318] close(12 [pid 3486] <... unlink resumed>) = 0 [pid 7320] 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 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7315] <... exit_group resumed>) = ? [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7317] <... futex resumed>) = ? ./strace-static-x86_64: Process 7323 attached [pid 7319] close(7 [pid 7318] close(13 [pid 3486] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7323] set_robust_list(0x7fa7c8c309e0, 24 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7323] <... set_robust_list resumed>) = 0 [pid 7319] close(8 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(28 [pid 7320] <... clone resumed>, parent_tid=[595], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 595 [pid 7323] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(14 [pid 7317] +++ exited with 0 +++ [pid 7315] +++ exited with 0 +++ [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7323] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] <... futex resumed>) = 0 [pid 7319] close(9 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7314] close(29 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7323] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7320] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(15 [pid 3486] lstat("./307/cgroup.cpu", [pid 7314] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7323] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(10 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7323] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(16 [pid 7314] exit_group(0 [pid 3487] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7323] <... futex resumed>) = 1 [pid 7320] <... futex resumed>) = 0 [pid 7319] close(11 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7316] <... futex resumed>) = ? [pid 7314] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7323] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7320] close(3 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(17 [pid 7316] +++ exited with 0 +++ [pid 3487] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] unlink("./307/cgroup.cpu" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(12 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 7320] close(4 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3486] <... unlink resumed>) = 0 [pid 7318] close(18 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(13 [pid 7314] +++ exited with 0 +++ [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] getdents64(3, [pid 7320] close(5 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(14 [pid 7318] close(19 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=580, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7320] close(6 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] close(3 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(15 [pid 7318] close(20 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... close resumed>) = 0 [pid 7320] close(7 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./310/binderfs", [pid 3486] rmdir("./307" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(16 [pid 7318] close(21 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7320] close(8 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./310/binderfs" [pid 3486] <... rmdir resumed>) = 0 [pid 3482] umount2("./289", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(17 [pid 7318] close(22 [pid 3487] <... unlink resumed>) = 0 [pid 3486] mkdir("./308", 0777 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7320] close(9 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... mkdir resumed>) = 0 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(18 [pid 7318] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] openat(AT_FDCWD, "./289", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7324 attached [pid 7320] close(10 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./310/cgroup", [pid 3482] <... openat resumed>) = 3 [pid 7324] set_robust_list(0x5555562645e0, 24 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(19 [pid 7318] close(24 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 618 [pid 7324] <... set_robust_list resumed>) = 0 [pid 7320] close(11 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./310/cgroup" [pid 3482] fstat(3, [pid 7324] chdir("./308" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(20 [pid 7318] close(25 [pid 3487] <... unlink resumed>) = 0 [pid 7324] <... chdir resumed>) = 0 [pid 7320] close(12 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7324] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(21 [pid 7318] close(26 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7324] <... prctl resumed>) = 0 [pid 7320] close(13 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./310/cgroup.net", [pid 3482] getdents64(3, [pid 7324] setpgid(0, 0 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(22 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7324] <... setpgid resumed>) = 0 [pid 7320] close(14 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(27 [pid 3487] unlink("./310/cgroup.net" [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7324] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(23 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3482] umount2("./289/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7324] <... symlink resumed>) = 0 [pid 7320] close(15 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(28 [pid 3487] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7324] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(24 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7324] <... symlink resumed>) = 0 [pid 7320] close(16 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] close(29 [pid 3487] lstat("./310/cgroup.cpu", [pid 3482] lstat("./289/binderfs", [pid 7324] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(25 [pid 7318] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... 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 7318] exit_group(0 [pid 3482] unlink("./289/binderfs" [pid 7324] <... symlink resumed>) = 0 [pid 7321] <... futex resumed>) = ? [pid 7320] close(17 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7318] <... exit_group resumed>) = ? [pid 3487] unlink("./310/cgroup.cpu" [pid 3482] <... unlink resumed>) = 0 [pid 7324] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7321] +++ exited with 0 +++ [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(26 [pid 7318] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3482] umount2("./289/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7324] <... openat resumed>) = 3 [pid 7320] close(18 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 7324] write(3, "1000", 4 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(27 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] lstat("./289/cgroup", [pid 7324] <... write resumed>) = 4 [pid 7320] close(19 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 7324] close(3 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(28 [pid 3487] <... close resumed>) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7324] <... close resumed>) = 0 [pid 7320] close(20 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./310" [pid 7324] read(200, [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] close(29 [pid 3487] <... rmdir resumed>) = 0 [pid 3482] unlink("./289/cgroup" [pid 7324] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7320] close(21 [pid 7319] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./311", 0777 [pid 3484] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7324] symlink("/dev/binderfs", "./binderfs" [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] exit_group(0 [pid 3487] <... mkdir resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7324] <... symlink resumed>) = 0 [pid 7322] <... futex resumed>) = ? [pid 7320] close(22 [pid 7319] <... exit_group resumed>) = ? [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7325 attached [pid 7324] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7322] +++ exited with 0 +++ [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7319] +++ exited with 0 +++ [pid 3484] <... openat resumed>) = 3 [pid 7325] set_robust_list(0x5555562645e0, 24 [pid 7324] <... futex resumed>) = 0 [pid 7320] close(23 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 624 [pid 3484] fstat(3, [pid 3482] umount2("./289/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] <... set_robust_list resumed>) = 0 [pid 7324] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, 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 7325] chdir("./311" [pid 7324] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7320] close(24 [pid 3485] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... chdir resumed>) = 0 [pid 7324] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7325] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7324] <... mprotect resumed>) = 0 [pid 7320] close(25 [pid 3485] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./289/cgroup.net", [pid 7325] <... prctl resumed>) = 0 [pid 7324] 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 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... openat resumed>) = 3 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] setpgid(0, 0 [pid 7320] close(26 [pid 3485] fstat(3, [pid 3484] lstat("./301/binderfs", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7326 attached [pid 7325] <... setpgid resumed>) = 0 [pid 7324] <... clone resumed>, parent_tid=[619], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 619 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./289/cgroup.net" [pid 7326] set_robust_list(0x7fa7c8c309e0, 24 [pid 7325] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7324] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7320] close(27 [pid 3485] getdents64(3, [pid 3484] unlink("./301/binderfs" [pid 7326] <... set_robust_list resumed>) = 0 [pid 7325] <... symlink resumed>) = 0 [pid 7324] <... futex resumed>) = 0 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7326] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7325] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7324] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7320] close(28 [pid 3485] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7326] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... symlink resumed>) = 0 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./289/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7326] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7320] close(29 [pid 3485] lstat("./302/binderfs", [pid 3484] lstat("./301/cgroup", [pid 7326] <... futex resumed>) = 1 [pid 7325] <... symlink resumed>) = 0 [pid 7324] <... futex resumed>) = 0 [pid 7320] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7326] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7324] close(3 [pid 7320] exit_group(0 [pid 3485] unlink("./302/binderfs" [pid 3484] unlink("./301/cgroup" [pid 7325] <... openat resumed>) = 3 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7323] <... futex resumed>) = ? [pid 7320] <... exit_group resumed>) = ? [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] lstat("./289/cgroup.cpu", [pid 7325] write(3, "1000", 4 [pid 7324] close(4 [pid 7323] +++ exited with 0 +++ [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./289/cgroup.cpu" [pid 7325] <... write resumed>) = 4 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7320] +++ exited with 0 +++ [pid 3485] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7325] close(3 [pid 7324] close(5 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7325] <... close resumed>) = 0 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./302/cgroup", [pid 3484] lstat("./301/cgroup.net", [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3482] getdents64(3, [pid 7325] read(200, [pid 7324] close(6 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 7325] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./302/cgroup" [pid 3484] unlink("./301/cgroup.net" [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7325] symlink("/dev/binderfs", "./binderfs" [pid 7324] close(7 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7325] <... symlink resumed>) = 0 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] close(3 [pid 7325] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] close(8 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7325] <... futex resumed>) = 0 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./302/cgroup.net", [pid 3484] lstat("./301/cgroup.cpu", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... close resumed>) = 0 [pid 7325] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7324] close(9 [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] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] rmdir("./289" [pid 7325] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./302/cgroup.net" [pid 3484] unlink("./301/cgroup.cpu" [pid 3483] <... openat resumed>) = 3 [pid 7325] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7324] close(10 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] fstat(3, [pid 3482] <... rmdir resumed>) = 0 [pid 7325] <... mprotect resumed>) = 0 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7325] 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 7324] close(11 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] getdents64(3, [pid 3482] mkdir("./290", 0777./strace-static-x86_64: Process 7327 attached [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./302/cgroup.cpu", [pid 3484] close(3 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7327] set_robust_list(0x7fa7c8c309e0, 24 [pid 7325] <... clone resumed>, parent_tid=[625], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 625 [pid 7324] close(12 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7327] <... set_robust_list resumed>) = 0 [pid 7325] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./302/cgroup.cpu" [pid 3484] rmdir("./301" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... mkdir resumed>) = 0 [pid 7327] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7325] <... futex resumed>) = 0 [pid 7324] close(13 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] lstat("./296/binderfs", [pid 7327] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] getdents64(3, [pid 3484] mkdir("./302", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7327] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7324] close(14 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] unlink("./296/binderfs"./strace-static-x86_64: Process 7328 attached [pid 7327] <... futex resumed>) = 0 [pid 7325] close(3 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7329 attached [pid 7328] set_robust_list(0x5555562645e0, 24 [pid 7327] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(15 [pid 3485] <... close resumed>) = 0 [pid 3483] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 582 [pid 7329] set_robust_list(0x5555562645e0, 24 [pid 7328] <... set_robust_list resumed>) = 0 [pid 7325] close(4 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] rmdir("./302" [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 606 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7329] <... set_robust_list resumed>) = 0 [pid 7328] chdir("./290" [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(16 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] lstat("./296/cgroup", [pid 7329] chdir("./302" [pid 7328] <... chdir resumed>) = 0 [pid 7325] close(5 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] mkdir("./303", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7329] <... chdir resumed>) = 0 [pid 7328] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(17 [pid 3485] <... mkdir resumed>) = 0 [pid 3483] unlink("./296/cgroup" [pid 7329] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7328] <... prctl resumed>) = 0 [pid 7325] close(6 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7330 attached [pid 7329] <... prctl resumed>) = 0 [pid 7328] setpgid(0, 0 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(18 [pid 3483] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7330] set_robust_list(0x5555562645e0, 24 [pid 7329] setpgid(0, 0 [pid 7328] <... setpgid resumed>) = 0 [pid 7325] close(7 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 608 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7330] <... set_robust_list resumed>) = 0 [pid 7329] <... setpgid resumed>) = 0 [pid 7328] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(19 [pid 3483] lstat("./296/cgroup.net", [pid 7330] chdir("./303" [pid 7329] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7328] <... symlink resumed>) = 0 [pid 7325] close(8 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7330] <... chdir resumed>) = 0 [pid 7329] <... symlink resumed>) = 0 [pid 7328] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(20 [pid 3483] unlink("./296/cgroup.net" [pid 7330] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7329] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7328] <... symlink resumed>) = 0 [pid 7325] close(9 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] <... prctl resumed>) = 0 [pid 7329] <... symlink resumed>) = 0 [pid 7328] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(21 [pid 3483] <... unlink resumed>) = 0 [pid 7330] setpgid(0, 0 [pid 7325] close(10 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7330] <... setpgid resumed>) = 0 [pid 7329] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7328] <... symlink resumed>) = 0 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(22 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7330] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7325] close(11 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./296/cgroup.cpu", [pid 7330] <... symlink resumed>) = 0 [pid 7329] <... symlink resumed>) = 0 [pid 7328] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(23 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7330] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7329] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7328] <... openat resumed>) = 3 [pid 7325] close(12 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./296/cgroup.cpu" [pid 7330] <... symlink resumed>) = 0 [pid 7329] <... openat resumed>) = 3 [pid 7328] write(3, "1000", 4 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(24 [pid 3483] <... unlink resumed>) = 0 [pid 7330] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7329] write(3, "1000", 4 [pid 7328] <... write resumed>) = 4 [pid 7325] close(13 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7330] <... symlink resumed>) = 0 [pid 7329] <... write resumed>) = 4 [pid 7328] close(3 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(25 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7330] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7329] close(3 [pid 7328] <... close resumed>) = 0 [pid 7325] close(14 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7329] <... close resumed>) = 0 [pid 7328] read(200, [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(26 [pid 3483] <... close resumed>) = 0 [pid 7330] <... openat resumed>) = 3 [pid 7329] read(200, [pid 7328] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] close(15 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./296" [pid 7330] write(3, "1000", 4 [pid 7329] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7328] symlink("/dev/binderfs", "./binderfs" [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(27 [pid 3483] <... rmdir resumed>) = 0 [pid 7329] symlink("/dev/binderfs", "./binderfs" [pid 7325] close(16 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] mkdir("./297", 0777 [pid 7330] <... write resumed>) = 4 [pid 7329] <... symlink resumed>) = 0 [pid 7328] <... symlink resumed>) = 0 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(28 [pid 3483] <... mkdir resumed>) = 0 [pid 7330] close(3 [pid 7329] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] close(17 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7331 attached [pid 7330] <... close resumed>) = 0 [pid 7329] <... futex resumed>) = 0 [pid 7328] <... futex resumed>) = 0 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] close(29 [pid 7331] set_robust_list(0x5555562645e0, 24 [pid 7330] read(200, [pid 7329] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7328] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7325] close(18 [pid 7324] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 596 [pid 7331] <... set_robust_list resumed>) = 0 [pid 7330] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7328] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7324] exit_group(0 [pid 7331] chdir("./297" [pid 7330] symlink("/dev/binderfs", "./binderfs" [pid 7329] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7328] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7326] <... futex resumed>) = ? [pid 7325] close(19 [pid 7324] <... exit_group resumed>) = ? [pid 7331] <... chdir resumed>) = 0 [pid 7330] <... symlink resumed>) = 0 [pid 7329] <... mprotect resumed>) = 0 [pid 7328] <... mprotect resumed>) = 0 [pid 7326] +++ exited with 0 +++ [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7325] close(20 [pid 7324] +++ exited with 0 +++ [pid 7331] <... prctl resumed>) = 0 [pid 7330] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] 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 7328] 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 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 7332 attached [pid 7331] setpgid(0, 0 [pid 7325] close(21./strace-static-x86_64: Process 7333 attached [pid 7332] set_robust_list(0x7fa7c8c309e0, 24 [pid 7331] <... setpgid resumed>) = 0 [pid 7330] <... futex resumed>) = 0 [pid 7329] <... clone resumed>, parent_tid=[607], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 607 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7333] set_robust_list(0x7fa7c8c309e0, 24 [pid 7332] <... set_robust_list resumed>) = 0 [pid 7331] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7330] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7329] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7328] <... clone resumed>, parent_tid=[583], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 583 [pid 7325] close(22 [pid 3486] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7333] <... set_robust_list resumed>) = 0 [pid 7332] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7333] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7332] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] <... symlink resumed>) = 0 [pid 7330] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7329] <... futex resumed>) = 0 [pid 7328] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7325] close(23 [pid 3486] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7333] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7332] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7330] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7329] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7328] <... futex resumed>) = 0 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... openat resumed>) = 3 [pid 7333] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7332] <... futex resumed>) = 0 [pid 7330] <... mprotect resumed>) = 0 [pid 7325] close(24 [pid 3486] fstat(3, [pid 7333] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7332] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7328] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7330] 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 7329] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) ./strace-static-x86_64: Process 7334 attached [pid 7333] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... symlink resumed>) = 0 [pid 7328] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7325] close(25 [pid 3486] getdents64(3, [pid 7334] set_robust_list(0x7fa7c8c309e0, 24 [pid 7333] <... futex resumed>) = 0 [pid 7331] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7330] <... clone resumed>, parent_tid=[609], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 609 [pid 7329] close(3 [pid 7328] close(3 [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7334] <... set_robust_list resumed>) = 0 [pid 7333] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7330] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] close(26 [pid 3486] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7331] <... symlink resumed>) = 0 [pid 7334] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7330] <... futex resumed>) = 0 [pid 7329] close(4 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7334] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7330] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(4 [pid 7325] close(27 [pid 3486] lstat("./308/binderfs", [pid 7334] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... openat resumed>) = 3 [pid 7330] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7329] close(5 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7334] <... futex resumed>) = 0 [pid 7331] write(3, "1000", 4 [pid 7330] close(3 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(5 [pid 7325] close(28 [pid 3486] unlink("./308/binderfs" [pid 7334] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] <... write resumed>) = 4 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(6 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7331] close(3 [pid 7330] close(4 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(6 [pid 7325] close(29 [pid 3486] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7331] <... close resumed>) = 0 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(7 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7331] read(200, [pid 7330] close(5 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(7 [pid 7325] exit_group(0 [pid 3486] lstat("./308/cgroup", [pid 7331] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(8 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7327] <... futex resumed>) = ? [pid 7325] <... exit_group resumed>) = ? [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7331] symlink("/dev/binderfs", "./binderfs" [pid 7330] close(6 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(8 [pid 7331] <... symlink resumed>) = 0 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(9 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] close(7 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(9 [pid 7327] +++ exited with 0 +++ [pid 7331] <... futex resumed>) = 0 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(10 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7330] close(8 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(10 [pid 7331] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(11 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7325] +++ exited with 0 +++ [pid 3486] unlink("./308/cgroup" [pid 7331] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7330] close(9 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(11 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7331] <... mprotect resumed>) = 0 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(12 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7331] 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 7330] close(10 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(12./strace-static-x86_64: Process 7335 attached [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(13 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7335] set_robust_list(0x7fa7c8c309e0, 24 [pid 7331] <... clone resumed>, parent_tid=[597], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 597 [pid 7330] close(11 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(13 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7335] <... set_robust_list resumed>) = 0 [pid 7331] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(14 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7331] <... futex resumed>) = 0 [pid 7330] close(12 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(14 [pid 3486] lstat("./308/cgroup.net", [pid 7335] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(15 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7331] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7330] close(13 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(15 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7335] <... futex resumed>) = 0 [pid 7331] close(3 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(16 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7335] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(14 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(16 [pid 3487] umount2("./311", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] unlink("./308/cgroup.net" [pid 7331] close(4 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(17 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(15 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(17 [pid 7331] close(5 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(18 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... unlink resumed>) = 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(16 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(18 [pid 7331] close(6 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(19 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(17 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(19 [pid 3487] fstat(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7331] close(7 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(20 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(18 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(20 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] lstat("./308/cgroup.cpu", [pid 7331] close(8 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(21 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(19 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(21 [pid 3487] getdents64(3, [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7331] close(9 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(22 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] unlink("./308/cgroup.cpu" [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(20 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(22 [pid 3487] umount2("./311/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7331] close(10 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(23 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(21 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(23 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] getdents64(3, [pid 7331] close(11 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(24 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./311/binderfs", [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(22 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(24 [pid 7331] close(12 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(25 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(23 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(25 [pid 7331] close(13 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(26 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(24 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7331] close(14 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(27 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./311/binderfs" [pid 3486] close(3 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(25 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(27 [pid 7331] close(15 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(28 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... close resumed>) = 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(26 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(28 [pid 3487] umount2("./311/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] rmdir("./308" [pid 7331] close(16 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] close(29 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(27 [pid 7329] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7328] close(29 [pid 3487] lstat("./311/cgroup", [pid 3486] <... rmdir resumed>) = 0 [pid 7331] close(17 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] exit_group(0 [pid 7328] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7332] <... futex resumed>) = ? [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(28 [pid 7329] <... exit_group resumed>) = ? [pid 7328] exit_group(0 [pid 3487] unlink("./311/cgroup" [pid 7333] <... futex resumed>) = ? [pid 7332] +++ exited with 0 +++ [pid 7331] close(18 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7329] +++ exited with 0 +++ [pid 7328] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 3486] mkdir("./309", 0777 [pid 7333] +++ exited with 0 +++ [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] close(29 [pid 7328] +++ exited with 0 +++ [pid 3487] umount2("./311/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7331] close(19 [pid 7330] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=582, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] exit_group(0 [pid 3487] lstat("./311/cgroup.net", [pid 3486] <... mkdir resumed>) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 7334] <... futex resumed>) = ? [pid 7331] close(20 [pid 7330] <... exit_group resumed>) = ? [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 7336 attached [pid 7334] +++ exited with 0 +++ [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7330] +++ exited with 0 +++ [pid 3487] unlink("./311/cgroup.net" [pid 3482] umount2("./290", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] set_robust_list(0x5555562645e0, 24 [pid 7331] close(21 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 620 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3484] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7336] <... set_robust_list resumed>) = 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./290", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7336] chdir("./309" [pid 7331] close(22 [pid 3487] umount2("./311/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] <... chdir resumed>) = 0 [pid 7331] close(23 [pid 3487] lstat("./311/cgroup.cpu", [pid 3484] <... openat resumed>) = 3 [pid 3482] fstat(3, [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] fstat(3, [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7336] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7331] close(24 [pid 3487] unlink("./311/cgroup.cpu" [pid 3485] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7336] <... prctl resumed>) = 0 [pid 3482] getdents64(3, [pid 7336] setpgid(0, 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... openat resumed>) = 3 [pid 3484] getdents64(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7336] <... setpgid resumed>) = 0 [pid 7331] close(25 [pid 3487] <... unlink resumed>) = 0 [pid 3485] fstat(3, [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] umount2("./290/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7336] <... symlink resumed>) = 0 [pid 7331] close(26 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./290/binderfs", [pid 3484] lstat("./302/binderfs", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./290/binderfs" [pid 7336] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7331] close(27 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./302/binderfs" [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... unlink resumed>) = 0 [pid 7331] close(28 [pid 3487] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] lstat("./303/binderfs", [pid 3484] <... unlink resumed>) = 0 [pid 7336] <... symlink resumed>) = 0 [pid 7331] close(29 [pid 3487] rmdir("./311" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./290/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7331] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./303/binderfs" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7336] <... symlink resumed>) = 0 [pid 7331] exit_group(0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./290/cgroup", [pid 7336] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7335] <... futex resumed>) = ? [pid 7331] <... exit_group resumed>) = ? [pid 3487] mkdir("./312", 0777 [pid 3485] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./302/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7336] <... openat resumed>) = 3 [pid 7335] +++ exited with 0 +++ [pid 3487] <... mkdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7336] write(3, "1000", 4 [pid 3485] lstat("./303/cgroup", [pid 7331] +++ exited with 0 +++ [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] unlink("./290/cgroup" [pid 7336] <... write resumed>) = 4 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] unlink("./302/cgroup" [pid 3482] <... unlink resumed>) = 0 [pid 3485] unlink("./303/cgroup" [pid 3484] <... unlink resumed>) = 0 [pid 3482] umount2("./290/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7336] close(3) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7337 attached [pid 7336] read(200, [pid 3485] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=596, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] lstat("./290/cgroup.net", [pid 7337] set_robust_list(0x5555562645e0, 24 [pid 7336] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 626 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./302/cgroup.net", [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7337] <... set_robust_list resumed>) = 0 [pid 7336] symlink("/dev/binderfs", "./binderfs" [pid 3485] lstat("./303/cgroup.net", [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] unlink("./290/cgroup.net" [pid 7337] chdir("./312" [pid 7336] <... symlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] unlink("./302/cgroup.net" [pid 3482] <... unlink resumed>) = 0 [pid 7337] <... chdir resumed>) = 0 [pid 7336] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] unlink("./303/cgroup.net" [pid 3484] <... unlink resumed>) = 0 [pid 3482] umount2("./290/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7337] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7336] <... futex resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] umount2("./297", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7337] <... prctl resumed>) = 0 [pid 7336] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7337] setpgid(0, 0 [pid 7336] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./297", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] lstat("./290/cgroup.cpu", [pid 7337] <... setpgid resumed>) = 0 [pid 7336] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] lstat("./303/cgroup.cpu", [pid 3484] lstat("./302/cgroup.cpu", [pid 3483] <... openat resumed>) = 3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7337] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7336] <... mprotect 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] fstat(3, [pid 3482] unlink("./290/cgroup.cpu" [pid 7337] <... symlink resumed>) = 0 [pid 7336] 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("./303/cgroup.cpu" [pid 3484] unlink("./302/cgroup.cpu" [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7338 attached [pid 7337] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3483] getdents64(3, [pid 3482] getdents64(3, [pid 7338] set_robust_list(0x7fa7c8c309e0, 24) = 0 [pid 7338] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] <... symlink resumed>) = 0 [pid 7336] <... clone resumed>, parent_tid=[621], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 621 [pid 3485] getdents64(3, [pid 3484] getdents64(3, [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7337] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7336] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./297/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] close(3 [pid 7338] <... futex resumed>) = 0 [pid 7337] <... symlink resumed>) = 0 [pid 7336] <... futex resumed>) = 1 [pid 3485] close(3 [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... close resumed>) = 0 [pid 7338] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7337] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7336] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] <... close resumed>) = 0 [pid 3484] <... close resumed>) = 0 [pid 3483] lstat("./297/binderfs", [pid 3482] rmdir("./290" [pid 7338] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... openat resumed>) = 3 [pid 3485] rmdir("./303" [pid 3484] rmdir("./302" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7338] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] write(3, "1000", 4 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] unlink("./297/binderfs" [pid 3482] mkdir("./291", 0777 [pid 7338] <... futex resumed>) = 1 [pid 7337] <... write resumed>) = 4 [pid 7336] <... futex resumed>) = 0 [pid 3485] mkdir("./304", 0777 [pid 3484] mkdir("./303", 0777 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7338] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7337] close(3 [pid 7336] close(3) = -1 EBADF (Bad file descriptor) [pid 3485] <... mkdir resumed>) = 0 [pid 7337] <... close resumed>) = 0 [pid 7336] close(4 [pid 7337] read(200, [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] <... mkdir resumed>) = 0 [pid 3483] umount2("./297/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7337] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7336] close(5 [pid 7337] symlink("/dev/binderfs", "./binderfs" [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7337] <... symlink resumed>) = 0 [pid 7336] close(6 [pid 3483] lstat("./297/cgroup", [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7336] close(7 [pid 7337] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... futex resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] unlink("./297/cgroup"./strace-static-x86_64: Process 7341 attached ./strace-static-x86_64: Process 7340 attached ./strace-static-x86_64: Process 7339 attached [pid 7337] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7336] close(8 [pid 3483] <... unlink resumed>) = 0 [pid 7341] set_robust_list(0x5555562645e0, 24 [pid 7340] set_robust_list(0x5555562645e0, 24 [pid 7339] set_robust_list(0x5555562645e0, 24 [pid 7337] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 610 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 608 [pid 3483] umount2("./297/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 584 [pid 7341] <... set_robust_list resumed>) = 0 [pid 7340] <... set_robust_list resumed>) = 0 [pid 7339] <... set_robust_list resumed>) = 0 [pid 7337] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7336] close(9 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7341] chdir("./303" [pid 7340] chdir("./304" [pid 7339] chdir("./291" [pid 7337] <... mprotect resumed>) = 0 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./297/cgroup.net", [pid 7341] <... chdir resumed>) = 0 [pid 7340] <... chdir resumed>) = 0 [pid 7339] <... chdir resumed>) = 0 [pid 7337] 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 7336] close(10./strace-static-x86_64: Process 7342 attached [pid 7341] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7340] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7339] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7342] set_robust_list(0x7fa7c8c309e0, 24 [pid 7341] <... prctl resumed>) = 0 [pid 7340] <... prctl resumed>) = 0 [pid 7339] <... prctl resumed>) = 0 [pid 7337] <... clone resumed>, parent_tid=[627], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 627 [pid 7336] close(11 [pid 3483] unlink("./297/cgroup.net" [pid 7342] <... set_robust_list resumed>) = 0 [pid 7341] setpgid(0, 0 [pid 7340] setpgid(0, 0 [pid 7339] setpgid(0, 0 [pid 7337] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7341] <... setpgid resumed>) = 0 [pid 7340] <... setpgid resumed>) = 0 [pid 7339] <... setpgid resumed>) = 0 [pid 7337] <... futex resumed>) = 0 [pid 7336] close(12 [pid 3483] umount2("./297/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7342] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7341] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7340] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7339] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7337] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7342] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] <... symlink resumed>) = 0 [pid 7340] <... symlink resumed>) = 0 [pid 7339] <... symlink resumed>) = 0 [pid 7336] close(13 [pid 3483] lstat("./297/cgroup.cpu", [pid 7342] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7340] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7339] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7342] <... futex resumed>) = 1 [pid 7341] <... symlink resumed>) = 0 [pid 7340] <... symlink resumed>) = 0 [pid 7339] <... symlink resumed>) = 0 [pid 7337] <... futex resumed>) = 0 [pid 7336] close(14 [pid 3483] unlink("./297/cgroup.cpu" [pid 7342] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7340] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7339] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7337] close(3 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7341] <... symlink resumed>) = 0 [pid 7340] <... symlink resumed>) = 0 [pid 7339] <... symlink resumed>) = 0 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(15 [pid 3483] getdents64(3, [pid 7341] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7340] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7339] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7337] close(4 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7341] <... openat resumed>) = 3 [pid 7340] <... openat resumed>) = 3 [pid 7339] <... openat resumed>) = 3 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(16 [pid 3483] close(3 [pid 7340] write(3, "1000", 4 [pid 7339] write(3, "1000", 4 [pid 7337] close(5 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... close resumed>) = 0 [pid 7341] write(3, "1000", 4 [pid 7340] <... write resumed>) = 4 [pid 7339] <... write resumed>) = 4 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(17 [pid 3483] rmdir("./297" [pid 7341] <... write resumed>) = 4 [pid 7340] close(3 [pid 7339] close(3 [pid 7337] close(6 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 7341] close(3 [pid 7340] <... close resumed>) = 0 [pid 7339] <... close resumed>) = 0 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(18 [pid 3483] mkdir("./298", 0777 [pid 7341] <... close resumed>) = 0 [pid 7340] read(200, [pid 7339] read(200, [pid 7337] close(7 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] read(200, [pid 7340] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(19 [pid 3483] <... mkdir resumed>) = 0 [pid 7341] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] symlink("/dev/binderfs", "./binderfs" [pid 7339] symlink("/dev/binderfs", "./binderfs" [pid 7337] close(8 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7341] symlink("/dev/binderfs", "./binderfs" [pid 7340] <... symlink resumed>) = 0 [pid 7341] <... symlink resumed>) = 0 [pid 7339] <... symlink resumed>) = 0 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(20./strace-static-x86_64: Process 7343 attached [pid 7341] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7340] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] close(9 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] set_robust_list(0x5555562645e0, 24 [pid 7341] <... futex resumed>) = 0 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... futex resumed>) = 0 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(21 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 598 [pid 7343] <... set_robust_list resumed>) = 0 [pid 7341] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7340] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7339] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7337] close(10 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] chdir("./298" [pid 7341] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7343] <... chdir resumed>) = 0 [pid 7341] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7340] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7339] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(22 [pid 7343] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7341] <... mprotect resumed>) = 0 [pid 7343] <... prctl resumed>) = 0 [pid 7341] 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 7340] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7339] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7337] close(11 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7344 attached [pid 7343] setpgid(0, 0 [pid 7340] <... mprotect resumed>) = 0 [pid 7339] <... mprotect resumed>) = 0 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(23 [pid 7344] set_robust_list(0x7fa7c8c309e0, 24 [pid 7343] <... setpgid resumed>) = 0 [pid 7341] <... clone resumed>, parent_tid=[609], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 609 [pid 7340] 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 7344] <... set_robust_list resumed>) = 0 [pid 7341] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7339] 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 7337] close(12 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7345 attached [pid 7344] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7341] <... futex resumed>) = 0 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(24./strace-static-x86_64: Process 7346 attached [pid 7345] set_robust_list(0x7fa7c8c309e0, 24 [pid 7344] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7341] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7340] <... clone resumed>, parent_tid=[611], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 611 [pid 7337] close(13 [pid 7346] set_robust_list(0x7fa7c8c309e0, 24 [pid 7345] <... set_robust_list resumed>) = 0 [pid 7344] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7340] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7346] <... set_robust_list resumed>) = 0 [pid 7345] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7344] <... futex resumed>) = 0 [pid 7343] <... symlink resumed>) = 0 [pid 7341] close(3 [pid 7340] <... futex resumed>) = 0 [pid 7339] <... clone resumed>, parent_tid=[585], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 585 [pid 7337] close(14 [pid 7336] close(25 [pid 7346] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7345] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7344] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7345] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] close(4 [pid 7340] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7339] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7337] close(15 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7346] <... futex resumed>) = 0 [pid 7345] <... futex resumed>) = 0 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(3 [pid 7339] <... futex resumed>) = 1 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(26 [pid 7346] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7345] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... symlink resumed>) = 0 [pid 7341] close(5 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] close(16 [pid 7346] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(4 [pid 7339] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7346] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7341] close(6 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7337] close(17 [pid 7336] close(27 [pid 7346] <... futex resumed>) = 0 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(5 [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7346] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... symlink resumed>) = 0 [pid 7341] close(7 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(3 [pid 7337] close(18 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(6 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(28 [pid 7343] <... openat resumed>) = 3 [pid 7341] close(8 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(4 [pid 7337] close(19 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] write(3, "1000", 4 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(7 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] close(29 [pid 7343] <... write resumed>) = 4 [pid 7341] close(9 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(5 [pid 7337] close(20 [pid 7336] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] close(3 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(8 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7336] exit_group(0 [pid 7343] <... close resumed>) = 0 [pid 7341] close(10 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(6 [pid 7338] <... futex resumed>) = ? [pid 7337] close(21 [pid 7336] <... exit_group resumed>) = ? [pid 7343] read(200, [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(9 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(11 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(7 [pid 7337] close(22 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(10 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] close(12 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(8 [pid 7338] +++ exited with 0 +++ [pid 7337] close(23 [pid 7336] +++ exited with 0 +++ [pid 7343] symlink("/dev/binderfs", "./binderfs" [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(11 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7341] close(13 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(9 [pid 7337] close(24 [pid 7343] <... symlink resumed>) = 0 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(12 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] close(14 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(10 [pid 7337] close(25 [pid 7343] <... futex resumed>) = 0 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(13 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7341] close(15 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(11 [pid 7337] close(26 [pid 7343] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(14 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7343] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7341] close(16 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(12 [pid 7337] close(27 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7343] <... mprotect resumed>) = 0 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(15 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7343] 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 7341] close(17 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(13 [pid 7337] close(28 [pid 3486] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7347 attached [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(16 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 7347] set_robust_list(0x7fa7c8c309e0, 24 [pid 7343] <... clone resumed>, parent_tid=[599], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 599 [pid 7341] close(18 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(14 [pid 7337] close(29 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7347] <... set_robust_list resumed>) = 0 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(17 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 7347] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7341] close(19 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(15 [pid 7337] exit_group(0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7347] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7343] <... futex resumed>) = 0 [pid 7342] <... futex resumed>) = ? [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(18 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7337] <... exit_group resumed>) = ? [pid 3486] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7347] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7343] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7342] +++ exited with 0 +++ [pid 7341] close(20 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(16 [pid 7337] +++ exited with 0 +++ [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7347] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(19 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3486] lstat("./309/binderfs", [pid 7347] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7343] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7341] close(21 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(17 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7347] <... futex resumed>) = 0 [pid 7343] close(3 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(20 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./309/binderfs" [pid 7347] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(22 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 7343] close(4 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(21 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(23 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(19 [pid 3487] umount2("./312", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7343] close(5 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(22 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./309/cgroup", [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(24 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(20 [pid 3487] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7343] close(6 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(23 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] unlink("./309/cgroup" [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(25 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(21 [pid 3487] fstat(3, [pid 3486] <... unlink resumed>) = 0 [pid 7343] close(7 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(24 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(26 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(22 [pid 3487] getdents64(3, [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7343] close(8 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(25 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] lstat("./309/cgroup.net", [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(27 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(23 [pid 3487] umount2("./312/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7343] close(9 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(26 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./309/cgroup.net" [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(28 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(24 [pid 3487] lstat("./312/binderfs", [pid 3486] <... unlink resumed>) = 0 [pid 7343] close(10 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(27 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] close(29 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(25 [pid 3487] unlink("./312/binderfs" [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7343] close(11 [pid 7341] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] close(28 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] lstat("./309/cgroup.cpu", [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] exit_group(0 [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(26 [pid 3487] umount2("./312/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7344] <... futex resumed>) = ? [pid 7343] close(12 [pid 7341] <... exit_group resumed>) = ? [pid 7340] close(29 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] unlink("./309/cgroup.cpu" [pid 7340] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] close(27 [pid 3487] lstat("./312/cgroup", [pid 3486] <... unlink resumed>) = 0 [pid 7344] +++ exited with 0 +++ [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7341] +++ exited with 0 +++ [pid 7340] exit_group(0 [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] getdents64(3, [pid 7345] <... futex resumed>) = ? [pid 7343] close(13 [pid 7340] <... exit_group resumed>) = ? [pid 7339] close(28 [pid 3487] unlink("./312/cgroup" [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7345] +++ exited with 0 +++ [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7340] +++ exited with 0 +++ [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] close(14 [pid 3487] <... unlink resumed>) = 0 [pid 3486] close(3 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 7343] close(15 [pid 3484] <... restart_syscall resumed>) = 0 [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7343] close(16 [pid 7339] close(29 [pid 3487] umount2("./312/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... close resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./309" [pid 3484] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7343] close(17 [pid 7339] exit_group(0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3484] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7343] close(18 [pid 3484] <... openat resumed>) = 3 [pid 7346] <... futex resumed>) = ? [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] mkdir("./310", 0777 [pid 3484] fstat(3, [pid 7346] +++ exited with 0 +++ [pid 7343] close(19 [pid 3487] lstat("./312/cgroup.net", [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] getdents64(3, [pid 7343] close(20 [pid 3487] unlink("./312/cgroup.net" [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7339] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7343] close(21 [pid 3487] umount2("./312/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7348 attached [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] lstat("./303/binderfs", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=584, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7343] close(22 [pid 3487] lstat("./312/cgroup.cpu", [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 622 [pid 3485] <... openat resumed>) = 3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7348] set_robust_list(0x5555562645e0, 24 [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] fstat(3, [pid 3484] unlink("./303/binderfs" [pid 3482] umount2("./291", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7348] <... set_robust_list resumed>) = 0 [pid 7343] close(23 [pid 3487] unlink("./312/cgroup.cpu" [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7348] chdir("./310" [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3484] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7348] <... chdir resumed>) = 0 [pid 7343] close(24 [pid 3487] getdents64(3, [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7348] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./303/cgroup", [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] openat(AT_FDCWD, "./291", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7348] <... prctl resumed>) = 0 [pid 7343] close(25 [pid 3487] close(3 [pid 3485] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7348] setpgid(0, 0 [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3484] unlink("./303/cgroup" [pid 3482] <... openat resumed>) = 3 [pid 7348] <... setpgid resumed>) = 0 [pid 7343] close(26 [pid 3487] rmdir("./312" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 7348] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3484] umount2("./303/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] fstat(3, [pid 7348] <... symlink resumed>) = 0 [pid 7343] close(27 [pid 3487] mkdir("./313", 0777 [pid 3485] lstat("./304/binderfs", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7348] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3484] lstat("./303/cgroup.net", [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7348] <... symlink resumed>) = 0 [pid 7343] close(28 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [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 ./strace-static-x86_64: Process 7349 attached [pid 7348] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./303/cgroup.net" [pid 3482] getdents64(3, [pid 7349] set_robust_list(0x5555562645e0, 24 [pid 7348] <... symlink resumed>) = 0 [pid 7343] close(29 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 628 [pid 3485] unlink("./304/binderfs" [pid 3484] <... unlink resumed>) = 0 [pid 7349] <... set_robust_list resumed>) = 0 [pid 7348] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7343] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./303/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7349] chdir("./313" [pid 7348] <... openat resumed>) = 3 [pid 7343] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7349] <... chdir resumed>) = 0 [pid 7348] write(3, "1000", 4 [pid 7343] <... exit_group resumed>) = ? [pid 3484] lstat("./303/cgroup.cpu", [pid 3482] umount2("./291/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7349] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7348] <... write resumed>) = 4 [pid 7347] <... futex resumed>) = ? [pid 3485] umount2("./304/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 7349] <... prctl resumed>) = 0 [pid 7348] close(3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./303/cgroup.cpu" [pid 3482] lstat("./291/binderfs", [pid 7349] setpgid(0, 0 [pid 7348] <... close resumed>) = 0 [pid 7347] +++ exited with 0 +++ [pid 7343] +++ exited with 0 +++ [pid 3485] lstat("./304/cgroup", [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7349] <... setpgid resumed>) = 0 [pid 7348] read(200, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./291/binderfs" [pid 7349] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7348] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] unlink("./304/cgroup" [pid 3484] getdents64(3, [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=598, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3482] <... unlink resumed>) = 0 [pid 7349] <... symlink resumed>) = 0 [pid 7348] symlink("/dev/binderfs", "./binderfs" [pid 3485] <... unlink resumed>) = 0 [pid 3482] umount2("./291/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] umount2("./298", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7348] <... symlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./291/cgroup", [pid 7349] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7348] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] lstat("./304/cgroup.net", [pid 3484] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] unlink("./291/cgroup" [pid 7349] <... symlink resumed>) = 0 [pid 7348] <... futex resumed>) = 0 [pid 3485] unlink("./304/cgroup.net" [pid 3484] <... close resumed>) = 0 [pid 3483] openat(AT_FDCWD, "./298", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... unlink resumed>) = 0 [pid 7349] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7348] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] <... unlink resumed>) = 0 [pid 3484] rmdir("./303" [pid 3482] umount2("./291/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... openat resumed>) = 3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7349] <... symlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./291/cgroup.net", [pid 3485] lstat("./304/cgroup.cpu", [pid 3482] <... 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 3484] <... rmdir resumed>) = 0 [pid 3482] unlink("./291/cgroup.net" [pid 7349] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7348] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3485] unlink("./304/cgroup.cpu" [pid 3484] mkdir("./304", 0777 [pid 3483] fstat(3, [pid 3482] <... unlink resumed>) = 0 [pid 7349] <... openat resumed>) = 3 [pid 7348] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] umount2("./291/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7349] write(3, "1000", 4 [pid 7348] <... mprotect resumed>) = 0 [pid 3485] getdents64(3, [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 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7350 attached [pid 7349] <... write resumed>) = 4 [pid 7348] 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] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] getdents64(3, [pid 3482] lstat("./291/cgroup.cpu", ./strace-static-x86_64: Process 7351 attached [pid 7350] set_robust_list(0x5555562645e0, 24 [pid 7349] close(3 [pid 3485] close(3 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 610 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7351] set_robust_list(0x7fa7c8c309e0, 24 [pid 7350] <... set_robust_list resumed>) = 0 [pid 7349] <... close resumed>) = 0 [pid 7348] <... clone resumed>, parent_tid=[623], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 623 [pid 3485] <... close resumed>) = 0 [pid 3483] umount2("./298/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./291/cgroup.cpu" [pid 7351] <... set_robust_list resumed>) = 0 [pid 7350] chdir("./304" [pid 7349] read(200, [pid 7348] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] rmdir("./304" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7351] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7350] <... chdir resumed>) = 0 [pid 7349] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7348] <... futex resumed>) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 3483] lstat("./298/binderfs", [pid 3482] getdents64(3, [pid 7351] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7349] symlink("/dev/binderfs", "./binderfs" [pid 7348] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3485] mkdir("./305", 0777 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7351] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... prctl resumed>) = 0 [pid 7349] <... symlink resumed>) = 0 [pid 7348] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... mkdir resumed>) = 0 [pid 3482] close(3 [pid 7351] <... futex resumed>) = 0 [pid 7350] setpgid(0, 0 [pid 7349] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] close(3 [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] unlink("./298/binderfs" [pid 3482] <... close resumed>) = 0 ./strace-static-x86_64: Process 7352 attached [pid 7351] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7350] <... setpgid resumed>) = 0 [pid 7349] <... futex resumed>) = 0 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] rmdir("./291" [pid 7352] set_robust_list(0x5555562645e0, 24 [pid 7350] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7349] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7348] close(4 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 612 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7352] <... set_robust_list resumed>) = 0 [pid 7350] <... symlink resumed>) = 0 [pid 7349] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3482] mkdir("./292", 0777 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./298/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7352] chdir("./305" [pid 7350] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7349] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7348] close(5 [pid 3482] <... mkdir resumed>) = 0 [pid 7352] <... chdir resumed>) = 0 [pid 7350] <... symlink resumed>) = 0 [pid 7349] <... mprotect 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 7353 attached [pid 7352] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7350] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7349] 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 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./298/cgroup", ./strace-static-x86_64: Process 7354 attached [pid 7353] set_robust_list(0x5555562645e0, 24 [pid 7352] <... prctl resumed>) = 0 [pid 7350] <... symlink resumed>) = 0 [pid 7348] close(6 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 586 [pid 7354] set_robust_list(0x7fa7c8c309e0, 24 [pid 7353] <... set_robust_list resumed>) = 0 [pid 7352] setpgid(0, 0 [pid 7350] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7349] <... clone resumed>, parent_tid=[629], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 629 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] <... set_robust_list resumed>) = 0 [pid 7353] chdir("./292" [pid 7352] <... setpgid resumed>) = 0 [pid 7350] <... openat resumed>) = 3 [pid 7349] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7348] close(7 [pid 3483] unlink("./298/cgroup" [pid 7354] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7353] <... chdir resumed>) = 0 [pid 7352] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7350] write(3, "1000", 4 [pid 7349] <... futex resumed>) = 0 [pid 7354] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7352] <... symlink resumed>) = 0 [pid 7350] <... write resumed>) = 4 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7354] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... prctl resumed>) = 0 [pid 7352] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7350] close(3 [pid 7349] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7348] close(8 [pid 3483] umount2("./298/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7354] <... futex resumed>) = 0 [pid 7353] setpgid(0, 0 [pid 7352] <... symlink resumed>) = 0 [pid 7350] <... close resumed>) = 0 [pid 7349] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7354] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] <... setpgid resumed>) = 0 [pid 7352] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7350] read(200, [pid 7349] close(3 [pid 7348] close(9 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7353] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7352] <... symlink resumed>) = 0 [pid 7350] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./298/cgroup.net", [pid 7352] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7350] symlink("/dev/binderfs", "./binderfs" [pid 7349] close(4 [pid 7353] <... symlink resumed>) = 0 [pid 7352] <... openat resumed>) = 3 [pid 7350] <... symlink resumed>) = 0 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(10 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7353] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7352] write(3, "1000", 4 [pid 7350] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] close(5 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./298/cgroup.net" [pid 7353] <... symlink resumed>) = 0 [pid 7352] <... write resumed>) = 4 [pid 7350] <... futex resumed>) = 0 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(11 [pid 7353] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7352] close(3 [pid 7350] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7349] close(6 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 7353] <... symlink resumed>) = 0 [pid 7352] <... close resumed>) = 0 [pid 7350] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(12 [pid 7353] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7352] read(200, [pid 7350] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7349] close(7 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./298/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7353] <... openat resumed>) = 3 [pid 7352] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7350] <... mprotect resumed>) = 0 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(13 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7353] write(3, "1000", 4 [pid 7352] symlink("/dev/binderfs", "./binderfs" [pid 7350] 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 7349] close(8 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./298/cgroup.cpu", [pid 7353] <... write resumed>) = 4 [pid 7348] close(14 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7355 attached [pid 7353] close(3 [pid 7352] <... symlink resumed>) = 0 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./298/cgroup.cpu" [pid 7355] set_robust_list(0x7fa7c8c309e0, 24 [pid 7353] <... close resumed>) = 0 [pid 7352] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] <... clone resumed>, parent_tid=[611], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 611 [pid 7349] close(9 [pid 7348] close(15 [pid 3483] <... unlink resumed>) = 0 [pid 7355] <... set_robust_list resumed>) = 0 [pid 7353] read(200, [pid 7352] <... futex resumed>) = 0 [pid 7350] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] getdents64(3, [pid 7355] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7353] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7350] <... futex resumed>) = 0 [pid 7349] close(10 [pid 7348] close(16 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7355] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] symlink("/dev/binderfs", "./binderfs" [pid 7352] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7350] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7355] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... symlink resumed>) = 0 [pid 7352] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7350] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7349] close(11 [pid 7348] close(17 [pid 3483] <... close resumed>) = 0 [pid 7355] <... futex resumed>) = 0 [pid 7353] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... mprotect resumed>) = 0 [pid 7350] close(3 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] rmdir("./298" [pid 7355] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] <... futex resumed>) = 0 [pid 7352] 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 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(12 [pid 7348] close(18./strace-static-x86_64: Process 7356 attached [pid 7353] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7350] close(4 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 7356] set_robust_list(0x7fa7c8c309e0, 24 [pid 7353] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7352] <... clone resumed>, parent_tid=[613], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 613 [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(13 [pid 7348] close(19 [pid 3483] mkdir("./299", 0777 [pid 7356] <... set_robust_list resumed>) = 0 [pid 7353] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7352] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7350] close(5 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7356] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7353] <... mprotect resumed>) = 0 [pid 7352] <... futex resumed>) = 0 [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(14 [pid 7348] close(20 [pid 3483] <... mkdir resumed>) = 0 [pid 7356] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] 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 7352] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7350] close(6 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7358 attached ./strace-static-x86_64: Process 7357 attached [pid 7356] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(15 [pid 7348] close(21 [pid 7358] set_robust_list(0x5555562645e0, 24 [pid 7357] set_robust_list(0x7fa7c8c309e0, 24 [pid 7356] <... futex resumed>) = 0 [pid 7353] <... clone resumed>, parent_tid=[587], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 587 [pid 7352] close(3 [pid 7350] close(7 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 600 [pid 7358] <... set_robust_list resumed>) = 0 [pid 7357] <... set_robust_list resumed>) = 0 [pid 7356] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(16 [pid 7348] close(22 [pid 7358] chdir("./299" [pid 7357] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7353] <... futex resumed>) = 0 [pid 7352] close(4 [pid 7350] close(8 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... chdir resumed>) = 0 [pid 7357] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(17 [pid 7348] close(23 [pid 7358] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7357] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7352] close(5 [pid 7350] close(9 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... prctl resumed>) = 0 [pid 7357] <... futex resumed>) = 0 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(18 [pid 7358] setpgid(0, 0 [pid 7357] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7353] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] close(6 [pid 7350] close(10 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... setpgid resumed>) = 0 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(19 [pid 7358] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7352] close(7 [pid 7350] close(11 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... symlink resumed>) = 0 [pid 7353] close(3 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(20 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(8 [pid 7350] close(12 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(24 [pid 7358] <... symlink resumed>) = 0 [pid 7353] close(4 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(21 [pid 7358] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7352] close(9 [pid 7350] close(13 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... symlink resumed>) = 0 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(22 [pid 7348] close(25 [pid 7358] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7353] close(5 [pid 7352] close(10 [pid 7350] close(14 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... openat resumed>) = 3 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(23 [pid 7348] close(26 [pid 7358] write(3, "1000", 4 [pid 7353] close(6 [pid 7352] close(11 [pid 7350] close(15 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... write resumed>) = 4 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(24 [pid 7358] close(3 [pid 7352] close(12 [pid 7350] close(16 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... close resumed>) = 0 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(25 [pid 7358] read(200, [pid 7352] close(13 [pid 7350] close(17 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(27 [pid 7358] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] close(7 [pid 7349] close(26 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] symlink("/dev/binderfs", "./binderfs" [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(14 [pid 7350] close(18 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(28 [pid 7358] <... symlink resumed>) = 0 [pid 7353] close(8 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(27 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(15 [pid 7350] close(19 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] close(29 [pid 7358] <... futex resumed>) = 0 [pid 7353] close(9 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(28 [pid 7348] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(16 [pid 7350] close(20 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7348] exit_group(0 [pid 7358] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7353] close(10 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7351] <... futex resumed>) = ? [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] close(29 [pid 7348] <... exit_group resumed>) = ? [pid 7358] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(17 [pid 7351] +++ exited with 0 +++ [pid 7350] close(21 [pid 7349] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... mprotect resumed>) = 0 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] exit_group(0 [pid 7358] 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 7354] <... futex resumed>) = ? [pid 7353] close(11 [pid 7352] close(18 [pid 7350] close(22 [pid 7349] <... exit_group resumed>) = ? [pid 7348] +++ exited with 0 +++ ./strace-static-x86_64: Process 7359 attached [pid 7354] +++ exited with 0 +++ [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7349] +++ exited with 0 +++ [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7359] set_robust_list(0x7fa7c8c309e0, 24 [pid 7358] <... clone resumed>, parent_tid=[601], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 601 [pid 7353] close(12 [pid 7352] close(19 [pid 7350] close(23 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7359] <... set_robust_list resumed>) = 0 [pid 7358] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7359] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7358] <... futex resumed>) = 0 [pid 7353] close(13 [pid 7352] close(20 [pid 7350] close(24 [pid 7359] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7359] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7358] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7353] close(14 [pid 7352] close(21 [pid 7350] close(25 [pid 7359] <... futex resumed>) = 0 [pid 7358] close(3 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7359] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(22 [pid 7350] close(26 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7358] close(4 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./313", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(23 [pid 7350] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... openat resumed>) = 3 [pid 7358] close(5 [pid 7353] close(15 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] fstat(3, [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(24 [pid 7350] close(28 [pid 3487] <... openat resumed>) = 3 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7358] close(6 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3486] getdents64(3, [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(25 [pid 7350] close(29 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7358] close(7 [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] close(16 [pid 7352] close(26 [pid 7350] exit_group(0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7358] close(8 [pid 7355] <... futex resumed>) = ? [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7350] <... exit_group resumed>) = ? [pid 3487] umount2("./313/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./310/binderfs", [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7355] +++ exited with 0 +++ [pid 7353] close(17 [pid 7352] close(27 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7350] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7358] close(9 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] close(18 [pid 7352] close(28 [pid 3487] lstat("./313/binderfs", [pid 3486] unlink("./310/binderfs" [pid 7358] close(10 [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... 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 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=610, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7353] close(19 [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] close(29 [pid 7358] close(11 [pid 3487] unlink("./313/binderfs" [pid 3486] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... restart_syscall resumed>) = 0 [pid 7358] close(12 [pid 7353] close(20 [pid 7356] <... futex resumed>) = ? [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7352] <... exit_group resumed>) = ? [pid 3486] lstat("./310/cgroup", [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./304", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7356] +++ exited with 0 +++ [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3487] umount2("./313/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW) = -1 EINVAL (Invalid argument) [pid 7352] +++ exited with 0 +++ [pid 7358] close(13 [pid 7353] close(21 [pid 3487] lstat("./313/cgroup", [pid 3486] unlink("./310/cgroup" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7358] close(14 [pid 7353] close(22 [pid 3487] unlink("./313/cgroup" [pid 3486] <... unlink resumed>) = 0 [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3484] openat(AT_FDCWD, "./304", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... restart_syscall resumed>) = 0 [pid 7358] close(15 [pid 7353] close(23 [pid 3487] umount2("./313/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./310/cgroup.net", [pid 3484] fstat(3, [pid 7358] close(16 [pid 7353] close(24 [pid 3487] lstat("./313/cgroup.net", [pid 3486] <... 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 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./310/cgroup.net" [pid 3485] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 7358] close(17 [pid 7353] close(25 [pid 3487] unlink("./313/cgroup.net" [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7358] close(18 [pid 7353] close(26 [pid 3487] umount2("./313/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] umount2("./304/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] lstat("./310/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7358] close(19 [pid 7353] close(27 [pid 3487] lstat("./313/cgroup.cpu", [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3484] lstat("./304/binderfs", [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] unlink("./310/cgroup.cpu" [pid 3485] fstat(3, [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7358] close(20 [pid 7353] close(28 [pid 3487] unlink("./313/cgroup.cpu" [pid 3486] <... unlink resumed>) = 0 [pid 3484] unlink("./304/binderfs" [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3486] getdents64(3, [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7358] close(21 [pid 7353] close(29 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] umount2("./304/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7353] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] close(3 [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7358] close(22 [pid 7353] exit_group(0 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... close resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] lstat("./304/cgroup", [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7357] <... futex resumed>) = ? [pid 7353] <... exit_group resumed>) = ? [pid 3487] close(3 [pid 3486] rmdir("./310" [pid 3485] umount2("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7358] close(23 [pid 7357] +++ exited with 0 +++ [pid 7353] +++ exited with 0 +++ [pid 3487] <... close resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] unlink("./304/cgroup" [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./313" [pid 3486] mkdir("./311", 0777 [pid 3485] lstat("./305/binderfs", [pid 7358] close(24 [pid 3487] <... rmdir resumed>) = 0 [pid 3486] <... mkdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] umount2("./304/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=586, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- ./strace-static-x86_64: Process 7360 attached [pid 7358] close(25 [pid 3487] mkdir("./314", 0777 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7360] set_robust_list(0x5555562645e0, 24 [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 624 [pid 3485] unlink("./305/binderfs" [pid 3484] lstat("./304/cgroup.net", [pid 3482] <... restart_syscall resumed>) = 0 [pid 7360] <... set_robust_list resumed>) = 0 [pid 7358] close(26 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7360] chdir("./311" [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3485] umount2("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./304/cgroup.net" [pid 7360] <... chdir resumed>) = 0 [pid 7358] close(27 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... unlink resumed>) = 0 [pid 3482] umount2("./292", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7360] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] lstat("./305/cgroup", [pid 3484] umount2("./304/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7361 attached [pid 7360] <... prctl resumed>) = 0 [pid 7358] close(28 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] openat(AT_FDCWD, "./292", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7361] set_robust_list(0x5555562645e0, 24 [pid 7360] setpgid(0, 0 [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 630 [pid 3485] unlink("./305/cgroup" [pid 3484] lstat("./304/cgroup.cpu", [pid 3482] <... openat resumed>) = 3 [pid 7361] <... set_robust_list resumed>) = 0 [pid 7360] <... setpgid resumed>) = 0 [pid 7358] close(29 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] fstat(3, [pid 7361] chdir("./314" [pid 7360] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7358] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./304/cgroup.cpu" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7361] <... chdir resumed>) = 0 [pid 7360] <... symlink resumed>) = 0 [pid 7358] exit_group(0 [pid 3485] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 3482] getdents64(3, [pid 7361] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7360] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7359] <... futex resumed>) = ? [pid 7358] <... exit_group resumed>) = ? [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] getdents64(3, [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7361] <... prctl resumed>) = 0 [pid 7360] <... symlink resumed>) = 0 [pid 7359] +++ exited with 0 +++ [pid 7358] +++ exited with 0 +++ [pid 3485] lstat("./305/cgroup.net", [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] umount2("./292/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] setpgid(0, 0 [pid 7360] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./305/cgroup.net" [pid 3484] close(3 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7361] <... setpgid resumed>) = 0 [pid 7360] <... symlink resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 3485] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... close resumed>) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=600, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] lstat("./292/binderfs", [pid 7361] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7360] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] rmdir("./304" [pid 3483] umount2("./299", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./305/cgroup.cpu", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] unlink("./305/cgroup.cpu" [pid 7360] <... openat resumed>) = 3 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] getdents64(3, 0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] close(3) = 0 [pid 3484] <... rmdir resumed>) = 0 [pid 3483] openat(AT_FDCWD, "./299", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] unlink("./292/binderfs" [pid 3485] rmdir("./305" [pid 7361] <... symlink resumed>) = 0 [pid 7360] write(3, "1000", 4 [pid 3485] <... rmdir resumed>) = 0 [pid 3484] mkdir("./305", 0777 [pid 3483] <... openat resumed>) = 3 [pid 3482] <... unlink resumed>) = 0 [pid 7361] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 3485] mkdir("./306", 0777 [pid 3483] fstat(3, [pid 7361] <... symlink resumed>) = 0 [pid 7360] <... write resumed>) = 4 [pid 3485] <... mkdir resumed>) = 0 [pid 3482] umount2("./292/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7362 attached [pid 7361] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7360] close(3 [pid 3484] <... mkdir resumed>) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7362] set_robust_list(0x5555562645e0, 24) = 0 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 614 [pid 7362] chdir("./306" [pid 7361] <... symlink resumed>) = 0 [pid 7360] <... close resumed>) = 0 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] getdents64(3, [pid 3482] lstat("./292/cgroup", [pid 7362] <... chdir resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7362] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7361] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7360] read(200, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7362] <... prctl resumed>) = 0 [pid 7360] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] umount2("./299/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7362] setpgid(0, 0 [pid 7361] <... openat resumed>) = 3 [pid 7360] symlink("/dev/binderfs", "./binderfs" [pid 3482] unlink("./292/cgroup" [pid 7362] <... setpgid resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7362] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7360] <... symlink resumed>) = 0 ./strace-static-x86_64: Process 7363 attached [pid 7362] <... symlink resumed>) = 0 [pid 7361] write(3, "1000", 4 [pid 7360] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] lstat("./299/binderfs", [pid 3482] <... unlink resumed>) = 0 [pid 7363] set_robust_list(0x5555562645e0, 24 [pid 7362] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7363] <... set_robust_list resumed>) = 0 [pid 7362] <... symlink resumed>) = 0 [pid 7361] <... write resumed>) = 4 [pid 7360] <... futex resumed>) = 0 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 612 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] umount2("./292/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7363] chdir("./305" [pid 7362] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 3483] unlink("./299/binderfs" [pid 7363] <... chdir resumed>) = 0 [pid 7362] <... symlink resumed>) = 0 [pid 7361] close(3 [pid 7360] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7363] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7362] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7363] <... prctl resumed>) = 0 [pid 7362] <... openat resumed>) = 3 [pid 7361] <... close resumed>) = 0 [pid 7360] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3483] <... unlink resumed>) = 0 [pid 3482] lstat("./292/cgroup.net", [pid 7363] setpgid(0, 0 [pid 7362] write(3, "1000", 4 [pid 7363] <... setpgid resumed>) = 0 [pid 7362] <... write resumed>) = 4 [pid 7361] read(200, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7363] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7362] close(3 [pid 7363] <... symlink resumed>) = 0 [pid 7362] <... close resumed>) = 0 [pid 7361] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7360] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3483] umount2("./299/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./292/cgroup.net" [pid 7363] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7362] read(200, [pid 7363] <... symlink resumed>) = 0 [pid 7362] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7361] symlink("/dev/binderfs", "./binderfs" [pid 7360] <... mprotect resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7363] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7362] symlink("/dev/binderfs", "./binderfs" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7363] <... symlink resumed>) = 0 [pid 7362] <... symlink resumed>) = 0 [pid 7361] <... symlink resumed>) = 0 [pid 7360] 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] lstat("./299/cgroup", [pid 3482] umount2("./292/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7361] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7361] <... futex resumed>) = 0 [pid 7360] <... clone resumed>, parent_tid=[625], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 625 [pid 3483] unlink("./299/cgroup" [pid 3482] lstat("./292/cgroup.cpu", [pid 7361] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7360] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7364 attached [pid 7363] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7362] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7361] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7360] <... futex resumed>) = 0 [pid 3483] umount2("./299/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./292/cgroup.cpu" [pid 7364] set_robust_list(0x7fa7c8c309e0, 24 [pid 7363] <... openat resumed>) = 3 [pid 7362] <... futex resumed>) = 0 [pid 7361] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7360] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7364] <... set_robust_list resumed>) = 0 [pid 7363] write(3, "1000", 4 [pid 7362] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7361] <... mprotect resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7364] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7363] <... write resumed>) = 4 [pid 7362] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7361] 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] lstat("./299/cgroup.net", [pid 3482] getdents64(3, ./strace-static-x86_64: Process 7365 attached [pid 7364] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(3 [pid 7362] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7365] set_robust_list(0x7fa7c8c309e0, 24 [pid 7364] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... close resumed>) = 0 [pid 7362] <... mprotect resumed>) = 0 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7365] <... set_robust_list resumed>) = 0 [pid 7364] <... futex resumed>) = 1 [pid 7363] read(200, [pid 7362] 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 7361] <... clone resumed>, parent_tid=[631], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 631 [pid 7365] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7364] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7363] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7360] <... futex resumed>) = 0 ./strace-static-x86_64: Process 7366 attached [pid 7363] symlink("/dev/binderfs", "./binderfs" [pid 7362] <... clone resumed>, parent_tid=[615], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 615 [pid 7361] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7360] close(3 [pid 3483] unlink("./299/cgroup.net" [pid 3482] close(3 [pid 7366] set_robust_list(0x7fa7c8c309e0, 24 [pid 7363] <... symlink resumed>) = 0 [pid 7362] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7366] <... set_robust_list resumed>) = 0 [pid 7365] <... futex resumed>) = 0 [pid 7363] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... futex resumed>) = 0 [pid 7361] <... futex resumed>) = 1 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7366] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7365] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7363] <... futex resumed>) = 0 [pid 7361] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7360] close(4 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 7362] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7365] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./299/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./292" [pid 7366] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7360] close(5 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7365] <... futex resumed>) = 1 [pid 7363] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7361] <... futex resumed>) = 0 [pid 7365] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7363] <... mprotect resumed>) = 0 [pid 7361] close(3 [pid 7363] 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 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... rmdir resumed>) = 0 [pid 7366] <... futex resumed>) = 1 [pid 7362] <... futex resumed>) = 0 [pid 7361] close(4 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./299/cgroup.cpu", ./strace-static-x86_64: Process 7367 attached [pid 7366] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7363] <... clone resumed>, parent_tid=[613], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 613 [pid 7362] close(3 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(6 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] mkdir("./293", 0777 [pid 7367] set_robust_list(0x7fa7c8c309e0, 24 [pid 7363] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(5 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] <... futex resumed>) = 0 [pid 7362] close(4 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(7 [pid 3483] unlink("./299/cgroup.cpu" [pid 7367] <... set_robust_list resumed>) = 0 [pid 7363] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(6 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... mkdir resumed>) = 0 [pid 7362] close(5 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(8 [pid 7367] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(7 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7367] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] close(6 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(9 [pid 3483] getdents64(3, ./strace-static-x86_64: Process 7368 attached [pid 7367] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(8 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7368] set_robust_list(0x5555562645e0, 24 [pid 7367] <... futex resumed>) = 1 [pid 7363] <... futex resumed>) = 0 [pid 7362] close(7 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(10 [pid 3483] close(3 [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 588 [pid 7368] <... set_robust_list resumed>) = 0 [pid 7367] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 3483] <... close resumed>) = 0 [pid 7368] chdir("./293" [pid 3483] rmdir("./299" [pid 7368] <... chdir resumed>) = 0 [pid 7363] close(3 [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(9 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... rmdir resumed>) = 0 [pid 7368] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 3483] mkdir("./300", 0777 [pid 7368] <... prctl resumed>) = 0 [pid 7368] setpgid(0, 0) = 0 [pid 7368] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7362] close(8 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(11) = -1 EBADF (Bad file descriptor) [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(10 [pid 7363] close(4 [pid 7362] close(9 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(12 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(11 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(5 [pid 7362] close(10 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(13 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] close(12 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(6 [pid 7362] close(11 [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(14 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(7 [pid 7362] close(12 [pid 7361] close(13 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(15 [pid 7363] close(8 [pid 7362] close(13 [pid 7361] close(14 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(16 [pid 7368] <... symlink resumed>) = 0 [pid 7363] close(9 [pid 7362] close(14 [pid 7361] close(15 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... mkdir resumed>) = 0 [pid 7368] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7369 attached [pid 7368] <... symlink resumed>) = 0 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(17 [pid 7369] set_robust_list(0x5555562645e0, 24 [pid 7368] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7363] close(10 [pid 7362] close(15 [pid 7361] close(16 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 602 [pid 7369] <... set_robust_list resumed>) = 0 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(18 [pid 7368] <... symlink resumed>) = 0 [pid 7363] close(11 [pid 7362] close(16 [pid 7361] close(17 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] chdir("./300" [pid 7368] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(19 [pid 7369] <... chdir resumed>) = 0 [pid 7368] <... openat resumed>) = 3 [pid 7363] close(12 [pid 7362] close(17 [pid 7361] close(18 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7368] write(3, "1000", 4 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(20 [pid 7369] <... prctl resumed>) = 0 [pid 7368] <... write resumed>) = 4 [pid 7363] close(13 [pid 7362] close(18 [pid 7361] close(19 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] setpgid(0, 0 [pid 7368] close(3 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(21 [pid 7369] <... setpgid resumed>) = 0 [pid 7368] <... close resumed>) = 0 [pid 7363] close(14 [pid 7362] close(19 [pid 7361] close(20 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(22 [pid 7369] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7368] read(200, [pid 7363] close(15 [pid 7362] close(20 [pid 7361] close(21 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(23 [pid 7369] <... symlink resumed>) = 0 [pid 7368] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7363] close(16 [pid 7362] close(21 [pid 7361] close(22 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7368] symlink("/dev/binderfs", "./binderfs" [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(24 [pid 7363] close(17 [pid 7362] close(22 [pid 7361] close(23 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... symlink resumed>) = 0 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(25 [pid 7369] <... symlink resumed>) = 0 [pid 7368] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7363] close(18 [pid 7362] close(23 [pid 7361] close(24 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7368] <... futex resumed>) = 0 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(26 [pid 7368] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7363] close(19 [pid 7362] close(24 [pid 7361] close(25 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] <... symlink resumed>) = 0 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(27 [pid 7363] close(20 [pid 7362] close(25 [pid 7361] close(26 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(28 [pid 7363] close(21 [pid 7362] close(26 [pid 7361] close(27 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] close(29 [pid 7369] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7368] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7363] close(22 [pid 7362] close(27 [pid 7361] close(28 [pid 7360] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] <... openat resumed>) = 3 [pid 7368] <... mprotect resumed>) = 0 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] exit_group(0 [pid 7369] write(3, "1000", 4 [pid 7368] 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 7364] <... futex resumed>) = ? [pid 7363] close(23 [pid 7362] close(28 [pid 7361] close(29 [pid 7360] <... exit_group resumed>) = ? ./strace-static-x86_64: Process 7370 attached [pid 7369] <... write resumed>) = 4 [pid 7364] +++ exited with 0 +++ [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7360] +++ exited with 0 +++ [pid 7370] set_robust_list(0x7fa7c8c309e0, 24 [pid 7369] close(3 [pid 7368] <... clone resumed>, parent_tid=[589], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 589 [pid 7363] close(24 [pid 7362] close(29 [pid 7361] exit_group(0 [pid 7370] <... set_robust_list resumed>) = 0 [pid 7369] <... close resumed>) = 0 [pid 7368] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7365] <... futex resumed>) = ? [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7361] <... exit_group resumed>) = ? [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=624, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7370] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7369] read(200, [pid 7368] <... futex resumed>) = 0 [pid 7365] +++ exited with 0 +++ [pid 7363] close(25 [pid 7362] exit_group(0 [pid 7361] +++ exited with 0 +++ [pid 3486] restart_syscall(<... resuming interrupted clone ...> [pid 7370] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7366] <... futex resumed>) = ? [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] <... exit_group resumed>) = ? [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 3486] <... restart_syscall resumed>) = 0 [pid 7370] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] symlink("/dev/binderfs", "./binderfs" [pid 7368] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7366] +++ exited with 0 +++ [pid 7363] close(26 [pid 7370] <... futex resumed>) = 0 [pid 7369] <... symlink resumed>) = 0 [pid 7368] close(3 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7362] +++ exited with 0 +++ [pid 7370] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(27 [pid 3486] umount2("./311", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... futex resumed>) = 0 [pid 7368] close(4 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7369] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(28 [pid 3487] umount2("./314", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] openat(AT_FDCWD, "./311", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7368] close(5 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... openat resumed>) = 3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] close(29 [pid 3487] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3486] fstat(3, [pid 3485] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7369] <... mprotect resumed>) = 0 [pid 7368] close(6 [pid 7363] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... openat resumed>) = 3 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... openat resumed>) = 3 [pid 7369] 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 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7363] exit_group(0 [pid 3487] fstat(3, [pid 3486] getdents64(3, [pid 3485] fstat(3, ./strace-static-x86_64: Process 7371 attached [pid 7368] close(7 [pid 7367] <... futex resumed>) = ? [pid 7363] <... exit_group resumed>) = ? [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7371] set_robust_list(0x7fa7c8c309e0, 24 [pid 7369] <... clone resumed>, parent_tid=[603], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 603 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7367] +++ exited with 0 +++ [pid 7363] +++ exited with 0 +++ [pid 3487] getdents64(3, [pid 3486] umount2("./311/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 7371] <... set_robust_list resumed>) = 0 [pid 7369] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7368] close(8 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7371] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7369] <... futex resumed>) = 0 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./314/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./311/binderfs", [pid 3485] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=612, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7371] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7369] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7368] close(9 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 7371] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7369] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./314/binderfs", [pid 3486] unlink("./311/binderfs" [pid 3485] lstat("./306/binderfs", [pid 3484] <... restart_syscall resumed>) = 0 [pid 7371] <... futex resumed>) = 0 [pid 7369] close(3 [pid 7368] close(10 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7371] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./314/binderfs" [pid 3486] umount2("./311/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./306/binderfs" [pid 7369] close(4 [pid 7368] close(11 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] umount2("./305", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./314/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./311/cgroup", [pid 3485] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] close(5 [pid 7368] close(12 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] openat(AT_FDCWD, "./305", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./314/cgroup", [pid 3486] unlink("./311/cgroup" [pid 3485] lstat("./306/cgroup", [pid 3484] <... openat resumed>) = 3 [pid 7369] close(6 [pid 7368] close(13 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] fstat(3, [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./314/cgroup" [pid 3486] umount2("./311/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./306/cgroup" [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7369] close(7 [pid 7368] close(14 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] getdents64(3, [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./314/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./311/cgroup.net", [pid 3485] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7369] close(8 [pid 7368] close(15 [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("./305/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./314/cgroup.net", [pid 3486] unlink("./311/cgroup.net" [pid 3485] lstat("./306/cgroup.net", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] close(9 [pid 7368] close(16 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./305/binderfs", [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./314/cgroup.net" [pid 3486] umount2("./311/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] unlink("./306/cgroup.net" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7369] close(10 [pid 7368] close(17 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3484] unlink("./305/binderfs" [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./314/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] lstat("./311/cgroup.cpu", [pid 3485] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... unlink resumed>) = 0 [pid 7369] close(11 [pid 7368] close(18 [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("./305/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./314/cgroup.cpu", [pid 3486] unlink("./311/cgroup.cpu" [pid 3485] lstat("./306/cgroup.cpu", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] close(12 [pid 7368] close(19 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] lstat("./305/cgroup", [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./314/cgroup.cpu" [pid 3486] getdents64(3, [pid 3485] unlink("./306/cgroup.cpu" [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7369] close(13 [pid 7368] close(20 [pid 3487] <... unlink resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] unlink("./305/cgroup" [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3486] close(3 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7369] close(14 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3486] <... close resumed>) = 0 [pid 3484] umount2("./305/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] close(21 [pid 3487] close(3 [pid 3486] rmdir("./311" [pid 3485] getdents64(3, [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7369] close(15 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3486] <... rmdir resumed>) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] lstat("./305/cgroup.net", [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] close(22 [pid 3487] rmdir("./314" [pid 3486] mkdir("./312", 0777 [pid 3485] close(3 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7369] close(16 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... close resumed>) = 0 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] close(23 [pid 3487] mkdir("./315", 0777 [pid 3486] <... mkdir resumed>) = 0 [pid 3485] rmdir("./306" [pid 3484] unlink("./305/cgroup.net" [pid 7369] close(17 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... mkdir resumed>) = 0 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] <... rmdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7372 attached [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] close(24 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] mkdir("./307", 0777 [pid 3484] umount2("./305/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7373 attached [pid 7372] set_robust_list(0x5555562645e0, 24 [pid 7369] close(18 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 626 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7373] set_robust_list(0x5555562645e0, 24 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] close(25 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 632 [pid 3485] <... mkdir resumed>) = 0 [pid 3484] lstat("./305/cgroup.cpu", [pid 7372] <... set_robust_list resumed>) = 0 [pid 7373] <... set_robust_list resumed>) = 0 [pid 7369] close(19 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7373] chdir("./315" [pid 7372] chdir("./312" [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] close(26 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7374 attached [pid 7373] <... chdir resumed>) = 0 [pid 7372] <... chdir resumed>) = 0 [pid 7369] close(20 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./305/cgroup.cpu" [pid 7374] set_robust_list(0x5555562645e0, 24 [pid 7373] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7368] close(27 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 616 [pid 7374] <... set_robust_list resumed>) = 0 [pid 7373] <... prctl resumed>) = 0 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] chdir("./307" [pid 7373] setpgid(0, 0 [pid 7372] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7369] close(21 [pid 7368] close(28 [pid 3484] <... unlink resumed>) = 0 [pid 7374] <... chdir resumed>) = 0 [pid 7373] <... setpgid resumed>) = 0 [pid 7372] <... prctl resumed>) = 0 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7373] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7368] close(29 [pid 3484] getdents64(3, [pid 7374] <... prctl resumed>) = 0 [pid 7373] <... symlink resumed>) = 0 [pid 7372] setpgid(0, 0 [pid 7369] close(22 [pid 7368] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] setpgid(0, 0 [pid 7373] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7372] <... setpgid resumed>) = 0 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7368] exit_group(0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7374] <... setpgid resumed>) = 0 [pid 7373] <... symlink resumed>) = 0 [pid 7372] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7370] <... futex resumed>) = ? [pid 7369] close(23 [pid 7368] <... exit_group resumed>) = ? [pid 7374] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7373] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 3484] close(3 [pid 7374] <... symlink resumed>) = 0 [pid 7373] <... symlink resumed>) = 0 [pid 7372] <... symlink resumed>) = 0 [pid 7374] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7373] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 7374] <... symlink resumed>) = 0 [pid 7373] <... openat resumed>) = 3 [pid 7372] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7370] +++ exited with 0 +++ [pid 7369] close(24 [pid 7368] +++ exited with 0 +++ [pid 3484] rmdir("./305" [pid 7374] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7373] write(3, "1000", 4 [pid 7374] <... symlink resumed>) = 0 [pid 7373] <... write resumed>) = 4 [pid 7372] <... symlink resumed>) = 0 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=588, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7374] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7373] close(3 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7374] <... openat resumed>) = 3 [pid 7373] <... close resumed>) = 0 [pid 7372] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7369] close(25 [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... restart_syscall resumed>) = 0 [pid 7374] write(3, "1000", 4 [pid 7373] read(200, [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] <... write resumed>) = 4 [pid 7373] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] <... symlink resumed>) = 0 [pid 7369] close(26 [pid 3484] mkdir("./306", 0777 [pid 7374] close(3 [pid 7373] symlink("/dev/binderfs", "./binderfs" [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./293", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7374] <... close resumed>) = 0 [pid 7373] <... symlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7374] read(200, [pid 7373] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7369] close(27 [pid 3484] <... mkdir resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./293", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7374] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... futex resumed>) = 0 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] <... openat resumed>) = 3 [pid 7374] symlink("/dev/binderfs", "./binderfs" [pid 7373] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3482] fstat(3, [pid 7374] <... symlink resumed>) = 0 [pid 7373] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7369] close(28 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7375 attached [pid 7374] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7372] <... openat resumed>) = 3 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7375] set_robust_list(0x5555562645e0, 24 [pid 7374] <... futex resumed>) = 0 [pid 7373] <... mprotect resumed>) = 0 [pid 7369] close(29 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 614 [pid 7372] write(3, "1000", 4 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7375] <... set_robust_list resumed>) = 0 [pid 7374] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7373] 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 7372] <... write resumed>) = 4 [pid 7369] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] umount2("./293/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7376 attached [pid 7375] chdir("./306" [pid 7374] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7372] close(3 [pid 7369] exit_group(0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7376] set_robust_list(0x7fa7c8c309e0, 24 [pid 7375] <... chdir resumed>) = 0 [pid 7374] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7373] <... clone resumed>, parent_tid=[633], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 633 [pid 7372] <... close resumed>) = 0 [pid 7369] <... exit_group resumed>) = ? [pid 3482] lstat("./293/binderfs", [pid 7371] <... futex resumed>) = ? [pid 7376] <... set_robust_list resumed>) = 0 [pid 7375] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7374] <... mprotect resumed>) = 0 [pid 7373] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7372] read(200, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7376] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7375] <... prctl resumed>) = 0 [pid 7374] 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 7373] <... futex resumed>) = 0 [pid 3482] unlink("./293/binderfs"./strace-static-x86_64: Process 7377 attached [pid 7376] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] setpgid(0, 0 [pid 7373] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7371] +++ exited with 0 +++ [pid 7369] +++ exited with 0 +++ [pid 3482] <... unlink resumed>) = 0 [pid 7377] set_robust_list(0x7fa7c8c309e0, 24 [pid 7376] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... setpgid resumed>) = 0 [pid 7374] <... clone resumed>, parent_tid=[617], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 617 [pid 7373] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7372] symlink("/dev/binderfs", "./binderfs" [pid 3482] umount2("./293/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7377] <... set_robust_list resumed>) = 0 [pid 7376] <... futex resumed>) = 0 [pid 7375] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7374] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7373] close(3 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=602, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 7372] <... symlink resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7377] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7376] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] <... symlink resumed>) = 0 [pid 7374] <... futex resumed>) = 0 [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3482] lstat("./293/cgroup", [pid 7377] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7374] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7373] close(4 [pid 7372] <... futex resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7377] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... symlink resumed>) = 0 [pid 7374] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3482] unlink("./293/cgroup" [pid 3483] umount2("./300", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7377] <... futex resumed>) = 0 [pid 7375] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7374] close(3 [pid 7373] close(5 [pid 7372] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7377] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] <... symlink resumed>) = 0 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3483] openat(AT_FDCWD, "./300", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] umount2("./293/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7375] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7374] close(4 [pid 7373] close(6 [pid 7372] <... mprotect resumed>) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7375] <... openat resumed>) = 3 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] 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] <... openat resumed>) = 3 [pid 3482] lstat("./293/cgroup.net", ./strace-static-x86_64: Process 7378 attached [pid 7375] write(3, "1000", 4 [pid 7374] close(5 [pid 7373] close(7 [pid 3483] fstat(3, [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7378] set_robust_list(0x7fa7c8c309e0, 24 [pid 7375] <... write resumed>) = 4 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./293/cgroup.net" [pid 7378] <... set_robust_list resumed>) = 0 [pid 7375] close(3 [pid 7374] close(6 [pid 7373] close(8 [pid 7372] <... clone resumed>, parent_tid=[627], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 627 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7378] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7375] <... close resumed>) = 0 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3483] getdents64(3, [pid 3482] umount2("./293/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7378] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] read(200, [pid 7374] close(7 [pid 7373] close(9 [pid 7372] <... futex resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7378] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3483] umount2("./300/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7378] <... futex resumed>) = 0 [pid 7375] symlink("/dev/binderfs", "./binderfs" [pid 7374] close(8 [pid 7373] close(10 [pid 7372] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] lstat("./293/cgroup.cpu", [pid 7378] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7372] close(3 [pid 3483] lstat("./300/binderfs", [pid 7375] <... symlink resumed>) = 0 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7375] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] close(9 [pid 7373] close(11 [pid 7372] close(4 [pid 3482] unlink("./293/cgroup.cpu" [pid 7375] <... futex resumed>) = 0 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./300/binderfs" [pid 3482] <... unlink resumed>) = 0 [pid 7375] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7374] close(10 [pid 7373] close(12 [pid 7372] close(5 [pid 3482] getdents64(3, [pid 7375] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7375] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7374] close(11 [pid 7373] close(13 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... unlink resumed>) = 0 [pid 3482] close(3 [pid 7375] <... mprotect resumed>) = 0 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... close resumed>) = 0 [pid 7372] close(6 [pid 7375] 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 7374] close(12 [pid 7373] close(14 [pid 3483] umount2("./300/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] rmdir("./293"./strace-static-x86_64: Process 7379 attached [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... rmdir resumed>) = 0 [pid 7379] set_robust_list(0x7fa7c8c309e0, 24 [pid 7375] <... clone resumed>, parent_tid=[615], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 615 [pid 7374] close(13 [pid 7373] close(15 [pid 7372] close(7 [pid 3483] lstat("./300/cgroup", [pid 3482] mkdir("./294", 0777 [pid 7379] <... set_robust_list resumed>) = 0 [pid 7375] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7379] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7375] <... futex resumed>) = 0 [pid 7374] close(14 [pid 7373] close(16 [pid 7372] close(8 [pid 3482] <... mkdir resumed>) = 0 [pid 7379] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./300/cgroup" [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7380 attached [pid 7379] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7374] close(15 [pid 7373] close(17 [pid 3483] <... unlink resumed>) = 0 [pid 7375] close(3 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 590 [pid 7379] <... futex resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(16 [pid 7373] close(18 [pid 7372] close(9 [pid 7380] set_robust_list(0x5555562645e0, 24 [pid 7379] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7375] close(4 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./300/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7380] <... set_robust_list resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(17 [pid 7373] close(19 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] chdir("./294" [pid 7375] close(5 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(10 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7380] <... chdir resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(18 [pid 7373] close(20 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./300/cgroup.net", [pid 7380] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7375] close(6 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(11 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7380] <... prctl resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(19 [pid 7373] close(21 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./300/cgroup.net" [pid 7380] setpgid(0, 0 [pid 7375] close(7 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(12 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(20 [pid 7373] close(22 [pid 3483] <... unlink resumed>) = 0 [pid 7380] <... setpgid resumed>) = 0 [pid 7375] close(8 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] umount2("./300/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7380] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(21 [pid 7373] close(23 [pid 7375] close(9 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(22 [pid 7373] close(24 [pid 7372] close(13 [pid 7380] <... symlink resumed>) = 0 [pid 7375] close(10 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(23 [pid 7373] close(25 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7380] <... symlink resumed>) = 0 [pid 7375] close(11 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(14 [pid 7380] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(24 [pid 7373] close(26 [pid 3483] lstat("./300/cgroup.cpu", [pid 7375] close(12 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] <... symlink resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(25 [pid 7373] close(27 [pid 7372] close(15 [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7380] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7375] close(13 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] <... openat resumed>) = 3 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(26 [pid 7373] close(28 [pid 3483] unlink("./300/cgroup.cpu" [pid 7375] close(14 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(27 [pid 7373] close(29 [pid 7375] close(15 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(16 [pid 7380] write(3, "1000", 4 [pid 3483] <... unlink resumed>) = 0 [pid 7380] <... write resumed>) = 4 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(28 [pid 7373] exit_group(0 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(3 [pid 7376] <... futex resumed>) = ? [pid 7375] close(16 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7373] <... exit_group resumed>) = ? [pid 3483] getdents64(3, [pid 7380] <... close resumed>) = 0 [pid 7376] +++ exited with 0 +++ [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] close(29 [pid 7373] +++ exited with 0 +++ [pid 7372] close(17 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7380] read(200, [pid 7375] close(17 [pid 7374] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] exit_group(0 [pid 7372] close(18 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3483] close(3 [pid 7380] symlink("/dev/binderfs", "./binderfs" [pid 7377] <... futex resumed>) = ? [pid 7375] close(18 [pid 7374] <... exit_group resumed>) = ? [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./315", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7380] <... symlink resumed>) = 0 [pid 7377] +++ exited with 0 +++ [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7374] +++ exited with 0 +++ [pid 7372] close(19 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 7380] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] close(19 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7380] <... futex resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] restart_syscall(<... resuming interrupted clone ...> [pid 3483] rmdir("./300" [pid 7380] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7375] close(20 [pid 7372] close(20 [pid 3487] <... openat resumed>) = 3 [pid 3485] <... restart_syscall resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] close(21) = -1 EBADF (Bad file descriptor) [pid 7380] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... rmdir resumed>) = 0 [pid 7380] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7375] close(22 [pid 7372] close(21 [pid 3487] fstat(3, [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] mkdir("./301", 0777 [pid 7380] <... mprotect resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] <... mkdir resumed>) = 0 [pid 7380] 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 7375] close(23 [pid 7372] close(22 [pid 3487] getdents64(3, [pid 3485] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7381 attached [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7381] set_robust_list(0x7fa7c8c309e0, 24 [pid 7380] <... clone resumed>, parent_tid=[591], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 591 [pid 7375] close(24 [pid 7372] close(23 [pid 3487] umount2("./315/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] fstat(3, ./strace-static-x86_64: Process 7382 attached [pid 7381] <... set_robust_list resumed>) = 0 [pid 7380] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7382] set_robust_list(0x5555562645e0, 24 [pid 7380] <... futex resumed>) = 0 [pid 7372] close(24 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 604 [pid 7382] <... set_robust_list resumed>) = 0 [pid 7380] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] chdir("./301" [pid 7381] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7375] close(25 [pid 7372] close(25 [pid 3487] lstat("./315/binderfs", [pid 3485] getdents64(3, [pid 7382] <... chdir resumed>) = 0 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7381] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(26 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7382] <... prctl resumed>) = 0 [pid 7381] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7375] close(26 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./315/binderfs" [pid 3485] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7382] setpgid(0, 0 [pid 7381] <... futex resumed>) = 1 [pid 7380] <... futex resumed>) = 0 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(27 [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7382] <... setpgid resumed>) = 0 [pid 7381] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7380] close(3 [pid 7375] close(27 [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./315/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] lstat("./307/binderfs", [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7382] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7375] close(28 [pid 3487] lstat("./315/cgroup", [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] close(28 [pid 3487] <... 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 7375] close(29 [pid 3487] unlink("./315/cgroup" [pid 7382] <... symlink resumed>) = 0 [pid 7380] close(4 [pid 7375] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] unlink("./307/binderfs" [pid 7375] exit_group(0 [pid 3487] umount2("./315/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7375] <... exit_group resumed>) = ? [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3487] lstat("./315/cgroup.net", {st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7379] <... futex resumed>) = ? [pid 7372] close(29 [pid 3487] unlink("./315/cgroup.net" [pid 7382] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7380] close(5 [pid 3487] <... unlink resumed>) = 0 [pid 3487] umount2("./315/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7372] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] lstat("./315/cgroup.cpu", [pid 7382] <... symlink resumed>) = 0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7380] close(6 [pid 7372] exit_group(0 [pid 3487] unlink("./315/cgroup.cpu" [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7380] close(7 [pid 7378] <... futex resumed>) = ? [pid 7372] <... exit_group resumed>) = ? [pid 3487] getdents64(3, [pid 3485] lstat("./307/cgroup", [pid 7382] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7378] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3487] close(3) = 0 [pid 3487] rmdir("./315" [pid 7382] <... symlink resumed>) = 0 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7379] +++ exited with 0 +++ [pid 7375] +++ exited with 0 +++ [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3487] mkdir("./316", 0777 [pid 7382] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7380] close(8 [pid 7372] +++ exited with 0 +++ [pid 3487] <... mkdir resumed>) = 0 [pid 3485] unlink("./307/cgroup" [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=614, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7383 attached [pid 7382] <... openat resumed>) = 3 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 7383] set_robust_list(0x5555562645e0, 24 [pid 7380] close(9 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 634 [pid 3485] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7382] write(3, "1000", 4 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=626, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 7383] <... set_robust_list resumed>) = 0 [pid 7382] <... write resumed>) = 4 [pid 7380] close(10 [pid 3486] umount2("./312", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7383] chdir("./316" [pid 7382] close(3 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7383] <... chdir resumed>) = 0 [pid 7382] <... close resumed>) = 0 [pid 7380] close(11 [pid 3486] openat(AT_FDCWD, "./312", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] lstat("./307/cgroup.net", [pid 7383] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7382] read(200, [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7383] <... prctl resumed>) = 0 [pid 7380] close(12 [pid 3486] <... openat resumed>) = 3 [pid 7383] setpgid(0, 0 [pid 7382] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7383] <... setpgid resumed>) = 0 [pid 7382] symlink("/dev/binderfs", "./binderfs" [pid 7380] close(13 [pid 7383] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7382] <... symlink resumed>) = 0 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] unlink("./307/cgroup.net" [pid 3484] umount2("./306", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7383] <... symlink resumed>) = 0 [pid 7382] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] close(14 [pid 7383] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7382] <... futex resumed>) = 0 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 7383] <... symlink resumed>) = 0 [pid 7382] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7380] close(15 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7383] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7382] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./312/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] openat(AT_FDCWD, "./306", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7383] <... symlink resumed>) = 0 [pid 7382] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7380] close(16 [pid 7383] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7382] <... mprotect resumed>) = 0 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... openat resumed>) = 3 [pid 7383] <... openat resumed>) = 3 [pid 7382] 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 7380] close(17 [pid 3486] lstat("./312/binderfs", [pid 3485] lstat("./307/cgroup.cpu", [pid 3484] fstat(3, [pid 7383] write(3, "1000", 4 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7384 attached [pid 7383] <... write resumed>) = 4 [pid 7382] <... clone resumed>, parent_tid=[605], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 605 [pid 7380] close(18 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7384] set_robust_list(0x7fa7c8c309e0, 24 [pid 7383] close(3 [pid 7382] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7384] <... set_robust_list resumed>) = 0 [pid 7383] <... close resumed>) = 0 [pid 7382] <... futex resumed>) = 0 [pid 7380] close(19 [pid 3486] unlink("./312/binderfs" [pid 3485] unlink("./307/cgroup.cpu" [pid 3484] getdents64(3, [pid 7384] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7383] read(200, [pid 7382] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7383] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7380] close(20 [pid 7383] symlink("/dev/binderfs", "./binderfs" [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7384] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7383] <... symlink resumed>) = 0 [pid 7380] close(21 [pid 3485] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7384] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./312/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] getdents64(3, [pid 7384] <... futex resumed>) = 1 [pid 7383] <... futex resumed>) = 0 [pid 7382] <... futex resumed>) = 0 [pid 7380] close(22 [pid 3484] umount2("./306/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7384] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7382] close(3 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7383] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(23 [pid 3486] lstat("./312/cgroup", [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7383] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7382] close(4 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] close(3 [pid 7383] <... mprotect resumed>) = 0 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(24 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3484] lstat("./306/binderfs", [pid 7383] 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 7382] close(5 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7385 attached [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(25 [pid 3486] unlink("./312/cgroup" [pid 3485] <... close resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7385] set_robust_list(0x7fa7c8c309e0, 24 [pid 7383] <... clone resumed>, parent_tid=[635], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 635 [pid 7382] close(6 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7385] <... set_robust_list resumed>) = 0 [pid 7383] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(26 [pid 7385] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7383] <... futex resumed>) = 0 [pid 7382] close(7 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 3485] rmdir("./307" [pid 3484] unlink("./306/binderfs" [pid 7385] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7383] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(27 [pid 3486] umount2("./312/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7385] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7382] close(8 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7385] <... futex resumed>) = 0 [pid 7383] close(3 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(28 [pid 7385] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(9 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... rmdir resumed>) = 0 [pid 7383] close(4 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] close(29 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(10 [pid 7380] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] mkdir("./308", 0777 [pid 3484] <... unlink resumed>) = 0 [pid 7383] close(5 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7380] exit_group(0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(11 [pid 7381] <... futex resumed>) = ? [pid 7380] <... exit_group resumed>) = ? [pid 3486] lstat("./312/cgroup.net", [pid 3484] umount2("./306/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7383] close(6 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7381] +++ exited with 0 +++ [pid 7380] +++ exited with 0 +++ [pid 3485] <... mkdir resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(12 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7383] close(7 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./312/cgroup.net" [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] lstat("./306/cgroup", [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=590, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(13 [pid 7383] close(8 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(14 [pid 7383] close(9 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7386 attached [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(15 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] restart_syscall(<... resuming interrupted clone ...> [pid 7386] set_robust_list(0x5555562645e0, 24 [pid 7383] close(10 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./312/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] unlink("./306/cgroup" [pid 7386] <... set_robust_list resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(16 [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 618 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... restart_syscall resumed>) = 0 [pid 7386] chdir("./308" [pid 7383] close(11 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 7386] <... chdir resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(17 [pid 3486] lstat("./312/cgroup.cpu", [pid 7386] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7383] close(12 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... prctl resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(18 [pid 7386] setpgid(0, 0 [pid 7383] close(13 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./306/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7386] <... setpgid resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(19 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7386] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7383] close(14 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./312/cgroup.cpu" [pid 3482] umount2("./294", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7386] <... symlink resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(20 [pid 3484] lstat("./306/cgroup.net", [pid 7386] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7383] close(15 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... symlink resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(21 [pid 3486] <... unlink resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7386] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7383] close(16 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... symlink resumed>) = 0 [pid 3486] getdents64(3, [pid 3484] unlink("./306/cgroup.net" [pid 3482] openat(AT_FDCWD, "./294", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7386] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(22 [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7386] <... openat resumed>) = 3 [pid 7383] close(17 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... openat resumed>) = 3 [pid 7386] write(3, "1000", 4 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(23 [pid 3486] close(3 [pid 3484] umount2("./306/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7386] <... write resumed>) = 4 [pid 7383] close(18 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] fstat(3, [pid 7386] close(3 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(24 [pid 3486] <... close resumed>) = 0 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7386] <... close resumed>) = 0 [pid 7383] close(19 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./312" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7386] read(200, [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(25 [pid 3484] lstat("./306/cgroup.cpu", [pid 7386] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7383] close(20 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] symlink("/dev/binderfs", "./binderfs" [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(26 [pid 7386] <... symlink resumed>) = 0 [pid 7383] close(21 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] getdents64(3, [pid 7386] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(27 [pid 3486] mkdir("./313", 0777 [pid 3484] unlink("./306/cgroup.cpu" [pid 7386] <... futex resumed>) = 0 [pid 7383] close(22 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7386] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(28 [pid 3484] <... unlink resumed>) = 0 [pid 7386] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7383] close(23 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./294/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7386] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] close(29 [pid 3484] getdents64(3, [pid 7386] <... mprotect resumed>) = 0 [pid 7383] close(24 [pid 7382] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7387 attached [pid 7386] 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 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] exit_group(0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7388 attached [pid 7387] set_robust_list(0x5555562645e0, 24 [pid 7383] close(25 [pid 7382] <... exit_group resumed>) = ? [pid 7388] set_robust_list(0x7fa7c8c309e0, 24 [pid 7387] <... set_robust_list resumed>) = 0 [pid 7386] <... clone resumed>, parent_tid=[619], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 619 [pid 7384] <... futex resumed>) = ? [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 628 [pid 3484] close(3 [pid 3482] lstat("./294/binderfs", [pid 7388] <... set_robust_list resumed>) = 0 [pid 7387] chdir("./313" [pid 7386] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7383] close(26 [pid 7387] <... chdir resumed>) = 0 [pid 7386] <... futex resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7386] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7383] close(27 [pid 7387] <... prctl resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... close resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7388] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7387] setpgid(0, 0 [pid 7383] close(28 [pid 3484] rmdir("./306" [pid 3482] unlink("./294/binderfs" [pid 7388] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] <... setpgid resumed>) = 0 [pid 7384] +++ exited with 0 +++ [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7382] +++ exited with 0 +++ [pid 7387] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7383] close(29 [pid 3482] <... unlink resumed>) = 0 [pid 7388] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... symlink resumed>) = 0 [pid 7383] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... rmdir resumed>) = 0 [pid 3482] umount2("./294/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7388] <... futex resumed>) = 1 [pid 7387] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7386] <... futex resumed>) = 0 [pid 7383] exit_group(0 [pid 7388] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7387] <... symlink resumed>) = 0 [pid 7386] close(3 [pid 7385] <... futex resumed>) = ? [pid 7383] <... exit_group resumed>) = ? [pid 3484] mkdir("./307", 0777 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=604, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7387] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7385] +++ exited with 0 +++ [pid 7383] +++ exited with 0 +++ [pid 7387] <... symlink resumed>) = 0 [pid 7386] close(4 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=634, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... mkdir resumed>) = 0 [pid 3483] umount2("./301", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] lstat("./294/cgroup", [pid 7387] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] <... openat resumed>) = 3 [pid 7386] close(5 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7387] write(3, "1000", 4 [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./316", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7387] <... write resumed>) = 4 [pid 7386] close(6 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] openat(AT_FDCWD, "./301", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] unlink("./294/cgroup" [pid 7387] close(3 [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./316", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7387] <... close resumed>) = 0 [pid 7386] close(7 [pid 3487] <... openat resumed>) = 3 [pid 7387] read(200, [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 3482] <... unlink resumed>) = 0 [pid 7387] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7386] close(8 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7389 attached [pid 7387] symlink("/dev/binderfs", "./binderfs" [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3482] umount2("./294/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7389] set_robust_list(0x5555562645e0, 24 [pid 7387] <... symlink resumed>) = 0 [pid 7386] close(9 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] fstat(3, [pid 7389] <... set_robust_list resumed>) = 0 [pid 7387] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./316/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7389] chdir("./307" [pid 7387] <... futex resumed>) = 0 [pid 7386] close(10 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 616 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7389] <... chdir resumed>) = 0 [pid 7387] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./316/binderfs", [pid 7389] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7387] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7386] close(11 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] getdents64(3, [pid 3482] lstat("./294/cgroup.net", [pid 7389] <... prctl resumed>) = 0 [pid 7387] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./316/binderfs" [pid 7389] setpgid(0, 0 [pid 7387] <... mprotect resumed>) = 0 [pid 7386] close(12 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7389] <... setpgid resumed>) = 0 [pid 7387] 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 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./316/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7390 attached [pid 7389] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7386] close(13 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./301/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./294/cgroup.net" [pid 7390] set_robust_list(0x7fa7c8c309e0, 24 [pid 7389] <... symlink resumed>) = 0 [pid 7387] <... clone resumed>, parent_tid=[629], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 629 [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./316/cgroup", [pid 7390] <... set_robust_list resumed>) = 0 [pid 7389] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7387] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7386] close(14 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7390] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7389] <... symlink resumed>) = 0 [pid 7387] <... futex resumed>) = 0 [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./316/cgroup" [pid 3482] <... unlink resumed>) = 0 [pid 7390] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7387] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7386] close(15 [pid 3487] <... unlink resumed>) = 0 [pid 3483] lstat("./301/binderfs", [pid 7390] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... symlink resumed>) = 0 [pid 7387] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./316/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./294/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7390] <... futex resumed>) = 0 [pid 7389] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7387] close(3 [pid 7386] close(16 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7390] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7389] <... openat resumed>) = 3 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./316/cgroup.net", [pid 7389] write(3, "1000", 4 [pid 7387] close(4 [pid 7386] close(17 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] unlink("./301/binderfs" [pid 3482] lstat("./294/cgroup.cpu", [pid 7389] <... write resumed>) = 4 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./316/cgroup.net" [pid 7389] close(3 [pid 7387] close(5 [pid 7386] close(18 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7389] <... close resumed>) = 0 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./316/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./301/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./294/cgroup.cpu" [pid 7389] read(200, [pid 7387] close(6 [pid 7386] close(19 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... unlink resumed>) = 0 [pid 7389] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./316/cgroup.cpu", [pid 3482] getdents64(3, [pid 7389] symlink("/dev/binderfs", "./binderfs" [pid 7387] close(7 [pid 7386] close(20 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] lstat("./301/cgroup", [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7389] <... symlink resumed>) = 0 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./316/cgroup.cpu" [pid 3482] close(3 [pid 7389] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] close(8 [pid 7386] close(21 [pid 3487] <... unlink resumed>) = 0 [pid 3482] <... close resumed>) = 0 [pid 7389] <... futex resumed>) = 0 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] rmdir("./294" [pid 7389] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7387] close(9 [pid 7386] close(22 [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3483] unlink("./301/cgroup" [pid 3482] <... rmdir resumed>) = 0 [pid 7389] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] close(3 [pid 3482] mkdir("./295", 0777 [pid 7389] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7387] close(10 [pid 7386] close(23 [pid 3487] <... close resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 3482] <... mkdir resumed>) = 0 [pid 7389] <... mprotect resumed>) = 0 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./316" [pid 3483] umount2("./301/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7391 attached [pid 7389] 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 7387] close(11 [pid 7386] close(24 [pid 3487] <... rmdir resumed>) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7392 attached [pid 7391] set_robust_list(0x5555562645e0, 24 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./317", 0777 [pid 3483] lstat("./301/cgroup.net", [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 592 [pid 7392] set_robust_list(0x7fa7c8c309e0, 24 [pid 7391] <... set_robust_list resumed>) = 0 [pid 7389] <... clone resumed>, parent_tid=[617], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 617 [pid 7387] close(12 [pid 7386] close(25 [pid 3487] <... mkdir resumed>) = 0 [pid 7392] <... set_robust_list resumed>) = 0 [pid 7389] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7393 attached [pid 7392] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7391] chdir("./295" [pid 7389] <... futex resumed>) = 0 [pid 7387] close(13 [pid 7386] close(26 [pid 3483] unlink("./301/cgroup.net" [pid 7393] set_robust_list(0x5555562645e0, 24 [pid 7392] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... chdir resumed>) = 0 [pid 7389] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 636 [pid 3483] <... unlink resumed>) = 0 [pid 7393] <... set_robust_list resumed>) = 0 [pid 7392] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7389] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7387] close(14 [pid 7386] close(27 [pid 3483] umount2("./301/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] chdir("./317" [pid 7392] <... futex resumed>) = 0 [pid 7391] <... prctl resumed>) = 0 [pid 7389] close(3 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7393] <... chdir resumed>) = 0 [pid 7392] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] setpgid(0, 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(15 [pid 7386] close(28 [pid 7393] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7391] <... setpgid resumed>) = 0 [pid 7389] close(4 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] lstat("./301/cgroup.cpu", [pid 7393] <... prctl resumed>) = 0 [pid 7391] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(16 [pid 7386] close(29 [pid 7393] setpgid(0, 0 [pid 7389] close(5 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7393] <... setpgid resumed>) = 0 [pid 7391] <... symlink resumed>) = 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(17 [pid 7386] exit_group(0 [pid 3483] unlink("./301/cgroup.cpu" [pid 7393] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7391] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7389] close(6 [pid 7388] <... futex resumed>) = ? [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7386] <... exit_group resumed>) = ? [pid 7393] <... symlink resumed>) = 0 [pid 7391] <... symlink resumed>) = 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7388] +++ exited with 0 +++ [pid 7387] close(18 [pid 7386] +++ exited with 0 +++ [pid 3483] <... unlink resumed>) = 0 [pid 7393] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7391] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7389] close(7 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=6} --- [pid 3483] getdents64(3, [pid 7393] <... symlink resumed>) = 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(19 [pid 3483] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7393] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7391] <... symlink resumed>) = 0 [pid 7389] close(8 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] close(3 [pid 7393] <... symlink resumed>) = 0 [pid 7391] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(20 [pid 3485] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7391] <... openat resumed>) = 3 [pid 7389] close(9 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... close resumed>) = 0 [pid 7393] <... openat resumed>) = 3 [pid 7391] write(3, "1000", 4 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(21 [pid 3485] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] rmdir("./301" [pid 7393] write(3, "1000", 4 [pid 7391] <... write resumed>) = 4 [pid 7389] close(10 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... openat resumed>) = 3 [pid 7393] <... write resumed>) = 4 [pid 7391] close(3 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(22 [pid 3485] fstat(3, [pid 3483] <... rmdir resumed>) = 0 [pid 7393] close(3 [pid 7391] <... close resumed>) = 0 [pid 7389] close(11 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7393] <... close resumed>) = 0 [pid 7391] read(200, [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(23 [pid 3485] getdents64(3, [pid 3483] mkdir("./302", 0777 [pid 7393] read(200, [pid 7391] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] close(12 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7393] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(24 [pid 3485] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7393] symlink("/dev/binderfs", "./binderfs" [pid 7391] symlink("/dev/binderfs", "./binderfs" [pid 7389] close(13 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... mkdir resumed>) = 0 [pid 7393] <... symlink resumed>) = 0 [pid 7391] <... symlink resumed>) = 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(25 [pid 3485] lstat("./308/binderfs", [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7393] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] close(14 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7393] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(26 [pid 3485] unlink("./308/binderfs"./strace-static-x86_64: Process 7394 attached [pid 7393] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7391] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7389] close(15 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 7394] set_robust_list(0x5555562645e0, 24 [pid 7393] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7391] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(27 [pid 3485] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7394] <... set_robust_list resumed>) = 0 [pid 7393] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7391] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7389] close(16 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 606 [pid 7394] chdir("./302" [pid 7393] <... mprotect resumed>) = 0 [pid 7391] <... mprotect resumed>) = 0 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(28 [pid 3485] lstat("./308/cgroup", [pid 7394] <... chdir resumed>) = 0 [pid 7393] 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 7391] 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 7389] close(17 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7396 attached ./strace-static-x86_64: Process 7395 attached [pid 7394] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] close(29 [pid 3485] unlink("./308/cgroup" [pid 7396] set_robust_list(0x7fa7c8c309e0, 24 [pid 7395] set_robust_list(0x7fa7c8c309e0, 24 [pid 7394] <... prctl resumed>) = 0 [pid 7393] <... clone resumed>, parent_tid=[637], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 637 [pid 7391] <... clone resumed>, parent_tid=[593], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 593 [pid 7389] close(18 [pid 7387] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 7396] <... set_robust_list resumed>) = 0 [pid 7395] <... set_robust_list resumed>) = 0 [pid 7394] setpgid(0, 0 [pid 7393] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] exit_group(0 [pid 3485] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7396] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7395] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7394] <... setpgid resumed>) = 0 [pid 7393] <... futex resumed>) = 0 [pid 7391] <... futex resumed>) = 0 [pid 7390] <... futex resumed>) = ? [pid 7389] close(19 [pid 7387] <... exit_group resumed>) = ? [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7396] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7395] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7393] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7391] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7390] +++ exited with 0 +++ [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7387] +++ exited with 0 +++ [pid 3485] lstat("./308/cgroup.net", [pid 7396] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7395] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7391] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7396] <... futex resumed>) = 0 [pid 7391] close(3 [pid 7396] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] <... symlink resumed>) = 0 [pid 7391] close(4) = -1 EBADF (Bad file descriptor) [pid 7389] close(20 [pid 7395] <... futex resumed>) = 1 [pid 7391] close(5 [pid 7393] <... futex resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7395] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7394] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7393] close(3 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] unlink("./308/cgroup.net" [pid 7394] <... symlink resumed>) = 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(21 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=628, si_uid=0, si_status=0, si_utime=0, si_stime=4} --- [pid 3485] <... unlink resumed>) = 0 [pid 7394] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7393] close(4 [pid 7391] close(6 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./313", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7394] <... symlink resumed>) = 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(22 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7394] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7393] close(5 [pid 7391] close(7 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./313", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] lstat("./308/cgroup.cpu", [pid 7394] <... openat resumed>) = 3 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(23 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7394] write(3, "1000", 4 [pid 7393] close(6 [pid 7391] close(8 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] unlink("./308/cgroup.cpu" [pid 7394] <... write resumed>) = 4 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(24 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7394] close(3 [pid 7393] close(7 [pid 7391] close(9 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] getdents64(3, [pid 3485] getdents64(3, [pid 7394] <... close resumed>) = 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(25 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7394] read(200, [pid 7393] close(8 [pid 7391] close(10 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./313/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] close(3 [pid 7394] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(26 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... close resumed>) = 0 [pid 7394] symlink("/dev/binderfs", "./binderfs" [pid 7393] close(9 [pid 7391] close(11 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./313/binderfs", [pid 3485] rmdir("./308" [pid 7394] <... symlink resumed>) = 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(27 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 7394] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] close(10 [pid 7391] close(12 [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./313/binderfs" [pid 3485] mkdir("./309", 0777 [pid 7394] <... futex resumed>) = 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] close(28 [pid 3486] <... unlink resumed>) = 0 [pid 7394] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7391] close(13 [pid 3485] <... mkdir resumed>) = 0 [pid 7394] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7393] close(11 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./313/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7397 attached [pid 7394] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] close(14 [pid 7389] close(29 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7397] set_robust_list(0x5555562645e0, 24 [pid 7394] <... mprotect resumed>) = 0 [pid 7393] close(12 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./313/cgroup", [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 620 [pid 7397] <... set_robust_list resumed>) = 0 [pid 7394] 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 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] close(15 [pid 7389] exit_group(0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7398 attached [pid 7397] chdir("./309" [pid 7393] close(13 [pid 7392] <... futex resumed>) = ? [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7389] <... exit_group resumed>) = ? [pid 3486] unlink("./313/cgroup" [pid 7398] set_robust_list(0x7fa7c8c309e0, 24 [pid 7397] <... chdir resumed>) = 0 [pid 7394] <... clone resumed>, parent_tid=[607], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 607 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7392] +++ exited with 0 +++ [pid 7391] close(16 [pid 7389] +++ exited with 0 +++ [pid 3486] <... unlink resumed>) = 0 [pid 7398] <... set_robust_list resumed>) = 0 [pid 7397] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7394] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7393] close(14 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./313/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7398] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7394] <... futex resumed>) = 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=616, si_uid=0, si_status=0, si_utime=0, si_stime=5} --- [pid 7398] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... prctl resumed>) = 0 [pid 7394] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7393] close(15 [pid 7391] close(17 [pid 3486] lstat("./313/cgroup.net", [pid 3484] restart_syscall(<... resuming interrupted clone ...> [pid 7398] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] setpgid(0, 0 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3484] <... restart_syscall resumed>) = 0 [pid 7398] <... futex resumed>) = 1 [pid 7397] <... setpgid resumed>) = 0 [pid 7394] <... futex resumed>) = 0 [pid 7393] close(16 [pid 7391] close(18 [pid 3486] unlink("./313/cgroup.net" [pid 7398] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7394] close(3 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... symlink resumed>) = 0 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(17 [pid 7391] close(19 [pid 3486] <... unlink resumed>) = 0 [pid 7397] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7394] close(4 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./313/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] umount2("./307", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7397] <... symlink resumed>) = 0 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(18 [pid 7391] close(20 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7397] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7394] close(5 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./313/cgroup.cpu", [pid 3484] openat(AT_FDCWD, "./307", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7397] <... symlink resumed>) = 0 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(19 [pid 7391] close(21 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7397] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7394] close(6 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... openat resumed>) = 3 [pid 7397] <... openat resumed>) = 3 [pid 7391] close(22 [pid 3486] unlink("./313/cgroup.cpu" [pid 7397] write(3, "1000", 4 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(20 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] fstat(3, [pid 7397] <... write resumed>) = 4 [pid 7391] close(23 [pid 7397] close(3 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... close resumed>) = 0 [pid 7391] close(24 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7397] read(200, [pid 7394] close(7 [pid 7393] close(21 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7397] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] close(25 [pid 3486] getdents64(3, [pid 3484] getdents64(3, [pid 7397] symlink("/dev/binderfs", "./binderfs" [pid 7394] close(8 [pid 7393] close(22 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7397] <... symlink resumed>) = 0 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] close(26 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7394] close(9 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] close(3 [pid 7397] <... futex resumed>) = 0 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(23 [pid 7391] close(27 [pid 3484] umount2("./307/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7397] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7394] close(10 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... close resumed>) = 0 [pid 7397] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(24 [pid 7391] close(28 [pid 7397] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7394] close(11 [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... mprotect resumed>) = 0 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] close(29 [pid 7397] 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 7394] close(12 [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] rmdir("./313" [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) ./strace-static-x86_64: Process 7399 attached [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] close(25 [pid 7391] exit_group(0 [pid 3484] lstat("./307/binderfs", [pid 7399] set_robust_list(0x7fa7c8c309e0, 24 [pid 7397] <... clone resumed>, parent_tid=[621], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 621 [pid 7396] <... futex resumed>) = ? [pid 7394] close(13 [pid 7391] <... exit_group resumed>) = ? [pid 7399] <... set_robust_list resumed>) = 0 [pid 7397] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7396] +++ exited with 0 +++ [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7391] +++ exited with 0 +++ [pid 3486] <... rmdir resumed>) = 0 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7399] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7397] <... futex resumed>) = 0 [pid 7394] close(14 [pid 7393] close(26 [pid 3486] mkdir("./314", 0777 [pid 3484] unlink("./307/binderfs" [pid 7399] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 7399] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7394] close(15 [pid 7393] close(27 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3484] umount2("./307/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7400 attached [pid 7399] <... futex resumed>) = 0 [pid 7397] close(3 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=592, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 7399] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(16 [pid 7393] close(28 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 630 [pid 3484] lstat("./307/cgroup", [pid 7400] set_robust_list(0x5555562645e0, 24 [pid 7397] close(4 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] umount2("./295", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7400] <... set_robust_list resumed>) = 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(17 [pid 7393] close(29 [pid 3484] unlink("./307/cgroup" [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7400] chdir("./314" [pid 7397] close(5 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] openat(AT_FDCWD, "./295", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7400] <... chdir resumed>) = 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(18 [pid 7393] exit_group(0 [pid 3484] umount2("./307/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... openat resumed>) = 3 [pid 7400] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7397] close(6 [pid 7395] <... futex resumed>) = ? [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7393] <... exit_group resumed>) = ? [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7400] <... prctl resumed>) = 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7395] +++ exited with 0 +++ [pid 7394] close(19 [pid 3484] lstat("./307/cgroup.net", [pid 3482] fstat(3, [pid 7397] close(7 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7400] setpgid(0, 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(20 [pid 7393] +++ exited with 0 +++ [pid 3484] unlink("./307/cgroup.net" [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7400] <... setpgid resumed>) = 0 [pid 7397] close(8 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] getdents64(3, [pid 7400] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(21 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=636, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7400] <... symlink resumed>) = 0 [pid 3482] umount2("./295/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7400] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7397] close(9 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] restart_syscall(<... resuming interrupted clone ...> [pid 3484] umount2("./307/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7400] <... symlink resumed>) = 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(22 [pid 3487] <... restart_syscall resumed>) = 0 [pid 3482] lstat("./295/binderfs", [pid 7400] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7397] close(10 [pid 7394] <... 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 7400] <... symlink resumed>) = 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] unlink("./295/binderfs" [pid 7400] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7397] close(11 [pid 7394] close(23 [pid 3484] lstat("./307/cgroup.cpu", [pid 3482] <... unlink resumed>) = 0 [pid 7400] <... openat resumed>) = 3 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./317", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] umount2("./295/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7400] write(3, "1000", 4 [pid 7397] close(12 [pid 7394] close(24 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7400] <... write resumed>) = 4 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./317", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] unlink("./307/cgroup.cpu" [pid 3482] lstat("./295/cgroup", [pid 7400] close(3 [pid 7397] close(13 [pid 3487] <... openat resumed>) = 3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7400] <... close resumed>) = 0 [pid 3482] unlink("./295/cgroup" [pid 7400] read(200, [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(25 [pid 3487] fstat(3, [pid 3484] <... unlink resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7400] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7397] close(14 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3482] umount2("./295/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] getdents64(3, [pid 7400] symlink("/dev/binderfs", "./binderfs" [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(26 [pid 3487] getdents64(3, [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7400] <... symlink resumed>) = 0 [pid 7397] close(15 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] lstat("./295/cgroup.net", [pid 7400] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(27 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] close(3 [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7400] <... futex resumed>) = 0 [pid 7397] close(16 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./317/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] unlink("./295/cgroup.net" [pid 7400] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] close(28 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... close resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7400] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3482] umount2("./295/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7400] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7400] <... mprotect resumed>) = 0 [pid 7397] close(17 [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] lstat("./295/cgroup.cpu", [pid 7400] 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("./317/binderfs", [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] rmdir("./307" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7401 attached [pid 7397] close(18 [pid 7394] close(29 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3482] unlink("./295/cgroup.cpu" [pid 7401] set_robust_list(0x7fa7c8c309e0, 24 [pid 7400] <... clone resumed>, parent_tid=[631], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 631 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./317/binderfs" [pid 3484] <... rmdir resumed>) = 0 [pid 3482] <... unlink resumed>) = 0 [pid 7401] <... set_robust_list resumed>) = 0 [pid 7400] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7397] close(19 [pid 3482] getdents64(3, [pid 7401] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7400] <... futex resumed>) = 0 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7401] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7400] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7394] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3484] mkdir("./308", 0777 [pid 3482] close(3 [pid 7401] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7398] <... futex resumed>) = ? [pid 7397] close(20 [pid 7394] <... exit_group resumed>) = ? [pid 3487] umount2("./317/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... close resumed>) = 0 [pid 7401] <... futex resumed>) = 0 [pid 7400] close(3 [pid 3482] rmdir("./295" [pid 7401] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7398] +++ exited with 0 +++ [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 3482] <... rmdir resumed>) = 0 [pid 7400] close(4 [pid 7397] close(21 [pid 7394] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] mkdir("./296", 0777 [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./317/cgroup", [pid 3482] <... mkdir resumed>) = 0 [pid 7400] close(5 [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7403 attached ./strace-static-x86_64: Process 7402 attached [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] close(22 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=606, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 7403] set_robust_list(0x5555562645e0, 24 [pid 7402] set_robust_list(0x5555562645e0, 24 [pid 7400] close(6 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./317/cgroup" [pid 7403] <... set_robust_list resumed>) = 0 [pid 7402] <... set_robust_list resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] close(23 [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 618 [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 594 [pid 7403] chdir("./296" [pid 7402] chdir("./308" [pid 7400] close(7 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7403] <... chdir resumed>) = 0 [pid 7402] <... chdir resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] close(24 [pid 3487] umount2("./317/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... restart_syscall resumed>) = 0 [pid 7403] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7402] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7400] close(8 [pid 7403] <... prctl resumed>) = 0 [pid 7402] <... prctl resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7403] setpgid(0, 0 [pid 7402] setpgid(0, 0 [pid 7400] close(9 [pid 7397] close(25 [pid 7403] <... setpgid resumed>) = 0 [pid 7402] <... setpgid resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./317/cgroup.net", [pid 7403] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7402] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7400] close(10 [pid 7397] close(26 [pid 7403] <... symlink resumed>) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] umount2("./302", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7403] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7402] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7400] close(11 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./317/cgroup.net" [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7403] <... symlink resumed>) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] close(27 [pid 7403] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7402] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 7400] close(12 [pid 3487] <... unlink resumed>) = 0 [pid 7403] <... symlink resumed>) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./317/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] openat(AT_FDCWD, "./302", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7403] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7402] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7400] close(13 [pid 7397] close(28 [pid 7403] <... openat resumed>) = 3 [pid 7402] <... openat resumed>) = 3 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... openat resumed>) = 3 [pid 7403] write(3, "1000", 4 [pid 7402] write(3, "1000", 4 [pid 7400] close(14 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] <... write resumed>) = 4 [pid 7402] <... write resumed>) = 4 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./317/cgroup.cpu", [pid 3483] fstat(3, [pid 7403] close(3 [pid 7402] close(3 [pid 7400] close(15 [pid 7397] close(29 [pid 7403] <... close resumed>) = 0 [pid 7402] <... close resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7403] read(200, [pid 7402] read(200, [pid 7400] close(16 [pid 7397] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./317/cgroup.cpu" [pid 7403] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7402] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7397] exit_group(0 [pid 3483] getdents64(3, [pid 7403] symlink("/dev/binderfs", "./binderfs" [pid 7402] symlink("/dev/binderfs", "./binderfs" [pid 7400] close(17 [pid 7397] <... exit_group resumed>) = ? [pid 3487] <... unlink resumed>) = 0 [pid 7403] <... symlink resumed>) = 0 [pid 7402] <... symlink resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7399] <... futex resumed>) = ? [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7403] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] close(18 [pid 3487] getdents64(3, [pid 3483] umount2("./302/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7403] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7399] +++ exited with 0 +++ [pid 7397] +++ exited with 0 +++ [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7403] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7402] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7400] close(19 [pid 3487] close(3 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7403] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7402] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... close resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=620, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3483] lstat("./302/binderfs", [pid 7403] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7402] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7400] close(20 [pid 3485] umount2("./309", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7403] <... mprotect resumed>) = 0 [pid 7402] <... mprotect resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] rmdir("./317" [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7403] 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 7402] 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 7400] close(21 [pid 3485] openat(AT_FDCWD, "./309", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7404 attached [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7405 attached [pid 7404] set_robust_list(0x7fa7c8c309e0, 24 [pid 7403] <... clone resumed>, parent_tid=[595], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 595 [pid 7402] <... clone resumed>, parent_tid=[619], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 619 [pid 7400] close(22 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] fstat(3, [pid 3483] unlink("./302/binderfs" [pid 7405] set_robust_list(0x7fa7c8c309e0, 24 [pid 7404] <... set_robust_list resumed>) = 0 [pid 7403] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7402] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] mkdir("./318", 0777 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7405] <... set_robust_list resumed>) = 0 [pid 7404] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7403] <... futex resumed>) = 0 [pid 7402] <... futex resumed>) = 0 [pid 7400] close(23 [pid 3485] getdents64(3, [pid 3483] <... unlink resumed>) = 0 [pid 7404] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7402] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] umount2("./302/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7405] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7404] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7400] close(24 [pid 3487] <... mkdir resumed>) = 0 [pid 3485] umount2("./309/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7405] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7404] <... futex resumed>) = 0 [pid 7403] close(3 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7405] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7404] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7400] close(25 [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3485] lstat("./309/binderfs", [pid 3483] lstat("./302/cgroup", [pid 7405] <... futex resumed>) = 1 [pid 7403] close(4 [pid 7402] <... futex resumed>) = 0 [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7405] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(3 [pid 7400] close(26 [pid 3485] unlink("./309/binderfs" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 ./strace-static-x86_64: Process 7406 attached [pid 7403] close(5 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... unlink resumed>) = 0 [pid 3483] unlink("./302/cgroup" [pid 7406] set_robust_list(0x5555562645e0, 24 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(4 [pid 7400] close(27 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 638 [pid 3485] umount2("./309/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] <... unlink resumed>) = 0 [pid 7406] <... set_robust_list resumed>) = 0 [pid 7403] close(6 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] umount2("./302/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7406] chdir("./318" [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(5 [pid 7400] close(28 [pid 3485] lstat("./309/cgroup", [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7406] <... chdir resumed>) = 0 [pid 7403] close(7 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3483] lstat("./302/cgroup.net", [pid 7406] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(6 [pid 7400] close(29 [pid 3485] unlink("./309/cgroup" [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7406] <... prctl resumed>) = 0 [pid 7403] close(8 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7400] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] unlink("./302/cgroup.net" [pid 7406] setpgid(0, 0 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(7 [pid 7400] exit_group(0 [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7406] <... setpgid resumed>) = 0 [pid 7403] close(9 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7401] <... futex resumed>) = ? [pid 7400] <... exit_group resumed>) = ? [pid 3485] umount2("./309/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] umount2("./302/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7406] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(8 [pid 7401] +++ exited with 0 +++ [pid 7400] +++ exited with 0 +++ [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] lstat("./302/cgroup.cpu", [pid 7406] <... symlink resumed>) = 0 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7406] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7403] close(10 [pid 7402] close(9 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=630, si_uid=0, si_status=0, si_utime=0, si_stime=3} --- [pid 3485] lstat("./309/cgroup.net", [pid 3483] unlink("./302/cgroup.cpu" [pid 7406] <... symlink resumed>) = 0 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... unlink resumed>) = 0 [pid 7406] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7403] close(11 [pid 7402] close(10 [pid 3485] unlink("./309/cgroup.net" [pid 3483] getdents64(3, 0x555556265620 /* 0 entries */, 32768) = 0 [pid 7406] <... symlink resumed>) = 0 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./314", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] close(3 [pid 7406] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7403] close(12 [pid 7402] close(11 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... unlink resumed>) = 0 [pid 3483] <... close resumed>) = 0 [pid 7406] <... openat resumed>) = 3 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] openat(AT_FDCWD, "./314", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] umount2("./309/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] rmdir("./302" [pid 7406] write(3, "1000", 4 [pid 7403] close(13 [pid 7402] close(12 [pid 3486] <... openat resumed>) = 3 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... rmdir resumed>) = 0 [pid 7406] <... write resumed>) = 4 [pid 3483] mkdir("./303", 0777 [pid 7406] close(3 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] fstat(3, [pid 3485] lstat("./309/cgroup.cpu", [pid 3483] <... mkdir resumed>) = 0 [pid 7406] <... close resumed>) = 0 [pid 7403] close(14 [pid 7402] close(13 [pid 3483] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7406] read(200, [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 ./strace-static-x86_64: Process 7407 attached [pid 7406] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7403] close(15 [pid 7402] close(14 [pid 3486] getdents64(3, [pid 3485] unlink("./309/cgroup.cpu" [pid 3483] <... clone resumed>, child_tidptr=0x5555562645d0) = 608 [pid 7407] set_robust_list(0x5555562645e0, 24 [pid 7406] symlink("/dev/binderfs", "./binderfs" [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... set_robust_list resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7407] chdir("./303" [pid 7406] <... symlink resumed>) = 0 [pid 7403] close(16 [pid 7402] close(15 [pid 3486] umount2("./314/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... unlink resumed>) = 0 [pid 7407] <... chdir resumed>) = 0 [pid 7406] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] getdents64(3, [pid 7407] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7406] <... futex resumed>) = 0 [pid 7403] close(17 [pid 7402] close(16 [pid 3486] lstat("./314/binderfs", [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7407] <... prctl resumed>) = 0 [pid 7406] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] setpgid(0, 0 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] close(3 [pid 7407] <... setpgid resumed>) = 0 [pid 7403] close(18 [pid 7407] symlink("/syzcgroup/unified/syz1", "./cgroup" [pid 7406] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7402] close(17 [pid 3486] unlink("./314/binderfs" [pid 3485] <... close resumed>) = 0 [pid 7407] <... symlink resumed>) = 0 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] symlink("/syzcgroup/cpu/syz1", "./cgroup.cpu" [pid 7406] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... symlink resumed>) = 0 [pid 7406] <... mprotect resumed>) = 0 [pid 7403] close(19 [pid 7402] close(18 [pid 3486] <... unlink resumed>) = 0 [pid 3485] rmdir("./309" [pid 7407] symlink("/syzcgroup/net/syz1", "./cgroup.net" [pid 7406] 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 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] umount2("./314/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] <... rmdir resumed>) = 0 [pid 7407] <... symlink resumed>) = 0 [pid 7403] close(20 [pid 3485] mkdir("./310", 0777./strace-static-x86_64: Process 7408 attached [pid 7407] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(19 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... mkdir resumed>) = 0 [pid 7408] set_robust_list(0x7fa7c8c309e0, 24 [pid 7407] <... openat resumed>) = 3 [pid 7406] <... clone resumed>, parent_tid=[639], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 639 [pid 7403] close(21 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] lstat("./314/cgroup", [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7409 attached [pid 7408] <... set_robust_list resumed>) = 0 [pid 7407] write(3, "1000", 4 [pid 7406] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(20 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7409] set_robust_list(0x5555562645e0, 24 [pid 7408] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7407] <... write resumed>) = 4 [pid 7406] <... futex resumed>) = 0 [pid 7403] close(22 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] unlink("./314/cgroup" [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 622 [pid 7409] <... set_robust_list resumed>) = 0 [pid 7408] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] close(3 [pid 7406] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(21 [pid 7409] chdir("./310" [pid 7408] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] <... close resumed>) = 0 [pid 7406] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7403] close(23 [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7409] <... chdir resumed>) = 0 [pid 7408] <... futex resumed>) = 0 [pid 7407] read(200, [pid 7406] close(3 [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] close(22 [pid 3486] umount2("./314/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7409] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7408] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7403] close(24 [pid 7409] <... prctl resumed>) = 0 [pid 7407] symlink("/dev/binderfs", "./binderfs" [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] setpgid(0, 0 [pid 7407] <... symlink resumed>) = 0 [pid 7403] close(25 [pid 7409] <... setpgid resumed>) = 0 [pid 7407] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7409] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7407] <... futex resumed>) = 0 [pid 7406] close(4 [pid 7403] close(26 [pid 7402] close(23 [pid 3486] lstat("./314/cgroup.net", [pid 7409] <... symlink resumed>) = 0 [pid 7407] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7409] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7407] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7406] close(5 [pid 7403] close(27 [pid 7402] close(24 [pid 3486] unlink("./314/cgroup.net" [pid 7409] <... symlink resumed>) = 0 [pid 7407] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] symlink("/syzcgroup/net/syz4", "./cgroup.net" [pid 7407] <... mprotect resumed>) = 0 [pid 7406] close(6 [pid 7403] close(28 [pid 7402] close(25 [pid 3486] <... unlink resumed>) = 0 [pid 7409] <... symlink resumed>) = 0 [pid 7407] 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 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) ./strace-static-x86_64: Process 7410 attached [pid 7409] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7406] close(7 [pid 7403] close(29 [pid 7402] close(26 [pid 3486] umount2("./314/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7410] set_robust_list(0x7fa7c8c309e0, 24 [pid 7409] <... openat resumed>) = 3 [pid 7407] <... clone resumed>, parent_tid=[609], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 609 [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7403] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7410] <... set_robust_list resumed>) = 0 [pid 7409] write(3, "1000", 4 [pid 7406] close(8 [pid 7403] exit_group(0 [pid 7402] close(27 [pid 3486] lstat("./314/cgroup.cpu", [pid 7410] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7409] <... write resumed>) = 4 [pid 7407] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7406] close(9 [pid 7404] <... futex resumed>) = ? [pid 7403] <... exit_group resumed>) = ? [pid 7402] close(28 [pid 3486] unlink("./314/cgroup.cpu" [pid 7410] <... futex resumed>) = 0 [pid 7409] close(3 [pid 7407] <... futex resumed>) = 1 [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7404] +++ exited with 0 +++ [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... unlink resumed>) = 0 [pid 7410] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7409] <... close resumed>) = 0 [pid 7407] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7406] close(10 [pid 7403] +++ exited with 0 +++ [pid 7402] close(29 [pid 3486] getdents64(3, [pid 7410] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] read(200, [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7402] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=594, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 7410] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7406] close(11 [pid 7402] exit_group(0 [pid 3486] close(3 [pid 7410] <... futex resumed>) = 1 [pid 7409] symlink("/dev/binderfs", "./binderfs" [pid 7407] <... futex resumed>) = 0 [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7405] <... futex resumed>) = ? [pid 7402] <... exit_group resumed>) = ? [pid 3486] <... close resumed>) = 0 [pid 7410] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7407] close(3 [pid 7406] close(12 [pid 3486] rmdir("./314" [pid 7409] <... symlink resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... rmdir resumed>) = 0 [pid 7407] close(4 [pid 7406] close(13 [pid 7405] +++ exited with 0 +++ [pid 7402] +++ exited with 0 +++ [pid 7409] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] mkdir("./315", 0777 [pid 7409] <... futex resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3486] <... mkdir resumed>) = 0 [pid 7409] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7407] close(5 [pid 7406] close(14 [pid 3486] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3482] umount2("./296", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7411 attached [pid 7409] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] set_robust_list(0x5555562645e0, 24 [pid 7409] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7407] close(6 [pid 7406] close(15 [pid 3486] <... clone resumed>, child_tidptr=0x5555562645d0) = 632 [pid 3484] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=618, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7411] <... set_robust_list resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] chdir("./315" [pid 7407] close(7 [pid 7406] close(16 [pid 7411] <... chdir resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7407] close(8 [pid 7406] close(17 [pid 7411] <... prctl resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] setpgid(0, 0 [pid 7409] <... mprotect resumed>) = 0 [pid 7407] close(9 [pid 7406] close(18 [pid 3484] umount2("./308", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] openat(AT_FDCWD, "./296", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 7411] <... setpgid resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] symlink("/syzcgroup/unified/syz2", "./cgroup" [pid 7407] close(10 [pid 7406] close(19 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] <... openat resumed>) = 3 [pid 7411] <... symlink resumed>) = 0 [pid 7409] 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 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] openat(AT_FDCWD, "./308", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY./strace-static-x86_64: Process 7412 attached [pid 7411] symlink("/syzcgroup/cpu/syz2", "./cgroup.cpu" [pid 7407] close(11 [pid 7406] close(20 [pid 3482] fstat(3, [pid 7412] set_robust_list(0x7fa7c8c309e0, 24 [pid 7411] <... symlink resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... openat resumed>) = 3 [pid 7412] <... set_robust_list resumed>) = 0 [pid 7411] symlink("/syzcgroup/net/syz2", "./cgroup.net" [pid 7409] <... clone resumed>, parent_tid=[623], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 623 [pid 7407] close(12 [pid 7406] close(21 [pid 3482] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7412] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] <... symlink resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] fstat(3, [pid 7411] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7409] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7407] close(13 [pid 7406] close(22 [pid 3482] getdents64(3, [pid 7411] <... openat resumed>) = 3 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 7411] write(3, "1000", 4 [pid 7407] close(14 [pid 7406] close(23 [pid 7411] <... write resumed>) = 4 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] close(3 [pid 7407] close(15 [pid 7406] close(24 [pid 3484] getdents64(3, [pid 7412] <... futex resumed>) = 0 [pid 7411] <... close resumed>) = 0 [pid 7409] <... futex resumed>) = 1 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7412] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7411] read(200, [pid 7409] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7407] close(16 [pid 7406] close(25 [pid 3484] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3482] umount2("./296/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7412] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./308/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7412] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7411] symlink("/dev/binderfs", "./binderfs" [pid 7407] close(17 [pid 7406] close(26 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7412] <... futex resumed>) = 1 [pid 7411] <... symlink resumed>) = 0 [pid 7409] <... futex resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] lstat("./308/binderfs", [pid 3482] lstat("./296/binderfs", [pid 7412] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] close(3 [pid 7407] close(18 [pid 7406] close(27 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7411] <... futex resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7411] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7407] close(19 [pid 7406] close(28 [pid 7411] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] unlink("./308/binderfs" [pid 3482] unlink("./296/binderfs" [pid 7411] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7409] close(4 [pid 7407] close(20 [pid 7406] close(29 [pid 7411] <... mprotect resumed>) = 0 [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] 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 7407] close(21 [pid 7406] exit_group(0 [pid 3484] <... unlink resumed>) = 0 ./strace-static-x86_64: Process 7413 attached [pid 3484] umount2("./308/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7413] set_robust_list(0x7fa7c8c309e0, 24 [pid 7411] <... clone resumed>, parent_tid=[633], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 633 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./296/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7413] <... set_robust_list resumed>) = 0 [pid 7411] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7408] <... futex resumed>) = ? [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] <... exit_group resumed>) = ? [pid 3484] lstat("./308/cgroup", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7413] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7411] <... futex resumed>) = 0 [pid 7409] close(5 [pid 7408] +++ exited with 0 +++ [pid 7407] close(22 [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 3482] lstat("./296/cgroup", [pid 7413] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7406] +++ exited with 0 +++ [pid 3484] unlink("./308/cgroup" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7413] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7409] close(6 [pid 7407] close(23 [pid 3487] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=638, si_uid=0, si_status=0, si_utime=0, si_stime=0} --- [pid 7413] <... futex resumed>) = 1 [pid 7411] <... futex resumed>) = 0 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./296/cgroup" [pid 7413] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7411] close(3 [pid 7409] close(7 [pid 7407] close(24 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] umount2("./308/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7411] close(4 [pid 7409] close(8 [pid 7407] close(25 [pid 3482] <... unlink resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./318", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./296/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] lstat("./308/cgroup.net", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7411] close(5 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] openat(AT_FDCWD, "./318", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./296/cgroup.net", [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(9 [pid 7407] close(26 [pid 3487] <... openat resumed>) = 3 [pid 3484] unlink("./308/cgroup.net" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7411] close(6 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] fstat(3, [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(10 [pid 7407] close(27 [pid 3487] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./296/cgroup.net" [pid 7411] close(7 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 3484] umount2("./308/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] <... unlink resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(11 [pid 7407] close(28 [pid 3487] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3484] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3482] umount2("./296/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7411] close(8 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./318/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] lstat("./308/cgroup.cpu", [pid 3482] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(12 [pid 7407] close(29 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3482] lstat("./296/cgroup.cpu", [pid 7411] close(9 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./318/binderfs", [pid 3484] unlink("./308/cgroup.cpu" [pid 3482] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(13 [pid 7407] exit_group(0 [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3484] <... unlink resumed>) = 0 [pid 3482] unlink("./296/cgroup.cpu" [pid 7411] close(10 [pid 7410] <... futex resumed>) = ? [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7407] <... exit_group resumed>) = ? [pid 3487] unlink("./318/binderfs" [pid 3484] getdents64(3, [pid 3482] <... unlink resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7410] +++ exited with 0 +++ [pid 7409] close(14 [pid 7407] +++ exited with 0 +++ [pid 3487] <... unlink resumed>) = 0 [pid 3484] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3482] getdents64(3, [pid 7411] close(11 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] umount2("./318/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] close(3 [pid 3482] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(15 [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... close resumed>) = 0 [pid 3483] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=608, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3482] close(3 [pid 7411] close(12 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./318/cgroup", [pid 3484] rmdir("./308" [pid 3483] restart_syscall(<... resuming interrupted clone ...> [pid 3482] <... close resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(16 [pid 7411] close(13 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(17 [pid 7411] close(14 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(18 [pid 7411] close(15 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(19 [pid 7411] close(16 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(20 [pid 3487] unlink("./318/cgroup" [pid 3484] <... rmdir resumed>) = 0 [pid 3483] <... restart_syscall resumed>) = 0 [pid 3482] rmdir("./296" [pid 7411] close(17 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(21 [pid 7411] close(18 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... unlink resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(22 [pid 3487] umount2("./318/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3484] mkdir("./309", 0777 [pid 3482] <... rmdir resumed>) = 0 [pid 7411] close(19 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(23 [pid 7411] close(20 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(24 [pid 7411] close(21 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3484] <... mkdir resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(25 [pid 3487] lstat("./318/cgroup.net", [pid 3483] umount2("./303", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3482] mkdir("./297", 0777 [pid 7411] close(22 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(26 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7411] close(23 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(27 [pid 7411] close(24 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(28 [pid 3487] unlink("./318/cgroup.net" [pid 3484] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3483] openat(AT_FDCWD, "./303", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3482] <... mkdir resumed>) = 0 [pid 7411] close(25 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] close(29 [pid 7411] close(26 [pid 7409] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7409] exit_group(0 [pid 3487] <... unlink resumed>) = 0 [pid 3483] <... openat resumed>) = 3 ./strace-static-x86_64: Process 7414 attached [pid 7412] <... futex resumed>) = ? [pid 7411] close(27 [pid 7409] <... exit_group resumed>) = ? [pid 3487] umount2("./318/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] fstat(3, [pid 3482] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 7414] set_robust_list(0x5555562645e0, 24 [pid 7412] +++ exited with 0 +++ [pid 3487] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3484] <... clone resumed>, child_tidptr=0x5555562645d0) = 620 [pid 3483] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 ./strace-static-x86_64: Process 7415 attached [pid 7414] <... set_robust_list resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] lstat("./318/cgroup.cpu", [pid 3483] getdents64(3, [pid 3482] <... clone resumed>, child_tidptr=0x5555562645d0) = 596 [pid 7415] set_robust_list(0x5555562645e0, 24 [pid 7414] chdir("./309" [pid 7411] close(28 [pid 7409] +++ exited with 0 +++ [pid 3487] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 3483] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 7415] <... set_robust_list resumed>) = 0 [pid 7414] <... chdir resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] unlink("./318/cgroup.cpu" [pid 3483] umount2("./303/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7415] chdir("./297" [pid 7414] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7411] close(29 [pid 3487] <... unlink resumed>) = 0 [pid 3485] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=622, si_uid=0, si_status=0, si_utime=0, si_stime=2} --- [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7415] <... chdir resumed>) = 0 [pid 7414] <... prctl resumed>) = 0 [pid 7411] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 3487] getdents64(3, [pid 7415] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7414] setpgid(0, 0 [pid 7411] exit_group(0 [pid 3485] umount2("./310", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3483] lstat("./303/binderfs", [pid 7415] <... prctl resumed>) = 0 [pid 7414] <... setpgid resumed>) = 0 [pid 7413] <... futex resumed>) = ? [pid 7411] <... exit_group resumed>) = ? [pid 3487] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 7415] setpgid(0, 0 [pid 7414] symlink("/syzcgroup/unified/syz3", "./cgroup" [pid 7413] +++ exited with 0 +++ [pid 3487] close(3 [pid 3485] openat(AT_FDCWD, "./310", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3483] unlink("./303/binderfs" [pid 7415] <... setpgid resumed>) = 0 [pid 7414] <... symlink resumed>) = 0 [pid 3487] <... close resumed>) = 0 [pid 3485] <... openat resumed>) = 3 [pid 3483] <... unlink resumed>) = 0 [pid 7415] symlink("/syzcgroup/unified/syz0", "./cgroup" [pid 7414] symlink("/syzcgroup/cpu/syz3", "./cgroup.cpu" [pid 7411] +++ exited with 0 +++ [pid 3487] rmdir("./318" [pid 3485] fstat(3, [pid 3483] umount2("./303/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7415] <... symlink resumed>) = 0 [pid 7414] <... symlink resumed>) = 0 [pid 3487] <... rmdir resumed>) = 0 [pid 3485] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3483] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7415] symlink("/syzcgroup/cpu/syz0", "./cgroup.cpu" [pid 7414] symlink("/syzcgroup/net/syz3", "./cgroup.net" [pid 3487] mkdir("./319", 0777 [pid 3485] getdents64(3, [pid 7415] <... symlink resumed>) = 0 [pid 7414] <... symlink resumed>) = 0 [pid 3487] <... mkdir resumed>) = 0 [pid 3486] --- SIGCHLD {si_signo=SIGCHLD, si_code=CLD_EXITED, si_pid=632, si_uid=0, si_status=0, si_utime=0, si_stime=1} --- [pid 3485] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3483] lstat("./303/cgroup", [pid 7415] symlink("/syzcgroup/net/syz0", "./cgroup.net" [pid 7414] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 3487] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD [pid 3486] umount2("./315", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] umount2("./310/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW./strace-static-x86_64: Process 7416 attached [pid 7415] <... symlink resumed>) = 0 [pid 7414] <... openat resumed>) = 3 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3483] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7416] set_robust_list(0x5555562645e0, 24 [pid 7414] write(3, "1000", 4 [pid 3487] <... clone resumed>, child_tidptr=0x5555562645d0) = 640 [pid 3485] lstat("./310/binderfs", [pid 7416] <... set_robust_list resumed>) = 0 [pid 7415] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7414] <... write resumed>) = 4 [pid 3486] openat(AT_FDCWD, "./315", O_RDONLY|O_NONBLOCK|O_CLOEXEC|O_DIRECTORY [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3483] unlink("./303/cgroup" [pid 7416] chdir("./319" [pid 7414] close(3 [pid 3485] unlink("./310/binderfs" [pid 7416] <... chdir resumed>) = 0 [pid 7414] <... close resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7416] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7414] read(200, [pid 3485] umount2("./310/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7416] <... prctl resumed>) = 0 [pid 7414] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7416] setpgid(0, 0 [pid 7414] symlink("/dev/binderfs", "./binderfs" [pid 3485] lstat("./310/cgroup", [pid 7416] <... setpgid resumed>) = 0 [pid 7414] <... symlink resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7416] symlink("/syzcgroup/unified/syz5", "./cgroup" [pid 7414] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] unlink("./310/cgroup" [pid 7416] <... symlink resumed>) = 0 [pid 7414] <... futex resumed>) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7416] symlink("/syzcgroup/cpu/syz5", "./cgroup.cpu" [pid 7414] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3485] umount2("./310/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7416] <... symlink resumed>) = 0 [pid 7414] <... mmap resumed>) = 0x7fa7c8c10000 [ 319.124920][ T27] ===================================================== [ 319.132118][ T27] BUG: KMSAN: uninit-value in preempt_count_add+0x1b5/0x320 [ 319.139472][ T27] preempt_count_add+0x1b5/0x320 [ 319.144475][ T27] sysvec_reschedule_ipi+0x1c/0x110 [ 319.149763][ T27] asm_sysvec_reschedule_ipi+0x12/0x20 [ 319.155319][ T27] kmsan_get_metadata+0x1d7/0x220 [ 319.160384][ T27] kmsan_get_shadow_origin_ptr+0x86/0xf0 [ 319.166076][ T27] __msan_metadata_ptr_for_load_4+0x20/0x30 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7416] symlink("/syzcgroup/net/syz5", "./cgroup.net" [pid 7414] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3485] lstat("./310/cgroup.net", [pid 7416] <... symlink resumed>) = 0 [pid 7414] <... mprotect resumed>) = 0 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7416] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC [pid 7414] 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("./310/cgroup.net" [pid 7416] <... openat resumed>) = 3 [pid 3485] <... unlink resumed>) = 0 [pid 7416] write(3, "1000", 4 [pid 7414] <... clone resumed>, parent_tid=[621], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 621 [pid 3485] umount2("./310/cgroup.cpu", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7416] <... write resumed>) = 4 [pid 7414] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3485] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7416] close(3 [pid 7414] <... futex resumed>) = 0 [pid 3485] lstat("./310/cgroup.cpu", [pid 7416] <... close resumed>) = 0 [pid 7415] <... openat resumed>) = 3 [pid 7414] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... openat resumed>) = 3 [pid 3485] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7416] read(200, [pid 7415] write(3, "1000", 4 [pid 3486] fstat(3, [pid 3485] unlink("./310/cgroup.cpu" [pid 7416] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... write resumed>) = 4 [ 319.172032][ T27] ip_fast_csum+0x2b0/0x5b0 [ 319.176641][ T27] nsim_dev_trap_report_work+0x8e5/0x11a0 [ 319.182469][ T27] process_one_work+0xdb6/0x1820 [ 319.187488][ T27] worker_thread+0x10d0/0x2240 [ 319.192287][ T27] kthread+0x3c7/0x500 [ 319.196397][ T27] ret_from_fork+0x1f/0x30 [ 319.200880][ T27] [ 319.203209][ T27] Uninit was created at: [ 319.207606][ T27] __kmalloc_node_track_caller+0xde3/0x14f0 [ 319.213548][ T27] __alloc_skb+0x545/0xf90 [ 319.218085][ T27] nsim_dev_trap_report_work+0x3da/0x11a0 [pid 3486] <... fstat resumed>{st_mode=S_IFDIR|0700, st_size=4096, ...}) = 0 [pid 3485] <... unlink resumed>) = 0 [pid 7416] symlink("/dev/binderfs", "./binderfs" [pid 7415] close(3 [pid 3486] getdents64(3, [pid 3485] getdents64(3, [pid 7416] <... symlink resumed>) = 0 [pid 7415] <... close resumed>) = 0 [pid 3486] <... getdents64 resumed>0x555556265620 /* 6 entries */, 32768) = 176 [pid 3485] <... getdents64 resumed>0x555556265620 /* 0 entries */, 32768) = 0 [pid 7416] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] read(200, [pid 3486] umount2("./315/binderfs", MNT_DETACH|UMOUNT_NOFOLLOW [pid 3485] close(3 [pid 7416] <... futex resumed>) = 0 [pid 7415] <... read resumed>0x7fff9ab7be50, 1000) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 3485] <... close resumed>) = 0 [pid 7416] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 7415] symlink("/dev/binderfs", "./binderfs" [pid 3486] lstat("./315/binderfs", [pid 3485] rmdir("./310" [pid 7416] <... mmap resumed>) = 0x7fa7c8c10000 [pid 7415] <... symlink resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=13, ...}) = 0 [pid 3485] <... rmdir resumed>) = 0 [pid 7416] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 7415] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] unlink("./315/binderfs" [pid 3485] mkdir("./311", 0777 [pid 7416] <... mprotect resumed>) = 0 [pid 7415] <... futex resumed>) = 0 [pid 7414] <... futex resumed>) = -1 ETIMEDOUT (Connection timed out) [pid 3486] <... unlink resumed>) = 0 [pid 3485] <... mkdir resumed>) = 0 [pid 7416] 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 7415] mmap(NULL, 135168, PROT_NONE, MAP_PRIVATE|MAP_ANONYMOUS|MAP_STACK, -1, 0 [pid 3486] umount2("./315/cgroup", MNT_DETACH|UMOUNT_NOFOLLOW [ 319.223844][ T27] process_one_work+0xdb6/0x1820 [ 319.228821][ T27] worker_thread+0x10d0/0x2240 [ 319.233618][ T27] kthread+0x3c7/0x500 [ 319.237723][ T27] ret_from_fork+0x1f/0x30 [ 319.242179][ T27] [ 319.244509][ T27] CPU: 0 PID: 27 Comm: kworker/0:1 Not tainted 5.18.0-rc4-syzkaller #0 [ 319.252783][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.262867][ T27] Workqueue: events nsim_dev_trap_report_work [pid 3485] clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 7419 attached ./strace-static-x86_64: Process 7418 attached [pid 7415] <... mmap resumed>) = 0x7fa7c8c10000 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7419] set_robust_list(0x5555562645e0, 24 [pid 7418] set_robust_list(0x7fa7c8c309e0, 24 [pid 7416] <... clone resumed>, parent_tid=[641], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 641 [pid 7415] mprotect(0x7fa7c8c11000, 131072, PROT_READ|PROT_WRITE [pid 3486] lstat("./315/cgroup", [pid 3485] <... clone resumed>, child_tidptr=0x5555562645d0) = 624 [pid 7419] <... set_robust_list resumed>) = 0 [pid 7418] <... set_robust_list resumed>) = 0 [pid 7416] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 7415] <... mprotect resumed>) = 0 [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=23, ...}) = 0 [pid 7419] chdir("./311" [pid 7418] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7416] <... futex resumed>) = 0 [pid 7415] 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] unlink("./315/cgroup"./strace-static-x86_64: Process 7420 attached [pid 7419] <... chdir resumed>) = 0 [pid 7418] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7416] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... unlink resumed>) = 0 [pid 7420] set_robust_list(0x7fa7c8c309e0, 24 [pid 7419] prctl(PR_SET_PDEATHSIG, SIGKILL [pid 7418] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7416] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 7415] <... clone resumed>, parent_tid=[597], tls=0x7fa7c8c30700, child_tidptr=0x7fa7c8c309d0) = 597 [ 319.268988][ T27] ===================================================== [ 319.275927][ T27] Disabling lock debugging due to kernel taint [ 319.282086][ T27] Kernel panic - not syncing: kmsan.panic set ... [ 319.288607][ T27] CPU: 0 PID: 27 Comm: kworker/0:1 Tainted: G B 5.18.0-rc4-syzkaller #0 [ 319.298270][ T27] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 319.308352][ T27] Workqueue: events nsim_dev_trap_report_work [ 319.314477][ T27] Call Trace: [ 319.317773][ T27] [ 319.320715][ T27] dump_stack_lvl+0x1ff/0x28e [pid 3486] umount2("./315/cgroup.net", MNT_DETACH|UMOUNT_NOFOLLOW [pid 7420] <... set_robust_list resumed>) = 0 [pid 7419] <... prctl resumed>) = 0 [pid 7418] <... futex resumed>) = 0 [pid 7416] close(3 [pid 7415] futex(0x7fa7c8d0d4a8, FUTEX_WAKE_PRIVATE, 1000000 [pid 3486] <... umount2 resumed>) = -1 EINVAL (Invalid argument) [pid 7420] ioctl(-1, LOOP_CTL_ADD, 0 [pid 7419] setpgid(0, 0 [pid 7418] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7415] <... futex resumed>) = 0 [pid 3486] lstat("./315/cgroup.net", [pid 7420] <... ioctl resumed>) = -1 EBADF (Bad file descriptor) [pid 7419] <... setpgid resumed>) = 0 [pid 7416] close(4 [pid 7415] futex(0x7fa7c8d0d4ac, FUTEX_WAIT_PRIVATE, 0, {tv_sec=0, tv_nsec=50000000} [pid 3486] <... lstat resumed>{st_mode=S_IFLNK|0777, st_size=19, ...}) = 0 [pid 7420] futex(0x7fa7c8d0d4ac, FUTEX_WAKE_PRIVATE, 1000000 [pid 7419] symlink("/syzcgroup/unified/syz4", "./cgroup" [pid 7416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7415] <... futex resumed>) = -1 EAGAIN (Resource temporarily unavailable) [pid 3486] unlink("./315/cgroup.net" [pid 7420] <... futex resumed>) = 0 [pid 7419] <... symlink resumed>) = 0 [pid 7416] close(5 [pid 7415] close(3 [pid 3486] <... unlink resumed>) = 0 [pid 7420] futex(0x7fa7c8d0d4a8, FUTEX_WAIT_PRIVATE, 0, NULL [pid 7419] symlink("/syzcgroup/cpu/syz4", "./cgroup.cpu" [pid 7416] <... close resumed>) = -1 EBADF (Bad file descriptor) [pid 7415] <... close resumed>) = -1 EBADF (Bad file descriptor) [ 319.325441][ T27] dump_stack+0x25/0x28 [ 319.329645][ T27] panic+0x4fe/0xc73 [ 319.333649][ T27] ? add_taint+0x181/0x210 [ 319.338125][ T27] ? console_unlock+0x1c00/0x2130 [ 319.343226][ T27] kmsan_report+0x2cd/0x2d0 [ 319.347776][ T27] ? __msan_warning+0x94/0x110 [ 319.352684][ T27] ? preempt_count_add+0x1b5/0x320 [ 319.357847][ T27] ? sysvec_reschedule_ipi+0x1c/0x110 [ 319.363280][ T27] ? asm_sysvec_reschedule_ipi+0x12/0x20 [ 319.368958][ T27] ? kmsan_get_metadata+0x1d7/0x220 [ 319.374195][ T27] ? kmsan_get_shadow_origin_ptr+0x86/0xf0 [ 319.380044][ T27] ? __msan_metadata_ptr_for_load_4+0x20/0x30 [ 319.386171][ T27] ? ip_fast_csum+0x2b0/0x5b0 [ 319.390888][ T27] ? nsim_dev_trap_report_work+0x8e5/0x11a0 [ 319.396815][ T27] ? process_one_work+0xdb6/0x1820 [ 319.401960][ T27] ? worker_thread+0x10d0/0x2240 [ 319.406937][ T27] ? kthread+0x3c7/0x500 [ 319.411230][ T27] ? ret_from_fork+0x1f/0x30 [ 319.415864][ T27] ? kmsan_get_metadata+0x33/0x220 [ 319.421097][ T27] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 319.426949][ T27] ? kmsan_get_metadata+0x33/0x220 [ 319.432100][ T27] ? kmsan_internal_memmove_metadata+0x96/0x350 [ 319.438405][ T27] ? kmsan_get_metadata+0x33/0x220 [ 319.443554][ T27] ? kmsan_internal_set_shadow_origin+0x62/0xe0 [ 319.449861][ T27] ? debug_smp_processor_id+0x17/0x20 [ 319.455296][ T27] ? kmsan_get_metadata+0x33/0x220 [ 319.460466][ T27] ? kmsan_get_shadow_origin_ptr+0x9b/0xf0 [ 319.466320][ T27] __msan_warning+0x94/0x110 [ 319.470973][ T27] preempt_count_add+0x1b5/0x320 [ 319.475990][ T27] sysvec_reschedule_ipi+0x1c/0x110 [ 319.481251][ T27] asm_sysvec_reschedule_ipi+0x12/0x20 [ 319.486767][ T27] RIP: 0010:kmsan_get_metadata+0x1d7/0x220 [ 319.492623][ T27] Code: 54 32 48 48 85 d2 74 54 81 e3 ff 0f 00 00 45 84 f6 48 0f 45 ca 48 01 c1 48 c1 e9 04 48 ba 00 d0 cc cc cc cc cc cc 48 0f af d1 <48> 09 da 48 b8 00 00 00 00 80 88 ff ff 48 01 d0 eb 22 0f 0b c6 05 [ 319.512274][ T27] RSP: 0018:ffff888102747a68 EFLAGS: 00000a07 [ 319.518377][ T27] RAX: 0000160000000000 RBX: 0000000000000014 RCX: 00000000005c12e1 [ 319.526390][ T27] RDX: 0000000126a2d000 RSI: 0000000005c3ae10 RDI: ffffea000000000f [ 319.534392][ T27] RBP: ffff888102747a78 R08: ffffffff8698dc43 R09: ffffffff8cdacdf7 [ 319.542394][ T27] R10: 0000000000000003 R11: ffff88810274a0c0 R12: 0000000000000001 [ 319.550395][ T27] R13: ffff88812722d014 R14: 0000000000000000 R15: 0000000000000000 [ 319.558398][ T27] ? in_aton+0x6c7/0x870 [ 319.562727][ T27] ? ip_fast_csum+0x313/0x5b0 [ 319.567449][ T27] ? kmsan_get_metadata+0x33/0x220 [ 319.572604][ T27] kmsan_get_shadow_origin_ptr+0x86/0xf0 [ 319.578278][ T27] __msan_metadata_ptr_for_load_4+0x20/0x30 [ 319.584234][ T27] ip_fast_csum+0x2b0/0x5b0 [ 319.588793][ T27] nsim_dev_trap_report_work+0x8e5/0x11a0 [ 319.594582][ T27] ? nsim_dev_rate_parent_read+0x1b0/0x1b0 [ 319.600433][ T27] process_one_work+0xdb6/0x1820 [ 319.605451][ T27] worker_thread+0x10d0/0x2240 [ 319.610280][ T27] kthread+0x3c7/0x500 [ 319.614395][ T27] ? worker_clr_flags+0x3a0/0x3a0 [ 319.619469][ T27] ? kthread_blkcg+0x120/0x120 [ 319.624288][ T27] ret_from_fork+0x1f/0x30 [ 319.628759][ T27] [ 319.631959][ T27] Kernel Offset: disabled [ 319.636286][ T27] Rebooting in 86400 seconds..